:root {
  --primary: #0a1628;
  --primary-mid: #132044;
  --primary-soft: #1e3a6e;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --accent-glow: rgba(59, 130, 246, 0.35);
  --cyan: #22d3ee;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --text: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --surface: #ffffff;
  --surface-elevated: rgba(255, 255, 255, 0.97);
  --border: #e2e8f0;
  --border-soft: rgba(255, 255, 255, 0.12);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.08), 0 4px 12px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.12), 0 8px 20px rgba(15, 23, 42, 0.06);
  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background: var(--primary);
  -webkit-font-smoothing: antialiased;
}

body.page-auth {
  background:
    linear-gradient(160deg, rgba(6, 13, 26, 0.45) 0%, rgba(10, 22, 40, 0.55) 100%),
    url('background.jpg') center / cover no-repeat fixed,
    #0a1628;
}

body.page-app {
  background:
    radial-gradient(ellipse 80% 60% at 10% 0%, rgba(59, 130, 246, 0.18), transparent 55%),
    radial-gradient(ellipse 70% 50% at 90% 100%, rgba(34, 211, 238, 0.12), transparent 50%),
    linear-gradient(160deg, #060d1a 0%, #0a1628 40%, #132044 100%);
}

body.page-app::before {
  content: '';
  position: fixed;
  inset: 0;
  background: url('background.jpg') center / cover no-repeat;
  opacity: 0.08;
  pointer-events: none;
  z-index: 0;
}

/* Header */
.app-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  background: rgba(10, 22, 40, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-soft);
}

.app-header__brand {
  display: flex;
  align-items: center;
  gap: 14px;
  color: #fff;
  text-decoration: none;
}

.app-header__logo {
  height: 44px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
}

.app-header__title {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.app-header__badge {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(59, 130, 246, 0.2);
  color: var(--cyan);
  border: 1px solid rgba(34, 211, 238, 0.25);
}

.app-header__user {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.875rem;
  font-weight: 500;
}

.app-header__user i {
  font-size: 1.25rem;
  color: var(--cyan);
}

/* Layout */
.page-wrap {
  position: relative;
  z-index: 1;
  padding: calc(var(--header-height) + 2rem) 1.5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.page-wrap--narrow {
  max-width: 520px;
}

.page-wrap--medium {
  max-width: 640px;
}

/* Cards */
.card-panel {
  background: var(--surface-elevated);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.6);
  overflow: hidden;
}

.card-panel__header {
  padding: 1.75rem 2rem 0;
}

.card-panel__body {
  padding: 1.5rem 2rem 2rem;
}

.card-panel__title {
  margin: 0 0 0.35rem;
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

.card-panel__subtitle {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

.section-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.section-label i {
  color: var(--accent);
}

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

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.5rem;
  letter-spacing: 0.02em;
}

.form-control,
.form-select {
  width: 100%;
  padding: 0.8rem 1rem;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text);
  background: #f8fafc;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

.form-control::placeholder {
  color: var(--text-light);
}

.form-control:focus,
.form-select:focus {
  outline: none;
  border-color: var(--accent);
  background: #fff;
  box-shadow: 0 0 0 4px var(--accent-glow);
}

.input-icon-wrap {
  position: relative;
}

.input-icon-wrap i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
  font-size: 1rem;
  pointer-events: none;
}

.input-icon-wrap .form-control {
  padding-left: 2.75rem;
}

/* Buttons */
.btn-app {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0.75rem 1.25rem;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s, opacity 0.2s;
  text-decoration: none;
  white-space: nowrap;
}

.btn-app:hover {
  transform: translateY(-1px);
}

.btn-app:active {
  transform: translateY(0);
}

.btn-app--primary {
  background: linear-gradient(135deg, var(--accent) 0%, #1d4ed8 100%);
  color: #fff;
  box-shadow: 0 4px 14px var(--accent-glow);
}

.btn-app--primary:hover {
  box-shadow: 0 6px 20px var(--accent-glow);
}

.btn-app--success {
  background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
  color: #fff;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
}

.btn-app--warning {
  background: linear-gradient(135deg, var(--warning) 0%, #d97706 100%);
  color: #fff;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3);
}

.btn-app--danger {
  background: linear-gradient(135deg, var(--danger) 0%, #dc2626 100%);
  color: #fff;
  box-shadow: 0 4px 14px rgba(239, 68, 68, 0.3);
}

.btn-app--ghost {
  background: #f1f5f9;
  color: var(--text);
  border: 1.5px solid var(--border);
  box-shadow: none;
}

.btn-app--ghost:hover {
  background: #e2e8f0;
}

.btn-app--outline-light {
  background: transparent;
  color: rgba(255, 255, 255, 0.9);
  border: 1.5px solid rgba(255, 255, 255, 0.25);
}

.btn-app--block {
  width: 100%;
}

.btn-app--lg {
  padding: 0.9rem 1.5rem;
  font-size: 1rem;
}

.btn-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Login page */
.login-page {
  position: relative;
  z-index: 10;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: calc(var(--header-height) + 2rem) 1.5rem 2rem;
  isolation: isolate;
}

.login-card-shell {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: 440px;
  padding: 6px;
  border-radius: calc(var(--radius-lg) + 6px);
  background: #0f172a;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
}

.login-card {
  width: 100%;
  max-width: 100%;
  background-color: #ffffff !important;
  opacity: 1 !important;
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  box-shadow: none;
  border: 2px solid #e2e8f0;
  position: relative;
  z-index: 2;
}

