/* ==========================================================================
   MessToCal - Material Design 3 (M3) Stylesheet
   Modern, Responsive, Light/Dark Modes, Accessible
   ========================================================================== */

:root {
  /* Material Design 3 Baseline Light Color Tokens */
  --md-sys-color-primary: #0b57d0;
  --md-sys-color-on-primary: #ffffff;
  --md-sys-color-primary-container: #d3e3fd;
  --md-sys-color-on-primary-container: #041e49;

  --md-sys-color-secondary: #00639b;
  --md-sys-color-on-secondary: #ffffff;
  --md-sys-color-secondary-container: #c2e7ff;
  --md-sys-color-on-secondary-container: #001d35;

  --md-sys-color-tertiary: #6750a4;
  --md-sys-color-on-tertiary: #ffffff;
  --md-sys-color-tertiary-container: #eaddff;
  --md-sys-color-on-tertiary-container: #21005d;

  --md-sys-color-surface: #f8f9fa;
  --md-sys-color-on-surface: #1f1f1f;
  --md-sys-color-surface-variant: #e1e3e1;
  --md-sys-color-on-surface-variant: #444746;
  --md-sys-color-surface-container: #f0f4f9;
  --md-sys-color-surface-container-high: #e9eef6;
  --md-sys-color-surface-container-highest: #dde3ea;

  --md-sys-color-outline: #747775;
  --md-sys-color-outline-variant: #c4c7c5;

  --md-sys-color-error: #ba1a1a;
  --md-sys-color-on-error: #ffffff;
  --md-sys-color-error-container: #ffdad6;
  --md-sys-color-on-error-container: #410002;

  --md-sys-color-success: #00875a;
  --md-sys-color-success-container: #cfffe5;

  --md-sys-color-google-calendar: #4285f4;
  --md-sys-color-outlook: #0078d4;
  --md-sys-color-yahoo: #6001d2;
  --md-sys-color-apple: #000000;
  --md-sys-color-messenger: #0084ff;

  /* Elevation / Shadows */
  --md-sys-elevation-1: 0 1px 3px 1px rgba(0,0,0,0.15), 0 1px 2px 0 rgba(0,0,0,0.30);
  --md-sys-elevation-2: 0 2px 6px 2px rgba(0,0,0,0.15), 0 1px 2px 0 rgba(0,0,0,0.30);
  --md-sys-elevation-3: 0 4px 8px 3px rgba(0,0,0,0.15), 0 1px 3px 0 rgba(0,0,0,0.30);

  /* Shape tokens */
  --md-shape-corner-extra-small: 4px;
  --md-shape-corner-small: 8px;
  --md-shape-corner-medium: 12px;
  --md-shape-corner-large: 16px;
  --md-shape-corner-extra-large: 28px;
  --md-shape-corner-full: 9999px;

  /* Transitions */
  --md-transition-standard: 200ms cubic-bezier(0.2, 0, 0, 1);
  --md-transition-emphasized: 300ms cubic-bezier(0.2, 0, 0, 1);
}

[data-theme="dark"] {
  /* Material Design 3 Baseline Dark Color Tokens */
  --md-sys-color-primary: #a8c7fa;
  --md-sys-color-on-primary: #041e49;
  --md-sys-color-primary-container: #0842a0;
  --md-sys-color-on-primary-container: #d3e3fd;

  --md-sys-color-secondary: #7fcfff;
  --md-sys-color-on-secondary: #003355;
  --md-sys-color-secondary-container: #004a77;
  --md-sys-color-on-secondary-container: #c2e7ff;

  --md-sys-color-tertiary: #d0bcff;
  --md-sys-color-on-tertiary: #381e72;
  --md-sys-color-tertiary-container: #4f378b;
  --md-sys-color-on-tertiary-container: #eaddff;

  --md-sys-color-surface: #111318;
  --md-sys-color-on-surface: #e2e2e6;
  --md-sys-color-surface-variant: #44474e;
  --md-sys-color-on-surface-variant: #c4c7c5;
  --md-sys-color-surface-container: #1b1f24;
  --md-sys-color-surface-container-high: #262a30;
  --md-sys-color-surface-container-highest: #31353c;

  --md-sys-color-outline: #8e918f;
  --md-sys-color-outline-variant: #444746;

  --md-sys-color-apple: #ffffff;
}

/* ==========================================================================
   Base Styles & Reset
   ========================================================================== */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background-color: #f8fafc;
  background-image: 
    radial-gradient(at 0% 0%, rgba(11, 87, 208, 0.07) 0px, transparent 50%),
    radial-gradient(at 100% 0%, rgba(168, 85, 247, 0.08) 0px, transparent 50%),
    radial-gradient(at 50% 100%, rgba(14, 165, 233, 0.06) 0px, transparent 50%);
  background-attachment: fixed;
  color: var(--md-sys-color-on-surface);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color var(--md-transition-standard), color var(--md-transition-standard);
}

