/* ==========================================================================
   Literating India Foundation - Dynamic Certificate Generator
   Design System: Dual Theme Architecture (Minimalist Off-White / Midnight Obsidian)
   100% Responsive Across All Screen Sizes (Mobile, Tablet, Laptop, Ultra-Wide)
   Seamless, Zero-Glitch Transition & Zero Horizontal Wobble
   ========================================================================== */

/* --------------------------------------------------------------------------
   Theme Variables
   -------------------------------------------------------------------------- */

:root,
[data-theme="light"] {
  /* Light Theme: Minimalist Clean Off-White & Antique Gold */
  --color-bg-base: #F8F6F0;           /* Soft warm cream linen */
  --color-bg-subtle: #F2EFE8;         /* Subtle tone-on-tone cream */
  --color-bg-stage: #ECE7DD;          /* Warm sand canvas viewport */
  --color-surface: #FFFFFF;           /* Crisp clean card surface */
  --color-surface-cream: #FCFAF6;     /* Alabaster secondary surface */
  --color-surface-translucent: rgba(253, 251, 247, 0.94);
  
  --color-border: #E6E0D4;            /* Soft warm stone border */
  --color-border-light: #EFEBE1;      /* Hairline divider */
  --color-border-focus: #B8860B;      /* Antique gold focus */

  --color-text-main: #1C1917;         /* Deep rich charcoal */
  --color-text-body: #292524;         /* Warm dark text */
  --color-text-muted: #78716C;        /* Warm slate stone */
  --color-text-light: #A8A29E;        /* Subtle stone */

  /* Antique Champagne & Brass Gold */
  --color-gold-900: #5C4308;
  --color-gold-800: #78580D;
  --color-gold-700: #946E13;
  --color-gold-600: #B8860B;
  --color-gold-500: #C5A059;
  --color-gold-400: #D4AF37;
  --color-gold-300: #E5CA7E;
  --color-gold-200: #F2DFC3;
  --color-gold-100: #FBF4E4;
  --color-gold-50:  #FDFBF5;

  /* Obsidian Accents */
  --color-obsidian-950: #0C0A09;
  --color-obsidian-900: #1C1917;
  --color-obsidian-800: #292524;
  --color-obsidian-700: #44403C;
  --color-obsidian-100: #F5F2EB;
  --color-obsidian-50:  #FAF8F4;

  /* Card and Button Token Mappings */
  --color-selected-card-bg: linear-gradient(135deg, #1C1917 0%, #292524 100%);
  --color-selected-card-border: #D4AF37;
  --color-selected-card-text: #FFFFFF;
  --color-selected-card-shadow: 0 4px 16px rgba(28, 25, 23, 0.15);

  --color-btn-primary-bg: #1C1917;
  --color-btn-primary-text: #FFFFFF;
  --color-btn-primary-border: #1C1917;
  --color-btn-primary-hover: #2E2A27;

  --color-btn-sec-bg: #FFFFFF;
  --color-btn-sec-text: #292524;
  --color-btn-sec-border: #DCD5C9;
  --color-btn-sec-hover: #FAF7F2;

  --color-input-bg: #FFFFFF;
  --color-input-border: #E6E0D4;
  --color-input-disabled-bg: #F2EFE8;

  --color-card-shadow: 0 1px 3px rgba(40, 30, 20, 0.04);
  --color-modal-backdrop: rgba(28, 25, 23, 0.55);
  --color-footer-bg: #FAF8F4;
  --color-watermark-bg: rgba(255, 253, 249, 0.95);
  --color-watermark-border: #E5DEC9;

  --color-saffron: #D97706;
  --color-white: #FFFFFF;
  --color-green: #15803D;

  --color-success: #15803D;
  --color-success-bg: #F0FDF4;
  --color-success-border: #BBF7D0;

  --color-error: #B91C1C;
  --color-error-bg: #FEF2F2;
  --color-error-border: #FECACA;

  --color-bg-gradient-1: rgba(212, 175, 55, 0.04);
  --color-bg-gradient-2: rgba(120, 100, 70, 0.03);
}

[data-theme="dark"] {
  /* Dark Theme: Midnight Obsidian & Champagne Gold */
  --color-bg-base: #0A0D14;           /* Deep midnight obsidian */
  --color-bg-subtle: #121722;         /* Elevated dark slate */
  --color-bg-stage: #07090E;          /* Deep canvas viewport */
  --color-surface: #121724;           /* Crisp dark card surface */
  --color-surface-cream: #181F2E;     /* Secondary dark surface */
  --color-surface-translucent: rgba(16, 20, 32, 0.94);

  --color-border: #232C3D;            /* Clean dark slate border */
  --color-border-light: #1A2130;      /* Dark hairline divider */
  --color-border-focus: #D4AF37;      /* Radiant gold focus */

  --color-text-main: #F8FAFC;         /* Crisp clean white-slate */
  --color-text-body: #E2E8F0;         /* Light body text */
  --color-text-muted: #94A3B8;        /* Soft slate text */
  --color-text-light: #64748B;        /* Subtle slate text */

  /* Antique Champagne & Brass Gold */
  --color-gold-900: #FBF4E4;
  --color-gold-800: #F4E2B2;
  --color-gold-700: #E8C872;
  --color-gold-600: #D4AF37;
  --color-gold-500: #E5CA7E;
  --color-gold-400: #D4AF37;
  --color-gold-300: #F2DFC3;
  --color-gold-200: #FBF4E4;
  --color-gold-100: rgba(212, 175, 55, 0.16);
  --color-gold-50:  rgba(212, 175, 55, 0.08);

  /* Obsidian Accents */
  --color-obsidian-950: #050608;
  --color-obsidian-900: #0A0D14;
  --color-obsidian-800: #121722;
  --color-obsidian-700: #CBD5E1;
  --color-obsidian-100: #1A2234;
  --color-obsidian-50:  #121724;

