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

:root {
  /* Color Palette - Light Theme */
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-glow: rgba(37, 99, 235, 0.15);
  --success: #10b981;
  --success-bg: #d1fae5;
  --success-text: #065f46;
  --warning: #f59e0b;
  --warning-bg: #fef3c7;
  --warning-text: #92400e;
  --danger: #ef4444;
  --danger-bg: #fee2e2;
  --danger-text: #991b1b;
  
  --bg-gradient: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
  --card-bg: rgba(255, 255, 255, 0.75);
  --card-border: rgba(255, 255, 255, 0.6);
  --card-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.08);
  
  --text-main: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  --input-bg: rgba(255, 255, 255, 0.9);
  --input-border: #cbd5e1;
  --input-focus: #3b82f6;
  
  --glass-blur: 16px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
}

[data-theme="dark"] {
  /* Color Palette - Dark Theme */
  --primary: #3b82f6;
  --primary-hover: #60a5fa;
  --primary-glow: rgba(59, 130, 246, 0.3);
  --success: #34d399;
  --success-bg: rgba(16, 185, 129, 0.2);
  --success-text: #a7f3d0;
  --warning: #fbbf24;
  --warning-bg: rgba(245, 158, 11, 0.2);
  --warning-text: #fde68a;
  --danger: #f87171;
  --danger-bg: rgba(239, 68, 68, 0.2);
  --danger-text: #fca5a5;
  
  --bg-gradient: linear-gradient(135deg, #0f172a 0%, #020617 100%);
  --card-bg: rgba(30, 41, 59, 0.65);
  --card-border: rgba(255, 255, 255, 0.05);
  --card-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  
  --text-main: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  
  --input-bg: rgba(15, 23, 42, 0.6);
  --input-border: #334155;
  --input-focus: #60a5fa;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

body {
  font-family: 'Sarabun', 'Outfit', -apple-system, sans-serif;
  background: var(--bg-gradient);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.05);
}
::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.5);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(100, 116, 139, 0.7);
}

/* Base Layout Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 16px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

/* Premium Navigation Bar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background: var(--card-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--card-border);
  box-shadow: var(--card-shadow);
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  z-index: 10;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--primary);
  font-family: 'Outfit', 'Sarabun', sans-serif;
  letter-spacing: 0.5px;
}

.logo-img {
  height: 40px;
  width: auto;
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(37, 99, 235, 0.2);
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.logo-img:hover {
  transform: rotate(360deg);
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Navigation Tabs */
.nav-tabs {
  display: flex;
  background: rgba(0, 0, 0, 0.05);
  padding: 4px;
  border-radius: 20px;
  gap: 2px;
}

.nav-tab {
  padding: 8px 18px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-weight: 600;
  border-radius: 16px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.25s ease;
}

.nav-tab.active {
  background: var(--primary);
  color: white;
  box-shadow: 0 4px 12px var(--primary-glow);
}

/* Theme Toggle & Logged User Panel */
.theme-btn {
  background: transparent;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.theme-btn:hover {
  background: rgba(0, 0, 0, 0.05);
  color: var(--primary);
}

.user-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-glow);
  color: var(--primary);
  padding: 6px 14px;
  border-radius: 20px;
  font-weight: 600;
  font-size: 0.85rem;
}

.logout-btn {
  background: transparent;
  border: 1px solid var(--danger);
  color: var(--danger);
  padding: 6px 14px;
  border-radius: 20px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.85rem;
  transition: all 0.25s;
}

.logout-btn:hover {
  background: var(--danger);
  color: white;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2);
}

/* Hero Profile Card (Teacher & Institution info) */
.hero-card {
  display: flex;
  background: var(--card-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--card-border);
  box-shadow: var(--card-shadow);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 24px;
  align-items: center;
  gap: 24px;
  position: relative;
  overflow: hidden;
}

.hero-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
  z-index: 0;
  pointer-events: none;
}