[data-theme="dark"] body {
  background-color: #0b0d13;
  background-image: 
    radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.12) 0px, transparent 50%),
    radial-gradient(at 100% 0%, rgba(168, 85, 247, 0.14) 0px, transparent 50%),
    radial-gradient(at 50% 100%, rgba(14, 165, 233, 0.10) 0px, transparent 50%);
  background-attachment: fixed;
}

/* Material Icons shorthand (Immune to translation corruption) */
.material-symbols-outlined {
  font-family: 'Material Symbols Outlined' !important;
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  vertical-align: middle;
  font-feature-settings: 'liga';
  -webkit-font-feature-settings: 'liga';
}

.notranslate, [translate="no"] {
  -webkit-user-select: auto;
}

/* ==========================================================================
   Top App Bar & Google Translate Integration
   ========================================================================== */

/* Top App Bar with Modern Frosted Glass Design */
.app-bar {
  background: rgba(255, 255, 255, 0.8);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 10px rgba(0, 0, 0, 0.03);
}

[data-theme="dark"] .app-bar {
  background: rgba(15, 18, 26, 0.8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  box-shadow: 0 1px 15px rgba(0, 0, 0, 0.3);
}

.app-bar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.65rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: inherit;
  transition: opacity 0.2s ease;
}

.brand-section:hover {
  opacity: 0.9;
}

.brand-logo {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(11, 87, 208, 0.2);
}

.brand-titles {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--md-sys-color-primary);
  letter-spacing: -0.4px;
  line-height: 1.2;
}

.brand-subtitle {
  font-size: 0.72rem;
  color: var(--md-sys-color-on-surface-variant);
  font-weight: 500;
  letter-spacing: -0.1px;
}

.top-bar-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Mode Toggle Button (Pill Style) */
.mode-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 13px;
  background: rgba(11, 87, 208, 0.08);
  color: var(--md-sys-color-primary);
  border: 1px solid rgba(11, 87, 208, 0.2);
  border-radius: var(--md-shape-corner-full);
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.mode-toggle-btn:hover {
  background: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
  border-color: var(--md-sys-color-primary);
  transform: translateY(-1px);
}

.mode-toggle-btn .material-symbols-outlined {
  font-size: 18px;
}

/* Google Translate Integration Box */
.translate-wrapper {
  display: flex;
  align-items: center;
  background: var(--md-sys-color-surface-container);
  border: 1px solid var(--md-sys-color-outline-variant);
  padding: 4px 10px;
  border-radius: var(--md-shape-corner-full);
  font-size: 0.8rem;
  min-height: 34px;
  transition: all 0.2s ease;
}

.translate-wrapper:hover {
  border-color: var(--md-sys-color-primary);
}

.translate-icon {
  font-size: 17px;
  color: var(--md-sys-color-primary);
  margin-right: 4px;
}

#google_translate_element select {
  background: transparent;
  border: none;
  color: var(--md-sys-color-on-surface);
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 500;
  outline: none;
  cursor: pointer;
}

/* Top bar icon buttons */
.icon-btn {
  background: var(--md-sys-color-surface-container);
  border: 1px solid var(--md-sys-color-outline-variant);
  color: var(--md-sys-color-on-surface-variant);
  width: 36px;
  height: 36px;
  border-radius: var(--md-shape-corner-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.icon-btn .material-symbols-outlined {
  font-size: 20px;
}

.icon-btn:hover {
  background-color: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
  border-color: var(--md-sys-color-primary);
}

/* PWA Install Button */
.install-pwa-btn {
  display: none;
  align-items: center;
  gap: 0.4rem;
  background: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-on-secondary-container);
  border: 1px solid var(--md-sys-color-secondary);
  padding: 6px 12px;
  border-radius: var(--md-shape-corner-full);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.install-pwa-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--md-sys-elevation-1);
}

/* ==========================================================================
   Modern Notification & Suggestion Banners
   ========================================================================== */

.simple-prompt-card {
  background: linear-gradient(135deg, rgba(238, 242, 255, 0.85) 0%, rgba(243, 232, 255, 0.75) 100%);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: 16px;
  padding: 12px 18px;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.06);
  transition: all 0.25s ease;
}

[data-theme="dark"] .simple-prompt-card {
  background: linear-gradient(135deg, rgba(30, 27, 75, 0.6) 0%, rgba(24, 24, 45, 0.7) 100%);
  border: 1px solid rgba(129, 140, 248, 0.25);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.simple-prompt-content {
  display: flex;
  align-items: center;
  gap: 12px;
  text-align: left;
}