  /* Card and Button Token Mappings */
  --color-selected-card-bg: linear-gradient(135deg, #0C101A 0%, #161D2C 100%);
  --color-selected-card-border: #D4AF37;
  --color-selected-card-text: #F8FAFC;
  --color-selected-card-shadow: 0 4px 24px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(212, 175, 55, 0.25);

  --color-btn-primary-bg: #D4AF37;
  --color-btn-primary-text: #0A0D14;
  --color-btn-primary-border: #D4AF37;
  --color-btn-primary-hover: #E5CA7E;

  --color-btn-sec-bg: #182030;
  --color-btn-sec-text: #E2E8F0;
  --color-btn-sec-border: #2A364B;
  --color-btn-sec-hover: #222C3E;

  --color-input-bg: #0E131E;
  --color-input-border: #232C3D;
  --color-input-disabled-bg: #161B26;

  --color-card-shadow: 0 4px 18px rgba(0, 0, 0, 0.35);
  --color-modal-backdrop: rgba(2, 4, 8, 0.78);
  --color-footer-bg: #07090F;
  --color-watermark-bg: rgba(18, 23, 36, 0.95);
  --color-watermark-border: #2A364B;

  --color-saffron: #F59E0B;
  --color-white: #FFFFFF;
  --color-green: #22C55E;

  --color-success: #22C55E;
  --color-success-bg: rgba(34, 197, 94, 0.12);
  --color-success-border: rgba(34, 197, 94, 0.3);

  --color-error: #EF4444;
  --color-error-bg: rgba(239, 68, 68, 0.12);
  --color-error-border: rgba(239, 68, 68, 0.3);

  --color-bg-gradient-1: rgba(212, 175, 55, 0.03);
  --color-bg-gradient-2: rgba(30, 41, 59, 0.2);
}

:root {
  /* Common Shared Tokens */
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif: 'Cinzel', 'Playfair Display', Georgia, serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;

  /* Shadows */
  --shadow-sm: var(--color-card-shadow);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 28px rgba(0, 0, 0, 0.14);
  --shadow-xl: 0 24px 44px rgba(0, 0, 0, 0.22);
  --shadow-cert: 0 14px 34px -4px rgba(0, 0, 0, 0.32), 0 0 0 1px rgba(212, 175, 55, 0.2);

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
}

/* --------------------------------------------------------------------------
   Strict Reset & Mobile-Contained Layout
   -------------------------------------------------------------------------- */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  max-width: 100vw;
  overflow-x: clip;
  position: relative;
  touch-action: pan-y;
  -webkit-overflow-scrolling: touch;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg-base);
  color: var(--color-text-main);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  background-image: 
    radial-gradient(at 0% 0%, var(--color-bg-gradient-1) 0px, transparent 50%),
    radial-gradient(at 100% 0%, var(--color-bg-gradient-2) 0px, transparent 40%),
    radial-gradient(at 50% 100%, var(--color-bg-gradient-1) 0px, transparent 60%);
  background-attachment: fixed;
}

/* Smooth Theme Transitions */
body,
.app-header,
.panel-card,
.preview-panel,
.modal-card,
.form-input,
.search-input,
.verify-input,
.verify-select,
.btn,
.badge,
.topic-chip,
.watermark-badge,
.app-footer,
.canvas-wrapper,
.autocomplete-dropdown,
.autocomplete-item,
.directory-table,
.directory-table th,
.directory-table td,
.support-channel-card,
.secondary-verify-box,
.cert-no-box {
  transition: background-color 0.25s cubic-bezier(0.4, 0, 0.2, 1),
              border-color 0.25s cubic-bezier(0.4, 0, 0.2, 1),
              color 0.25s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --------------------------------------------------------------------------
   Top Navigation Header
   -------------------------------------------------------------------------- */

.app-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
  max-width: 100vw;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background-color 0.25s cubic-bezier(0.4, 0, 0.2, 1),
              border-color 0.25s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] .app-header {
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 1px 4px rgba(40, 30, 20, 0.05);
}

[data-theme="dark"] .app-header {
  background: rgba(14, 19, 30, 0.96);
  border-bottom: 1px solid rgba(42, 54, 75, 0.85);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.45);
}

/* ==========================================================================
   Floating Government Affiliation Disclaimer Notification
   ========================================================================== */

.gov-notice-banner {
  position: fixed;
  top: calc(70px + 10px);
  left: 50%;
  transform: translate(-50%, 0) scale(1);
  z-index: 990;
  max-width: min(calc(100vw - 1.5rem), 680px);
  width: max-content;
  pointer-events: auto;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.28s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.28s cubic-bezier(0.16, 1, 0.3, 1),
              visibility 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.gov-notice-banner.is-scrolled,
.gov-notice-banner.is-dismissed {
  opacity: 0;
  transform: translate(-50%, -10px) scale(0.96);
  pointer-events: none;
  visibility: hidden;
}

.gov-notice-inner {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.38rem 0.9rem;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px) saturate(180%);
  -webkit-backdrop-filter: blur(14px) saturate(180%);
  border: 1px solid rgba(184, 134, 11, 0.25);
  border-radius: 9999px;
  box-shadow: 0 10px 25px -4px rgba(0, 0, 0, 0.12),
              0 3px 8px -2px rgba(0, 0, 0, 0.06);
  color: var(--color-text-main, #1C1917);
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1.35;
}

[data-theme="dark"] .gov-notice-inner {
  background: rgba(20, 26, 38, 0.94);
  border-color: rgba(212, 175, 55, 0.3);
  color: #F3F4F6;
  box-shadow: 0 10px 25px -4px rgba(0, 0, 0, 0.5);
}

.gov-notice-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #D97706;
  flex-shrink: 0;
}

.gov-notice-tag {
  display: inline-flex;
  align-items: center;
  background: #FEF3C7;
  color: #92400E;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.12rem 0.45rem;
  border-radius: 9999px;
  border: 1px solid rgba(217, 119, 6, 0.25);
  flex-shrink: 0;
}

