/* style.css - SnapSignFit UI Design System (conforms to DESIGN.md) */

/* 1. Tokens */
:root {
  --bg: #FAFAFA;
  --surface: #FFFFFF;
  --surface-2: #F4F4F5;
  --border: #E2E8F0;
  --border-strong: #CBD5E1;
  --text: #0F172A;
  --muted: #475569;
  --accent: #2563EB;
  --accent-hover: #1D4ED8;
  --accent-fg: #FFFFFF;
  --primary: var(--accent);
  --primary-hover: var(--accent-hover);
  --ok: #15803D;
  --warn: #B45309;
  --danger: #B91C1C;
  --focus: 0 0 0 2px var(--bg), 0 0 0 4px var(--accent);
  --r-sm: 6px;
  --r-md: 8px;
  --r-lg: 12px;
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 24px;
  --s-6: 32px;
  --s-7: 48px;
  --s-8: 64px;
  --font: 'Plus Jakarta Sans', 'Hind Siliguri', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --ease: cubic-bezier(.2, 0, 0, 1);
  --t: 140ms;
}


:root[data-theme="dark"] {
  --bg: #0B0B0C;
  --surface: #141416;
  --surface-2: #1B1B1E;
  --border: #26262A;
  --border-strong: #334155;
  --text: #F8FAFC;
  --muted: #94A3B8;
  --accent: #6366F1;
  --accent-hover: #818CF8;
  --accent-fg: #0B0B0C;
  --ok: #4ADE80;
  --warn: #FBBF24;
  --danger: #F87171;
}

:root[data-theme="light"] {
  --bg: #FAFAFA;
  --surface: #FFFFFF;
  --surface-2: #F4F4F5;
  --border: #E2E8F0;
  --border-strong: #CBD5E1;
  --text: #0F172A;
  --muted: #475569;
  --accent: #2563EB;
  --accent-hover: #1D4ED8;
  --accent-fg: #FFFFFF;
  --ok: #15803D;
  --warn: #B45309;
  --danger: #B91C1C;
}

/* Accessible Keyboard Focus Visible System — Zero blue square selections on click/tap */
*,
*::before,
*::after {
  -webkit-tap-highlight-color: transparent !important;
}

button,
a,
input,
select,
[role="button"],
[role="tab"],
.btn,
.chip,
.seg-btn {
  -webkit-tap-highlight-color: transparent !important;
}

button:focus:not(:focus-visible),
a:focus:not(:focus-visible),
input:focus:not(:focus-visible),
select:focus:not(:focus-visible),
[role="tab"]:focus:not(:focus-visible),
.btn:focus:not(:focus-visible),
.chip:focus:not(:focus-visible),
.seg-btn:focus,
.seg-btn:active {
  outline: none !important;
  box-shadow: none !important;
  -webkit-tap-highlight-color: transparent !important;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* File Protocol Warning Banner */
.file-protocol-banner {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.18) 0%, rgba(217, 119, 6, 0.25) 100%);
  border-bottom: 1px solid rgba(245, 158, 11, 0.35);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: #fef3c7;
  padding: 10px 16px;
  font-size: 0.88rem;
  line-height: 1.45;
  position: relative;
  z-index: 9999;
  animation: bannerSlideDown 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes bannerSlideDown {
  from { transform: translateY(-100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

:root[data-theme="light"] .file-protocol-banner {
  background: linear-gradient(135deg, rgba(254, 243, 199, 0.98) 0%, rgba(253, 230, 138, 0.92) 100%);
  border-bottom: 1px solid rgba(245, 158, 11, 0.4);
  color: #78350f;
}

.banner-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
}

.banner-icon {
  font-size: 1.25rem;
  color: #fbbf24;
  flex-shrink: 0;
}

:root[data-theme="light"] .banner-icon {
  color: #d97706;
}

.banner-text {
  flex: 1;
}

.banner-text strong {
  display: inline-block;
  margin-right: 6px;
  font-weight: 700;
}

.banner-text code {
  background: rgba(0, 0, 0, 0.3);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 0.88em;
  font-weight: 600;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

:root[data-theme="light"] .banner-text code {
  background: rgba(255, 255, 255, 0.8);
  border-color: rgba(217, 119, 6, 0.3);
}

.banner-dismiss {
  background: transparent;
  border: none;
  color: currentColor;
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  padding: 2px 8px;
  border-radius: 4px;
  opacity: 0.75;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.banner-dismiss:hover {
  opacity: 1;
  transform: scale(1.1);
}

/* Prevent transition flash / bounce animation / layout shift on initial page load */
.preload,
.preload *,
.preload *::before,
.preload *::after {
  -webkit-transition: none !important;
  -moz-transition: none !important;
  -ms-transition: none !important;
  -o-transition: none !important;
  transition: none !important;
  -webkit-animation: none !important;
  -moz-animation: none !important;
  -o-animation: none !important;
  animation: none !important;
}

html.preload body {
  opacity: 0 !important;
}

body {
  opacity: 1;
  transition: opacity 0.12s ease-out;
}

/* 2. Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* 3. Base */
html {
  font-family: var(--font);
  font-size: 14px;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-wrap: anywhere;
  overflow-x: hidden;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

/* Font Awesome protection from language font-family overrides */
.fa, .fas, .far, .fab, .fa-solid, .fa-regular, .fa-brands, [class*="fa-"] {
  font-family: "Font Awesome 6 Free", "FontAwesome" !important;
}
.fa-brands {
  font-family: "Font Awesome 6 Brands" !important;
}

:lang(bn):not(.fa):not(.fas):not(.far):not(.fab):not(.fa-solid):not(.fa-regular):not(.fa-brands):not([class*="fa-"]),
[data-lang="bn"]:not(.fa):not(.fas):not(.far):not(.fab):not(.fa-solid):not(.fa-regular):not(.fa-brands):not([class*="fa-"]) {
  font-family: 'Noto Sans Bengali', 'Hind Siliguri', 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.65;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-color: var(--bg);
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

/* Prevent ghost dragging on images and canvases */
img, svg, canvas {
  -webkit-user-drag: none;
  user-drag: none;
}

/* Maintain text selection for form inputs and editable controls */
input,
textarea,
[contenteditable="true"] {
  -webkit-user-select: text !important;
  -moz-user-select: text !important;
  -ms-user-select: text !important;
  user-select: text !important;
  -webkit-touch-callout: default !important;
}

/* Ensure flex children don't overflow parent containers */
.flex, .d-flex, [class*="container"], [class*="wrapper"], [class*="group"], [class*="row"], [class*="bar"] > * {
  min-width: 0;
}

h1, h2, h3, h4 {
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text);
}

h1 { font-size: 20px; }
h2 { font-size: 16px; }
h3 { font-size: 14px; }

p, span, label {
  max-width: 68ch;
}

input, button, select, textarea {
  font-family: inherit;
  font-size: 14px;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: transparent;
}

:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

/* 4. Layout */
.site-header {
  background-color: transparent;
  border-bottom: none;
  padding-top: clamp(16px, 2.2vh, 28px);
  padding-bottom: clamp(6px, 1vh, 12px);
  padding-inline: var(--s-5);
  height: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.header-container {
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
  transition: all 0.2s ease;
}

[data-theme="dark"] .header-container,
body.dark .header-container {
  background-color: var(--surface);
  border-color: var(--border);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  padding: 2px;
  background: linear-gradient(135deg, #1e3a8a, #0f172a);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 10px rgba(37, 99, 235, 0.25);
}

.brand-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  gap: 2px;
  min-width: 130px;
}

.brand-info h1 {
  font-size: 16.5px;
  font-weight: 800;
  line-height: 1.2;
  color: var(--text);
  margin: 0;
  letter-spacing: -0.02em;
}

.brand-tagline {
  font-size: 11.5px;
  font-weight: 500;
  color: var(--muted);
  line-height: 15px;
  height: 15px;
  min-height: 15px;
  max-height: 15px;
  border-left: none;
  padding-left: 0;
  margin: 0;
  display: flex;
  align-items: center;
  letter-spacing: 0.01em;
  white-space: nowrap;
  overflow: hidden;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.header-nav .nav-pill {
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background-color: var(--text);
  color: var(--bg);
}

.header-nav .nav-link {
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  transition: all 0.15s ease;
}

.header-nav .nav-link:hover {
  color: var(--text);
  background-color: var(--surface-2);
}

.header-nav .nav-badge-offline {
  padding: 4px 12px;
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  background-color: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.18);
  border-radius: 999px;
}

[data-theme="dark"] .header-nav .nav-badge-offline,
body.dark .header-nav .nav-badge-offline {
  color: #a5b4fc;
  background-color: rgba(99, 102, 241, 0.16);
  border-color: rgba(99, 102, 241, 0.32);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ── Segmented Sliding Toggles (Language & Theme) ── */
.segmented-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  width: 68px;
  height: 32px;
  padding: 2.5px;
  border-radius: 999px;
  background-color: var(--surface-2);
  border: 1px solid var(--border);
  cursor: pointer;
  box-sizing: border-box;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition: background-color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.05);
}

.segmented-toggle:hover {
  border-color: var(--border-strong, #94a3b8);
}

.segmented-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Sliding highlight (thumb) */
.toggle-slider {
  position: absolute;
  top: 2.5px;
  left: 2.5px;
  width: calc((100% - 5px) / 2);
  height: calc(100% - 5px);
  border-radius: 999px;
  background-color: #ffffff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.08);
  pointer-events: none;
  transform: translateX(0);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), background-color 0.25s ease, box-shadow 0.25s ease;
  will-change: transform;
}

[data-theme="dark"] .toggle-slider,
body.dark .toggle-slider {
  background: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.45), 0 0 10px rgba(255, 255, 255, 0.1), inset 0 0 0 1px rgba(255, 255, 255, 0.16);
}

/* When state is right: animate slider to right */
.segmented-toggle[data-state="right"] .toggle-slider {
  transform: translateX(100%);
}

/* Option slots */
.toggle-opt {
  flex: 1;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--muted);
  transition: color 0.25s ease, transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  line-height: 1;
  pointer-events: none;
}

.toggle-opt svg {
  flex-shrink: 0;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), color 0.25s ease;
}

/* Active option states */
.segmented-toggle[data-state="left"] .opt-left,
.segmented-toggle[data-state="right"] .opt-right {
  color: var(--text);
  font-weight: 800;
}

.segmented-toggle[data-state="left"] .opt-left svg {
  color: #f59e0b; /* Bright sun when active */
  transform: scale(1.12);
}

.segmented-toggle[data-state="right"] .opt-right svg {
  color: #38bdf8; /* Glowing moon when active */
  transform: scale(1.12);
}

.segmented-toggle[data-state="left"] .opt-right svg,
.segmented-toggle[data-state="right"] .opt-left svg {
  color: var(--muted);
  transform: scale(0.9);
}

/* Auto AI Remove — bluish-purple gradient */
#btnBrushAutoAi {
  background: linear-gradient(135deg, #6B5FFF 0%, #9B59FF 55%, #C084FC 100%);
  color: #ffffff;
  border: none;
  box-shadow: 0 2px 10px rgba(107, 95, 255, 0.35);
  transition: filter 0.18s ease, transform 0.15s ease, box-shadow 0.18s ease;
}

#btnBrushAutoAi:hover {
  filter: brightness(1.1);
  box-shadow: 0 4px 16px rgba(107, 95, 255, 0.50);
  transform: translateY(-1px);
}

#btnBrushAutoAi:active {
  filter: brightness(0.95);
  transform: translateY(0);
  box-shadow: 0 1px 6px rgba(107, 95, 255, 0.30);
}

#btnBrushAutoAi svg {
  opacity: 0.95;
}

.main-content {
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: var(--s-5);
  padding-block: clamp(12px, 1.8vh, 24px);
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: clamp(18px, 2.4vh, 28px);
  transition: max-width var(--t) var(--ease);
}

body.has-image .main-content,
.main-content.has-image {
  max-width: 1240px;
}

body.has-image .hero,
body.has-image .feature-strip,
.main-content.has-image .hero,
.main-content.has-image .feature-strip {
  display: none !important;
}

@media (min-width: 1280px) {
  body.has-image .main-content,
  .main-content.has-image {
    max-width: min(96vw, 1600px);
  }
  body.has-image .header-container,
  body.has-image .footer-content {
    max-width: min(96vw, 1600px);
  }
  .editor-modal-dialog {
    max-width: min(92vw, 1360px);
  }
  .editor-sidebar {
    width: 380px;
    min-width: 360px;
  }
}

/* 5. Components */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  height: 40px;
  padding-inline: var(--s-4);
  border-radius: var(--r-md);
  font-size: 14px;
  font-weight: 500;
  transition: background-color var(--t) var(--ease), border-color var(--t) var(--ease), transform var(--t) var(--ease);
  text-decoration: none;
  user-select: none;
  white-space: nowrap;
}