.simple-prompt-icon {
  font-size: 22px;
  color: #4f46e5;
  background: rgba(99, 102, 241, 0.12);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  flex-shrink: 0;
}

[data-theme="dark"] .simple-prompt-icon {
  color: #a5b4fc;
  background: rgba(99, 102, 241, 0.25);
}

.simple-prompt-text strong {
  font-size: 0.9rem;
  color: #312e81;
  display: block;
}

[data-theme="dark"] .simple-prompt-text strong {
  color: #e0e7ff;
}

.simple-prompt-text p {
  font-size: 0.82rem;
  color: #4338ca;
  margin: 1px 0 0 0;
}

[data-theme="dark"] .simple-prompt-text p {
  color: #c7d2fe;
}

.simple-prompt-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.btn-activate-simple {
  background: #4f46e5;
  color: #ffffff;
  border: none;
  padding: 7px 15px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
  box-shadow: 0 2px 8px rgba(79, 70, 229, 0.25);
}

.btn-activate-simple:hover {
  background: #4338ca;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.35);
}

.btn-dismiss-banner {
  background: transparent;
  border: none;
  color: #6b7280;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-dismiss-banner .material-symbols-outlined {
  font-size: 18px;
}

.btn-dismiss-banner:hover {
  background: rgba(0, 0, 0, 0.06);
  color: #111827;
}

[data-theme="dark"] .btn-dismiss-banner:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

/* Senior & Cookie Alert Cards */
.senior-welcome-banner {
  background: linear-gradient(135deg, rgba(240, 253, 244, 0.9) 0%, rgba(220, 252, 231, 0.8) 100%);
  border: 1.5px solid #22c55e;
  border-radius: 18px;
  padding: 16px 20px;
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 20px rgba(34, 197, 94, 0.1);
}

.cookie-alert-card {
  background: rgba(254, 243, 199, 0.9);
  border: 1.5px solid #f59e0b;
  border-radius: 14px;
  padding: 12px 18px;
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.1);
}

/* ==========================================================================
   Main Layout & Container
   ========================================================================== */

.main-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 4rem;
  width: 100%;
  flex: 1;
}

/* Hero Section */
.hero-banner {
  text-align: center;
  margin-bottom: 2rem;
}

.hero-title {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--md-sys-color-on-surface);
  margin-bottom: 0.5rem;
}

.hero-title span {
  background: linear-gradient(135deg, var(--md-sys-color-primary) 0%, var(--md-sys-color-tertiary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1rem;
  color: var(--md-sys-color-on-surface-variant);
  max-width: 720px;
  margin: 0 auto;
}

/* Two Column Grid */
.grid-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.5rem;
  align-items: start;
}

@media (max-width: 900px) {
  .grid-layout {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   M3 Cards & Panels (Ultra Glassmorphic Elegance)
   ========================================================================== */

.m3-card {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-radius: 20px;
  border: 1.5px solid rgba(255, 255, 255, 0.8);
  padding: 1.75rem;
  position: relative;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04), 0 1px 3px rgba(0, 0, 0, 0.02);
  transition: all 0.3s ease;
}

[data-theme="dark"] .m3-card {
  background: rgba(23, 27, 34, 0.82);
  border: 1.5px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.m3-card.elevated {
  background: rgba(255, 255, 255, 0.90);
  box-shadow: 0 14px 36px rgba(11, 87, 208, 0.08), 0 2px 8px rgba(0, 0, 0, 0.04);
}

[data-theme="dark"] .m3-card.elevated {
  background: rgba(26, 31, 39, 0.88);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.55);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.card-title {
  font-size: 1.2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--md-sys-color-on-surface);
  letter-spacing: -0.3px;
}

.card-title .material-symbols-outlined {
  color: var(--md-sys-color-primary);
  font-size: 26px;
}

/* Preset Chips Bar */
.chips-section {
  margin-bottom: 1rem;
}

.chips-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--md-sys-color-on-surface-variant);
  margin-bottom: 0.5rem;
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.chips-container {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.m3-chip {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--md-sys-color-outline-variant);
  color: var(--md-sys-color-on-surface);
  border-radius: var(--md-shape-corner-full);
  padding: 7px 14px;
  font-size: 0.82rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
  user-select: none;
}

[data-theme="dark"] .m3-chip {
  background: rgba(30, 36, 46, 0.7);
}

.m3-chip:hover {
  background: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(11, 87, 208, 0.18);
  border-color: transparent;
}

.m3-chip.active {
  background: linear-gradient(135deg, #0b57d0 0%, #3b82f6 100%);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 4px 14px rgba(11, 87, 208, 0.35);
}