[data-theme="dark"] .gov-notice-tag {
  background: rgba(184, 134, 11, 0.25);
  color: #FDE68A;
  border-color: rgba(212, 175, 55, 0.4);
}

.gov-notice-text {
  font-weight: 500;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.gov-notice-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  padding: 0.2rem;
  margin-left: 0.25rem;
  color: var(--color-text-muted, #78716C);
  cursor: pointer;
  border-radius: 50%;
  transition: color 0.15s ease, background-color 0.15s ease;
  line-height: 1;
  flex-shrink: 0;
}

.gov-notice-close:hover {
  color: var(--color-text-main, #1C1917);
  background-color: rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .gov-notice-close:hover {
  color: #FFFFFF;
  background-color: rgba(255, 255, 255, 0.1);
}

.gov-notice-close:focus-visible {
  outline: 2px solid var(--color-gold-500, #C5A059);
  outline-offset: 1px;
}

@media (max-width: 768px) {
  .gov-notice-banner {
    top: calc(64px + 8px);
    width: min(calc(100vw - 1.25rem), 480px);
    max-width: calc(100vw - 1.25rem);
  }

  .gov-notice-inner {
    width: 100%;
    padding: 0.4rem 0.75rem;
    gap: 0.45rem;
    border-radius: 12px;
    justify-content: space-between;
  }

  .gov-notice-text {
    white-space: normal;
    font-size: 0.75rem;
    text-align: left;
    flex: 1;
  }
}


.header-container {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  box-sizing: border-box;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  min-width: 0;
}

.brand-logo-icon {
  width: 42px;
  height: 42px;
  background: var(--color-surface-cream);
  border: 1.5px solid var(--color-gold-400);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: all 0.25s ease;
}

[data-theme="dark"] .brand-logo-icon {
  background: #182030;
  border-color: rgba(212, 175, 55, 0.6);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
}

.brand-info {
  min-width: 0;
}

.brand-info h1 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-text-main);
  letter-spacing: 0.3px;
  line-height: 1.15;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color 0.25s ease;
}

[data-theme="dark"] .brand-info h1 {
  color: #F8FAFC;
}

.brand-tagline {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-gold-600);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 2px;
  transition: color 0.25s ease;
}

[data-theme="dark"] .brand-tagline {
  color: #E5CA7E;
}

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

.tricolor-dot.saffron { background: var(--color-saffron); }
.tricolor-dot.white { background: #94A3B8; }
.tricolor-dot.green { background: var(--color-green); }

[data-theme="dark"] .tricolor-dot.white {
  background: #FFFFFF;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
}

/* Theme Toggle Button */
.btn-theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
  font-size: 0.8rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  user-select: none;
  background: var(--color-btn-sec-bg);
  color: var(--color-btn-sec-text);
  border: 1px solid var(--color-btn-sec-border);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-theme-toggle:hover {
  background: var(--color-btn-sec-hover);
  border-color: var(--color-gold-500);
}

[data-theme="dark"] .btn-theme-toggle {
  background: #182030;
  color: #E2E8F0;
  border: 1px solid #2A364B;
}

[data-theme="dark"] .btn-theme-toggle:hover {
  background: #222C3E;
  border-color: #D4AF37;
  color: #F8FAFC;
}

.theme-icon {
  font-size: 0.95rem;
  line-height: 1;
}

/* --------------------------------------------------------------------------
   Main Workspace Layout
   -------------------------------------------------------------------------- */

.main-wrapper {
  max-width: 1600px;
  margin: 0 auto;
  padding: 1.5rem;
  flex: 1;
  width: 100%;
  max-width: 100vw;
  box-sizing: border-box;
}

.app-grid {
  display: grid;
  grid-template-columns: 440px 1fr;
  gap: 1.5rem;
  align-items: start;
  width: 100%;
  max-width: 100%;
}

/* --------------------------------------------------------------------------
   Control Panel (Left Side Cards)
   -------------------------------------------------------------------------- */

.control-panel {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

.panel-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: visible;
  position: relative;
}

.panel-card-header {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.95rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid var(--color-border-light);
}

.step-num {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  color: var(--color-text-main);
  font-size: 0.78rem;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-num.gold {
  background: var(--color-gold-100);
  border-color: var(--color-gold-400);
  color: var(--color-gold-600);
}

.step-badge {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  background: var(--color-bg-subtle);
  color: var(--color-text-main);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.step-badge.gold {
  background: var(--color-gold-100);
  color: var(--color-gold-600);
  border: 1px solid var(--color-gold-400);
}

.panel-title {
  font-size: 0.94rem;
  font-weight: 700;
  color: var(--color-text-main);
  letter-spacing: -0.2px;
}

/* Topic Category Filter Chips */
.topic-chips-bar {
  display: flex;
  gap: 0.35rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  margin-bottom: 0.75rem;
  width: 100%;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.topic-chips-bar::-webkit-scrollbar {
  display: none;
}

.topic-chip {
  background: var(--color-bg-subtle);
  color: var(--color-text-body);
  border: 1px solid var(--color-border);
  font-size: 0.74rem;
  font-weight: 600;
  padding: 0.3rem 0.65rem;
  border-radius: 9999px;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: all 0.15s ease;
}

.topic-chip:hover {
  border-color: var(--color-gold-400);
  color: var(--color-text-main);
}

.topic-chip.active {
  background: var(--color-btn-primary-bg);
  color: var(--color-btn-primary-text);
  border-color: var(--color-btn-primary-border);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

/* Search Box */
.search-box-wrapper {
  position: relative;
  width: 100%;
  z-index: 150;
}

.search-input-container {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.search-icon-prefix {
  position: absolute;
  left: 0.85rem;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: 0.72rem 2.2rem 0.72rem 2.35rem;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 500;
  border: 1.5px solid var(--color-input-border);
  border-radius: var(--radius-md);
  background: var(--color-input-bg);
  color: var(--color-text-main);
  box-sizing: border-box;
  min-height: 46px;
}