.btn:active:not(:disabled) {
  transform: translateY(1px);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-sm {
  height: 36px;
  padding-inline: var(--s-3);
  font-size: 13px;
}

.btn-lg {
  height: 40px;
  padding-inline: var(--s-5);
  font-size: 14px;
  font-weight: 600;
}

.btn-primary {
  background-color: var(--accent);
  color: var(--accent-fg);
  border: 1px solid var(--accent);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
}

.btn-secondary {
  background-color: var(--surface);
  color: var(--text);
  border: 1px solid var(--border-strong);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--surface-2);
}

.btn-outline {
  background-color: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-outline:hover:not(:disabled) {
  background-color: var(--surface-2);
}

.btn-danger-outline {
  background-color: transparent;
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.35);
}

.btn-danger-outline:hover:not(:disabled) {
  background-color: rgba(239, 68, 68, 0.08);
  border-color: var(--danger);
  color: var(--danger);
}

.btn-danger {
  background-color: var(--danger);
  color: #ffffff;
  border: 1px solid var(--danger);
}

.btn-danger:hover:not(:disabled) {
  background-color: #dc2626;
  border-color: #dc2626;
}

/* Global Error Banner */
.global-banner {
  max-width: 1120px;
  margin-inline: auto;
  margin-top: var(--s-4);
  padding-inline: var(--s-4);
  padding-block: var(--s-3);
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--danger);
  border-radius: var(--r-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--s-4);
  font-size: 13px;
  color: var(--text);
}

/* Dropzone */
.dropzone-section {
  margin-block: var(--s-5);
}

.dropzone {
  border: 1px dashed var(--border-strong);
  border-radius: var(--r-lg);
  background-color: var(--surface);
  padding-block: var(--s-7);
  padding-inline: var(--s-5);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--s-3);
  transition: border-color var(--t) var(--ease), background-color var(--t) var(--ease);
}

.dropzone-icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  margin-bottom: var(--s-1);
}

.lucide-icon {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

.dropzone.drag-active {
  border-color: var(--accent);
  background-color: var(--surface-2);
}

.dropzone-title {
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
}

.dropzone-subtitle {
  font-size: 13px;
  color: var(--muted);
}

/* Hero Segmented Pill Tabs */
.seg {
  position: relative;
  display: flex;
  align-items: center;
  background-color: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px;
  width: 100%;
  max-width: 360px;
  margin: 0 auto var(--s-3);
  box-sizing: border-box;
  user-select: none;
  -webkit-tap-highlight-color: transparent !important;
}

[data-theme="dark"] .seg,
body.dark .seg {
  background-color: #141418;
  border-color: #26262E;
}

.seg-slider {
  position: absolute;
  top: 3px;
  left: 3px;
  width: calc((100% - 6px) / 2);
  height: calc(100% - 6px);
  background-color: #FFFFFF;
  border-radius: 999px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: none;
  z-index: 1;
}

[data-theme="dark"] .seg-slider,
body.dark .seg-slider {
  background-color: #24242C;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}

.seg[data-state="right"] .seg-slider {
  transform: translateX(100%);
}

.seg-btn {
  position: relative;
  flex: 1 1 0;
  z-index: 2;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  border: none;
  background: transparent !important;
  color: var(--muted);
  font-size: 12.5px;
  font-weight: 600;
  border-radius: 999px;
  cursor: pointer;
  text-align: center;
  white-space: nowrap;
  transition: color 0.2s ease;
  user-select: none;
  -webkit-tap-highlight-color: transparent !important;
  outline: none !important;
  box-shadow: none !important;
}

.seg-btn:hover {
  color: var(--text);
}

.seg-btn.active,
.seg-btn[aria-selected="true"] {
  color: var(--text) !important;
  font-weight: 700;
  background: transparent !important;
  outline: none !important;
  box-shadow: none !important;
}

.dropzone-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-block: var(--s-2);
  width: 100%;
  max-width: 440px;
}

.dropzone-actions .btn {
  flex: 1 1 0px;
  width: 100%;
  min-width: 130px;
  max-width: 220px;
  height: 42px;
  padding: 0 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 13.5px;
  font-weight: 600;
  border-radius: var(--r-md);
  text-align: center;
  white-space: nowrap;
  box-sizing: border-box;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@media (max-width: 600px) {
  .dropzone-actions {
    flex-direction: column;
    width: 100%;
    max-width: 280px;
    gap: 10px;
  }
  .dropzone-actions .btn {
    width: 100% !important;
    max-width: 280px !important;
    min-width: 100% !important;
    flex: none !important;
  }
}

/* Light Mode Dropzone Action Buttons */
#btnChooseFile {
  background: linear-gradient(135deg, #2563EB 0%, #4F46E5 100%);
  color: #FFFFFF;
  border: 1px solid rgba(0, 0, 0, 0.1);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.08);
}

#btnChooseFile:hover {
  background: linear-gradient(135deg, #1D4ED8 0%, #4338CA 100%);
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.3);
  transform: translateY(-1px);
}

#btnTakePhoto {
  background-color: var(--surface);
  color: var(--text);
  border: 1px solid var(--border-strong);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

#btnTakePhoto:hover {
  background-color: var(--surface-2);
  border-color: var(--accent);
  transform: translateY(-1px);
}

/* Dark Mode Dropzone Action Buttons (Sharp, Crisp, Luminous without blurry halos) */
[data-theme="dark"] #btnChooseFile,
body.dark #btnChooseFile {
  background: linear-gradient(135deg, #3B82F6 0%, #6366F1 100%) !important;
  color: #FFFFFF !important;
  border: 1px solid rgba(255, 255, 255, 0.14) !important;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.35) !important;
  text-shadow: none !important;
}

[data-theme="dark"] #btnChooseFile:hover,
body.dark #btnChooseFile:hover {
  background: linear-gradient(135deg, #60A5FA 0%, #818CF8 100%) !important;
  border-color: rgba(255, 255, 255, 0.25) !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.45) !important;
  transform: translateY(-1px);
}

[data-theme="dark"] #btnTakePhoto,
body.dark #btnTakePhoto {
  background: #1B1B1E !important;
  color: #F8FAFC !important;
  border: 1px solid #2E2E34 !important;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2) !important;
}

[data-theme="dark"] #btnTakePhoto:hover,
body.dark #btnTakePhoto:hover {
  background: #26262C !important;
  border-color: #3E3E48 !important;
  color: #FFFFFF !important;
  transform: translateY(-1px);
}

.dropzone-hint {
  font-size: 12px;
  color: var(--muted);
}

/* Workspace */
.workspace-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--s-5);
  margin-top: var(--s-4);
  min-width: 0;
  max-width: 100%;
  align-items: start;
}

@media (min-width: 1024px) {
  .workspace-section {
    grid-template-columns: 360px 1fr;
  }
}

.workspace-main {
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
  min-width: 0;
  max-width: 100%;
  order: 1;
}

.presets-section {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--s-5);
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
  order: 2;
}

@media (min-width: 1024px) {
  .workspace-main {
    order: 2;
  }
  .presets-section {
    order: 1;
  }
}

.section-title {
  font-size: 14px;
  font-weight: 600;
}

/* Tabs */
.category-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  gap: var(--s-4);
}

.tab-btn {
  padding-block: var(--s-2);
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  border-bottom: 2px solid transparent;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease);
}

.tab-btn:hover {
  color: var(--text);
}

.tab-btn.active {
  color: var(--text);
  border-bottom-color: var(--accent);
}

/* Gov Note */
.gov-note-banner {
  font-size: 12px;
  color: var(--muted);
  padding: var(--s-2) var(--s-3);
  background-color: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  line-height: 1.4;
}

/* Search Input */
.presets-search-bar {
  display: flex;
}

.search-input {
  width: 100%;
  height: 36px;
  padding-inline: var(--s-3);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  background-color: var(--surface);
  color: var(--text);
  font-size: 13px;
}

.search-input:focus {
  border-color: var(--accent);
}

/* Presets Grid */
.presets-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-3);
  max-height: 440px;
  overflow-y: auto;
  padding-right: var(--s-1);
}

.preset-card {
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background-color: var(--surface);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: relative;
  overflow: hidden;
}

.preset-card:hover {
  border-color: rgba(99, 102, 241, 0.5);
  background-color: var(--surface-2);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
}

.preset-card.active {
  border-color: #6366f1;
  background-color: rgba(99, 102, 241, 0.08);
  box-shadow: 0 0 0 1px #6366f1, 0 4px 16px rgba(99, 102, 241, 0.18);
}

/* Gov / Locked cards — High-Contrast Indigo & Glowing Amber Star */
.card-gov {
  border-color: rgba(99, 102, 241, 0.35);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.08) 0%, rgba(99, 102, 241, 0.04) 100%);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.card-gov:hover {
  border-color: rgba(99, 102, 241, 0.85);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.14) 0%, rgba(99, 102, 241, 0.08) 100%);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.22), 0 2px 8px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.card-gov.active {
  border-color: #6366f1;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.18) 0%, rgba(99, 102, 241, 0.12) 100%);
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.3), 0 4px 12px rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .card-gov,
body.dark .card-gov {
  border-color: rgba(99, 102, 241, 0.4);
  background: linear-gradient(135deg, rgba(30, 58, 138, 0.22) 0%, rgba(15, 23, 42, 0.7) 100%);
}

[data-theme="dark"] .card-gov:hover,
body.dark .card-gov:hover {
  border-color: #818cf8;
  box-shadow: 0 0 22px rgba(99, 102, 241, 0.35);
}

.preset-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2px;
  gap: 8px;
}

.preset-card-kind {
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #60a5fa;
  white-space: nowrap;
}

:root[data-theme="light"] .preset-card-kind {
  color: #2563eb;
}

.preset-card-note {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.4;
  margin-top: 2px;
}

.preset-card-title {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.25;
}

.card-gov .preset-card-title {
  color: #f8fafc;
}

:root[data-theme="light"] .card-gov .preset-card-title {
  color: #0f172a;
}

.preset-card-dims {
  font-family: var(--mono);
  font-size: 12px;
  color: #94a3b8;
  font-weight: 500;
  margin-top: 1px;
}

:root[data-theme="light"] .preset-card-dims {
  color: #475569;
}

.preset-card-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #3730a3;
  background: rgba(99, 102, 241, 0.09);
  border: 1px solid rgba(99, 102, 241, 0.28);
  border-radius: 999px;
  padding: 2.5px 8.5px;
  white-space: nowrap;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

[data-theme="dark"] .preset-card-badge,
body.dark .preset-card-badge {
  color: #e0e7ff;
  background: rgba(99, 102, 241, 0.22);
  border-color: rgba(165, 180, 252, 0.45);
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.2);
}

/* DUET Card and Badge styling */
.card-duet {
  border-color: rgba(139, 92, 246, 0.35);
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.08) 0%, rgba(139, 92, 246, 0.04) 100%);
}

.card-duet:hover {
  border-color: rgba(139, 92, 246, 0.85);
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.14) 0%, rgba(139, 92, 246, 0.08) 100%);
  box-shadow: 0 6px 20px rgba(139, 92, 246, 0.22), 0 2px 8px rgba(0, 0, 0, 0.08);
}

.card-duet.active {
  border-color: #8b5cf6;
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.18) 0%, rgba(139, 92, 246, 0.12) 100%);
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.3), 0 4px 12px rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .card-duet,
body.dark .card-duet {
  border-color: rgba(139, 92, 246, 0.4);
  background: linear-gradient(135deg, rgba(55, 48, 163, 0.22) 0%, rgba(15, 23, 42, 0.7) 100%);
}

[data-theme="dark"] .card-duet:hover,
body.dark .card-duet:hover {
  border-color: #a78bfa;
  box-shadow: 0 0 22px rgba(139, 92, 246, 0.35);
}

.preset-card-badge.badge-duet,
.ppc-badge.ppc-badge-duet {
  color: #4338ca;
  background: rgba(139, 92, 246, 0.1);
  border-color: rgba(139, 92, 246, 0.32);
}

[data-theme="dark"] .preset-card-badge.badge-duet,
body.dark .preset-card-badge.badge-duet,
[data-theme="dark"] .ppc-badge.ppc-badge-duet,
body.dark .ppc-badge.ppc-badge-duet {
  color: #ede9fe;
  background: rgba(139, 92, 246, 0.24);
  border-color: rgba(196, 181, 253, 0.45);
  box-shadow: 0 0 10px rgba(139, 92, 246, 0.22);
}

/* FontAwesome Icons (Clean Static Color Matching Text) */
.star-gradient,
i.fa-star.star-gradient,
.fa-star,
.fa-graduation-cap,
.fa-certificate,
i.fa-graduation-cap,
i.fa-certificate {
  color: currentColor;
  display: inline-block;
  vertical-align: -1px;
}