/* VIP Access & Parking Badge */
.vip-access-card {
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.15) 0%, rgba(245, 158, 11, 0.10) 100%);
  border: 1.5px solid rgba(245, 158, 11, 0.5);
  border-radius: 12px;
  padding: 12px 16px;
  margin-top: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  animation: fadeIn 0.3s ease;
}

[data-theme="dark"] .vip-access-card {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.20) 0%, rgba(180, 83, 9, 0.15) 100%);
  border-color: rgba(245, 158, 11, 0.4);
}

/* ==========================================================================
   Textarea & Form Elements
   ========================================================================== */

.textarea-wrapper {
  position: relative;
  margin-bottom: 1.25rem;
}

.m3-textarea {
  width: 100%;
  min-height: 180px;
  padding: 1rem;
  border-radius: var(--md-shape-corner-medium);
  border: 1.5px solid var(--md-sys-color-outline-variant);
  background-color: var(--md-sys-color-surface);
  color: var(--md-sys-color-on-surface);
  font-family: inherit;
  font-size: 0.95rem;
  line-height: 1.5;
  resize: vertical;
  outline: none;
  transition: border-color var(--md-transition-standard), box-shadow var(--md-transition-standard);
}

.m3-textarea:focus {
  border-color: var(--md-sys-color-primary);
  box-shadow: 0 0 0 3px rgba(11, 87, 208, 0.15);
}

.textarea-actions {
  position: absolute;
  bottom: 12px;
  right: 12px;
  display: flex;
  gap: 6px;
}

.mini-action-btn {
  background: var(--md-sys-color-surface-container-high);
  border: 1px solid var(--md-sys-color-outline-variant);
  color: var(--md-sys-color-on-surface-variant);
  padding: 4px 8px;
  border-radius: var(--md-shape-corner-small);
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
}

.mini-action-btn:hover {
  background: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
}

/* Primary Parse Action Button */
.action-row {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.btn-primary {
  background-color: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
  border: none;
  border-radius: var(--md-shape-corner-full);
  padding: 0.85rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  cursor: pointer;
  box-shadow: var(--md-sys-elevation-1);
  transition: all var(--md-transition-standard);
  flex: 1;
}

.btn-primary:hover {
  box-shadow: var(--md-sys-elevation-2);
  filter: brightness(1.05);
}

.btn-tonal {
  background-color: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-on-secondary-container);
  border: none;
  border-radius: var(--md-shape-corner-full);
  padding: 0.85rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: all var(--md-transition-standard);
}

.btn-tonal:hover {
  filter: brightness(0.96);
}

/* ==========================================================================
   Output / Structured Event Form
   ========================================================================== */

.parsed-result-card {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.event-banner-tag {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
  padding: 0.6rem 1rem;
  border-radius: var(--md-shape-corner-medium);
  font-size: 0.85rem;
  font-weight: 600;
}

.countdown-chip {
  background: rgba(255,255,255,0.4);
  padding: 2px 8px;
  border-radius: var(--md-shape-corner-full);
  font-size: 0.78rem;
}

/* Editable Form Fields */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.full-width {
  grid-column: 1 / -1;
}

.m3-field-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.m3-field-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--md-sys-color-on-surface-variant);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.m3-input {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border-radius: var(--md-shape-corner-small);
  border: 1.5px solid var(--md-sys-color-outline-variant);
  background-color: var(--md-sys-color-surface);
  color: var(--md-sys-color-on-surface);
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--md-transition-standard);
}

.m3-input:focus {
  border-color: var(--md-sys-color-primary);
}

/* Location Helper Actions */
.location-helpers {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.35rem;
  flex-wrap: wrap;
}

.helper-chip-btn {
  background: var(--md-sys-color-surface);
  border: 1px dashed var(--md-sys-color-outline);
  color: var(--md-sys-color-on-surface-variant);
  border-radius: var(--md-shape-corner-full);
  padding: 3px 10px;
  font-size: 0.75rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.helper-chip-btn:hover {
  background: var(--md-sys-color-surface-container-highest);
  color: var(--md-sys-color-primary);
  border-color: var(--md-sys-color-primary);
}

/* ==========================================================================
   Calendar Export Buttons Section
   ========================================================================== */

.export-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.cal-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1rem;
  border-radius: var(--md-shape-corner-medium);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all var(--md-transition-standard);
  text-align: center;
}

.cal-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--md-sys-elevation-2);
}

.cal-btn-google {
  background-color: #4285f4;
  color: #ffffff;
}

.cal-btn-outlook {
  background-color: #0078d4;
  color: #ffffff;
}

.cal-btn-yahoo {
  background-color: #6001d2;
  color: #ffffff;
}

.cal-btn-apple {
  background-color: #24292e;
  color: #ffffff;
}

[data-theme="dark"] .cal-btn-apple {
  background-color: #3b4252;
}

.cal-btn-messenger {
  background-color: #0084ff;
  color: #ffffff;
}

.cal-btn-qr {
  background-color: var(--md-sys-color-tertiary-container);
  color: var(--md-sys-color-on-tertiary-container);
}