.teacher-avatar-container {
  position: relative;
  z-index: 1;
}

.teacher-avatar {
  width: 100px;
  height: 100px;
  border-radius: 20px;
  object-fit: cover;
  border: 3px solid white;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
  background-color: #cbd5e1;
}

[data-theme="dark"] .teacher-avatar {
  border-color: #1e293b;
}

.teacher-glow {
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border-radius: 24px;
  background: linear-gradient(45deg, var(--primary), var(--success));
  z-index: -1;
  animation: rotateGlow 6s linear infinite;
}

@keyframes rotateGlow {
  100% { transform: rotate(360deg); }
}

.hero-info {
  flex-grow: 1;
  z-index: 1;
}

.hero-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 4px;
  color: var(--text-main);
}

.hero-subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 8px;
}

.teacher-tag {
  display: inline-block;
  background: var(--primary);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 12px;
  text-transform: uppercase;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 12px;
  border-top: 1px solid rgba(148, 163, 184, 0.15);
  padding-top: 12px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Page Section Transitions */
.page-section {
  display: none;
  animation: fadeIn 0.4s ease-out forwards;
}

.page-section.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Login Card Grid & Card styles */
.login-card {
  max-width: 420px;
  width: 100%;
  margin: 40px auto;
  background: var(--card-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--card-border);
  box-shadow: var(--card-shadow);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
}

.login-icon {
  width: 64px;
  height: 64px;
  background: var(--primary-glow);
  color: var(--primary);
  border-radius: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 16px;
}

.login-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.login-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 18px;
  text-align: left;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-secondary);
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--text-main);
  font-size: 1rem;
  outline: none;
  font-family: 'Outfit', sans-serif;
  letter-spacing: 0.5px;
}

.form-input:focus {
  border-color: var(--input-focus);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.login-btn {
  width: 100%;
  padding: 12px;
  background: var(--primary);
  border: none;
  color: white;
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  box-shadow: 0 4px 12px var(--primary-glow);
  transition: all 0.2s;
  margin-top: 8px;
}

.login-btn:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

.login-btn:active {
  transform: translateY(1px);
}

/* Date Restriction Card */
.alert-card {
  background: var(--card-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--card-border);
  box-shadow: var(--card-shadow);
  border-radius: var(--radius-md);
  padding: 32px;
  text-align: center;
  max-width: 600px;
  margin: 40px auto;
}

.alert-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

.alert-card h2 {
  font-size: 1.5rem;
  margin-bottom: 12px;
  color: var(--danger);
}

[data-theme="dark"] .alert-card h2 {
  color: var(--danger-text);
}

.alert-card p {
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.5;
}

.alert-badge-group {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 24px;
}

.alert-day-badge {
  padding: 8px 16px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.85rem;
  background: var(--text-muted);
  color: white;
}

.alert-day-badge.active {
  background: var(--success);
  box-shadow: 0 4px 10px rgba(16, 185, 129, 0.2);
}

/* Check-in Workspace */
.checkin-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
}

@media (max-width: 768px) {
  .checkin-grid {
    grid-template-columns: 1fr;
  }
}

.panel-card {
  background: var(--card-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--card-border);
  box-shadow: var(--card-shadow);
  border-radius: var(--radius-md);
  padding: 24px;
}

.panel-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.15);
  padding-bottom: 12px;
}

/* Camera viewport and controls */
.camera-container {
  width: 100%;
  position: relative;
  aspect-ratio: 4/3;
  background: #000;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: inset 0 0 20px rgba(0,0,0,0.8);
  margin-bottom: 16px;
  border: 2px solid var(--card-border);
}

.camera-stream {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scaleX(-1); /* Mirror view for natural interaction */
}

.photo-preview {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: none;
}

.camera-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.4);
  color: white;
  font-size: 0.9rem;
  flex-direction: column;
  gap: 12px;
  pointer-events: none;
}