/* Custom Size Form */
.custom-panel {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}

.custom-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-3);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--s-1);
}

.form-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
}

.form-input, .form-select {
  height: 36px;
  padding-inline: var(--s-3);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  background-color: var(--surface);
  color: var(--text);
  font-size: 13px;
}

.form-input:focus, .form-select:focus {
  border-color: var(--accent);
}

/* Preview Split */
.preview-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-4);
  min-width: 0;
  max-width: 100%;
}

.preview-pane {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--s-4);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
  container-type: inline-size;
  container-name: previewPane;
}

.preview-pane-header {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  width: 100%;
}

.preview-pane-heading-group {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  width: 100%;
  min-width: 0;
}

.preview-pane-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  gap: 8px;
  min-width: 0;
  flex-wrap: nowrap;
}

.preview-pane-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
  white-space: nowrap;
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: -0.01em;
}

.active-preset-badge-wrap {
  display: inline-flex;
  align-items: center;
  position: relative;
  max-width: 100%;
}

.active-preset-pill {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3.5px 10px;
  border-radius: 999px;
  font-family: inherit;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #3730a3;
  background: rgba(99, 102, 241, 0.09);
  border: 1px solid rgba(99, 102, 241, 0.32);
  cursor: pointer;
  user-select: none;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  max-width: 100%;
  -webkit-appearance: none;
  appearance: none;
}

.active-preset-pill:hover,
.active-preset-pill.open {
  background: rgba(99, 102, 241, 0.16);
  border-color: #818cf8;
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.3);
  transform: translateY(-1px);
}

.active-preset-pill:active {
  transform: translateY(0);
}

[data-theme="dark"] .active-preset-pill,
body.dark .active-preset-pill {
  color: #e0e7ff;
  background: rgba(99, 102, 241, 0.22);
  border-color: rgba(165, 180, 252, 0.45);
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.18);
}

[data-theme="dark"] .active-preset-pill:hover,
[data-theme="dark"] .active-preset-pill.open,
body.dark .active-preset-pill:hover,
body.dark .active-preset-pill.open {
  background: rgba(99, 102, 241, 0.32);
  border-color: #a5b4fc;
  box-shadow: 0 0 16px rgba(99, 102, 241, 0.4);
}

.active-preset-label {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 240px;
}

.active-preset-chevron {
  flex-shrink: 0;
  opacity: 0.75;
  transition: transform 0.22s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.2s ease;
  pointer-events: none;
}

.active-preset-pill:hover .active-preset-chevron,
.active-preset-pill.open .active-preset-chevron {
  opacity: 1;
}

.active-preset-pill.open .active-preset-chevron {
  transform: rotate(180deg);
}

/* SnapSignFit Custom In-App Dropdown Menu */
.active-preset-dropdown-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 320px;
  max-width: 380px;
  width: max-content;
  max-height: min(420px, 62vh);
  overflow-y: auto;
  overscroll-behavior: contain;
  background: #14141c;
  border: 1px solid rgba(99, 102, 241, 0.35);
  border-radius: 12px;
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.05);
  padding: 6px;
  z-index: 1200;
  animation: presetDropdownFadeIn 0.16s cubic-bezier(0.16, 1, 0.3, 1);
  box-sizing: border-box;
}

:root[data-theme="light"] .active-preset-dropdown-menu {
  background: #ffffff;
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.16), 0 0 0 1px rgba(99, 102, 241, 0.1);
}

@keyframes presetDropdownFadeIn {
  from {
    opacity: 0;
    transform: translateY(-5px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.active-preset-menu-group {
  margin-bottom: 6px;
}

.active-preset-menu-group:last-child {
  margin-bottom: 0;
}

.active-preset-menu-group-header {
  position: sticky;
  top: -6px;
  background: inherit;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px 4px;
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #a5b4fc;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  margin-bottom: 3px;
}

:root[data-theme="light"] .active-preset-menu-group-header {
  color: #4338ca;
  border-bottom-color: rgba(99, 102, 241, 0.12);
}

.active-preset-menu-group-items {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.active-preset-menu-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6.5px 9px;
  border-radius: 8px;
  cursor: pointer;
  user-select: none;
  font-size: 12px;
  color: #e2e8f0;
  transition: all 0.15s ease;
  white-space: nowrap;
  gap: 8px;
  box-sizing: border-box;
}

:root[data-theme="light"] .active-preset-menu-item {
  color: #1e293b;
}

.active-preset-menu-item:hover {
  background: rgba(99, 102, 241, 0.16);
  color: #ffffff;
}

:root[data-theme="light"] .active-preset-menu-item:hover {
  background: rgba(99, 102, 241, 0.1);
  color: #1e1b4b;
}

.active-preset-menu-item.selected {
  background: rgba(99, 102, 241, 0.28);
  color: #818cf8;
  font-weight: 700;
  border: 1px solid rgba(129, 140, 248, 0.4);
}

:root[data-theme="light"] .active-preset-menu-item.selected {
  background: rgba(99, 102, 241, 0.14);
  color: #4338ca;
  border-color: rgba(99, 102, 241, 0.35);
}

.active-preset-item-main {
  display: flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
  flex: 1;
}

.active-preset-item-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 500;
}

.active-preset-menu-item.selected .active-preset-item-name {
  font-weight: 700;
}

.active-preset-item-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 4px;
  background: rgba(99, 102, 241, 0.2);
  color: #c7d2fe;
  flex-shrink: 0;
}

:root[data-theme="light"] .active-preset-item-badge {
  background: rgba(99, 102, 241, 0.12);
  color: #3730a3;
}

.active-preset-item-dims {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  flex-shrink: 0;
  margin-left: auto;
}

.active-preset-item-check {
  color: #818cf8;
  font-size: 11px;
  flex-shrink: 0;
  margin-left: 4px;
}

:root[data-theme="light"] .active-preset-item-check {
  color: #4338ca;
}

.preview-pane-dims-wrap {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
}

.preview-pane-dims-sub {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  color: #4338ca;
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.22);
  padding: 2.5px 9px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
}

[data-theme="dark"] .preview-pane-dims-sub,
body.dark .preview-pane-dims-sub {
  color: #c7d2fe;
  background: rgba(99, 102, 241, 0.16);
  border-color: rgba(165, 180, 252, 0.3);
}

/* Mobile: Cover 1 full line width symmetrically, dynamic font scaling */
@media (max-width: 640px) {
  .preview-pane-header {
    gap: 8px;
    width: 100%;
  }

  .preview-pane-heading-group {
    width: 100%;
    gap: 8px;
  }

  .preview-pane-title-row {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .active-preset-badge-wrap {
    width: 100%;
    display: flex;
  }

  .active-preset-pill {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 7px 12px;
    border-radius: var(--r-md);
    box-sizing: border-box;
    font-size: clamp(10px, 3.2vw, 12.5px);
  }

  .active-preset-label {
    max-width: 100%;
    flex: 1;
    text-align: center;
    font-size: inherit;
    padding: 0 4px;
  }

  .active-preset-dropdown-menu {
    left: 0;
    right: 0;
    width: 100%;
    min-width: 0;
    max-width: 100%;
    max-height: 52vh;
    border-radius: var(--r-md);
  }

  .active-preset-menu-item {
    padding: 8.5px 10px;
    font-size: clamp(11px, 3.1vw, 12.5px);
  }

  .active-preset-item-dims {
    font-size: 10.5px;
  }

  .preview-pane-dims-wrap {
    width: 100%;
    display: flex;
  }

  .preview-pane-dims-sub {
    width: 100%;
    justify-content: center;
    padding: 6px 12px;
    box-sizing: border-box;
    font-size: 11.5px;
    border-radius: var(--r-md);
  }
}


.preview-viewport {
  position: relative;
  width: 100%;
  height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
  user-select: none;
  touch-action: auto;
}

@media (min-width: 1024px) {
  .preview-viewport {
    height: min(58vh, 560px);
  }
}

@media (min-width: 1440px) {
  .preview-viewport {
    height: min(60vh, 640px);
  }
}

.preview-viewport canvas {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  box-shadow: 0 0 0 1px var(--border);
  transform-origin: center center;
  transition: transform 0.05s ease-out;
  will-change: transform;
}

.preview-viewport.is-space-held {
  cursor: grab !important;
}

.preview-viewport.is-panning {
  cursor: grabbing !important;
}

.preview-viewport.zoom-2x canvas {
  transform: scale(2);
  transform-origin: center center;
  image-rendering: auto;
}

/* Spinner Overlay */
.spinner-overlay {
  position: absolute;
  inset: 0;
  background-color: var(--surface);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--s-3);
  font-size: 13px;
  color: var(--muted);
}

.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 700ms linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Actions Bar & Status Layout (D2) */
.actions-bar {
  display: flex;
  flex-direction: column;
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--s-4);
  gap: var(--s-4);
  min-width: 0;
  max-width: 100%;
}

.status-chips-section {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: var(--s-2);
  width: 100%;
  max-width: 100%;
  padding: 10px 12px;
  background-color: var(--surface-2);
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  box-sizing: border-box;
  min-height: 44px;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
}

@media (min-width: 768px) {
  .status-chips-section {
    flex-direction: row;
    align-items: center;
    gap: var(--s-3);
    padding: var(--s-3) var(--s-4);
  }
}

.chips-container {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
  gap: 8px;
  max-width: 100%;
  width: auto;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  padding: 2px 0 4px 0;
  scrollbar-width: thin;
  scrollbar-color: rgba(99, 102, 241, 0.3) transparent;
}

.chips-container::-webkit-scrollbar {
  height: 4px;
}

.chips-container::-webkit-scrollbar-track {
  background: transparent;
}

.chips-container::-webkit-scrollbar-thumb {
  background: rgba(99, 102, 241, 0.35);
  border-radius: 4px;
}

.chips-container::-webkit-scrollbar-thumb:hover {
  background: rgba(99, 102, 241, 0.6);
}

.chips-container:empty {
  display: none;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: 6px 12px;
  font-size: 12px;
  line-height: 1.35;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background-color: var(--surface);
  color: var(--text);
  flex-shrink: 0;
  white-space: nowrap;
  box-sizing: border-box;
  transition: all var(--t) var(--ease);
}

.chip-warning {
  border-color: rgba(234, 179, 8, 0.45);
  background-color: rgba(234, 179, 8, 0.1);
  color: #eab308;
  box-shadow: 0 1px 3px rgba(234, 179, 8, 0.08);
}

.chip-fix {
  border-color: rgba(34, 197, 94, 0.4);
  background-color: rgba(34, 197, 94, 0.1);
  color: #22c55e;
  box-shadow: 0 1px 3px rgba(34, 197, 94, 0.08);
}

.chip-undo-btn {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 11px;
  font-weight: 600;
  text-decoration: underline;
  cursor: pointer;
  padding: 0;
  margin-left: var(--s-1);
}

.chip-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--muted);
}

.chip-warning .chip-dot {
  background-color: var(--warn);
}

.chip-success .chip-dot {
  background-color: var(--ok);
}

.chip-undo {
  margin-left: var(--s-1);
  font-size: 11px;
  color: var(--accent);
  text-decoration: underline;
  cursor: pointer;
}

.size-status-badge {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 10px;
  font-family: var(--mono);
  font-size: 12.5px;
  font-variant-numeric: tabular-nums;
  color: var(--text);
  padding: 6px 12px;
  border-radius: var(--r-sm);
  background-color: var(--surface);
  border: 1px solid var(--border);
  box-sizing: border-box;
  max-width: 100%;
}

.size-badge-dims {
  white-space: nowrap;
}

.size-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
}

.size-status-badge.under-limit {
  color: var(--ok);
  border-color: rgba(34, 197, 94, 0.35);
  background-color: rgba(34, 197, 94, 0.08);
}

.size-status-badge.over-limit {
  color: var(--danger);
  border-color: rgba(239, 68, 68, 0.35);
  background-color: rgba(239, 68, 68, 0.08);
}

.status-icon {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

.status-icon.ok {
  color: var(--ok);
}

.status-icon.warn {
  color: var(--warn);
}

.status-icon.danger {
  color: var(--danger);
}

.action-buttons-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-3);
  width: 100%;
  justify-content: flex-end;
}

@media (max-width: 640px) {
  .action-buttons-group {
    justify-content: stretch;
  }
  .action-buttons-group .btn {
    flex: 1 1 auto;
  }
}

/* Settings Bar - Symmetrical Grid Layout */
.settings-bar {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 16px 18px;
  width: 100%;
  box-sizing: border-box;
}

.settings-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  min-width: 0;
  width: 100%;
}

.settings-item .form-label {
  margin: 0;
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  text-align: left;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
  line-height: 1.2;
}

.settings-item .form-select {
  width: 100%;
  height: 38px;
  min-width: 0;
  box-sizing: border-box;
  background-color: var(--surface-2);
  border: 1px solid var(--border-strong, var(--border));
  border-radius: var(--r-md);
  padding-inline: 10px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  text-overflow: ellipsis;
}