/* Extra useful share buttons */
.share-actions-row {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-top: 0.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--md-sys-color-outline-variant);
}

/* ==========================================================================
   QR Code Modal
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 999;
  backdrop-filter: blur(4px);
}

.modal-backdrop.open {
  display: flex;
}

.modal-box {
  background: var(--md-sys-color-surface);
  border-radius: var(--md-shape-corner-extra-large);
  padding: 2rem;
  max-width: 380px;
  width: 90%;
  text-align: center;
  box-shadow: var(--md-sys-elevation-3);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

#qrcode-container {
  padding: 12px;
  background: white;
  border-radius: var(--md-shape-corner-large);
  display: inline-block;
  box-shadow: var(--md-sys-elevation-1);
}

.modal-close-btn {
  background: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
  border: none;
  padding: 0.6rem 1.5rem;
  border-radius: var(--md-shape-corner-full);
  font-weight: 600;
  cursor: pointer;
}

/* ==========================================================================
   Voice Dictation & Live Detection Badges (Green Indicator Checklist)
   ========================================================================== */

.voice-tools-row {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.btn-voice {
  background: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
  border: 1.5px solid var(--md-sys-color-primary);
  border-radius: var(--md-shape-corner-full);
  padding: 0.65rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: all var(--md-transition-standard);
  user-select: none;
}

.btn-voice:hover {
  filter: brightness(0.95);
  transform: translateY(-1px);
}

.btn-voice.recording-active {
  background: #ffdad6 !important;
  color: #ba1a1a !important;
  border-color: #ba1a1a !important;
  animation: micPulse 1.4s infinite;
}

@keyframes micPulse {
  0% { box-shadow: 0 0 0 0 rgba(186, 26, 26, 0.5); }
  70% { box-shadow: 0 0 0 14px rgba(186, 26, 26, 0); }
  100% { box-shadow: 0 0 0 0 rgba(186, 26, 26, 0); }
}

/* Real-Time Detection Checklist */
.detection-checklist-container {
  background: var(--md-sys-color-surface);
  border: 1.5px solid var(--md-sys-color-outline-variant);
  border-radius: var(--md-shape-corner-medium);
  padding: 0.9rem 1rem;
  margin-bottom: 1.25rem;
}

.checklist-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--md-sys-color-on-surface);
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.6rem;
}

.badges-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.5rem;
}

.status-badge {
  background: var(--md-sys-color-surface-container);
  border: 1px solid var(--md-sys-color-outline-variant);
  color: var(--md-sys-color-on-surface-variant);
  border-radius: var(--md-shape-corner-full);
  padding: 5px 11px;
  font-size: 0.76rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  opacity: 0.75;
}

/* Vibrant Green Detected State */
.status-badge.detected {
  background: #cfffe5 !important;
  border-color: #00875a !important;
  color: #004b31 !important;
  opacity: 1;
  font-weight: 700;
  transform: scale(1.03);
  box-shadow: 0 2px 6px rgba(0, 135, 90, 0.2);
  animation: badgePop 0.3s ease;
}

[data-theme="dark"] .status-badge.detected {
  background: #004b31 !important;
  border-color: #74ffb9 !important;
  color: #cfffe5 !important;
}

.status-badge .material-symbols-outlined {
  font-size: 15px;
}

.detection-hint {
  font-size: 0.75rem;
  color: var(--md-sys-color-on-surface-variant);
  font-style: italic;
  display: flex;
  align-items: center;
  gap: 4px;
}

.detection-hint.complete {
  color: var(--md-sys-color-success);
  font-weight: 600;
  font-style: normal;
}

@keyframes badgePop {
  0% { transform: scale(0.9); }
  50% { transform: scale(1.08); }
  100% { transform: scale(1.03); }
}

/* ==========================================================================
   3D Interactive Envelope Animation Styles
   ========================================================================== */

.envelope-3d-wrapper {
  perspective: 1200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 1.5rem 0;
  user-select: none;
}

.envelope-card-container {
  position: relative;
  width: 320px;
  height: 220px;
  background: #0b57d0;
  border-radius: 12px;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.35);
  transform-style: preserve-3d;
}

.env-back {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #073b91;
  border-radius: 12px;
}

.env-invitation-slip {
  position: absolute;
  top: 20px;
  left: 20px;
  width: 280px;
  height: 180px;
  background: #ffffff;
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
  z-index: 3;
  transition: transform 0.85s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
}