.search-input:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
}

.clear-btn {
  position: absolute;
  right: 0.6rem;
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
}

/* Autocomplete Dropdown Overlay */
.autocomplete-dropdown {
  position: absolute;
  top: calc(100% + 5px);
  left: 0;
  right: 0;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.25);
  max-height: 280px;
  overflow-y: auto;
  z-index: 9999;
  list-style: none;
  padding: 0.35rem 0;
  width: 100%;
  box-sizing: border-box;
  -webkit-overflow-scrolling: touch;
}

.autocomplete-item {
  padding: 0.75rem 0.95rem;
  cursor: pointer;
  border-bottom: 1px solid var(--color-border-light);
  background: var(--color-surface);
  transition: background 0.15s ease;
  touch-action: manipulation;
  min-height: 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.autocomplete-item:last-child {
  border-bottom: none;
}

.autocomplete-item:hover,
.autocomplete-item.active {
  background: var(--color-bg-subtle);
}

.item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.25rem;
}

.item-name {
  font-weight: 700;
  color: var(--color-text-main);
  font-size: 0.92rem;
}

.item-name mark {
  background: var(--color-gold-100);
  color: var(--color-gold-600);
  font-weight: 800;
  padding: 0 3px;
  border-radius: 3px;
}

.item-details {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: 9999px;
}

.topic-badge {
  background: var(--color-bg-subtle);
  color: var(--color-text-main);
  border: 1px solid var(--color-border);
}

.class-badge {
  background: var(--color-gold-100);
  color: var(--color-gold-600);
  border: 1px solid var(--color-gold-300);
}

.cert-badge {
  background: var(--color-surface-cream);
  color: var(--color-text-main);
  font-family: var(--font-mono);
  border: 1px solid var(--color-border);
}

.phone-badge {
  background: var(--color-bg-base);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

.no-phone-badge {
  background: var(--color-bg-base);
  color: var(--color-text-light);
  border: 1px dashed var(--color-border);
}

.winner-badge {
  background: linear-gradient(135deg, #D4AF37 0%, #B8860B 100%) !important;
  color: #0A0D14 !important;
  font-weight: 800 !important;
  border: 1px solid #FFE082 !important;
  box-shadow: 0 0 10px rgba(212, 175, 55, 0.4);
  letter-spacing: 0.3px;
}

.btn-gold {
  background: linear-gradient(135deg, #D4AF37 0%, #B8860B 100%) !important;
  color: #0A0D14 !important;
  border: 1px solid #E5CA7E !important;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(212, 175, 55, 0.25);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-gold:hover {
  background: linear-gradient(135deg, #E5CA7E 0%, #D4AF37 100%) !important;
  color: #050608 !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(212, 175, 55, 0.4);
}

/* Selected Participant Card */
.selected-card {
  margin-top: 0.85rem;
  background: var(--color-selected-card-bg);
  color: var(--color-selected-card-text);
  border: 1.5px solid var(--color-selected-card-border);
  border-radius: var(--radius-md);
  padding: 0.95rem 1rem;
  box-shadow: var(--color-selected-card-shadow);
  width: 100%;
  box-sizing: border-box;
}

.card-label-mini {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-gold-300);
}

.selected-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.45rem;
}

.selected-card-name {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-selected-card-text);
  letter-spacing: 0.2px;
}

.selected-card-tags {
  display: flex;
  gap: 0.35rem;
  margin-bottom: 0.45rem;
  flex-wrap: wrap;
}

.selected-card-tags .topic-badge {
  background: rgba(255, 255, 255, 0.14);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.selected-card-tags .class-badge {
  background: var(--color-gold-400);
  color: #0A0D14;
  border: none;
  font-weight: 800;
}

.selected-card-tags .cert-badge {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-gold-200);
  border: 1px solid rgba(212, 175, 55, 0.35);
}

.btn-card-change {
  background: rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.25);
  font-size: 0.8rem;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-card-change:hover {
  background: rgba(255, 255, 255, 0.22);
  border-color: rgba(255, 255, 255, 0.45);
}

.card-phone-info {
  font-size: 0.76rem;
  color: var(--color-text-light);
}

.phone-required { color: var(--color-gold-300); font-weight: 600; }
.phone-none { color: var(--color-success); font-weight: 500; }

/* --------------------------------------------------------------------------
   Step 2: Verification Section
   -------------------------------------------------------------------------- */

.verification-box {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: 100%;
}

.verify-input-group {
  display: flex;
  gap: 0.5rem;
  width: 100%;
}

.verify-input {
  flex: 1;
  padding: 0.68rem 0.85rem;
  font-family: var(--font-sans);
  font-size: 16px;
  border: 1.5px solid var(--color-input-border);
  border-radius: var(--radius-md);
  background: var(--color-input-bg);
  color: var(--color-text-main);
  min-height: 46px;
  box-sizing: border-box;
}

.verify-input:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
}

.field-hint {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  margin-top: 0.3rem;
}

.verification-message {
  font-size: 0.82rem;
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.verification-message.success {
  background: var(--color-success-bg);
  border: 1px solid var(--color-success-border);
  color: var(--color-success);
}

.verification-message.error {
  background: var(--color-error-bg);
  border: 1.5px solid var(--color-error-border);
  color: var(--color-error);
}

.verify-error-content {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  width: 100%;
}

.verify-error-action {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.76rem;
  border-top: 1px dashed rgba(239, 68, 68, 0.3);
  padding-top: 0.35rem;
  margin-top: 0.15rem;
  color: var(--color-error);
}

.verify-contact-link {
  color: var(--color-error);
  font-weight: 800;
  text-decoration: underline;
  cursor: pointer;
  transition: opacity 0.15s ease;
}

