/* ==========================================================================
   SMART LIBRARY DESIGN SYSTEM - VANILLA CSS
   Aesthetic: Deep Space Glassmorphism, Neon Accents, Cyber-Precision
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
  /* Color Palette - HSL Tailored */
  --bg-dark: #090d16;
  --bg-card: rgba(18, 25, 43, 0.7);
  --bg-card-hover: rgba(26, 36, 62, 0.85);
  --bg-glass: rgba(15, 23, 42, 0.65);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-glow: rgba(56, 189, 248, 0.3);

  --accent-cyan: #06b6d4;
  --accent-blue: #3b82f6;
  --accent-indigo: #6366f1;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --accent-purple: #a855f7;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --glow-cyan: 0 0 25px rgba(6, 182, 212, 0.35);
  --glow-emerald: 0 0 25px rgba(16, 185, 129, 0.35);
  --glow-amber: 0 0 25px rgba(245, 158, 11, 0.35);
  --glow-rose: 0 0 25px rgba(244, 63, 94, 0.35);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --font-display: 'Outfit', sans-serif;
  --font-sans: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  background-color: var(--bg-dark);
  background-image: 
    radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.15) 0px, transparent 50%),
    radial-gradient(at 100% 0%, rgba(168, 85, 247, 0.12) 0px, transparent 50%),
    radial-gradient(at 50% 100%, rgba(6, 182, 212, 0.1) 0px, transparent 50%);
  background-attachment: fixed;
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
  background: #1e293b;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #334155;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.gradient-text {
  background: linear-gradient(135deg, #38bdf8 0%, #818cf8 50%, #c084fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-gold {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 50%, #d97706 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Navigation Bar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(9, 13, 22, 0.85);
  border-bottom: 1px solid var(--border-glass);
  padding: 0.85rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-indigo));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  box-shadow: var(--glow-cyan);
}

.brand-text h2 {
  font-size: 1.25rem;
  line-height: 1.2;
}

.brand-text span {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
}

.nav-link-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.92rem;
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-link-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.04);
}

.nav-link-btn.active {
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.1);
  border-color: rgba(56, 189, 248, 0.25);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

/* User Badge in Nav */
.user-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.35rem 0.85rem 0.35rem 0.4rem;
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid var(--border-glass);
  border-radius: 9999px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.user-badge:hover {
  border-color: var(--accent-cyan);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0ea5e9, #6366f1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
}

.user-info-mini {
  display: flex;
  flex-direction: column;
}

.user-name-mini {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
}

.user-status-tag {
  font-size: 0.68rem;
  color: var(--accent-emerald);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.user-status-tag.unverified {
  color: var(--accent-amber);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* Container */
.container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

/* Glass Card */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  position: relative;
  overflow: hidden;
  transition: var(--transition-normal);
}

.glass-panel:hover {
  border-color: rgba(255, 255, 255, 0.12);
}

.glass-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.18), transparent);
}

/* Hero Section */
.hero-banner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2rem;
  align-items: center;
  margin-bottom: 2.5rem;
  padding: 2.5rem;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.8), rgba(30, 41, 59, 0.5));
  border: 1px solid rgba(56, 189, 248, 0.15);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.hero-banner::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content h1 {
  font-size: 2.35rem;
  line-height: 1.18;
  margin-bottom: 0.85rem;
}

.hero-content p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
  max-width: 580px;
}

.hero-stats {
  display: flex;
  gap: 1.5rem;
}

.hero-stat-box {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 0.75rem 1.25rem;
  min-width: 120px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: #38bdf8;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* Digital ID Card Preview */
.digital-id-card {
  background: linear-gradient(135deg, #1e1b4b 0%, #0f172a 60%, #022c22 100%);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  color: white;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5), inset 0 0 20px rgba(56, 189, 248, 0.1);
  position: relative;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease;
}

.digital-id-card:hover {
  transform: translateY(-4px) rotate3d(1, 1, 0, 2deg);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 30px rgba(56, 189, 248, 0.25);
}

.id-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 0.85rem;
  margin-bottom: 1.25rem;
}

.id-card-title {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #38bdf8;
}

.id-card-body {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.id-qr-box {
  background: #ffffff;
  padding: 8px;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.id-qr-box:hover {
  transform: scale(1.05);
}

.id-qr-box img {
  width: 120px;
  height: 120px;
  display: block;
}

.id-student-info {
  flex: 1;
}

.id-field {
  margin-bottom: 0.5rem;
}

.id-field-label {
  font-size: 0.68rem;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.id-field-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: #f8fafc;
}

.id-field-value.highlight {
  font-family: var(--font-mono);
  color: #38bdf8;
  font-size: 1.1rem;
}

.verified-stamp {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(16, 185, 129, 0.18);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #34d399;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Tabs Navigation */
.view-tabs {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-glass);
  padding-bottom: 0.75rem;
  overflow-x: auto;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.03);
}

.tab-btn.active {
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.12);
  box-shadow: inset 0 0 15px rgba(56, 189, 248, 0.15);
}

