/* ============================================
   SISTEMA DE CERTIFICADOS DE EXTINTORES
   Design System & Global Styles
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ==================== CSS VARIABLES ==================== */
:root {
  /* Primary - Fire Red */
  --primary-50: #fef2f2;
  --primary-100: #fee2e2;
  --primary-200: #fecaca;
  --primary-300: #fca5a5;
  --primary-400: #f87171;
  --primary-500: #ef4444;
  --primary-600: #dc2626;
  --primary-700: #b91c1c;
  --primary-800: #991b1b;
  --primary-900: #7f1d1d;

  /* Accent - Orange */
  --accent-400: #fb923c;
  --accent-500: #f97316;
  --accent-600: #ea580c;

  /* Success - Green */
  --success-400: #4ade80;
  --success-500: #22c55e;
  --success-600: #16a34a;

  /* Warning - Amber */
  --warning-400: #fbbf24;
  --warning-500: #f59e0b;
  --warning-600: #d97706;

  /* Danger */
  --danger-500: #ef4444;
  --danger-600: #dc2626;

  /* Dark theme */
  --bg-primary: #0f0f1a;
  --bg-secondary: #1a1a2e;
  --bg-tertiary: #16213e;
  --bg-card: rgba(26, 26, 46, 0.8);
  --bg-glass: rgba(26, 26, 46, 0.6);
  --bg-input: rgba(255, 255, 255, 0.06);
  
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-accent: #f97316;

  --border-color: rgba(255, 255, 255, 0.08);
  --border-subtle: rgba(255, 255, 255, 0.04);

  /* Gradients */
  --gradient-fire: linear-gradient(135deg, #dc2626, #f97316);
  --gradient-fire-subtle: linear-gradient(135deg, rgba(220, 38, 38, 0.1), rgba(249, 115, 22, 0.1));
  --gradient-success: linear-gradient(135deg, #059669, #10b981);
  --gradient-warning: linear-gradient(135deg, #d97706, #f59e0b);
  --gradient-dark: linear-gradient(135deg, #0f0f1a, #1a1a2e);
  --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow-red: 0 0 30px rgba(220, 38, 38, 0.3);
  --shadow-glow-orange: 0 0 30px rgba(249, 115, 22, 0.2);

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;

  /* Border radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;
}

/* ==================== RESET & BASE ==================== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Animated background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(ellipse at 20% 50%, rgba(220, 38, 38, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(249, 115, 22, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(220, 38, 38, 0.04) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

a {
  color: var(--accent-500);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-400);
}

img { max-width: 100%; height: auto; }

/* ==================== UTILITIES ==================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  position: relative;
  z-index: 1;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ==================== TYPOGRAPHY ==================== */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
  color: var(--text-primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.25rem; }

.text-gradient {
  background: var(--gradient-fire);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-success { color: var(--success-500); }
.text-warning { color: var(--warning-500); }
.text-danger { color: var(--danger-500); }

/* ==================== GLASS CARD ==================== */
.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* ==================== BUTTONS ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-md);
  font-family: 'Inter', sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0);
  transition: background var(--transition-fast);
}

.btn:hover::after {
  background: rgba(255, 255, 255, 0.1);
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--gradient-fire);
  color: white;
  box-shadow: var(--shadow-glow-red);
}

.btn-primary:hover {
  box-shadow: 0 0 40px rgba(220, 38, 38, 0.5);
}

.btn-secondary {
  background: var(--bg-glass);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  border-color: var(--primary-500);
}

.btn-success {
  background: var(--gradient-success);
  color: white;
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 8px 16px;
}

.btn-ghost:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.8rem;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1rem;
}

.btn-full {
  width: 100%;
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-sm);
}

/* ==================== FORM ELEMENTS ==================== */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-sm);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
  background: rgba(255, 255, 255, 0.08);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  padding-right: 40px;
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

/* Input group */
.input-group {
  position: relative;
}

.input-group .input-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1.1rem;
  pointer-events: none;
}

.input-group .form-input {
  padding-left: 44px;
}

/* ==================== BADGES ==================== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.badge-success {
  background: rgba(34, 197, 94, 0.15);
  color: var(--success-400);
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning-400);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.badge-danger {
  background: rgba(239, 68, 68, 0.15);
  color: var(--primary-400);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.badge-neutral {
  background: rgba(148, 163, 184, 0.15);
  color: var(--text-secondary);
  border: 1px solid rgba(148, 163, 184, 0.2);
}

/* ==================== STAT CARDS ==================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.stat-card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
}

.stat-card.fire::before { background: var(--gradient-fire); }
.stat-card.success::before { background: var(--gradient-success); }
.stat-card.warning::before { background: var(--gradient-warning); }

.stat-icon {
  font-size: 2rem;
  margin-bottom: var(--space-md);
}

.stat-value {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
}

/* ==================== TABLE ==================== */
.table-container {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  padding: 14px 18px;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.data-table td {
  padding: 14px 18px;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.data-table tr:hover td {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
}

.data-table tr:last-child td {
  border-bottom: none;
}

/* ==================== NAVBAR ==================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 15, 26, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: var(--space-md) 0;
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--text-primary);
}

.navbar-brand .fire-icon {
  font-size: 1.5rem;
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

/* ==================== LOGIN PAGE ==================== */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--space-lg);
}

.login-container {
  width: 100%;
  max-width: 440px;
  text-align: center;
}

.login-logo {
  font-size: 4rem;
  margin-bottom: var(--space-lg);
  animation: flame 2s ease-in-out infinite;
}

@keyframes flame {
  0%, 100% { transform: scale(1); filter: brightness(1); }
  50% { transform: scale(1.05); filter: brightness(1.2); }
}