.slip-header { font-size: 10px; font-weight: 700; color: #0b57d0; letter-spacing: 1px; }
.slip-title { font-size: 18px; font-weight: 800; color: #1f1f1f; margin: 4px 0; }
.slip-date { font-size: 13px; font-weight: 600; color: #00639b; }
.slip-time { font-size: 12px; color: #444746; }
.slip-loc { font-size: 11px; color: #ba1a1a; margin-top: 2px; }

.env-front-left {
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 0;
  border-left: 160px solid #1462df;
  border-top: 110px solid transparent;
  border-bottom: 110px solid transparent;
  z-index: 4;
}

.env-front-right {
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-right: 160px solid #1462df;
  border-top: 110px solid transparent;
  border-bottom: 110px solid transparent;
  z-index: 4;
}

.env-front-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 0;
  border-bottom: 120px solid #1a73e8;
  border-left: 160px solid transparent;
  border-right: 160px solid transparent;
  border-radius: 0 0 12px 12px;
  z-index: 5;
}

.env-top-flap {
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 0;
  border-top: 120px solid #0b57d0;
  border-left: 160px solid transparent;
  border-right: 160px solid transparent;
  transform-origin: top;
  transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 6;
}

.wax-seal {
  position: absolute;
  top: -85px;
  left: -24px;
  width: 48px;
  height: 48px;
  background: radial-gradient(circle, #b8860b 0%, #d4af37 60%, #8b6508 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
  cursor: pointer;
  animation: pulseSeal 1.8s infinite;
  transition: transform 0.2s ease;
}

.wax-seal:hover {
  transform: scale(1.15);
}

@keyframes pulseSeal {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(212, 175, 55, 0.7); }
  70% { transform: scale(1.05); box-shadow: 0 0 0 12px rgba(212, 175, 55, 0); }
  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(212, 175, 55, 0); }
}

/* OPENED STATE */
.envelope-3d-wrapper.opened .env-top-flap {
  transform: rotateX(180deg);
  z-index: 2;
}

.envelope-3d-wrapper.opened .env-invitation-slip {
  transform: translateY(-130px);
  z-index: 7;
}

.envelope-tap-prompt {
  margin-top: 1.25rem;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--md-sys-color-primary);
  text-align: center;
}

/* Accordion Collapsible Tools */
.smart-tools-accordion {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.accordion-item {
  background: var(--md-sys-color-surface-container);
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--md-shape-corner-medium);
  overflow: hidden;
}

.accordion-header {
  padding: 0.75rem 1rem;
  font-size: 0.88rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
  background: var(--md-sys-color-surface-container-high);
}

.accordion-content {
  padding: 1rem;
  display: none;
  border-top: 1px solid var(--md-sys-color-outline-variant);
}

.accordion-item.open .accordion-content {
  display: block;
}

.accordion-item.open .accordion-header .material-symbols-outlined.expand-icon {
  transform: rotate(180deg);
}

/* ==========================================================================
   Guest Mode Hero Card & Glassmorphic Template Selector Styles
   ========================================================================== */

.guest-hero-card {
  background: linear-gradient(135deg, rgba(11, 87, 208, 0.15) 0%, rgba(103, 80, 164, 0.20) 100%);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1.5px solid rgba(255, 255, 255, 0.35);
  border-radius: var(--md-shape-corner-large);
  padding: 1.5rem;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.12);
  animation: fadeIn 0.3s ease;
}

.guest-hero-header {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.template-btn {
  border-radius: var(--md-shape-corner-medium);
  font-size: 0.8rem;
  padding: 8px 10px;
  justify-content: center;
}

#card-preview-container {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 27, 75, 0.95) 100%) !important;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.15) !important;
}

#card-canvas-wrapper {
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6) !important;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

#card-canvas-wrapper canvas {
  width: 100% !important;
  height: auto !important;
  display: block;
  border-radius: 12px;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Snackbar Toast Feedback
   ========================================================================== */

.m3-snackbar {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background-color: var(--md-sys-color-on-surface);
  color: var(--md-sys-color-surface);
  padding: 12px 24px;
  border-radius: var(--md-shape-corner-full);
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: var(--md-sys-elevation-3);
  display: flex;
  align-items: center;
  gap: 8px;
  opacity: 0;
  pointer-events: none;
  transition: all var(--md-transition-emphasized);
  z-index: 1000;
}

.m3-snackbar.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  pointer-events: auto;
}