.settings-item .form-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.bg-mode-select-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  min-width: 0;
}

.bg-mode-select-wrap select {
  flex: 1;
  min-width: 0;
  width: 100%;
}

.settings-bar-footer {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-start;
  gap: 18px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  margin-top: 2px;
}

.settings-item-inline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.form-label-inline {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  margin: 0;
}

.editor-checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  user-select: none;
}

.editor-checkbox-label input[type="checkbox"] {
  accent-color: var(--accent);
  width: 15px;
  height: 15px;
  cursor: pointer;
  margin: 0;
}

@media (max-width: 1024px) {
  .settings-bar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    padding: 12px 14px;
  }
}

@media (max-width: 480px) {
  .settings-bar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    padding: 12px;
  }
  .settings-item .form-select {
    font-size: 12px;
    height: 36px;
    padding-inline: 8px;
  }
}

/* Footer (D4 & D5) */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  background-color: rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding-block: clamp(14px, 1.8vh, 20px);
  width: 100%;
  flex-shrink: 0;
}

[data-theme="dark"] .site-footer,
body.dark .site-footer {
  background-color: rgba(11, 11, 12, 0.65);
  border-top-color: rgba(255, 255, 255, 0.08);
}

.footer-content {
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: var(--s-5);
  font-size: 12px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-left {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.footer-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: #0284c7;
  display: inline-block;
  flex-shrink: 0;
}

.footer-brand-text {
  font-weight: 700;
  color: var(--text);
}

.footer-right {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 11.5px;
}

.footer-sep {
  color: var(--muted);
  opacity: 0.5;
  user-select: none;
}

/* "Developed by" plain text */
.footer-dev-credit {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.01em;
}

/* "Humayoun" — animated blue-purple gradient name */
@keyframes gradientShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.footer-dev-name {
  font-weight: 900;
  text-decoration: none;
  background: linear-gradient(270deg, #6d28d9, #4f46e5, #3b82f6, #818cf8, #6d28d9);
  background-size: 300% 300%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 4s ease infinite;
  display: inline-block;
  transition: filter 0.3s ease, transform 0.3s ease;
  letter-spacing: 0.03em;
}

.footer-dev-name:hover {
  filter: drop-shadow(0 0 8px rgba(109, 40, 217, 0.7)) drop-shadow(0 0 16px rgba(79, 70, 229, 0.5));
  transform: scale(1.06);
  animation-duration: 1.5s;
}

/* Confirmation Modal */
.confirm-modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: var(--s-4);
  animation: fadeIn 0.15s ease-out;
}

.confirm-modal-dialog {
  background-color: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
  width: 100%;
  max-width: 440px;
  padding: var(--s-5);
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.3);
}

.confirm-modal-header {
  display: flex;
  align-items: center;
  gap: var(--s-3);
}

.confirm-modal-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background-color: rgba(239, 68, 68, 0.12);
  color: var(--danger);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.confirm-modal-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  margin: 0;
}

.confirm-modal-body {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.5;
  margin: 0;
}

.confirm-modal-actions {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  margin-top: var(--s-2);
}

@media (min-width: 480px) {
  .confirm-modal-actions {
    flex-direction: row-reverse;
    justify-content: flex-start;
  }
}

/* Editor Modal */
.editor-modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--s-4);
}

.editor-modal-dialog {
  background-color: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
  width: 95%;
  max-width: 1200px;
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.editor-header {
  padding: var(--s-3) var(--s-4);
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  background-color: var(--surface);
  flex-shrink: 0;
}

.editor-header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  gap: var(--s-2);
  flex-wrap: wrap;
}

.editor-header-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.editor-title {
  font-size: 15px;
  font-weight: 600;
  margin: 0;
}

.editor-close-btn {
  min-width: 44px;
  min-height: 44px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--muted);
  line-height: 1;
  padding: 0;
  flex-shrink: 0;
  border-radius: var(--r-sm);
  cursor: pointer;
}

.editor-close-btn:hover {
  color: var(--text);
  background-color: var(--surface-2);
}

.editor-step-tabs {
  display: flex;
  gap: var(--s-1);
  background-color: var(--surface-2);
  padding: 3px;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  width: 100%;
  box-sizing: border-box;
}

.editor-step-tab {
  flex: 1 1 0;
  min-width: 0;
  justify-content: center;
  padding: var(--s-2) var(--s-2);
  min-height: 40px;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  border-radius: var(--r-sm);
  transition: all var(--t) var(--ease);
  display: flex;
  align-items: center;
  gap: var(--s-1);
  text-align: center;
  box-sizing: border-box;
}

.editor-step-tab.active {
  background-color: var(--surface);
  color: var(--text);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.editor-body {
  display: flex;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.editor-viewport-wrapper {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
  min-height: 0;
  background-color: var(--surface-2);
}

.editor-viewport-container {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
  overflow: hidden;
  touch-action: none;
  overscroll-behavior: none;
  user-select: none;
  -webkit-user-select: none;
}

.editor-interactive-canvas {
  max-width: 100%;
  max-height: 100%;
  cursor: default;
  touch-action: none;
}

.editor-interactive-canvas.is-space-held {
  cursor: grab !important;
}

.editor-interactive-canvas.is-panning {
  cursor: grabbing !important;
}

.editor-interactive-canvas.brush-mode {
  cursor: crosshair;
}

/* Helper bar below canvas (wraps caption and fullscreen button) */
.editor-help-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-2);
  width: 100%;
  box-sizing: border-box;
  background-color: var(--surface);
  border-top: 1px solid var(--border);
  padding: 6px var(--s-3);
  flex-shrink: 0;
  min-height: 38px;
}

.editor-help-bar .editor-help-text {
  position: static !important;
  width: auto !important;
  max-width: 100% !important;
  min-width: 0 !important;
  box-sizing: border-box !important;
  color: var(--muted);
  font-size: 12px !important;
  background-color: transparent !important;
  border-top: none !important;
  padding: 0 !important;
  text-align: left;
  white-space: normal !important;
  overflow-wrap: normal !important;
  word-break: normal !important;
  line-height: 1.35 !important;
  margin: 0 !important;
  flex: 1 1 auto;
}

.btn-editor-fs {
  display: none; /* Shown on mobile when Step 3 is active */
  align-items: center;
  gap: 5px;
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 5px 10px;
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: all var(--t) var(--ease);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.btn-editor-fs:hover {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
}

.btn-editor-fs i {
  font-size: 11px;
}

/* Fullscreen Topbar for Background & Brush (Step 3 on Mobile) */
.editor-fs-topbar {
  display: none;
  background-color: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  flex-shrink: 0;
  z-index: 20;
  width: 100%;
  padding: 6px 8px;
  box-sizing: border-box;
  gap: 6px;
}

.step3-fullscreen-active .editor-fs-topbar {
  display: flex !important;
  flex-direction: column;
}

/* TOP SECTION: Two halves side-by-side */
.editor-fs-top-section {
  display: flex;
  flex-direction: row;
  gap: 8px;
  align-items: stretch;
  width: 100%;
  box-sizing: border-box;
}

/* LEFT HALF: 1. Undo/Redo, 2. Tools, 3. Size slider, 4. Hardness slider */
.editor-fs-left-col {
  container-type: inline-size;
  flex: 1 1 58%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.editor-fs-row-history {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  width: 100%;
}

.editor-fs-row-tools {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 5px;
  width: 100%;
}

.editor-fs-slider-card {
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 3px 6px 4px;
  box-sizing: border-box;
}

.editor-fs-slider-hdr {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.editor-fs-slider-name {
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
}

.editor-fs-slider-val {
  font-size: 11px;
  font-weight: 700;
  font-family: var(--mono);
  color: var(--primary);
}

.editor-fs-range {
  width: 100%;
  height: 6px;
  accent-color: var(--primary);
  cursor: pointer;
  margin: 2px 0 0 0;
  padding: 0;
}

/* RIGHT HALF: 1. Exit button, 2. Live Preview window */
.editor-fs-right-col {
  flex: 1 1 42%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: stretch;
}

.editor-fs-right-col .btn-fs-exit {
  width: 100%;
  height: 36px;
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--r-sm);
  cursor: pointer;
  flex-shrink: 0;
  box-sizing: border-box;
}

.editor-fs-preview-wrap {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  overflow: hidden;
  cursor: pointer;
  user-select: none;
  position: relative;
  transition: border-color var(--t) var(--ease), box-shadow var(--t) var(--ease), transform 0.15s ease;
  min-height: 96px;
}

.editor-fs-preview-wrap:hover {
  border-color: var(--primary);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
}

.editor-fs-preview-wrap:active {
  transform: scale(0.98);
}

.editor-fs-preview-hdr {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2px 6px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.editor-fs-preview-tag {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.4px;
  color: var(--muted);
  text-transform: uppercase;
}

.editor-fs-preview-hint {
  font-size: 10px;
  color: var(--muted);
  display: flex;
  align-items: center;
}

.editor-fs-preview-box {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  position: relative;
  overflow: hidden;
  background-image:
    linear-gradient(45deg, rgba(0, 0, 0, 0.06) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(0, 0, 0, 0.06) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(0, 0, 0, 0.06) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(0, 0, 0, 0.06) 75%);
  background-size: 12px 12px;
  background-position: 0 0, 0 6px, 6px -6px, -6px 0px;
}

.editor-fs-preview-canvas {
  max-width: 100%;
  max-height: 90px;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 2px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
  display: block;
}

/* BOTTOM SECTION: Auto AI, Reset Background, Background Color Swatches */
.editor-fs-bottom-section {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 100%;
}

.editor-fs-actions-subrow {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  width: 100%;
}

.editor-fs-palette-subrow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 4px 8px;
  box-sizing: border-box;
  min-height: 38px;
}

.btn-fs-tool {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  height: 36px;
  min-height: 36px;
  padding: 0 4px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: all var(--t) var(--ease);
  white-space: nowrap;
  box-sizing: border-box;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

.btn-fs-tool svg, .btn-fs-tool i {
  flex-shrink: 0;
}

.btn-fs-tool .btn-fs-tool-label {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  line-height: 1;
}

/* Gracefully collapse label to show clean, centered icons when space is tight, preventing curling/wrapping */
@container (max-width: 228px) {
  .editor-fs-row-tools .btn-fs-tool .btn-fs-tool-label {
    display: none !important;
  }
  .editor-fs-row-tools .btn-fs-tool {
    gap: 0;
    padding: 0;
  }
  .editor-fs-row-tools .btn-fs-tool svg,
  .editor-fs-row-tools .btn-fs-tool i {
    width: 16px;
    height: 16px;
  }
}

@media (max-width: 410px) {
  .editor-fs-row-tools .btn-fs-tool .btn-fs-tool-label {
    display: none !important;
  }
  .editor-fs-row-tools .btn-fs-tool {
    gap: 0;
    padding: 0;
  }
  .editor-fs-row-tools .btn-fs-tool svg,
  .editor-fs-row-tools .btn-fs-tool i {
    width: 16px;
    height: 16px;
  }
}

.btn-fs-tool:hover {
  color: var(--text);
  border-color: var(--border-focus);
}

.btn-fs-tool.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.35);
}

.btn-fs-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  height: 34px;
  min-height: 34px;
  padding: 0 6px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-size: 11.5px;
  font-weight: 500;
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: all var(--t) var(--ease);
  white-space: nowrap;
  box-sizing: border-box;
}

.btn-fs-action svg, .btn-fs-action i {
  flex-shrink: 0;
}

.btn-fs-action:hover:not(:disabled) {
  background: var(--surface);
  border-color: var(--primary);
  color: var(--primary);
}

.btn-fs-action:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-fs-ai {
  border-color: rgba(168, 85, 247, 0.3);
  background: rgba(168, 85, 247, 0.08);
  color: var(--text);
}

.btn-fs-ai:hover {
  background: rgba(168, 85, 247, 0.18);
  border-color: #a855f7;
  color: #a855f7;
}

.btn-fs-exit {
  background: rgba(239, 68, 68, 0.08);
  color: #ef4444;
  border-color: rgba(239, 68, 68, 0.25);
}

.btn-fs-exit:hover, .btn-fs-exit:active {
  background: #ef4444;
  color: #ffffff;
  border-color: #ef4444;
}

.editor-fs-palette-label {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
}

.editor-fs-palette-swatches {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.fs-swatch {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.2);
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  box-sizing: border-box;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.fs-swatch:active {
  transform: scale(0.9);
}

.fs-swatch.active {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.fs-swatch-picker {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1.5px dashed var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  overflow: hidden;
  background: var(--surface);
  box-sizing: border-box;
  transition: border-color 0.15s ease;
}