.camera-guide-ring {
  width: 200px;
  height: 200px;
  border: 2px dashed rgba(255,255,255,0.6);
  border-radius: 50%;
  pointer-events: none;
  animation: spinGuide 20s linear infinite;
}

@keyframes spinGuide {
  100% { transform: rotate(360deg); }
}

.camera-controls {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.camera-btn {
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  border: none;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s;
}

.btn-capture {
  background: var(--primary);
  color: white;
  box-shadow: 0 4px 10px var(--primary-glow);
}

.btn-capture:hover {
  background: var(--primary-hover);
}

.btn-retake {
  background: var(--warning);
  color: white;
  display: none;
  box-shadow: 0 4px 10px rgba(245, 158, 11, 0.2);
}

.btn-retake:hover {
  background: #d97706;
}

.btn-upload-fallback {
  background: rgba(148, 163, 184, 0.2);
  color: var(--text-main);
  border: 1px dashed var(--input-border);
}

.btn-upload-fallback:hover {
  background: rgba(148, 163, 184, 0.3);
}

.file-input {
  display: none;
}

/* Digital Clock */
.clock-card {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  color: white;
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  margin-bottom: 20px;
  box-shadow: var(--card-shadow);
  border: 1px solid rgba(255,255,255,0.05);
}

.clock-time {
  font-size: 2.25rem;
  font-weight: 800;
  font-family: 'Outfit', sans-serif;
  letter-spacing: 1px;
  color: #38bdf8;
  text-shadow: 0 0 10px rgba(56, 189, 248, 0.4);
}

.clock-date {
  font-size: 0.9rem;
  color: #94a3b8;
  margin-top: 4px;
}

/* Student Profile Check-in Panel */
.student-info-row {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid rgba(148, 163, 184, 0.15);
}

.student-info-row:last-child {
  border-bottom: none;
}

.student-info-label {
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.student-info-val {
  font-weight: 700;
  color: var(--text-main);
  font-size: 0.95rem;
}

.checkin-submit-btn {
  width: 100%;
  padding: 14px;
  background: var(--success);
  border: none;
  color: white;
  font-size: 1.1rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
  margin-top: 24px;
  transition: all 0.25s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.checkin-submit-btn:hover {
  background: #059669;
  transform: translateY(-1px);
}

.checkin-submit-btn:disabled {
  background: var(--text-muted);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* Dashboard Summary section */
.dashboard-grid {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.stat-card {
  background: var(--card-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--card-border);
  box-shadow: var(--card-shadow);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.stat-icon.total { background: rgba(59, 130, 246, 0.15); color: #3b82f6; }
.stat-icon.present { background: rgba(16, 185, 129, 0.15); color: #10b981; }
.stat-icon.absent { background: rgba(239, 68, 68, 0.15); color: #ef4444; }

.stat-info {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 800;
  font-family: 'Outfit', sans-serif;
  color: var(--text-main);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Filter controls bar */
.control-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  background: var(--card-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--card-border);
  box-shadow: var(--card-shadow);
  border-radius: var(--radius-md);
  padding: 16px 20px;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.select-custom {
  padding: 10px 16px;
  border-radius: 10px;
  border: 1px solid var(--input-border);
  background: var(--input-bg);
  color: var(--text-main);
  font-weight: 600;
  outline: none;
  cursor: pointer;
  font-size: 0.9rem;
}

.select-custom:focus {
  border-color: var(--primary);
}

.search-input {
  padding: 10px 16px;
  border-radius: 10px;
  border: 1px solid var(--input-border);
  background: var(--input-bg);
  color: var(--text-main);
  outline: none;
  width: 240px;
  font-size: 0.9rem;
}

.search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

/* Attendance Table */
.table-container {
  background: var(--card-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--card-border);
  box-shadow: var(--card-shadow);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.attendance-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.attendance-table th,
.attendance-table td {
  padding: 14px 20px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.15);
}