.login-card .form-control {
  background-color: #ffffff !important;
  color: #0f172a !important;
  border: 2px solid #94a3b8 !important;
  opacity: 1 !important;
}

.login-card .form-control:focus {
  background-color: #ffffff !important;
  border-color: #3b82f6 !important;
  color: #0f172a !important;
}

.login-card .form-control::placeholder {
  color: #64748b !important;
  opacity: 1 !important;
}

.login-card .form-label {
  color: #0f172a !important;
  font-weight: 700;
  opacity: 1 !important;
}

.login-card .input-icon-wrap i {
  color: #475569 !important;
  opacity: 1 !important;
}

.login-card__icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent), #1d4ed8);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  box-shadow: 0 8px 24px var(--accent-glow);
}

.login-card__icon i {
  font-size: 1.5rem;
  color: #fff;
}

.login-card h2 {
  text-align: center;
  margin: 0 0 0.5rem;
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #0f172a !important;
  opacity: 1 !important;
}

.login-card p {
  text-align: center;
  margin: 0 0 2rem;
  color: #475569 !important;
  font-size: 0.9rem;
  opacity: 1 !important;
}

/* Scanner */
.scanner-card {
  text-align: center;
}

.scanner-card .welcome-text {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.scanner-card .welcome-text strong {
  color: var(--accent);
  font-weight: 700;
}

#reader {
  width: 100%;
  max-width: 360px;
  margin: 0 auto;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 2px solid var(--border);
  background: #0f172a;
  box-shadow: var(--shadow-md);
}

#reader video {
  border-radius: var(--radius-md);
}

.status-box {
  margin-top: 1.25rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  text-align: center;
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f1f5f9;
  color: var(--text-muted);
  border: 1px solid var(--border);
  transition: background 0.3s, color 0.3s, border-color 0.3s;
}

.status-box--success {
  background: #ecfdf5;
  color: #047857;
  border-color: #a7f3d0;
}

.status-box--error {
  background: #fef2f2;
  color: #b91c1c;
  border-color: #fecaca;
}

.scanner-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.scanner-actions .btn-app {
  display: none;
}

/* Admin dashboard */
.dashboard-hero {
  margin-bottom: 1.75rem;
}

.dashboard-hero h1 {
  margin: 0 0 0.35rem;
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
}

.dashboard-hero p {
  margin: 0;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.95rem;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.stat-card__icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.stat-card__icon--blue {
  background: rgba(59, 130, 246, 0.2);
  color: #60a5fa;
}

.stat-card__icon--green {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
}

.stat-card__icon--amber {
  background: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
}

.stat-card__value {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}

.stat-card__label {
  font-size: 0.75rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.5);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 4px;
}

.filter-panel {
  background: #f8fafc;
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--border);
}

.filter-panel .row {
  --bs-gutter-x: 1rem;
  --bs-gutter-y: 0.75rem;
}

#logs-container {
  max-height: 380px;
  overflow: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

#logs-container::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

#logs-container::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 3px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  margin: 0;
}

.data-table thead {
  position: sticky;
  top: 0;
  z-index: 2;
}

.data-table th {
  background: var(--primary-mid);
  color: #fff;
  font-weight: 600;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.85rem 0.75rem;
  text-align: left;
  white-space: nowrap;
}

.data-table td {
  padding: 0.75rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  vertical-align: middle;
}

.data-table tbody tr {
  cursor: pointer;
  transition: background 0.15s;
}

.data-table tbody tr:hover {
  background: #eff6ff;
}

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

.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--text-muted);
}

.empty-state i {
  font-size: 2.5rem;
  color: var(--border);
  margin-bottom: 1rem;
  display: block;
}

#map {
  height: 420px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  margin-top: 0;
}

.map-section {
  margin-top: 1.5rem;
}

/* Register page */
.form-section {
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.form-section:last-of-type {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.form-section h3 {
  margin: 0 0 1.25rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-section h3 i {
  color: var(--accent);
}

.feedback-msg {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  text-align: center;
  display: none;
}

.feedback-msg--success {
  display: block;
  background: #ecfdf5;
  color: #047857;
  border: 1px solid #a7f3d0;
}

.feedback-msg--error {
  display: block;
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}

.divider-or {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 2rem 0;
  color: var(--text-light);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

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

/* Loading overlay */
.loading-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10, 22, 40, 0.6);
  backdrop-filter: blur(4px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.loading-overlay.active {
  display: flex;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 3px solid rgba(255, 255, 255, 0.2);
  border-top-color: var(--cyan);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Responsive */
@media (max-width: 768px) {
  .app-header {
    padding: 0 1rem;
  }

  .app-header__title {
    font-size: 0.95rem;
  }

  .page-wrap {
    padding: calc(var(--header-height) + 1.25rem) 1rem 1.5rem;
  }

  .card-panel__header,
  .card-panel__body {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .dashboard-hero h1 {
    font-size: 1.5rem;
  }

  .btn-toolbar {
    flex-direction: column;
  }

  .btn-toolbar .btn-app {
    width: 100%;
  }

  .login-card {
    padding: 2rem 1.5rem;
  }
}

@media (max-width: 576px) {
  .app-header__badge {
    display: none;
  }

  .stat-card {
    padding: 1rem;
  }
}