/* Content Views */
.tab-view {
  display: none;
}
.tab-view.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* -------------------------------------------------------------
   SEAT RESERVATION / FLOOR MAP SYSTEM
   ------------------------------------------------------------- */
.seat-map-container {
  display: grid;
  grid-template-columns: 2.8fr 1.2fr;
  gap: 2rem;
}

.seat-legend {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  margin-bottom: 1.5rem;
  padding: 0.75rem 1.25rem;
  background: rgba(15, 23, 42, 0.4);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glass);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.legend-color {
  width: 14px;
  height: 14px;
  border-radius: 4px;
}

.legend-color.available {
  background: var(--accent-emerald);
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.5);
}
.legend-color.held {
  background: var(--accent-amber);
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.5);
}
.legend-color.occupied {
  background: var(--accent-rose);
  box-shadow: 0 0 8px rgba(244, 63, 94, 0.5);
}
.legend-color.selected {
  background: var(--accent-cyan);
  box-shadow: 0 0 8px rgba(6, 182, 212, 0.5);
}

.zones-wrapper {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.zone-block {
  background: rgba(15, 23, 42, 0.45);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.zone-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-bottom: 0.75rem;
}

.zone-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.1rem;
}

.zone-badge {
  font-size: 0.72rem;
  padding: 0.2rem 0.6rem;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 9999px;
  color: var(--text-muted);
}

.seat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(82px, 1fr));
  gap: 0.85rem;
}

/* Individual Seat Item */
.seat-item {
  aspect-ratio: 1;
  background: rgba(30, 41, 59, 0.6);
  border: 1.5px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
  user-select: none;
}

.seat-item .seat-code {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.05rem;
  color: #ffffff;
}

.seat-item .seat-status-text {
  font-size: 0.65rem;
  text-transform: uppercase;
  margin-top: 0.2rem;
  font-weight: 500;
}

.seat-item .seat-icon {
  font-size: 1.1rem;
  margin-bottom: 0.1rem;
}

/* Available State */
.seat-item.available {
  border-color: rgba(16, 185, 129, 0.35);
  background: rgba(16, 185, 129, 0.08);
}
.seat-item.available:hover {
  transform: translateY(-4px) scale(1.04);
  border-color: var(--accent-emerald);
  background: rgba(16, 185, 129, 0.18);
  box-shadow: var(--glow-emerald);
}
.seat-item.available .seat-status-text {
  color: #34d399;
}

/* Held State */
.seat-item.held {
  border-color: rgba(245, 158, 11, 0.35);
  background: rgba(245, 158, 11, 0.08);
  cursor: not-allowed;
}
.seat-item.held .seat-status-text {
  color: #fbbf24;
}

/* Occupied State */
.seat-item.occupied {
  border-color: rgba(244, 63, 94, 0.3);
  background: rgba(244, 63, 94, 0.08);
  cursor: not-allowed;
  opacity: 0.75;
}
.seat-item.occupied .seat-status-text {
  color: #fb7185;
}

/* Selected State */
.seat-item.selected {
  border-color: var(--accent-cyan) !important;
  background: rgba(6, 182, 212, 0.25) !important;
  box-shadow: var(--glow-cyan) !important;
  transform: scale(1.05);
}

/* Active student's own seat */
.seat-item.my-seat {
  border-color: #a855f7 !important;
  background: rgba(168, 85, 247, 0.25) !important;
  box-shadow: 0 0 20px rgba(168, 85, 247, 0.5) !important;
}

/* Seat Action Panel (Right Side) */
.seat-action-card {
  position: sticky;
  top: 90px;
}

.seat-details-box {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.seat-details-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.65rem;
  font-size: 0.9rem;
}
.seat-details-row:last-child {
  margin-bottom: 0;
}
.seat-details-label {
  color: var(--text-muted);
}
.seat-details-value {
  font-weight: 600;
  color: var(--text-main);
}

/* -------------------------------------------------------------
   CARD VERIFICATION / LOCAL OCR VIEW
   ------------------------------------------------------------- */
.ocr-layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 2rem;
}

.upload-card-box {
  border: 2px dashed rgba(56, 189, 248, 0.35);
  border-radius: var(--radius-lg);
  padding: 2.5rem 1.5rem;
  text-align: center;
  background: rgba(15, 23, 42, 0.4);
  cursor: pointer;
  transition: var(--transition-fast);
  position: relative;
}

.upload-card-box:hover {
  border-color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.04);
}

.upload-icon {
  font-size: 3rem;
  color: #38bdf8;
  margin-bottom: 1rem;
}

.sample-cards-container {
  margin-top: 1.5rem;
  text-align: left;
}

.sample-card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.sample-card-btn {
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  cursor: pointer;
  color: var(--text-main);
  text-align: left;
  transition: var(--transition-fast);
  font-size: 0.85rem;
}

.sample-card-btn:hover {
  border-color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.1);
}

.ocr-result-panel {
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.ocr-field-preview {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem;
  background: rgba(30, 41, 59, 0.4);
  border-radius: var(--radius-sm);
  margin-bottom: 0.65rem;
  border-left: 3px solid var(--accent-cyan);
}