.attendance-table th {
  background: rgba(0, 0, 0, 0.02);
  color: var(--text-secondary);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

[data-theme="dark"] .attendance-table th {
  background: rgba(255, 255, 255, 0.02);
}

.attendance-table tr {
  transition: background-color 0.2s;
}

.attendance-table tbody tr:hover {
  background-color: rgba(37, 99, 235, 0.02);
}

/* Status Badges in web app */
.badge {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 700;
  text-align: center;
}

.badge-present {
  background: var(--success-bg);
  color: var(--success-text);
}

.badge-absent {
  background: var(--danger-bg);
  color: var(--danger-text);
}

/* Table Photo Thumbnail */
.table-photo {
  width: 50px;
  height: 50px;
  border-radius: 8px;
  object-fit: cover;
  cursor: pointer;
  border: 1px solid var(--card-border);
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  transition: transform 0.2s;
}

.table-photo:hover {
  transform: scale(1.1);
}

.no-photo {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-style: italic;
}

/* Settings view */
.settings-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 600px;
  margin: 0 auto;
}

.settings-card {
  background: var(--card-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--card-border);
  box-shadow: var(--card-shadow);
  border-radius: var(--radius-md);
  padding: 24px;
}

.setting-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid rgba(148, 163, 184, 0.15);
}

.setting-row:last-child {
  border-bottom: none;
}

.setting-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.setting-label {
  font-weight: 700;
  font-size: 0.95rem;
}

.setting-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Toggle Switch Styling */
.switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 26px;
}

.switch input { 
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--text-muted);
  transition: .4s;
  border-radius: 34px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: .4s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--primary);
}

input:focus + .slider {
  box-shadow: 0 0 1px var(--primary);
}

input:checked + .slider:before {
  transform: translateX(24px);
}

/* Modal Popup */
.modal {
  display: none;
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(5px);
  justify-content: center;
  align-items: center;
  animation: fadeInModal 0.25s ease-out;
}

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

.modal-content {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  box-shadow: var(--card-shadow);
  border-radius: var(--radius-md);
  max-width: 500px;
  width: 90%;
  overflow: hidden;
  position: relative;
  animation: slideUpModal 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes slideUpModal {
  from { transform: translateY(30px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.15);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  font-weight: 700;
  font-size: 1.1rem;
}

.modal-close {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--text-secondary);
  cursor: pointer;
  line-height: 1;
}

.modal-close:hover {
  color: var(--danger);
}

.modal-body {
  padding: 20px;
  text-align: center;
}

.modal-body img {
  max-width: 100%;
  max-height: 400px;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* Toast Messages */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  color: white;
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: 0 8px 16px rgba(0,0,0,0.15);
  display: flex;
  align-items: center;
  gap: 8px;
  animation: slideInToast 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), fadeOutToast 0.3s 2.7s forwards;
  min-width: 250px;
}

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

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

.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
.toast-warning { background: var(--warning); }

/* Footer */
.footer {
  text-align: center;
  padding: 24px;
  color: var(--text-muted);
  font-size: 0.8rem;
  border-top: 1px solid rgba(148, 163, 184, 0.1);
  margin-top: 40px;
}

/* Loading animations */
.spinner {
  border: 3px solid rgba(255,255,255,0.3);
  border-top: 3px solid white;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  animation: spin 0.8s linear infinite;
  display: inline-block;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.table-loading {
  text-align: center;
  padding: 40px !important;
  color: var(--text-secondary);
}

.loading-text-anim::after {
  content: '.';
  animation: dots 1.5s infinite;
}

@keyframes dots {
  0%, 20% { content: '.'; }
  40% { content: '..'; }
  60%, 100% { content: '...'; }
}

/* Empty data state */
.empty-state {
  text-align: center;
  padding: 40px !important;
  color: var(--text-secondary);
}

.empty-icon {
  font-size: 2rem;
  margin-bottom: 8px;
}