.verify-contact-link:hover {
  opacity: 0.8;
}

/* Secondary Verification Box */
.secondary-verify-box {
  background: var(--color-surface-cream);
  border: 1.5px solid var(--color-gold-400);
  border-radius: var(--radius-md);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  box-shadow: var(--shadow-sm);
}

.secondary-verify-header {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
}

.secondary-verify-icon {
  width: 32px;
  height: 32px;
  background: var(--color-gold-100);
  color: var(--color-gold-600);
  border: 1px solid var(--color-gold-400);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.secondary-verify-title-group h4 {
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--color-text-main);
  margin-bottom: 0.2rem;
}

.secondary-verify-title-group p {
  font-size: 0.76rem;
  color: var(--color-text-muted);
  line-height: 1.35;
  margin: 0;
}

.secondary-verify-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}

.verify-select {
  background-color: var(--color-input-bg);
  border: 1.5px solid var(--color-input-border);
  color: var(--color-text-main);
  font-size: 0.84rem;
  min-height: 42px;
  border-radius: var(--radius-md);
}

.verify-select:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
}

.btn-block {
  width: 100%;
  justify-content: center;
}

/* Throttling & Cooldown Banner */
.throttle-banner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--color-error-bg);
  border: 1.5px solid var(--color-error-border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  color: var(--color-error);
  animation: pulse-throttle-border 2s infinite ease-in-out;
}

@keyframes pulse-throttle-border {
  0%, 100% { border-color: var(--color-error); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.2); }
  50% { border-color: var(--color-error); box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.15); }
}

.throttle-icon {
  font-size: 1.4rem;
}

.throttle-body {
  flex: 1;
}

.throttle-body strong {
  display: block;
  font-size: 0.85rem;
  color: var(--color-error);
  margin-bottom: 0.15rem;
}

.throttle-body p {
  font-size: 0.78rem;
  color: var(--color-error);
  margin: 0;
  line-height: 1.35;
}

.throttle-timer {
  font-family: var(--font-mono);
  font-weight: 800;
  color: var(--color-error);
  background: rgba(239, 68, 68, 0.15);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
}

/* Disabled verification state */
.verify-input:disabled,
.verify-select:disabled,
.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed !important;
}

/* --------------------------------------------------------------------------
   Step 3: Event Inputs
   -------------------------------------------------------------------------- */

.form-group {
  margin-bottom: 0.85rem;
  width: 100%;
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-label {
  display: block;
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.3rem;
}

.input-with-icon {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.input-icon {
  position: absolute;
  left: 0.85rem;
  font-size: 0.95rem;
  pointer-events: none;
}

.form-input {
  width: 100%;
  padding: 0.68rem 0.85rem 0.68rem 2.3rem;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  border: 1.5px solid var(--color-input-border);
  border-radius: var(--radius-md);
  color: var(--color-text-main);
  background: var(--color-input-bg);
  min-height: 46px;
  box-sizing: border-box;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
}

select.form-input {
  cursor: pointer;
  appearance: auto;
  -webkit-appearance: auto;
}

.form-input:disabled,
.form-input[readonly],
.form-input-disabled {
  background-color: var(--color-input-disabled-bg) !important;
  color: var(--color-text-muted) !important;
  border-color: var(--color-border) !important;
  cursor: not-allowed !important;
  user-select: none !important;
  box-shadow: none !important;
  outline: none !important;
  pointer-events: none !important;
}

.cert-no-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0.85rem;
  background: var(--color-input-disabled-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  width: 100%;
  box-sizing: border-box;
}

.cert-no-box-fixed {
  background-color: var(--color-input-disabled-bg) !important;
  border-color: var(--color-border) !important;
  color: var(--color-text-muted) !important;
  cursor: not-allowed !important;
  user-select: none !important;
  pointer-events: none !important;
}

.cert-no-box-fixed .cert-no-code {
  color: var(--color-text-body) !important;
}

.cert-no-label-group {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.cert-no-code {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-text-main);
}

/* --------------------------------------------------------------------------
   Step 4: Buttons & Actions
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 700;
  padding: 0.65rem 1.15rem;
  border-radius: var(--radius-md);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  user-select: none;
  min-height: 44px;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-primary {
  background: var(--color-btn-primary-bg);
  color: var(--color-btn-primary-text);
  border-color: var(--color-btn-primary-border);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
  background: var(--color-btn-primary-hover);
  border-color: var(--color-btn-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.btn-gold {
  background: linear-gradient(135deg, #D4AF37 0%, #B8860B 100%);
  color: #0A0D14;
  border-color: #B8860B;
  font-weight: 800;
  box-shadow: 0 2px 8px rgba(212, 175, 55, 0.25);
}

.btn-gold:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(212, 175, 55, 0.35);
}

.btn-secondary {
  background: var(--color-btn-sec-bg);
  color: var(--color-btn-sec-text);
  border-color: var(--color-btn-sec-border);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--color-btn-sec-hover);
  border-color: var(--color-gold-400);
  color: var(--color-text-main);
}

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

.btn-outline:hover {
  background: var(--color-bg-subtle);
}

.btn-icon {
  padding: 0.35rem 0.6rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-body);
  border-radius: var(--radius-sm);
  min-height: 34px;
}

.btn-icon:hover {
  background: var(--color-bg-subtle);
  border-color: var(--color-gold-400);
}

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
  min-height: 36px;
}

.btn-lg {
  padding: 0.85rem 1.35rem;
  font-size: 0.95rem;
  min-height: 48px;
}

.btn-full {
  width: 100%;
}

.export-actions {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  width: 100%;
}

/* Support Callout */
.support-callout {
  margin-top: 1rem;
  padding: 0.75rem 0.95rem;
  background: var(--color-bg-subtle);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.78rem;
  color: var(--color-text-main);
}

.support-icon {
  font-size: 1.15rem;
  flex-shrink: 0;
}

.support-text {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  line-height: 1.35;
}