.fs-swatch-picker:hover {
  border-color: var(--primary);
}

.fs-swatch-picker input[type="color"] {
  position: absolute;
  opacity: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
  inset: 0;
}

/* Full-screen Enlarged Live Preview Modal Overlay */
.editor-preview-modal-overlay {
  position: absolute;
  inset: 0;
  z-index: 1050;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.25s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.editor-preview-modal-overlay.hidden {
  display: none !important;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.editor-preview-modal-backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.editor-preview-modal-content {
  position: relative;
  z-index: 2;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
  width: 90vw;
  max-width: 520px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform-origin: center center;
  transition: transform 0.28s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.22s ease;
}

.editor-preview-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  flex-shrink: 0;
}

.editor-preview-modal-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.editor-preview-modal-dims {
  font-size: 11px;
  font-family: var(--mono);
  color: var(--muted);
  background: var(--surface-2);
  padding: 2px 6px;
  border-radius: var(--r-xs);
  border: 1px solid var(--border);
}

.editor-preview-modal-canvas-wrap {
  flex: 1;
  min-height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: var(--surface-2);
  position: relative;
  overflow: hidden;
  background-image:
    linear-gradient(45deg, rgba(0, 0, 0, 0.06) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(0, 0, 0, 0.06) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(0, 0, 0, 0.06) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(0, 0, 0, 0.06) 75%);
  background-size: 14px 14px;
  background-position: 0 0, 0 7px, 7px -7px, -7px 0px;
}

.editor-enlarged-preview-canvas {
  max-width: 100%;
  max-height: 55vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--r-sm);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
  display: block;
}

body.dark .editor-fs-preview-box,
body.dark .editor-preview-modal-canvas-wrap {
  background-image:
    linear-gradient(45deg, rgba(255, 255, 255, 0.05) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255, 255, 255, 0.05) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(255, 255, 255, 0.05) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(255, 255, 255, 0.05) 75%);
}

body.dark .btn-fs-exit {
  background: rgba(239, 68, 68, 0.14);
  color: #f87171;
  border-color: rgba(239, 68, 68, 0.35);
}

body.dark .btn-fs-exit:hover,
body.dark .btn-fs-exit:active {
  background: #ef4444;
  color: #ffffff;
}

body.dark .btn-fs-ai {
  border-color: rgba(168, 85, 247, 0.4);
  background: rgba(168, 85, 247, 0.15);
  color: #c084fc;
}

body.dark .btn-fs-ai:hover {
  background: rgba(168, 85, 247, 0.25);
  border-color: #c084fc;
  color: #f3e8ff;
}

body.dark .fs-swatch {
  border-color: rgba(255, 255, 255, 0.2);
}

.editor-sidebar {
  width: 380px;
  min-width: 360px;
  padding: var(--s-4);
  border-left: 1px solid var(--border);
  background-color: var(--surface);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  overflow-y: auto;
  overflow-x: hidden;
  flex-shrink: 0;
}

/* Desktop: Tools remain on the RIGHT side as originally designed */
@media (min-width: 861px) {
  .btn-editor-fs {
    display: none !important;
  }

  .editor-fs-topbar {
    display: none !important;
  }
}

.editor-preview-box {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: var(--s-3);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-2);
}

.editor-preview-header {
  display: flex;
  width: 100%;
  justify-content: space-between;
  align-items: center;
}

.editor-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
}

.editor-preview-wrapper {
  width: 120px;
  height: 120px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--surface-2);
  overflow: hidden;
}

.editor-live-preview {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.editor-dim-text {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
}

.editor-num-input {
  width: 68px;
  padding: 2px 6px;
  font-family: var(--mono);
  font-size: 11px;
  text-align: right;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-sm);
  background: var(--surface-2);
  color: var(--text);
}

.editor-num-input:focus {
  background: var(--surface);
  border-color: var(--accent);
}

.btn-block {
  width: 100%;
}

.editor-step1-panel {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}

.editor-straighten-tool-row, .editor-step-back-row {
  margin-top: var(--s-1);
}

.editor-input-wrap {
  display: flex;
  align-items: center;
  gap: var(--s-1);
}

.editor-tools {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}

.editor-control-group {
  display: flex;
  flex-direction: column;
  gap: var(--s-1);
}

.editor-control-header {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--muted);
}

.editor-slider {
  width: 100%;
  accent-color: var(--accent);
  cursor: pointer;
}

.editor-btn-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--s-2);
}

.editor-step3-panel {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}

.editor-bg-palette {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
}

.bg-swatch {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  padding: 0;
  outline: none;
}

.bg-swatch:hover {
  transform: scale(1.15);
}

.bg-swatch.active {
  box-shadow: 0 0 0 2px var(--surface), 0 0 0 4px var(--accent);
  transform: scale(1.1);
}

.bg-swatch-picker {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  background: var(--surface-2);
  border: 1px dashed var(--border-strong);
  position: relative;
  overflow: hidden;
  transition: transform 0.15s ease;
}

.bg-swatch-picker:hover {
  transform: scale(1.15);
}

.color-picker-mini {
  position: absolute;
  opacity: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
}

.brush-mode-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  width: 100%;
}

.brush-mode-group .btn {
  padding: 8px 4px;
  font-size: 12.5px;
  font-weight: 500;
  white-space: nowrap;
  gap: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  box-sizing: border-box;
}

.brush-mode-group .btn.active,
.brush-mode-group .btn[aria-pressed="true"] {
  background-color: var(--accent);
  color: var(--accent-fg);
  border-color: var(--accent);
}

.editor-step3-action-col {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}

.editor-interactive-canvas.brush-mode {
  cursor: crosshair;
}

.editor-options-row {
  display: flex;
  align-items: center;
  font-size: 12px;
  background-color: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 8px 12px;
  box-sizing: border-box;
}

.editor-options-row .editor-checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  width: 100%;
  font-weight: 500;
  color: var(--text);
  user-select: none;
  font-size: 12px;
}

.editor-actions-row {
  display: flex;
  gap: var(--s-2);
  margin-top: auto;
}

.editor-actions-row button {
  flex: 1;
}

/* ── Header Nav ─────────────────────────────────── */
.header-nav {
  display: none;
  align-items: center;
  gap: var(--s-4);
}

@media (min-width: 768px) {
  .header-nav {
    display: flex;
  }
}

.nav-link {
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--t) var(--ease);
}

.nav-link:hover {
  color: var(--text);
}

.nav-pill {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  padding: 3px 10px;
  border-radius: 999px;
  background-color: var(--surface-2);
  border: 1px solid var(--border);
}

.nav-badge-offline {
  font-size: 11px;
  font-weight: 500;
  color: var(--ok);
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid rgba(34, 197, 94, 0.3);
  background-color: rgba(34, 197, 94, 0.08);
}

/* ── Hero ───────────────────────────────────────── */
.hero {
  padding-block: clamp(8px, 1.4vh, 18px);
  max-width: 1240px;
  margin-inline: auto;
  width: 100%;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.5vw, 48px);
  align-items: center;
}

@media (min-width: 960px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: clamp(32px, 4vw, 56px);
  }
}

@media (min-width: 1200px) {
  .hero-grid {
    grid-template-columns: 6.8fr 5.2fr;
    gap: clamp(36px, 4.5vw, 60px);
  }
}

/* Hero copy */
.hero-copy {
  display: flex;
  flex-direction: column;
  gap: clamp(12px, 1.8vh, 20px);
  text-align: left;
  justify-content: center;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #3730a3;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(99, 102, 241, 0.28);
  background-color: rgba(99, 102, 241, 0.08);
  width: fit-content;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.hero-badge i {
  color: currentColor;
  margin-right: 5px;
  font-size: 0.9em;
}

[data-theme="dark"] .hero-badge,
body.dark .hero-badge {
  color: #e0e7ff !important;
  background-color: rgba(99, 102, 241, 0.18) !important;
  border-color: rgba(165, 180, 252, 0.38) !important;
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.2) !important;
}

:root[data-theme="dark"] .hero-badge i,
[data-theme="dark"] .hero-badge i,
body.dark .hero-badge i {
  color: currentColor !important;
}

.dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: currentColor;
  flex-shrink: 0;
}

.hero-title {
  font-size: clamp(30px, 3.1vw, 46px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.025em;
  color: var(--text);
}

[data-theme="dark"] .hero-title,
body.dark .hero-title {
  color: #f8fafc;
}

.hero-sub {
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.6;
  max-width: 58ch;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  width: 100%;
  padding-top: 4px;
}

.hero-ctas .btn-accent,
#heroUploadPhoto {
  padding: 11px 22px;
  height: 46px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  background: linear-gradient(135deg, #2563EB 0%, #4F46E5 100%);
  color: #ffffff !important;
  border: 1px solid rgba(0, 0, 0, 0.1);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.08);
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  white-space: nowrap;
}

.hero-ctas .btn-accent:hover,
#heroUploadPhoto:hover {
  background: linear-gradient(135deg, #1D4ED8 0%, #4338CA 100%);
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.3);
  transform: translateY(-1px);
}

[data-theme="dark"] .hero-ctas .btn-accent,
[data-theme="dark"] #heroUploadPhoto,
body.dark .hero-ctas .btn-accent,
body.dark #heroUploadPhoto {
  background: linear-gradient(135deg, #3B82F6 0%, #6366F1 100%) !important;
  color: #FFFFFF !important;
  border: 1px solid rgba(255, 255, 255, 0.14) !important;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.35) !important;
}

[data-theme="dark"] .hero-ctas .btn-accent:hover,
[data-theme="dark"] #heroUploadPhoto:hover,
body.dark .hero-ctas .btn-accent:hover,
body.dark #heroUploadPhoto:hover {
  background: linear-gradient(135deg, #60A5FA 0%, #818CF8 100%) !important;
  border-color: rgba(255, 255, 255, 0.25) !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.45) !important;
  transform: translateY(-1px);
}

.hero-ctas .btn-secondary {
  padding: 11px 22px;
  height: 46px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border-strong);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  white-space: nowrap;
}

.hero-ctas .btn-secondary:hover {
  background: var(--surface-2);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

.hero-ctas #btnViewPresetsHero,
.hero-ctas .btn-preset-pill,
.hero-ctas .btn-ghost {
  padding: 11px 22px;
  height: 46px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  background: transparent;
  color: var(--text);
  border: 1.5px solid rgba(99, 102, 241, 0.45);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
}

[data-theme="dark"] .hero-ctas #btnViewPresetsHero,
body.dark .hero-ctas #btnViewPresetsHero,
[data-theme="dark"] .hero-ctas .btn-preset-pill,
body.dark .hero-ctas .btn-preset-pill {
  border-color: rgba(129, 140, 248, 0.45);
}

.hero-ctas #btnViewPresetsHero:hover,
.hero-ctas .btn-preset-pill:hover,
.hero-ctas .btn-ghost:hover {
  background: linear-gradient(135deg, #3b82f6 0%, #6366f1 50%, #8b5cf6 100%);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 4px 18px rgba(99, 102, 241, 0.45);
  transform: translateY(-1px);
}

.hero-ctas #btnViewPresetsHero:hover svg,
.hero-ctas .btn-preset-pill:hover svg,
.hero-ctas .btn-ghost:hover svg {
  stroke: #ffffff;
}

/* DUET Presets Pill Button (Mobile Only: Hidden on Desktop) */
.hero-ctas #btnDuetPresetsHero,
.hero-ctas .btn-duet-pill {
  display: none;
}

.hero-ctas #btnDuetPresetsHero i,
.hero-ctas #btnDuetPresetsHero .fa-graduation-cap,
.btn-duet-pill .fa-graduation-cap {
  background: none !important;
  -webkit-background-clip: unset !important;
  -webkit-text-fill-color: currentColor !important;
  color: currentColor !important;
  animation: none !important;
  filter: none !important;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Hero chip row (preset quick-picks) */
.chip-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  padding: 6px 0 12px 0;
  overflow: visible;
}

.chip-row .chip-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  width: 100%;
  overflow: visible;
}

/* All Hero Preset Chips (BCS, Teletalk, DUET): Crisp Clean Border, Smooth Hover Lift */
.chip-row .chip {
  height: 38px;
  min-height: 38px;
  max-height: 38px;
  padding: 0 16px;
  font-size: 12.5px;
  font-weight: 700;
  line-height: 1;
  border-radius: 999px;
  background-color: var(--surface);
  color: var(--text) !important;
  border: 1.5px solid #0f172a;
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.2s cubic-bezier(0.4, 0, 0.2, 1), background-color 0.2s ease, border-color 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  text-align: center;
  white-space: nowrap;
  box-sizing: border-box;
}

[data-theme="dark"] .chip-row .chip,
body.dark .chip-row .chip {
  background-color: #141418;
  color: #f1f5f9 !important;
  border: 1.5px solid rgba(255, 255, 255, 0.28);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
}