.login-title {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: var(--space-sm);
}

.login-subtitle {
  color: var(--text-muted);
  margin-bottom: var(--space-2xl);
  font-size: 0.95rem;
}

.login-card {
  background: var(--bg-glass);
  backdrop-filter: blur(30px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-lg);
}

.login-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: var(--primary-400);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  font-size: 0.875rem;
  display: none;
}

.login-error.visible {
  display: block;
  animation: shake 0.4s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-8px); }
  75% { transform: translateX(8px); }
}

.login-divider {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin: var(--space-xl) 0;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.login-divider::before,
.login-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-color);
}

/* ==================== DASHBOARD ==================== */
.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
  gap: var(--space-md);
}

.welcome-text {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.welcome-name {
  font-size: 1.5rem;
  font-weight: 800;
}

/* ==================== EXTINTOR CARDS ==================== */
.extintores-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-lg);
}

.extintor-card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.extintor-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-fire);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.extintor-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(220, 38, 38, 0.3);
}

.extintor-card:hover::before {
  opacity: 1;
}

.extintor-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
}

.extintor-type {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.extintor-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: var(--gradient-fire-subtle);
}

.extintor-name {
  font-weight: 700;
  font-size: 1.1rem;
}

.extintor-agent {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.extintor-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.detail-item {
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-sm);
}

.detail-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 2px;
}

.detail-value {
  font-size: 0.95rem;
  font-weight: 600;
}

.extintor-actions {
  display: flex;
  gap: var(--space-sm);
}

/* ==================== MODAL ==================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--space-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9) translateY(20px);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-xl);
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 700;
}

.modal-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 1.2rem;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: rgba(239, 68, 68, 0.2);
  color: var(--primary-400);
}

.modal-body {
  padding: var(--space-xl);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-md);
  padding: var(--space-xl);
  border-top: 1px solid var(--border-color);
}

/* ==================== TOAST NOTIFICATIONS ==================== */
.toast-container {
  position: fixed;
  top: var(--space-lg);
  right: var(--space-lg);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 300px;
  animation: slideIn 0.3s ease;
  position: relative;
  overflow: hidden;
}

.toast::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
}

.toast-success::before { background: var(--success-500); }
.toast-error::before { background: var(--danger-500); }
.toast-info::before { background: var(--accent-500); }

.toast-icon { font-size: 1.2rem; }
.toast-message { font-size: 0.875rem; flex: 1; }

.toast-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1rem;
  padding: 4px;
}

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

/* ==================== LOADING ==================== */
.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--border-color);
  border-top-color: var(--primary-500);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 15, 26, 0.9);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  z-index: 3000;
}

.loading-text {
  color: var(--text-secondary);
  font-size: 0.9rem;
  animation: pulse 1.5s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ==================== EMPTY STATE ==================== */
.empty-state {
  text-align: center;
  padding: var(--space-3xl);
  color: var(--text-muted);
}

.empty-icon {
  font-size: 4rem;
  margin-bottom: var(--space-lg);
  opacity: 0.5;
}

.empty-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--text-secondary);
}

.empty-description {
  font-size: 0.9rem;
  max-width: 400px;
  margin: 0 auto;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
  :root {
    --space-lg: 16px;
    --space-xl: 24px;
    --space-2xl: 32px;
  }

  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.35rem; }

  .container { padding: 0 var(--space-md); }

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

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

  .extintor-details {
    grid-template-columns: 1fr;
  }

  .dashboard-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .navbar-inner {
    padding: 0 var(--space-md);
  }

  .login-card {
    padding: var(--space-xl);
  }

  .modal {
    border-radius: var(--radius-lg);
    margin: var(--space-md);
  }

  .dates-container {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .navbar-brand span {
    display: none;
  }
  
  .btn-lg {
    padding: 14px 24px;
    font-size: 0.9rem;
  }
}

/* ==================== SCROLLBAR ==================== */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* ==================== ANIMATIONS ==================== */
.fade-in {
  animation: fadeIn 0.5s ease;
}

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

.slide-up {
  animation: slideUp 0.5s ease;
}

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

/* Staggered animation for lists */
.stagger > * {
  opacity: 0;
  animation: fadeIn 0.4s ease forwards;
}

.stagger > *:nth-child(1) { animation-delay: 0.05s; }
.stagger > *:nth-child(2) { animation-delay: 0.1s; }
.stagger > *:nth-child(3) { animation-delay: 0.15s; }
.stagger > *:nth-child(4) { animation-delay: 0.2s; }
.stagger > *:nth-child(5) { animation-delay: 0.25s; }
.stagger > *:nth-child(6) { animation-delay: 0.3s; }
.stagger > *:nth-child(7) { animation-delay: 0.35s; }
.stagger > *:nth-child(8) { animation-delay: 0.4s; }
.stagger > *:nth-child(9) { animation-delay: 0.45s; }
.stagger > *:nth-child(10) { animation-delay: 0.5s; }

/* ==================== CERTIFICATE DETAIL PAGE ==================== */
.cert-detail-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--space-xl);
}

.cert-qr-card {
  text-align: center;
  padding: var(--space-xl);
}

.cert-qr-card img {
  width: 200px;
  height: 200px;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

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

/* ==================== VIEW TRANSITIONS ==================== */
.view {
  display: none;
}

.view.active {
  display: block;
  animation: fadeIn 0.4s ease;
}

/* ==================== ADMIN SPECIFIC ==================== */
.admin-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

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

/* ==================== SEARCH BAR ==================== */
.search-bar {
  position: relative;
  margin-bottom: var(--space-xl);
}

.search-bar .form-input {
  padding-left: 44px;
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
}

.search-bar .search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1.1rem;
  pointer-events: none;
}