.support-link-btn {
  background: transparent;
  border: none;
  color: var(--color-gold-600);
  font-weight: 800;
  text-decoration: underline;
  cursor: pointer;
  padding: 0;
  font-size: 0.78rem;
}

.support-link-btn:hover {
  color: var(--color-gold-700);
}

/* Toast Notifications */
.app-toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--color-surface);
  color: var(--color-text-main);
  border: 1.5px solid var(--color-gold-400);
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 600;
  box-shadow: var(--shadow-xl);
  z-index: 9999;
  opacity: 0;
  transform: translateY(16px);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}

.app-toast.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* --------------------------------------------------------------------------
   App Footer & Watermark
   -------------------------------------------------------------------------- */

.app-footer {
  margin-top: auto;
  background: var(--color-footer-bg);
  border-top: 1px solid var(--color-border);
  padding: 1.1rem 1.5rem;
  width: 100%;
  box-sizing: border-box;
}

.footer-container {
  max-width: 1600px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--color-text-main);
}

/* Modern Watermark Badge in Footer */
.footer-watermark {
  display: flex;
  align-items: center;
  justify-content: center;
}

.watermark-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--color-watermark-bg);
  border: 1.5px solid var(--color-watermark-border);
  padding: 0.4rem 1rem;
  border-radius: 9999px;
  font-size: 0.78rem;
  box-shadow: var(--shadow-sm);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  user-select: none;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.watermark-badge:hover {
  transform: translateY(-1.5px);
  border-color: var(--color-gold-400);
  box-shadow: 0 6px 16px rgba(212, 175, 55, 0.2);
}

.watermark-text {
  color: var(--color-text-muted);
  font-weight: 600;
}

.heart-pulse-anim {
  display: inline-block;
  font-size: 0.92rem;
  animation: heart-beat 1.6s infinite cubic-bezier(0.215, 0.61, 0.355, 1);
  filter: drop-shadow(0 0 3px rgba(239, 68, 68, 0.4));
}

@keyframes heart-beat {
  0%, 100% { transform: scale(1); }
  25% { transform: scale(1.28); }
  35% { transform: scale(1.08); }
  45% { transform: scale(1.24); }
}

.brand-gradient-shine {
  font-weight: 800;
  letter-spacing: 0.6px;
  background: linear-gradient(135deg, var(--color-text-main) 0%, #D4AF37 50%, var(--color-gold-600) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-transform: uppercase;
}

.footer-support {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

/* Studio Footer Status & Watermark Bar */
.studio-footer-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.75rem;
  margin-top: 0.75rem;
  border-top: 1px solid var(--color-border-light);
  font-size: 0.74rem;
  color: var(--color-text-muted);
  flex-wrap: wrap;
  gap: 0.5rem;
}

.studio-spec {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

.studio-watermark-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.72rem;
  color: var(--color-text-muted);
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  transition: all 0.2s ease;
}

.studio-watermark-tag:hover {
  border-color: var(--color-gold-400);
  background: var(--color-surface);
}

.heart-icon-sm {
  font-size: 0.78rem;
  animation: heart-beat 2s infinite ease-in-out;
}

.brand-text-gold {
  color: var(--color-gold-600);
  font-weight: 800;
  letter-spacing: 0.4px;
}

/* Tech Partner Card in Support Modal */
.tech-partner-card {
  border-color: var(--color-gold-400) !important;
  background: var(--color-surface-cream) !important;
}

/* --------------------------------------------------------------------------
   Live Certificate Preview Viewport (Right Side)
   -------------------------------------------------------------------------- */

.preview-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  min-width: 0;
}

.preview-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 0.85rem;
  margin-bottom: 0.85rem;
  border-bottom: 1px solid var(--color-border-light);
  flex-wrap: wrap;
  gap: 0.5rem;
  width: 100%;
}

.preview-title-group {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.preview-title-group h2 {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-text-main);
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.live-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.18rem 0.5rem;
  background: var(--color-bg-subtle);
  color: var(--color-text-muted);
  border-radius: 9999px;
  border: 1px solid var(--color-border);
}

.preview-zoom-controls {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.zoom-level-text {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--color-text-muted);
  min-width: 38px;
  text-align: center;
}

/* Canvas Viewport */
.canvas-wrapper {
  background: var(--color-bg-stage);
  border: 1px solid var(--color-border);
  min-height: 340px;
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  touch-action: pan-y;
}

.canvas-container {
  width: 100%;
  max-width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.canvas-stage {
  width: 100%;
  max-width: 820px;
  padding: 4px;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.4), rgba(0, 0, 0, 0.3));
  border-radius: 8px;
  box-shadow: var(--shadow-cert);
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  overflow: hidden;
}

#certificate-canvas {
  width: 100% !important;
  max-width: 100% !important;
  height: auto !important;
  aspect-ratio: 1492 / 1054;
  display: block;
  border-radius: 4px;
  background: #FFFFFF;
  transform: none !important;
  box-sizing: border-box;
}

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2.5rem 1.25rem;
  max-width: 440px;
  width: 100%;
  box-sizing: border-box;
}

.empty-cert-frame {
  width: 60px;
  height: 60px;
  background: var(--color-bg-subtle);
  border: 2px dashed var(--color-gold-400);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem auto;
}

.empty-cert-icon {
  font-size: 2rem;
}

.empty-state h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--color-text-main);
  font-weight: 800;
  margin-bottom: 0.4rem;
}

.empty-state p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Mobile Floating Action Bar
   -------------------------------------------------------------------------- */

.mobile-floating-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  max-width: 100vw;
  box-sizing: border-box;
  background: var(--color-surface-translucent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 0.75rem 1rem;
  padding-bottom: max(0.75rem, env(safe-area-inset-bottom));
  border-top: 1px solid var(--color-gold-400);
  z-index: 100;
  gap: 0.5rem;
  box-shadow: 0 -6px 24px rgba(0, 0, 0, 0.2);
}