/* ==========================================================================
   Mode Simple (Senior & Personnes Âgées / Ultra-Lisible)
   ========================================================================== */

body.mode-simple {
  font-size: 1.15rem;
  line-height: 1.6;
}

body.mode-simple .senior-welcome-banner {
  display: block !important;
}

body.mode-simple #simple-mode-prompt-banner,
body.mode-simple .hero-banner,
body.mode-simple .chips-section,
body.mode-simple .smart-tools-accordion,
body.mode-simple .extra-tools-panel,
body.mode-simple #audio-player-container,
body.mode-simple #btn-download-card,
body.mode-simple #btn-show-qr,
body.mode-simple #btn-test-envelope,
body.mode-simple #btn-copy-share-link,
body.mode-simple #btn-import-img-text,
body.mode-simple #btn-import-audio,
body.mode-simple div:has(> #cb-enable-pin) {
  display: none !important;
}

body.mode-simple .detection-checklist-container {
  display: block !important;
  margin: 1.5rem 0;
  padding: 1.25rem;
  background: var(--md-sys-color-surface-container);
  border-radius: 18px;
  border: 2px solid var(--md-sys-color-primary-container);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.05);
}

body.mode-simple .detection-header {
  font-size: 1.15rem;
  font-weight: 800;
}

body.mode-simple .detection-score-badge {
  font-size: 1.05rem;
  padding: 4px 14px;
  font-weight: 800;
}

body.mode-simple .detection-badges-grid {
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 10px;
  margin-top: 14px;
}

body.mode-simple .detect-badge {
  font-size: 1rem;
  padding: 10px 14px;
  font-weight: 700;
  border-radius: 12px;
}

body.mode-simple .detect-badge .material-symbols-outlined {
  font-size: 22px;
}

body.mode-simple .detection-help-tip {
  font-size: 0.95rem;
  margin-top: 12px;
  font-weight: 600;
  line-height: 1.4;
}

body.mode-simple .grid-layout {
  grid-template-columns: 1fr;
  max-width: 780px;
  margin: 0 auto;
  gap: 2rem;
}

body.mode-simple .m3-card {
  padding: 2rem;
  border: 2.5px solid var(--md-sys-color-primary);
  border-radius: 24px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

body.mode-simple .card-title {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--md-sys-color-primary);
}

body.mode-simple .m3-textarea {
  font-size: 1.25rem;
  min-height: 150px;
  line-height: 1.6;
  border: 2px solid #64748b;
  border-radius: 14px;
}

body.mode-simple .m3-input {
  font-size: 1.15rem;
  height: 52px;
  border: 2px solid #64748b;
  border-radius: 12px;
  font-weight: 600;
}

body.mode-simple label {
  font-size: 1.05rem;
  font-weight: 800;
}

body.mode-simple .btn-primary {
  font-size: 1.25rem;
  padding: 16px 28px;
  border-radius: 16px;
  font-weight: 800;
  box-shadow: 0 6px 20px rgba(11, 87, 208, 0.35);
}

body.mode-simple .export-grid {
  grid-template-columns: 1fr;
  gap: 1rem;
}

body.mode-simple .cal-btn {
  font-size: 1.25rem;
  padding: 18px 24px;
  border-radius: 16px;
  font-weight: 800;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(0,0,0,0.12);
}

body.mode-simple .share-actions-row {
  margin-top: 1.25rem;
}

body.mode-simple .share-actions-row #btn-share-messenger {
  font-size: 1.25rem;
  padding: 18px 24px;
  border-radius: 16px;
  font-weight: 800;
  width: 100%;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.app-footer {
  margin-top: auto;
  border-top: 1px solid var(--md-sys-color-outline-variant);
  background-color: var(--md-sys-color-surface-container);
  padding: 1.25rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--md-sys-color-on-surface-variant);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: var(--md-sys-color-primary);
  text-decoration: none;
}

.footer-links a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   Comprehensive Mobile & Tablet / iPad Responsive Optimization
   ========================================================================== */

/* --- Tablet / iPad (Portrait & Landscape: 601px - 1024px) --- */
@media (max-width: 1024px) {
  .main-container {
    padding: 1.25rem 1rem 3rem;
  }

  .grid-layout {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .hero-title {
    font-size: 1.75rem;
  }

  .export-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .template-selector-grid {
    grid-template-columns: repeat(3, 1fr) !important;
  }
}

/* --- Mobile Phones (Screens <= 640px) --- */
@media (max-width: 640px) {
  /* Prevent iOS automatic zoom on focus */
  .m3-input, .m3-textarea, select {
    font-size: 16px !important;
  }

  /* App Bar Compact Layout */
  .app-bar-inner {
    padding: 0.5rem 0.75rem;
    gap: 0.5rem;
  }

  .brand-logo {
    width: 34px;
    height: 34px;
  }

  .brand-name {
    font-size: 1.05rem;
  }

  .brand-subtitle {
    display: none;
  }

  .brand-badge {
    display: none;
  }

  .top-bar-actions {
    gap: 0.35rem;
  }

  .translate-wrapper {
    padding: 2px 6px;
    min-height: 32px;
  }

  .translate-wrapper span:last-child {
    display: none;
  }

  .icon-btn {
    width: 36px;
    height: 36px;
  }

  #btn-toggle-simple-mode {
    padding: 4px 8px !important;
    font-size: 0.75rem !important;
  }