.chip-row .chip i {
  font-size: 13px;
}

.chip-row .chip small {
  color: var(--muted) !important;
  font-weight: 500;
  font-size: 11px;
}

.chip-row .chip:hover {
  background-color: var(--surface-2);
  transform: translateY(-2px);
  box-shadow: 0 5px 14px rgba(0, 0, 0, 0.08);
  border-color: #000000;
}

[data-theme="dark"] .chip-row .chip:hover,
body.dark .chip-row .chip:hover {
  background-color: #1c1c22;
  border-color: rgba(255, 255, 255, 0.55);
  box-shadow: 0 5px 16px rgba(0, 0, 0, 0.4);
}

.chip-row .chip:active {
  transform: translateY(0) scale(0.97);
}

/* Hero card (right column) */
.hero-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 30px;
  padding: clamp(22px, 2.6vw, 30px);
  display: flex;
  flex-direction: column;
  gap: clamp(14px, 1.8vh, 18px);
  box-shadow: 0 18px 50px -12px rgba(0, 0, 0, 0.07);
  transition: box-shadow 0.25s ease, transform 0.25s ease;
  max-width: 480px;
  width: 100%;
  margin-inline: auto;
}

.hero-card:hover {
  box-shadow: 0 22px 55px -12px rgba(0, 0, 0, 0.1);
}

/* Segmented control */
.seg {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  background-color: var(--surface-2);
  border-radius: 999px;
  padding: 4px;
  border: 1px solid var(--border);
  gap: 0;
  box-sizing: border-box;
}

/* Sliding pill indicator for Photo / Signature */
.seg-slider {
  position: absolute;
  top: 4px;
  left: 4px;
  width: calc((100% - 8px) / 2);
  height: calc(100% - 8px);
  border-radius: 999px;
  background-color: #ffffff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.05);
  pointer-events: none;
  transform: translateX(0);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1),
              background-color 0.25s ease,
              box-shadow 0.25s ease;
  will-change: transform;
  z-index: 1;
}

[data-theme="dark"] .seg-slider,
body.dark .seg-slider {
  background-color: #27272f;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.45), 0 0 12px rgba(255, 255, 255, 0.05);
}

.seg[data-state="right"] .seg-slider {
  transform: translateX(100%);
}

.seg-btn {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  transition: color 0.25s ease, transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
  white-space: nowrap;
  user-select: none;
  -webkit-user-select: none;
}

.seg-btn.active {
  color: var(--text);
  font-weight: 700;
}

[data-theme="dark"] .seg-btn.active,
body.dark .seg-btn.active {
  color: #ffffff;
}

.seg-btn:not(.active):hover {
  color: var(--text);
}

.seg-btn .dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background-color: var(--accent);
}

/* Dropzone styling */
.dropzone {
  border: 1.5px dashed var(--border-strong);
  border-radius: 20px;
  background-color: var(--surface-2);
  padding: clamp(22px, 3vh, 32px) var(--s-4);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 14px;
  transition: all 0.2s ease;
  cursor: pointer;
}

.dropzone:hover,
.dropzone.drag-active {
  border-color: var(--accent);
  background-color: rgba(37, 99, 235, 0.04);
}

[data-theme="dark"] .dropzone:hover,
body.dark .dropzone:hover,
[data-theme="dark"] .dropzone.drag-active,
body.dark .dropzone.drag-active {
  border-color: var(--accent);
  background-color: rgba(99, 102, 241, 0.08);
}

.dropzone-icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background-color: rgba(37, 99, 235, 0.08);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(37, 99, 235, 0.16);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
  margin-bottom: 0;
  transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

[data-theme="dark"] .dropzone-icon-wrap,
body.dark .dropzone-icon-wrap {
  background-color: rgba(99, 102, 241, 0.14);
  border-color: rgba(99, 102, 241, 0.28);
  color: #a5b4fc;
}

.dropzone:hover .dropzone-icon-wrap {
  transform: scale(1.06);
}

.dropzone-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.dropzone-subtitle {
  display: none;
}

.dropzone-hint {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 0;
}

.dropzone-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
  width: 100%;
}

.dropzone-actions .btn-primary {
  padding: 9px 20px;
  height: 40px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  background-color: #0f172a;
  color: #ffffff;
  border: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.dropzone-actions .btn-primary:hover {
  background-color: #1e293b;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.dropzone-actions .btn-secondary {
  padding: 9px 18px;
  height: 40px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  background-color: var(--surface);
  color: var(--text);
  border: 1px solid var(--border-strong);
  transition: all 0.2s ease;
}

.dropzone-actions .btn-secondary:hover {
  background-color: var(--surface-2);
}

/* Spec-row below dropzone */
.spec-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12.5px;
  color: var(--muted);
  padding-top: 12px;
  border-top: 1px solid var(--border);
  width: 100%;
}

.spec-row span {
  font-weight: 500;
}

.spec-row code {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  background-color: rgba(37, 99, 235, 0.08);
  padding: 2px 8px;
  border-radius: 4px;
}

[data-theme="dark"] .spec-row code,
body.dark .spec-row code {
  background-color: rgba(99, 102, 241, 0.18);
  color: #a5b4fc;
}

/* Privacy line */
.privacy-line {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
}

.privacy-line .dot {
  width: 5px;
  height: 5px;
  border-radius: 999px;
  background-color: var(--accent);
}

/* ── Feature Strip ──────────────────────────────── */
.feature-strip {
  padding-block: clamp(16px, 2.5vh, 28px);
  max-width: 1240px;
  margin-inline: auto;
  width: 100%;
  scroll-margin-top: 80px;
  transition: all 0.3s ease;
}

.feature-strip-header {
  margin-bottom: 18px;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.feature-strip-title {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #312e81;
  background: rgba(99, 102, 241, 0.10);
  border: 1px solid rgba(99, 102, 241, 0.35);
  padding: 6px 16px;
  border-radius: 9999px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
  transition: all 0.3s ease;
}

[data-theme="dark"] .feature-strip-title,
body.dark .feature-strip-title {
  color: #ffffff !important;
  background: rgba(99, 102, 241, 0.22) !important;
  border-color: rgba(165, 180, 252, 0.55) !important;
  box-shadow: 0 0 14px rgba(99, 102, 241, 0.25) !important;
}

.feature-strip-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4f46e5;
  box-shadow: 0 0 8px #4f46e5;
  flex-shrink: 0;
}

[data-theme="dark"] .feature-strip-dot,
body.dark .feature-strip-dot {
  background: #a5b4fc !important;
  box-shadow: 0 0 10px #a5b4fc !important;
}

/* Flash highlight animation for "How It Works" */
@keyframes smoothCardFlash {
  0% {
    transform: translateY(0) scale(1);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    border-color: var(--border);
  }
  30% {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.32), 0 0 0 2px rgba(99, 102, 241, 0.45);
    border-color: rgba(99, 102, 241, 0.75);
  }
  65% {
    transform: translateY(-2px) scale(1.01);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.2), 0 0 0 1px rgba(99, 102, 241, 0.3);
    border-color: rgba(99, 102, 241, 0.5);
  }
  100% {
    transform: translateY(0) scale(1);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    border-color: var(--border);
  }
}

@keyframes smoothTitleFlash {
  0% {
    transform: scale(1);
  }
  30% {
    transform: scale(1.08);
    box-shadow: 0 0 22px rgba(99, 102, 241, 0.55);
  }
  100% {
    transform: scale(1);
  }
}

.feature-strip.flash-highlight article {
  animation: smoothCardFlash 1.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.feature-strip.flash-highlight .feature-strip-title {
  animation: smoothTitleFlash 1.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.feature-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 1.8vw, 24px);
  width: 100%;
}

.feature-strip article {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px 22px;
  border-radius: 20px;
  background-color: var(--surface);
  border: 1px solid var(--border);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
  transition: all 0.2s ease;
}

.feature-strip article:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
  transform: translateY(-2px);
}

.feature-strip b {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background-color: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 14px;
  font-weight: 800;
  flex-shrink: 0;
}

.feature-strip h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.feature-strip p {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--muted);
}



/* 6. Utilities */
.hidden {
  display: none !important;
}

/* 7. Responsive */
@media (max-width: 860px) {
  .workspace-section {
    grid-template-columns: minmax(0, 1fr);
  }

  .preview-split {
    grid-template-columns: minmax(0, 1fr);
    display: flex;
    flex-direction: column;
    gap: var(--s-4);
  }

  .preview-pane {
    flex: none;
    width: 100%;
  }

  .preview-viewport {
    height: 280px;
    min-height: 220px;
    max-height: 42dvh;
  }

  .actions-bar {
    flex-direction: column;
    align-items: stretch;
    gap: var(--s-3);
  }

  .status-chips-section {
    width: 100%;
    justify-content: flex-start;
  }

  .action-buttons-group {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    gap: var(--s-2);
  }

  .action-buttons-group .btn {
    flex: 1 1 140px;
  }

  .action-buttons-group #btnDownload {
    flex: 2 1 100%;
  }

  /* Editor Modal Responsive Layout */
  .editor-modal-overlay {
    padding: 0;
  }

  .editor-modal-dialog {
    width: 100%;
    height: 100dvh;
    max-height: 100dvh;
    border-radius: 0;
    border: none;
  }

  .editor-body {
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
  }

  .editor-viewport-wrapper {
    flex: none;
    width: 100%;
    order: 1;
  }

  .editor-viewport-container {
    height: 38dvh;
    min-height: 200px;
    max-height: 42dvh;
    flex: none;
  }

  .editor-sidebar {
    width: 100%;
    border-left: none;
    border-top: 1px solid var(--border);
    padding: var(--s-4);
    overflow-y: visible;
    flex: none;
    order: 2;
  }

  .btn-editor-fs:not(.hidden) {
    display: inline-flex !important;
  }

  /* Full Screen Mode for Background & Brush on Mobile */
  .editor-modal-dialog.step3-fullscreen-active {
    position: fixed !important;
    inset: 0 !important;
    width: 100vw !important;
    height: 100dvh !important;
    max-height: 100dvh !important;
    border-radius: 0 !important;
    border: none !important;
    margin: 0 !important;
    padding: 0 !important;
    display: flex !important;
    flex-direction: column !important;
    overflow: hidden !important;
    z-index: 1200 !important;
  }

  .editor-modal-dialog.step3-fullscreen-active .editor-header {
    display: none !important;
  }

  .editor-modal-dialog.step3-fullscreen-active .editor-sidebar {
    display: none !important;
  }

  .editor-modal-dialog.step3-fullscreen-active .editor-help-bar {
    display: none !important;
  }

  .editor-modal-dialog.step3-fullscreen-active .editor-body {
    flex: 1 1 0 !important;
    height: 100% !important;
    min-height: 0 !important;
    max-height: 100% !important;
    overflow: hidden !important;
    display: flex !important;
    flex-direction: column !important;
  }

  .editor-modal-dialog.step3-fullscreen-active .editor-viewport-wrapper {
    flex: 1 1 0 !important;
    height: 100% !important;
    min-height: 0 !important;
    max-height: 100% !important;
    overflow: hidden !important;
    display: flex !important;
    flex-direction: column !important;
  }

  .editor-modal-dialog.step3-fullscreen-active .editor-viewport-container {
    flex: 1 1 0 !important;
    height: 100% !important;
    min-height: 0 !important;
    max-height: none !important;
    overflow: hidden !important;
  }

  .editor-actions-row {
    position: sticky;
    bottom: 0;
    background-color: var(--surface);
    padding-top: var(--s-3);
    padding-bottom: max(var(--s-3), env(safe-area-inset-bottom));
    border-top: 1px solid var(--border);
    z-index: 10;
    margin-top: var(--s-3);
    flex-wrap: wrap;
  }
}

@keyframes pulseDot {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.35);
    opacity: 0.65;
  }
}

@media (max-width: 600px) {
  html, body {
    overflow-x: hidden;
    max-width: 100vw;
    width: 100%;
  }

  .main-content {
    width: 100%;
    max-width: 100%;
    padding-inline: 12px;
    padding-block: 8px;
    box-sizing: border-box;
    overflow-x: hidden;
  }

  .site-header {
    padding-top: var(--s-2);
    padding-inline: 12px;
    width: 100%;
    box-sizing: border-box;
  }

  .header-container {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    border-radius: 999px;
    padding: 6px 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 8px 30px -4px rgba(0, 0, 0, 0.05), 0 2px 10px -2px rgba(0, 0, 0, 0.03);
  }

  .header-nav {
    display: none;
  }

  .brand-wrapper {
    min-width: 0;
    flex: 1 1 auto;
    gap: 8px;
  }

  .brand-info {
    min-width: 0;
    gap: 2px;
  }

  .brand-info h1 {
    font-size: 14px;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .brand-tagline {
    font-size: 10.5px;
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .brand-logo {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    padding: 2px;
    background: linear-gradient(135deg, #1e3a8a, #0f172a);
    flex-shrink: 0;
  }