.mobile-floating-bar .btn {
  flex: 1;
  min-height: 46px;
  font-size: 0.88rem;
}

/* --------------------------------------------------------------------------
   Modals
   -------------------------------------------------------------------------- */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: var(--color-modal-backdrop);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 1rem;
  width: 100%;
  max-width: 100vw;
  box-sizing: border-box;
}

.modal-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 520px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  max-height: 90vh;
  box-sizing: border-box;
}

.modal-card-lg {
  max-width: 960px;
}

.modal-header {
  padding: 1.1rem 1.35rem;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-bg-subtle);
}

.modal-header h3 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-text-main);
}

.modal-close-btn {
  background: transparent;
  border: none;
  font-size: 1.25rem;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

.modal-close-btn:hover {
  color: var(--color-text-main);
  background: var(--color-bg-subtle);
}

.modal-body {
  padding: 1.25rem;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 0.85rem 1.25rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.65rem;
  background: var(--color-bg-subtle);
}

/* Directory & Winners Modal Tab Switcher */
.modal-tab-bar {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  border-bottom: 1.5px solid var(--color-border);
  padding-bottom: 0.65rem;
}

.modal-tab-btn {
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  padding: 0.45rem 1rem;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.modal-tab-btn:hover {
  color: var(--color-text-main);
  background: var(--color-surface);
}

.modal-tab-btn.active {
  background: var(--color-btn-primary-bg) !important;
  color: var(--color-btn-primary-text) !important;
  border-color: var(--color-btn-primary-border) !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/* Dedicated Winners Modal Card */
.winners-modal-card {
  border: 2px solid var(--color-gold-400) !important;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35), 0 0 24px rgba(212, 175, 55, 0.18) !important;
}

.winners-modal-header {
  border-bottom: 1.5px solid var(--color-gold-300);
  background: linear-gradient(to right, var(--color-surface), var(--color-gold-50));
}

.winners-modal-title-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.trophy-badge-icon {
  font-size: 2rem;
  line-height: 1;
  filter: drop-shadow(0 2px 8px rgba(212, 175, 55, 0.6));
  animation: trophy-pulse 2.5s infinite ease-in-out;
}

@keyframes trophy-pulse {
  0%, 100% { transform: scale(1); filter: drop-shadow(0 2px 8px rgba(212, 175, 55, 0.5)); }
  50% { transform: scale(1.1); filter: drop-shadow(0 2px 14px rgba(212, 175, 55, 0.85)); }
}

.modal-subtitle {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  font-weight: 500;
  margin-top: 0.15rem;
}

.winners-table th {
  background: var(--color-gold-50) !important;
  border-bottom: 2px solid var(--color-gold-300) !important;
  color: var(--color-text-main) !important;
}

.winner-row-highlight {
  background: rgba(212, 175, 55, 0.05);
}

.winner-row-highlight:hover td {
  background: rgba(212, 175, 55, 0.12) !important;
}

.winner-prize-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-weight: 800;
  color: var(--color-gold-700);
  font-size: 0.76rem;
  background: var(--color-gold-100);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-gold-300);
  white-space: nowrap;
}

.directory-filters {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.85rem;
  flex-wrap: wrap;
  width: 100%;
}

.directory-table-container {
  overflow-x: auto;
  max-height: 460px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  width: 100%;
  max-width: 100%;
  -webkit-overflow-scrolling: touch;
}

.directory-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
  text-align: left;
}

.directory-table th {
  background: var(--color-bg-subtle);
  color: var(--color-text-main);
  font-weight: 800;
  padding: 0.65rem 0.85rem;
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1.5px solid var(--color-border);
  white-space: nowrap;
}

.directory-table td {
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--color-border-light);
  vertical-align: middle;
  white-space: nowrap;
}

.directory-table tr:hover td {
  background: var(--color-bg-subtle);
}

/* Support Modal Channels */
.support-channels {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-top: 1rem;
}

.support-channel-card {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 0.85rem 1rem;
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.channel-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.channel-details {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.channel-details strong {
  font-size: 0.88rem;
  color: var(--color-text-main);
}

.channel-details p {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

/* Utilities */
.hidden { display: none !important; }
.inline-error {
  margin-top: 0.45rem;
  padding: 0.5rem 0.75rem;
  background: var(--color-error-bg);
  border: 1px solid var(--color-error-border);
  color: var(--color-error);
  font-size: 0.82rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

/* ==========================================================================
   Comprehensive Responsive Design & Touch-Optimized Layouts
   ========================================================================== */

/* Fluid container & global anti-overflow rules */
html, body {
  max-width: 100vw;
  overflow-x: hidden;
}

/* Base interactive elements touch targets */
button, input, select, a {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

/* Extra Large Screens (>= 1440px) */
@media (min-width: 1440px) {
  .app-grid {
    grid-template-columns: 460px 1fr;
    gap: 1.75rem;
  }
}

/* Standard Desktops & Medium Laptops (1025px – 1280px) */
@media (max-width: 1280px) {
  .main-wrapper {
    padding: 1.25rem 1rem;
  }
  .app-grid {
    grid-template-columns: 400px 1fr;
    gap: 1.25rem;
  }
  .canvas-stage {
    max-width: 760px;
  }
}

/* Tablets & Small Laptops (769px – 1024px) */
@media (max-width: 1024px) {
  .header-container {
    padding: 0.75rem 1.25rem;
  }

  .app-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .main-wrapper {
    padding: 1rem 1.25rem;
  }

  .canvas-wrapper {
    min-height: 340px;
    padding: 0.75rem;
  }

  .canvas-stage {
    max-width: 100%;
  }

  .preview-panel {
    order: 2;
  }

  .control-panel {
    order: 1;
  }

  .modal-card {
    max-height: 86vh;
  }
}

/* Mobile Devices & Large Phones (481px – 768px) */
@media (max-width: 768px) {
  .header-container {
    padding: 0.65rem 0.85rem;
    flex-direction: column;
    align-items: stretch;
    gap: 0.65rem;
  }

