:root {
  --bg: #0a0e14;
  --bg-gradient: linear-gradient(135deg, #0a0e14 0%, #0f1419 50%, #0a0e14 100%);
  --card: #12181f;
  --card-hover: #161d26;
  --card-border: rgba(255, 255, 255, 0.06);
  --text: #f0f4f8;
  --text-secondary: #94a3b8;
  --muted: #64748b;
  --accent: #3b82f6;
  --accent-hover: #60a5fa;
  --accent-glow: rgba(59, 130, 246, 0.15);
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.1);
  --warn: #f59e0b;
  --warn-bg: rgba(245, 158, 11, 0.1);
  --ok: #10b981;
  --ok-bg: rgba(16, 185, 129, 0.1);
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
}

[data-theme="light"] {
  --bg: #f8fafc;
  --bg-gradient: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 50%, #f8fafc 100%);
  --card: #ffffff;
  --card-hover: #f8fafc;
  --card-border: rgba(0, 0, 0, 0.08);
  --text: #1e293b;
  --text-secondary: #475569;
  --muted: #94a3b8;
  --accent: #2563eb;
  --accent-hover: #3b82f6;
  --accent-glow: rgba(37, 99, 235, 0.1);
  --danger: #dc2626;
  --danger-bg: rgba(220, 38, 38, 0.08);
  --warn: #d97706;
  --warn-bg: rgba(217, 119, 6, 0.08);
  --ok: #059669;
  --ok-bg: rgba(5, 150, 105, 0.08);
  --border: rgba(0, 0, 0, 0.15);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --input-bg: #ffffff;
  color-scheme: light;
}

:root,
[data-theme="dark"] {
  color-scheme: dark;
}

[data-theme="dark"] select,
:root select {
  background-color: #1a1f2e;
  color: #f0f4f8;
}

[data-theme="dark"] select option,
:root select option {
  background-color: #1a1f2e;
  color: #f0f4f8;
}

[data-theme="light"] input,
[data-theme="light"] select,
[data-theme="light"] textarea {
  background: var(--input-bg);
  border-color: var(--border);
}

[data-theme="light"] input:focus,
[data-theme="light"] select:focus,
[data-theme="light"] textarea:focus {
  background: #ffffff;
}

[data-theme="light"] select option {
  background: #ffffff;
  color: var(--text);
}

[data-theme="light"] button.secondary {
  background: #f1f5f9;
  border: 1px solid var(--border);
}

[data-theme="light"] button.secondary:hover {
  background: #e2e8f0;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: var(--bg);
  background-image: var(--bg-gradient);
  min-height: 100vh;
  color: var(--text);
  line-height: 1.6;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { 
  color: var(--accent); 
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover { 
  color: var(--accent-hover);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 24px;
}

.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover {
  box-shadow: var(--shadow-lg);
}

.row { 
  display: flex; 
  gap: 16px; 
  flex-wrap: wrap;
  align-items: flex-start;
}
.col { 
  flex: 1; 
  min-width: 200px;
}

h1 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
  background: linear-gradient(135deg, var(--text) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
h2 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text);
}
h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-secondary);
}
p { 
  margin: 8px 0; 
  color: var(--text-secondary);
}

label { 
  display: block; 
  font-size: 13px; 
  font-weight: 500;
  color: var(--text-secondary); 
  margin: 12px 0 6px;
  letter-spacing: 0.01em;
}

input, select, textarea {
  width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  font-size: 14px;
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(59, 130, 246, 0.05);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
input::placeholder, textarea::placeholder {
  color: var(--muted);
}
textarea { 
  min-height: 100px; 
  resize: vertical;
  font-family: inherit;
}
select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

button {
  cursor: pointer;
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 500;
  background: linear-gradient(135deg, var(--accent) 0%, #2563eb 100%);
  color: #fff;
  transition: all 0.2s ease;
  box-shadow: 0 2px 4px rgba(59, 130, 246, 0.3);
  width: 100%;
}
button:hover {
  background: linear-gradient(135deg, var(--accent-hover) 0%, var(--accent) 100%);
  box-shadow: 0 4px 8px rgba(59, 130, 246, 0.4);
  transform: translateY(-1px);
}
button:active {
  transform: translateY(0);
}
button.secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  box-shadow: none;
}
button.secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}
button.danger {
  background: linear-gradient(135deg, var(--danger) 0%, #dc2626 100%);
  box-shadow: 0 2px 4px rgba(239, 68, 68, 0.3);
}
button.danger:hover {
  box-shadow: 0 4px 8px rgba(239, 68, 68, 0.4);
}

