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

:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface-2: #242836;
  --border: #2e3344;
  --text: #e4e6ed;
  --text-dim: #8b8fa3;
  --primary: #4a8eff;
  --primary-hover: #3a7bee;
  --danger: #ef4444;
  --danger-hover: #dc2626;
  --success: #22c55e;
  --warning: #f59e0b;
  --radius: 8px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* Login */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
  width: 100%;
  max-width: 360px;
}

.login-box h1 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  text-align: center;
}

.login-box input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 1rem;
  margin-bottom: 1rem;
  direction: ltr;
}

.login-box input:focus {
  outline: none;
  border-color: var(--primary);
}

.login-box button {
  width: 100%;
  padding: 0.75rem;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s;
}

.login-box button:hover {
  background: var(--primary-hover);
}

.error {
  color: var(--danger);
  font-size: 0.875rem;
  margin-top: 0.5rem;
  text-align: center;
}

/* Dashboard */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

header h1 {
  font-size: 1.25rem;
}

.header-status {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.badge {
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.badge.connected {
  background: var(--success);
  color: #000;
}

.badge.disconnected {
  background: var(--border);
  color: var(--text-dim);
}

.badge.live {
  background: var(--danger);
  color: white;
  animation: pulse 1.5s ease-in-out infinite;
}

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

.btn-small {
  padding: 0.25rem 0.75rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-dim);
  font-size: 0.75rem;
  cursor: pointer;
}

.btn-small:hover {
  color: var(--text);
  border-color: var(--text-dim);
}

main {
  display: grid;
  grid-template-columns: 1fr 280px;
  grid-template-rows: auto auto;
  gap: 1rem;
  padding: 1rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

/* Video */
.video-section {
  grid-column: 1;
  grid-row: 1;
}

.video-container {
  position: relative;
  background: #000;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

.video-container video {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.7);
  color: var(--text-dim);
  font-size: 1.25rem;
}

/* Controls */
.controls-section {
  grid-column: 1;
  grid-row: 2;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.control-group {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
}

.control-group h3 {
  font-size: 0.8rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.btn-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.btn {
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.15s;
}

.btn:hover:not(:disabled) {
  border-color: var(--text-dim);
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn.primary {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

.btn.primary:hover:not(:disabled) {
  background: var(--primary-hover);
}

.btn.danger {
  background: var(--danger);
  border-color: var(--danger);
  color: white;
}

.btn.danger:hover:not(:disabled) {
  background: var(--danger-hover);
}

.btn.active {
  background: var(--success);
  border-color: var(--success);
  color: #000;
}

.label {
  font-size: 0.875rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
}

.zoom-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.zoom-row label {
  font-size: 0.875rem;
  color: var(--text-dim);
}

.zoom-row input[type="range"] {
  flex: 1;
  accent-color: var(--primary);
}

#zoom-value {
  font-size: 0.875rem;
  min-width: 3em;
  color: var(--text-dim);
}

/* Status sidebar */
.status-section {
  grid-column: 2;
  grid-row: 1 / 3;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  align-self: start;
}

.status-section h3 {
  font-size: 0.8rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.status-grid {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.status-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

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

.battery-bar {
  flex: 1;
  height: 8px;
  background: var(--bg);
  border-radius: 4px;
  overflow: hidden;
}

.battery-fill {
  height: 100%;
  background: var(--success);
  border-radius: 4px;
  transition: width 0.3s;
}

#battery-text {
  font-size: 0.8rem;
  min-width: 3em;
  text-align: left;
}

.upload-progress {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.upload-progress span {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.progress-bar {
  height: 6px;
  background: var(--bg);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 0.5rem;
}

.progress-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 3px;
  transition: width 0.3s;
  width: 0%;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  z-index: 100;
  animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
  from { transform: translateX(-50%) translateY(1rem); opacity: 0; }
  to { transform: translateX(-50%) translateY(0); opacity: 1; }
}

/* Responsive */
@media (max-width: 768px) {
  main {
    grid-template-columns: 1fr;
    padding: 0.75rem;
  }

  .status-section {
    grid-column: 1;
    grid-row: auto;
  }

  .controls-section {
    grid-column: 1;
  }
}