  /* Hero Section */
  .hero-banner {
    margin-bottom: 1.25rem;
  }

  .hero-title {
    font-size: 1.4rem;
    line-height: 1.3;
  }

  .hero-desc {
    font-size: 0.88rem;
    padding: 0 0.5rem;
  }

  /* Main Container & Cards */
  .main-container {
    padding: 0.75rem 0.6rem 3rem;
  }

  .m3-card {
    padding: 1.15rem 0.9rem;
    border-radius: 16px;
  }

  .card-header {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .card-title {
    font-size: 1.1rem;
  }

  /* Form & Inputs */
  .form-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .m3-field-group label {
    font-size: 0.78rem;
  }

  .m3-input {
    padding: 0.65rem 0.75rem;
    border-radius: 10px;
  }

  .m3-textarea {
    min-height: 110px;
    padding: 0.75rem;
    border-radius: 12px;
  }

  /* Action Buttons */
  .action-row {
    flex-direction: column;
    gap: 0.5rem;
  }

  .btn-primary, .btn-tonal {
    width: 100%;
    padding: 0.75rem 1.25rem;
    font-size: 0.92rem;
    min-height: 48px;
  }

  /* Export Buttons (1 Column for perfect finger tap targets) */
  .export-grid {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }

  .cal-btn {
    padding: 0.85rem 1rem;
    font-size: 0.95rem;
    min-height: 48px;
  }

  /* Share Actions Row */
  .share-actions-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
  }

  .share-actions-row #btn-share-messenger {
    grid-column: 1 / -1;
  }

  .share-actions-row .btn-tonal {
    font-size: 0.82rem;
    padding: 0.65rem 0.5rem;
    text-align: center;
    gap: 0.3rem;
  }

  .share-actions-row .btn-tonal .material-symbols-outlined {
    font-size: 20px;
  }

  /* Prompt Banner & Warning Banners */
  .simple-prompt-bar {
    flex-direction: column;
    align-items: stretch !important;
    gap: 10px !important;
    padding: 10px 14px !important;
  }

  .simple-prompt-bar > div:first-child {
    gap: 8px !important;
  }

  .simple-prompt-bar > div:last-child {
    justify-content: flex-end;
    width: 100%;
  }

  #btn-banner-activate-simple {
    flex: 1;
    text-align: center;
    justify-content: center;
  }

  /* Detection Checklist Banner */
  .detection-badges-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 6px !important;
  }

  .detect-badge {
    padding: 6px 8px !important;
    font-size: 0.8rem !important;
  }

  .detection-header {
    font-size: 0.95rem !important;
    flex-wrap: wrap;
    gap: 6px;
  }

  /* Modals on Mobile */
  .modal-box {
    max-width: 95% !important;
    width: 95% !important;
    max-height: 88vh !important;
    overflow-y: auto !important;
    padding: 1.25rem 1rem !important;
    border-radius: 20px !important;
    gap: 0.75rem !important;
  }

  .template-selector-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 0.4rem !important;
  }

  .glass-customizer-panel {
    padding: 8px 10px !important;
  }

  #card-preview-container {
    max-height: 280px !important;
    padding: 8px !important;
  }

  #card-canvas-wrapper {
    max-width: 220px !important;
  }

  /* Extra Tools Grid on Mobile */
  .sub-tool-group > div {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 0.4rem !important;
  }

  .helper-chip-btn {
    justify-content: center;
    padding: 8px 10px;
    font-size: 0.8rem;
    min-height: 38px;
  }

  /* Senior Mode Mobile Refinements */
  body.mode-simple {
    font-size: 1.05rem;
  }

  body.mode-simple .m3-card {
    padding: 1.25rem 1rem;
    border-radius: 18px;
  }

  body.mode-simple .card-title {
    font-size: 1.25rem;
  }

  body.mode-simple .btn-primary {
    font-size: 1.1rem;
    padding: 14px 20px;
  }

  body.mode-simple .cal-btn {
    font-size: 1.1rem;
    padding: 14px 18px;
  }

  body.mode-simple .share-actions-row #btn-share-messenger {
    font-size: 1.1rem;
    padding: 14px 18px;
  }
}

/* --- Ultra Small Mobile Screens (<= 380px) --- */
@media (max-width: 380px) {
  .hero-title {
    font-size: 1.25rem;
  }

  .share-actions-row {
    grid-template-columns: 1fr;
  }

  .template-selector-grid {
    grid-template-columns: 1fr !important;
  }

  .detection-badges-grid {
    grid-template-columns: 1fr !important;
  }
}