.small { 
  font-size: 12px; 
  color: var(--muted);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 500;
  padding: 5px 10px;
  border-radius: 20px;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.03);
  transition: all 0.2s ease;
  text-decoration: none;
}
.badge:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  text-decoration: none;
}
.badge.ok { 
  color: var(--ok); 
  border-color: rgba(16, 185, 129, 0.3); 
  background: var(--ok-bg);
}
.badge.warn { 
  color: var(--warn); 
  border-color: rgba(245, 158, 11, 0.3); 
  background: var(--warn-bg);
}
.badge.danger { 
  color: var(--danger); 
  border-color: rgba(239, 68, 68, 0.3); 
  background: var(--danger-bg);
}
.badge.info { 
  color: var(--accent); 
  border-color: rgba(59, 130, 246, 0.3); 
  background: var(--accent-glow);
}
.badge.pending { 
  color: var(--muted); 
  border-color: var(--border); 
  background: transparent;
}

.nav-bar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 24px;
  margin-bottom: 24px;
  gap: 16px;
  border-bottom: 1px solid var(--border);
}
.nav-links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.nav-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-shrink: 0;
}

.session-warning {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: linear-gradient(135deg, var(--warn) 0%, #d97706 100%);
  color: #000;
  padding: 14px 24px;
  text-align: center;
  font-weight: 600;
  z-index: 9999;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.search-form {
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 13px;
}
.table th {
  text-align: left;
  color: var(--muted);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 12px 12px;
  border-bottom: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.2);
}
.table th:first-child {
  border-radius: var(--radius-sm) 0 0 0;
}
.table th:last-child {
  border-radius: 0 var(--radius-sm) 0 0;
}
.table td {
  padding: 14px 12px;
  vertical-align: middle;
  border-bottom: 1px solid var(--border);
  transition: background 0.15s ease;
}
.table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}
.table tr:last-child td {
  border-bottom: none;
}

hr { 
  border: none; 
  border-top: 1px solid var(--border); 
  margin: 20px 0;
}

.codebox {
  font-family: 'SF Mono', 'Fira Code', 'Monaco', 'Consolas', monospace;
  font-size: 12px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  white-space: pre-wrap;
  word-break: break-all;
  line-height: 1.5;
}

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

.thumb {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(0, 0, 0, 0.2);
  transition: all 0.2s ease;
}
.thumb:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
  transform: scale(1.02);
}
.thumb img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}
.thumb:hover img {
  transform: scale(1.05);
}
.thumb .cap {
  padding: 12px;
  font-size: 12px;
  color: var(--text-secondary);
  background: rgba(0, 0, 0, 0.3);
}

.videoWrap {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(0, 0, 0, 0.3);
}
video { 
  width: 100%; 
  display: block;
}

.previewImg {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.inline { 
  display: flex; 
  gap: 12px; 
  align-items: center;
}
.inline > * { 
  width: auto;
}

details {
  background: rgba(0, 0, 0, 0.15);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin-top: 16px;
}
details summary {
  cursor: pointer;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s ease;
}
details summary:hover {
  color: var(--text);
}
details[open] summary {
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}
.stat-card {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}
.stat-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}
.stat-label {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 4px;
}

.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.status-indicator::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--muted);
}
.status-indicator.ok::before {
  background: var(--ok);
  box-shadow: 0 0 8px var(--ok);
}
.status-indicator.warn::before {
  background: var(--warn);
  box-shadow: 0 0 8px var(--warn);
}
.status-indicator.danger::before {
  background: var(--danger);
  box-shadow: 0 0 8px var(--danger);
}

.login-card {
  max-width: 400px;
  margin: 80px auto;
  padding: 40px;
  text-align: center;
}
.login-card h1 {
  margin-bottom: 8px;
}
.login-card p {
  margin-bottom: 24px;
}

.autocomplete-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  z-index: 100;
  max-height: 200px;
  overflow-y: auto;
}
.autocomplete-dropdown div {
  padding: 10px 14px;
  cursor: pointer;
  transition: background 0.15s ease;
}
.autocomplete-dropdown div:hover {
  background: rgba(255, 255, 255, 0.05);
}

.countdown-timer {
  font-size: 24px;
  font-weight: 700;
  font-family: 'SF Mono', 'Fira Code', monospace;
  padding: 16px 24px;
  border-radius: var(--radius);
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border);
  text-align: center;
  margin: 16px 0;
}
.countdown-timer.warning {
  border-color: rgba(245, 158, 11, 0.3);
  background: var(--warn-bg);
  color: var(--warn);
}
.countdown-timer.critical {
  border-color: rgba(239, 68, 68, 0.3);
  background: var(--danger-bg);
  color: var(--danger);
  animation: pulse 1s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.gps-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
}
.gps-status.acquiring {
  background: var(--warn-bg);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: var(--warn);
}
.gps-status.ready {
  background: var(--ok-bg);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--ok);
}
.gps-status.error {
  background: var(--danger-bg);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--danger);
}

.theme-toggle {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 6px 12px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-secondary);
  transition: all 0.2s ease;
}
.theme-toggle:hover {
  background: var(--card-hover);
  color: var(--text);
}
.theme-toggle svg {
  width: 14px;
  height: 14px;
}

@media (max-width: 768px) {
  .container {
    padding: 16px;
  }
  .card {
    padding: 16px;
  }
  .col {
    min-width: 100%;
  }
  h1 {
    font-size: 22px;
  }
  .nav-bar {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
  .nav-links {
    justify-content: center;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}