  .header-actions {
    flex-shrink: 0;
    gap: 4px;
  }

  .header-actions .btn {
    height: 30px;
    padding-inline: 8px;
    font-size: 11px;
  }

  .hero {
    padding-block: var(--s-2);
    max-width: 100%;
    width: 100%;
    margin-inline: auto;
    box-sizing: border-box;
  }

  .hero-grid {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 100%;
    gap: 12px;
    box-sizing: border-box;
  }

  .hero-copy {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    gap: 8px;
  }

  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 8px;
    border-radius: 999px;
    font-size: 9.5px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    max-width: 100%;
  }

  .hero-badge .dot {
    width: 5px;
    height: 5px;
    border-radius: 999px;
    background-color: var(--accent);
    animation: pulseDot 2s infinite ease-in-out;
  }

  .hero-title {
    font-size: clamp(19px, 5.5vw, 24px);
    line-height: 1.2;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text);
    word-break: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
  }

  .hero-sub {
    font-size: 11.5px;
    line-height: 1.45;
    color: var(--muted);
    word-break: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
  }

  .chip-row {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    gap: 6px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow-x: auto;
    padding-bottom: 4px;
    margin: 0;
    scrollbar-width: none;
    -ms-overflow-style: none;
    -webkit-overflow-scrolling: touch;
  }

  .chip-row::-webkit-scrollbar {
    display: none;
  }

  .chip-row .chip {
    flex-shrink: 0;
    padding: 4px 9px;
    font-size: 10.5px;
    font-weight: 500;
    border-radius: 999px;
    background-color: var(--surface);
    border: 1px solid var(--border-strong);
    box-shadow: 0 1px 2px rgba(0,0,0,0.04);
  }

  .hero-card {
    border-radius: 20px;
    padding: 12px;
    gap: 10px;
    box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.07), 0 1px 3px rgba(0, 0, 0, 0.05);
    background-color: var(--surface);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .seg {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 100%;
    box-sizing: border-box;
    border-radius: 999px;
    padding: 3px;
    background-color: var(--surface-2);
    border: 1px solid var(--border);
    gap: 0;
  }

  .seg-slider {
    top: 3px;
    left: 3px;
    width: calc((100% - 6px) / 2);
    height: calc(100% - 6px);
  }

  .seg-btn {
    flex: none;
    min-width: 0;
    border-radius: 999px;
    padding: 6px 4px;
    font-size: 11px;
    font-weight: 600;
    text-align: center;
    justify-content: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
  }

  .seg-btn.active {
    background: transparent !important;
    box-shadow: none !important;
    color: var(--text);
    font-weight: 700;
  }

  .dropzone {
    border: 2px dashed var(--border-strong);
    border-radius: 14px;
    padding: 16px 10px;
    gap: 6px;
    background-color: var(--surface-2);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
  }

  .dropzone-icon-wrap {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background-color: rgba(37, 99, 235, 0.08);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2px;
    transition: transform 0.2s ease;
  }

  .dropzone:hover .dropzone-icon-wrap {
    transform: scale(1.05);
  }

  .dropzone-title {
    font-size: 13px;
    font-weight: 700;
    width: 100%;
    text-align: center;
    word-break: break-word;
    overflow-wrap: break-word;
  }

  .dropzone-subtitle {
    display: none;
  }

  .dropzone-hint {
    font-size: 10.5px;
    color: var(--muted);
    margin-bottom: 4px;
    width: 100%;
    text-align: center;
    word-break: break-word;
    overflow-wrap: break-word;
  }

  .dropzone-actions {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    margin-block: 0;
    flex-wrap: wrap;
  }

  .dropzone-actions .btn-primary,
  .dropzone-actions .btn-secondary {
    flex: 1 1 0px;
    width: 100%;
    max-width: 220px;
    height: 38px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    padding: 0 16px;
    box-sizing: border-box;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
  }

  .dropzone-actions .btn-primary {
    box-shadow: 0 4px 12px rgba(0,0,0,0.12);
  }

  .spec-row {
    width: 100%;
    box-sizing: border-box;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 10.5px;
    background-color: var(--surface-2);
    border: 1px solid var(--border);
  }

  .spec-row code {
    background-color: rgba(37, 99, 235, 0.08);
    color: var(--accent);
    font-size: 10.5px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
  }

  .privacy-line {
    width: 100%;
    justify-content: center;
    text-align: center;
    font-size: 9.5px;
    color: var(--muted);
    gap: 5px;
  }

  .feature-strip {
    padding-block: 2px;
    margin-block: 6px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .feature-strip-header {
    margin-bottom: 10px;
    text-align: left;
    display: flex;
    align-items: center;
    justify-content: flex-start;
  }

  .feature-strip-title {
    font-size: 12px;
    padding: 4px 12px;
  }

  .feature-cards {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
    width: 100%;
  }

  .feature-strip article {
    min-width: 0;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 6px 4px;
    gap: 2px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
  }

  .feature-strip article div {
    width: 100%;
    min-width: 0;
  }

  .feature-strip b {
    display: none;
  }

  .feature-strip h3 {
    font-size: 10.5px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 2px;
    white-space: normal;
    line-height: 1.2;
    word-break: break-word;
    overflow-wrap: break-word;
  }

  .feature-strip p {
    font-size: 8.5px;
    line-height: 1.2;
    color: var(--muted);
    word-break: break-word;
    overflow-wrap: break-word;
  }
}

@media (max-width: 560px) {
  .main-content, .header-container, .footer-content {
    padding-inline: var(--s-4);
  }

  .preview-viewport {
    height: 250px;
    min-height: 200px;
    max-height: 40dvh;
  }

  .preview-pane {
    padding: var(--s-3);
    flex: none;
    width: 100%;
  }

  .presets-grid {
    grid-template-columns: 1fr;
  }

  .custom-grid {
    grid-template-columns: 1fr;
  }

  .editor-modal-overlay {
    padding: 0;
    max-width: 100vw;
    overflow-x: hidden;
  }

  .editor-modal-dialog {
    width: 100vw;
    max-width: 100vw;
    overflow-x: hidden;
  }

  .editor-header {
    padding: var(--s-2) var(--s-2);
    box-sizing: border-box;
    width: 100%;
    max-width: 100%;
  }

  .editor-step-tab {
    font-size: 11.5px;
    padding: var(--s-1) 4px;
    gap: 4px;
    white-space: normal;
    line-height: 1.2;
  }

  .editor-sidebar {
    padding: var(--s-3);
  }

  .editor-viewport-container {
    height: 35dvh;
    min-height: 180px;
    max-height: 38dvh;
  }
}

@media (pointer: coarse) {
  .btn, .form-input, .form-select, .tab-btn, .editor-close-btn, .editor-step-tab {
    min-height: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ── Preset Popup Modal ─────────────────────────── */
.preset-popup-overlay {
  position: fixed;
  inset: 0;
  z-index: 9000;
  background-color: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeInOverlay 0.2s ease;
}

.preset-popup-overlay.hidden {
  display: none !important;
}

@keyframes fadeInOverlay {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.preset-popup-dialog {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  width: 100%;
  max-width: 800px;
  height: 580px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.22), 0 8px 24px rgba(0, 0, 0, 0.12);
  animation: slideUpDialog 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  overflow: hidden;
}

@keyframes slideUpDialog {
  from { opacity: 0; transform: translateY(24px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.preset-popup-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 24px 28px 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.preset-popup-title-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.preset-popup-title {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text);
}

.preset-popup-subtitle {
  font-size: 13px;
  color: var(--muted);
}

.preset-popup-close {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color var(--t) var(--ease), color var(--t) var(--ease);
  flex-shrink: 0;
}

.preset-popup-close:hover {
  background-color: var(--border);
  color: var(--text);
}

.preset-popup-tabs {
  display: flex;
  gap: 4px;
  padding: 16px 28px 0;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.preset-popup-tab {
  padding: 10px 20px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--muted);
  border-bottom: 2px solid transparent;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease);
  border-radius: 8px 8px 0 0;
  cursor: pointer;
}

.preset-popup-tab:hover {
  color: var(--text);
  background-color: var(--surface-2);
}

.preset-popup-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  background-color: transparent;
}

.preset-popup-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-auto-rows: max-content;
  align-content: start;
  gap: 12px;
  padding: 20px 24px;
  overflow-y: auto;
  flex: 1 1 0;
  min-height: 0;
  -webkit-overflow-scrolling: touch;
}

.preset-popup-grid::-webkit-scrollbar {
  width: 7px;
}

.preset-popup-grid::-webkit-scrollbar-track {
  background: var(--surface-2);
  border-radius: 4px;
}

.preset-popup-grid::-webkit-scrollbar-thumb {
  background: var(--border-strong, #94a3b8);
  border-radius: 4px;
}

.preset-popup-card {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: stretch;
  gap: 4px;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1.5px solid var(--border);
  background-color: var(--surface);
  cursor: pointer;
  transition: all 0.18s ease;
  position: relative;
  box-sizing: border-box;
  min-height: 84px;
  height: 100%;
  overflow: visible;
  word-break: break-word;
}

.preset-popup-card:hover {
  border-color: var(--accent);
  background-color: var(--surface-2);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.12);
}

.preset-popup-card.gov-card {
  border: 1.5px solid rgba(99, 102, 241, 0.35);
  background: var(--surface);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.preset-popup-card.gov-card:hover {
  border-color: #818cf8;
  background: var(--surface-2);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.22);
  transform: translateY(-2px);
}

[data-theme="dark"] .preset-popup-card.gov-card,
body.dark .preset-popup-card.gov-card {
  border-color: rgba(129, 140, 248, 0.38);
  background: #141416;
}

[data-theme="dark"] .preset-popup-card.gov-card:hover,
body.dark .preset-popup-card.gov-card:hover {
  border-color: #818cf8;
  background: #1c1c22;
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.28);
}

.ppc-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #3730a3;
  background: rgba(99, 102, 241, 0.09);
  border: 1px solid rgba(99, 102, 241, 0.28);
  border-radius: 999px;
  padding: 3px 9px;
  width: fit-content;
  margin-bottom: 3px;
  flex-shrink: 0;
}

[data-theme="dark"] .ppc-badge,
body.dark .ppc-badge {
  color: #e0e7ff;
  background: rgba(99, 102, 241, 0.22);
  border-color: rgba(165, 180, 252, 0.45);
}

.ppc-kind {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  line-height: 1;
  flex-shrink: 0;
}

.ppc-label {
  font-size: 14px;
  font-weight: 800;
  color: var(--text);
  line-height: 1.25;
  margin-top: 1px;
  word-break: break-word;
}

/* Ensure Gov card labels are crisp, bold and high contrast */
.gov-card .ppc-label {
  color: var(--text);
  font-weight: 800;
}

.ppc-dims {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--muted);
  line-height: 1.35;
  margin-top: 1px;
}

.ppc-note {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.35;
  margin-top: 2px;
}

.preset-popup-footer {
  width: 100%;
  flex-shrink: 0;
  padding: 14px 24px;
  border-top: 1px solid var(--border);
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  z-index: 5;
}

.preset-popup-hint {
  font-size: 12.5px;
  color: var(--muted);
  text-align: center;
  margin: 0;
  padding: 0;
  width: 100%;
  display: block;
}

/* ── Mobile mode hero overrides ─────────────────── */
@media (max-width: 600px) {
  /* Hide hero-badge, hero-sub, chip-row on mobile hero */
  .hero-badge {
    display: none;
  }

  .hero-sub {
    display: none;
  }

  .chip-row {
    display: none;
  }

  /* Center hero-copy */
  .hero-copy {
    text-align: center;
    align-items: center;
  }

  /* 3. Hero Headline (Mobile): Bigger headline text */
  .hero-title {
    font-size: clamp(25px, 7.5vw, 32px);
    line-height: 1.2;
    font-weight: 800;
    letter-spacing: -0.025em;
    text-align: center;
    margin-bottom: 4px;
  }

  /* 4. Hero Presets Buttons (Mobile): All Presets on Left, DUET Presets on Right */
  .hero-ctas {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 10px;
    width: 100%;
    max-width: 380px;
    margin: 8px auto 16px auto;
    padding: 0 4px;
    box-sizing: border-box;
  }

  .hero-ctas #heroUploadPhoto,
  .hero-ctas #heroUploadSig {
    display: none;
  }

  .hero-ctas #btnViewPresetsHero,
  .hero-ctas #btnDuetPresetsHero {
    display: inline-flex;
    flex: 1 1 0;
    min-width: 0;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 14px;
    height: 44px;
    font-size: 13px;
    font-weight: 700;
    border-radius: 999px;
    white-space: nowrap;
    cursor: pointer;
    box-sizing: border-box;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .hero-ctas #btnViewPresetsHero {
    background: var(--surface-2);
    border: 1.5px solid var(--border-strong, var(--border));
    color: var(--text);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  }