.ocr-field-name {
  font-size: 0.82rem;
  color: var(--text-muted);
}
.ocr-field-val {
  font-family: var(--font-mono);
  font-weight: 600;
  color: #38bdf8;
}

/* -------------------------------------------------------------
   BOOK CATALOG & QR BORROW VIEW
   ------------------------------------------------------------- */
.books-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.75rem;
  gap: 1rem;
}

.search-input-wrapper {
  position: relative;
  flex: 1;
  max-width: 450px;
}

.search-input {
  width: 100%;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem 0.75rem 2.5rem;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition-fast);
}

.search-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.2);
}

.search-icon-pos {
  position: absolute;
  left: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.book-card {
  background: rgba(18, 25, 43, 0.7);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.book-card:hover {
  transform: translateY(-6px);
  border-color: rgba(56, 189, 248, 0.35);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
}

.book-cover-wrap {
  height: 180px;
  position: relative;
  overflow: hidden;
  background: #0f172a;
}

.book-cover-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.book-card:hover .book-cover-wrap img {
  transform: scale(1.08);
}

.book-badge-status {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border-radius: 9999px;
  backdrop-filter: blur(8px);
}

.book-badge-status.available {
  background: rgba(16, 185, 129, 0.85);
  color: #ffffff;
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.4);
}

.book-badge-status.in_use {
  background: rgba(244, 63, 94, 0.85);
  color: #ffffff;
  box-shadow: 0 0 12px rgba(244, 63, 94, 0.4);
}

.book-info {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.book-category {
  font-size: 0.72rem;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.4rem;
}

.book-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  line-height: 1.35;
}

.book-author {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
}

.book-meta {
  margin-top: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 0.85rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.book-code-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* -------------------------------------------------------------
   BUTTONS & FORM CONTROLS
   ------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition-fast);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(6, 182, 212, 0.5);
}

.btn-emerald {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.35);
}

.btn-emerald:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.5);
}

.btn-amber {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.35);
}

.btn-secondary {
  background: rgba(30, 41, 59, 0.7);
  border-color: var(--border-glass);
  color: var(--text-main);
}

.btn-secondary:hover {
  background: rgba(51, 65, 85, 0.8);
  border-color: rgba(255, 255, 255, 0.15);
}

.btn-danger {
  background: rgba(244, 63, 94, 0.15);
  border-color: rgba(244, 63, 94, 0.35);
  color: #fb7185;
}

.btn-danger:hover {
  background: rgba(244, 63, 94, 0.3);
}

.btn-block {
  width: 100%;
}

.btn-sm {
  padding: 0.45rem 0.85rem;
  font-size: 0.82rem;
}

.btn-lg {
  padding: 1rem 1.8rem;
  font-size: 1.1rem;
}

/* Form Styles */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 0.45rem;
}

.form-input {
  width: 100%;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition-fast);
}

.form-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.25);
}

/* Modal Overlay */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal-overlay.active {
  display: flex;
  animation: fadeIn 0.2s ease;
}

.modal-card {
  background: #0f172a;
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: var(--radius-xl);
  max-width: 520px;
  width: 100%;
  padding: 2rem;
  position: relative;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6), var(--glow-cyan);
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.4rem;
  cursor: pointer;
  line-height: 1;
}
.modal-close-btn:hover {
  color: white;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  min-width: 320px;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: slideInRight 0.3s ease;
}

.toast.success {
  border-left: 4px solid var(--accent-emerald);
}
.toast.error {
  border-left: 4px solid var(--accent-rose);
}
.toast.info {
  border-left: 4px solid var(--accent-cyan);
}

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* -------------------------------------------------------------
   KIOSK TERMINAL SPECIFIC STYLES
   ------------------------------------------------------------- */
.kiosk-body {
  background: radial-gradient(circle at 50% 30%, #1e1b4b 0%, #090d16 80%);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.kiosk-header {
  padding: 1.5rem 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(10, 15, 29, 0.6);
  backdrop-filter: blur(15px);
}

.kiosk-live-clock {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: #38bdf8;
  font-weight: 700;
}

.kiosk-stage {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2.5rem;
}

.kiosk-scanner-frame {
  max-width: 650px;
  width: 100%;
  text-align: center;
}

.qr-target-box {
  width: 300px;
  height: 300px;
  margin: 2rem auto;
  position: relative;
  border: 2px dashed rgba(56, 189, 248, 0.4);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: rgba(15, 23, 42, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
}

.qr-laser-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, #38bdf8, transparent);
  box-shadow: 0 0 15px #38bdf8;
  animation: laserScan 2.4s infinite alternate ease-in-out;
}

@keyframes laserScan {
  0% { top: 10%; }
  100% { top: 90%; }
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-banner {
    grid-template-columns: 1fr;
  }
  .seat-map-container {
    grid-template-columns: 1fr;
  }
  .ocr-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .navbar {
    padding: 0.75rem 1rem;
  }
  .nav-links {
    display: none;
  }
  .container {
    padding: 1rem;
  }
}