  .brand-section {
    gap: 0.65rem;
    justify-content: flex-start;
  }

  .brand-info h1 {
    font-size: 1.05rem;
    white-space: normal;
  }

  .header-actions {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 0.4rem;
  }

  .header-actions .btn {
    justify-content: center;
    font-size: 0.76rem;
    min-height: 38px;
    padding: 0.35rem 0.55rem;
  }

  .main-wrapper {
    padding: 0.75rem 0.5rem;
    padding-bottom: 5rem; /* Clearance for floating action bar */
  }

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

  .panel-card {
    padding: 1rem 0.85rem;
    border-radius: var(--radius-md);
  }

  .preview-panel {
    padding: 0.85rem;
    border-radius: var(--radius-md);
  }

  .preview-toolbar {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
  }

  .canvas-wrapper {
    padding: 0.4rem;
    min-height: 220px;
  }

  .canvas-stage {
    padding: 2px;
    border-radius: 6px;
  }

  .verify-input-group {
    flex-direction: column;
    gap: 0.5rem;
  }

  .verify-input-group .verify-input {
    width: 100%;
    min-height: 46px;
    font-size: 16px;
  }

  .verify-input-group .btn {
    width: 100%;
    min-height: 46px;
    justify-content: center;
  }

  .secondary-verify-fields {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }

  .mobile-floating-bar {
    display: flex;
  }

  .modal-backdrop {
    padding: 0;
    align-items: flex-end;
  }

  .modal-card {
    max-height: 92vh;
    border-radius: 20px 20px 0 0;
    width: 100%;
    margin-bottom: 0;
  }

  .modal-header {
    padding: 0.85rem 1rem;
  }

  .modal-body {
    padding: 0.85rem 1rem;
  }

  .modal-footer {
    padding: 0.75rem 1rem;
  }

  .modal-tab-bar {
    gap: 0.35rem;
    padding-bottom: 0.4rem;
  }

  .modal-tab-btn {
    font-size: 0.76rem;
    padding: 0.4rem 0.65rem;
    min-height: 38px;
  }

  .directory-filters {
    flex-direction: column;
    gap: 0.45rem;
  }

  .directory-filters select,
  .directory-filters input {
    width: 100% !important;
    min-height: 42px;
    font-size: 16px;
  }

  .directory-table-container {
    max-height: 50vh;
  }

  .directory-table th,
  .directory-table td {
    padding: 0.5rem 0.65rem;
    font-size: 0.78rem;
  }

  .footer-container {
    flex-direction: column;
    text-align: center;
    gap: 0.85rem;
  }

  .footer-brand,
  .footer-support {
    width: 100%;
    justify-content: center;
  }

  .footer-watermark {
    display: none !important;
  }
}

/* Small Mobile Screens (361px – 480px) */
@media (max-width: 480px) {
  .header-container {
    padding: 0.5rem 0.65rem;
  }

  .brand-logo-icon {
    width: 36px;
    height: 36px;
    font-size: 1.15rem;
  }

  .brand-info h1 {
    font-size: 0.95rem;
  }

  .brand-tagline {
    font-size: 0.66rem;
  }

  .header-actions {
    grid-template-columns: 1fr 1fr auto;
    gap: 0.3rem;
  }

  .header-actions .btn {
    font-size: 0.72rem;
    padding: 0.3rem 0.45rem;
    min-height: 36px;
  }

  .panel-card {
    padding: 0.85rem 0.7rem;
  }

  .panel-title {
    font-size: 0.88rem;
  }

  .search-input {
    font-size: 16px;
    padding-left: 2.1rem;
    min-height: 44px;
  }

  .topic-chips-bar {
    gap: 0.3rem;
    padding-bottom: 0.4rem;
  }

  .topic-chip {
    font-size: 0.72rem;
    padding: 0.25rem 0.55rem;
    min-height: 32px;
  }

  .preview-toolbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
  }

  .preview-zoom-controls {
    width: 100%;
    justify-content: flex-end;
  }

  .studio-footer-bar {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.4rem;
  }

  .export-actions .btn {
    min-height: 46px;
    font-size: 0.86rem;
  }

  .watermark-badge {
    padding: 0.35rem 0.65rem;
    font-size: 0.72rem;
  }

  .modal-header h2 {
    font-size: 0.98rem;
  }

  .modal-subtitle {
    font-size: 0.72rem;
  }
}

/* Extra Small Screens (<= 360px) */
@media (max-width: 360px) {
  .brand-info h1 {
    font-size: 0.86rem;
  }

  .brand-tagline {
    display: none;
  }

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

  .btn-theme-toggle {
    grid-column: span 2;
  }

  .header-actions .btn {
    font-size: 0.7rem;
    padding: 0.28rem 0.4rem;
  }

  .topic-chip {
    font-size: 0.68rem;
    padding: 0.2rem 0.45rem;
  }

  .btn {
    font-size: 0.8rem;
    padding: 0.5rem 0.75rem;
  }

  .selected-card {
    padding: 0.75rem 0.65rem;
  }

  .selected-card-name {
    font-size: 0.96rem;
  }
}

/* --------------------------------------------------------------------------
   Print Optimization
   -------------------------------------------------------------------------- */

@media print {
  body {
    background: #FFFFFF !important;
    padding: 0 !important;
  }

  .app-header,
  .control-panel,
  .preview-toolbar,
  .modal-backdrop,
  .mobile-floating-bar,
  .app-footer {
    display: none !important;
  }

  .main-wrapper,
  .preview-panel,
  .canvas-wrapper,
  .canvas-stage {
    padding: 0 !important;
    margin: 0 !important;
    border: none !important;
    box-shadow: none !important;
    background: transparent !important;
  }

  #certificate-canvas {
    width: 100vw !important;
    height: 100vh !important;
    object-fit: contain !important;
    transform: none !important;
    box-shadow: none !important;
  }
}