  .hero-ctas #btnDuetPresetsHero {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 35%, #2563eb 70%, #6366f1 100%);
    background-size: 250% 250%;
    animation: gradientShift 5s ease infinite alternate;
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 0 3px 12px rgba(79, 70, 229, 0.35);
  }

  .hero-ctas #btnDuetPresetsHero i,
  .hero-ctas #btnDuetPresetsHero .fa-graduation-cap {
    background: none !important;
    -webkit-background-clip: unset !important;
    -webkit-text-fill-color: #ffffff !important;
    color: #ffffff !important;
    animation: none !important;
    filter: none !important;
  }

  .hero-ctas #btnViewPresetsHero:active,
  .hero-ctas #btnDuetPresetsHero:active {
    transform: scale(0.97);
  }

  /* Feature strip: stack vertically on mobile */
  .feature-cards {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .feature-strip article {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 12px;
    text-align: left;
    padding: 12px 14px;
  }

  .feature-strip b {
    display: flex;
    width: 30px;
    height: 30px;
    flex-shrink: 0;
    font-size: 13px;
  }

  .feature-strip h3 {
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 2px;
  }

  .feature-strip p {
    font-size: 11.5px;
    line-height: 1.4;
  }

  /* 2. Footer: Ensure footer is PRESENT and scrollable on mobile */
  .site-footer {
    display: block;
    width: 100%;
    padding: 20px 14px 28px;
    margin-top: 24px;
    border-top: 1px solid var(--border);
    background-color: var(--surface);
  }

  .footer-content {
    flex-direction: column;
    gap: 10px;
    align-items: center;
    text-align: center;
  }

  .footer-left,
  .footer-right {
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
    text-align: center;
  }
}

/* Preset popup responsive */
@media (max-width: 680px) {
  .preset-popup-overlay {
    padding: 0;
    align-items: flex-end;
  }

  .preset-popup-dialog {
    border-radius: 20px 20px 0 0;
    width: 100%;
    max-width: 100%;
    height: 85dvh;
    max-height: 85dvh;
    display: flex;
    flex-direction: column;
    margin-top: auto;
  }

  .preset-popup-header {
    padding: 16px 20px 12px;
  }

  .preset-popup-title {
    font-size: 19px;
  }

  .preset-popup-subtitle {
    font-size: 12px;
  }

  .preset-popup-tabs {
    padding: 8px 16px 0;
    gap: 4px;
  }

  .preset-popup-tab {
    padding: 8px 14px;
    font-size: 13px;
  }

  .preset-popup-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-auto-rows: max-content;
    align-content: start;
    padding: 12px 14px;
    gap: 10px;
    flex: 1 1 0;
    min-height: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .preset-popup-card {
    padding: 12px 14px;
    gap: 4px;
    min-height: 76px;
    height: 100%;
    overflow: visible;
  }

  .preset-popup-footer {
    padding: 10px 16px 14px;
  }

  .preset-popup-hint {
    font-size: 11.5px;
  }
}

@media (max-width: 480px) {
  .preset-popup-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: max-content;
    align-content: start;
    padding: 10px 14px;
    gap: 10px;
  }

  .preset-popup-card {
    padding: 12px 14px;
    gap: 4px;
    min-height: 76px;
  }
}

/* ─────────────────────────────────────────────────────────
   Phase 3: Delightful Micro-Interactions & Pro UX
   ───────────────────────────────────────────────────────── */

/* 1. Global Drag-and-Drop Animated Overlay */
.global-drag-overlay {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 100000;
  background: rgba(248, 250, 252, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(16px, 4vw, 40px);
  opacity: 1;
  visibility: visible;
  transition: opacity 0.24s cubic-bezier(0.16, 1, 0.3, 1),
              visibility 0.24s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: auto;
}

[data-theme="dark"] .global-drag-overlay,
body.dark .global-drag-overlay {
  background: rgba(10, 10, 14, 0.82);
}

.global-drag-overlay.hidden {
  display: none !important;
}

.global-drag-box {
  position: relative;
  max-width: 560px;
  width: 100%;
  border-radius: 28px;
  padding: clamp(28px, 5vw, 44px) clamp(20px, 4vw, 36px);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(241, 245, 249, 0.95));
  border: 2px dashed rgba(99, 102, 241, 0.55);
  box-shadow: 0 25px 65px -12px rgba(99, 102, 241, 0.22),
              0 0 35px rgba(99, 102, 241, 0.18);
  animation: dragBoxPulse 2.4s ease-in-out infinite alternate;
  pointer-events: none;
}

[data-theme="dark"] .global-drag-box,
body.dark .global-drag-box {
  background: linear-gradient(145deg, rgba(24, 24, 32, 0.96), rgba(14, 14, 20, 0.98));
  border: 2px dashed rgba(129, 140, 248, 0.65);
  box-shadow: 0 25px 65px -12px rgba(0, 0, 0, 0.8),
              0 0 45px rgba(99, 102, 241, 0.35);
}

.global-drag-icon-glow {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.35) 0%, rgba(139, 92, 246, 0.12) 65%, transparent 100%);
  animation: iconFloat 2s ease-in-out infinite alternate;
}

.global-drag-icon {
  font-size: 42px;
  background: linear-gradient(135deg, #818cf8, #c084fc, #38bdf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 4px 12px rgba(99, 102, 241, 0.4));
}

.global-drag-title {
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #0f172a;
  margin: 0;
  line-height: 1.25;
}

[data-theme="dark"] .global-drag-title,
body.dark .global-drag-title {
  color: #f8fafc;
}

.global-drag-sub {
  font-size: clamp(13px, 1.8vw, 15px);
  color: #475569;
  margin: 0;
  max-width: 440px;
  line-height: 1.5;
}

[data-theme="dark"] .global-drag-sub,
body.dark .global-drag-sub {
  color: #94a3b8;
}

.global-drag-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 6px;
}

.global-drag-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.22);
  color: #4338ca;
}

[data-theme="dark"] .global-drag-badge,
body.dark .global-drag-badge {
  background: rgba(99, 102, 241, 0.18);
  border-color: rgba(129, 140, 248, 0.35);
  color: #c7d2fe;
}

@keyframes dragBoxPulse {
  0% {
    transform: scale(0.985);
    box-shadow: 0 20px 50px -10px rgba(0, 0, 0, 0.5), 0 0 25px rgba(99, 102, 241, 0.25);
    border-color: rgba(99, 102, 241, 0.5);
  }
  100% {
    transform: scale(1.015);
    box-shadow: 0 28px 70px -10px rgba(0, 0, 0, 0.6), 0 0 50px rgba(139, 92, 246, 0.5);
    border-color: rgba(168, 85, 247, 0.85);
  }
}

@keyframes iconFloat {
  0% { transform: translateY(0); }
  100% { transform: translateY(-7px); }
}

/* 2. Preview Pane Actions & Hold to Compare */
.preview-pane-actions {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-wrap: nowrap !important;
  flex-shrink: 0;
}

.preview-pane-actions .btn {
  height: 28px;
  padding: 0 9px;
  font-size: 11.5px;
  font-weight: 600;
  border-radius: 7px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  white-space: nowrap;
  box-sizing: border-box;
  line-height: 1;
}

#btnHoldCompare {
  border: 1px solid rgba(99, 102, 241, 0.35);
  background: rgba(99, 102, 241, 0.1);
  color: var(--text);
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  transition: all 0.18s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] #btnHoldCompare,
body.dark #btnHoldCompare {
  background: rgba(99, 102, 241, 0.14);
  border-color: rgba(99, 102, 241, 0.4);
  color: #e2e8f0;
}

#btnHoldCompare:hover:not(:disabled) {
  background: rgba(99, 102, 241, 0.22);
  border-color: rgba(99, 102, 241, 0.65);
  color: #818cf8;
}

#btnHoldCompare:active,
#btnHoldCompare.is-comparing {
  background: linear-gradient(135deg, #6366f1, #8b5cf6) !important;
  color: #ffffff !important;
  border-color: transparent !important;
  transform: scale(0.96);
  box-shadow: 0 0 16px rgba(99, 102, 241, 0.6);
}

#btnHoldCompare:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

#btnToggleZoom {
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  transition: all 0.18s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] #btnToggleZoom,
body.dark #btnToggleZoom {
  background: rgba(30, 41, 59, 0.6);
  border-color: rgba(148, 163, 184, 0.25);
  color: #e2e8f0;
}

#btnToggleZoom:hover:not(:disabled) {
  background: var(--surface-2);
  border-color: var(--border);
  color: var(--accent);
}

#btnToggleZoom.active,
#btnToggleZoom:active {
  background: rgba(99, 102, 241, 0.14);
  border-color: rgba(99, 102, 241, 0.5);
  color: #818cf8;
}

#btnToggleZoom:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

/* Adaptive Labels: Show full text by default */
.preview-pane-actions .btn-text-short {
  display: none !important;
}

.preview-pane-actions .btn-text-full {
  display: inline !important;
}

/* Container Query: Whenever preview pane is narrow (<= 380px), switch to short labels so everything sits on 1 line */
@container previewPane (max-width: 380px) {
  .preview-pane-title-row {
    gap: 6px;
  }

  .preview-pane-title {
    font-size: 12.5px;
  }

  .preview-pane-actions {
    gap: 5px;
  }

  .preview-pane-actions .btn {
    height: 27px;
    padding: 0 7px;
    font-size: 11px;
    gap: 4px;
  }

  .preview-pane-actions .btn-text-full {
    display: none !important;
  }

  .preview-pane-actions .btn-text-short {
    display: inline !important;
  }
}

/* Media Query fallback for narrow mobile screens */
@media (max-width: 480px) {
  .preview-pane-title-row {
    gap: 6px;
  }

  .preview-pane-title {
    font-size: 12px;
  }

  .preview-pane-actions {
    gap: 4px;
  }

  .preview-pane-actions .btn {
    height: 26px;
    padding: 0 6px;
    font-size: 10.5px;
    gap: 3px;
  }

  .preview-pane-actions .btn-text-full {
    display: none !important;
  }

  .preview-pane-actions .btn-text-short {
    display: inline !important;
  }
}

.comparing-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 25;
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(225, 29, 72, 0.9);
  color: #ffffff;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow: 0 4px 14px rgba(225, 29, 72, 0.45);
  pointer-events: none;
  animation: comparingBadgePulse 1.2s ease-in-out infinite alternate;
}

@keyframes comparingBadgePulse {
  0% { transform: scale(0.97); opacity: 0.9; }
  100% { transform: scale(1.03); opacity: 1; }
}

/* ─────────────────────────────────────────────────────────
   Bulletproof Toast Notification System
   ───────────────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
  max-width: min(420px, calc(100vw - 32px));
}

.toast {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  border-radius: 12px;
  font-size: 13.5px;
  font-weight: 500;
  line-height: 1.4;
  color: #ffffff;
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.4), 0 0 15px rgba(99, 102, 241, 0.2);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  pointer-events: auto;
  animation: toastSlideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

[data-theme="light"] .toast {
  background: rgba(255, 255, 255, 0.96);
  color: #0f172a;
  border-color: rgba(0, 0, 0, 0.08);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.12), 0 0 15px rgba(99, 102, 241, 0.15);
}

.toast.toast-success {
  border-left: 4px solid #10b981;
}

.toast.toast-error {
  border-left: 4px solid #ef4444;
}

.toast.toast-warn {
  border-left: 4px solid #f59e0b;
}

.toast.toast-info {
  border-left: 4px solid #6366f1;
}

.toast-icon {
  font-size: 16px;
  flex-shrink: 0;
}

.toast-success .toast-icon { color: #10b981; }
.toast-error .toast-icon { color: #ef4444; }
.toast-warn .toast-icon { color: #f59e0b; }
.toast-info .toast-icon { color: #6366f1; }

.toast-message {
  flex: 1;
}

.toast.toast-hiding {
  opacity: 0;
  transform: translateY(12px) scale(0.96);
}

@keyframes toastSlideIn {
  from {
    opacity: 0;
    transform: translateY(18px) scale(0.94);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ─────────────────────────────────────────────────────────
   Custom Scrollbar & Accessible Focus Rings
   ───────────────────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.35);
  border-radius: 999px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(99, 102, 241, 0.6);
}

:focus-visible {
  outline: 2px solid #6366f1 !important;
  outline-offset: 2px !important;
}

/* Offline pulsing dot indicator */
.nav-badge-offline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.nav-badge-offline::before {
  content: '';
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: #10b981;
  box-shadow: 0 0 8px #10b981;
  animation: pulseOfflineDot 2s infinite;
}

@keyframes pulseOfflineDot {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.25); opacity: 1; box-shadow: 0 0 12px #10b981; }
  100% { transform: scale(0.95); opacity: 0.8; }
}