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

:root {
  --bg: #0a0a0f;
  --surface: #12121a;
  --surface2: #1a1a26;
  --border: #2a2a3a;
  --text: #e8e8f0;
  --text2: #8888a0;
  --accent: #4f7cff;
  --accent2: #6c8fff;
  --success: #34d399;
  --danger: #f87171;
  --warn: #fbbf24;
  --radius: 12px;
  --radius-sm: 8px;
}

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ── Auth ── */
.auth-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
}

.auth-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 48px 40px;
  width: 100%;
  max-width: 400px;
  animation: fadeUp .4s ease;
}

.auth-card .logo {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
}

.auth-card .logo span { color: var(--accent); }

.auth-card .sub {
  color: var(--text2);
  font-size: 14px;
  margin-bottom: 32px;
}

.field {
  margin-bottom: 16px;
}

.field label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text2);
  margin-bottom: 6px;
}

.field input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
  outline: none;
  transition: border-color .2s;
}

.field input:focus {
  border-color: var(--accent);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all .2s;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  width: 100%;
  margin-top: 8px;
}

.btn-primary:hover { background: var(--accent2); }

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

.btn-sm { padding: 8px 16px; font-size: 13px; }

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: 8px;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text2);
  cursor: pointer;
  transition: all .2s;
}

.btn-icon:hover { border-color: var(--accent); color: var(--accent); }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { opacity: .85; }

.auth-toggle {
  text-align: center;
  margin-top: 20px;
  font-size: 13px;
  color: var(--text2);
}

.auth-toggle a {
  color: var(--accent);
  cursor: pointer;
  text-decoration: none;
}

.auth-toggle a:hover { text-decoration: underline; }

.error-msg {
  background: rgba(248,113,113,.1);
  border: 1px solid rgba(248,113,113,.3);
  color: var(--danger);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 16px;
  animation: fadeUp .3s;
}

/* ── Layout ── */
.layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 260px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.sidebar-header {
  padding: 24px 20px;
  border-bottom: 1px solid var(--border);
}

.sidebar-header .logo {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.sidebar-header .logo span { color: var(--accent); }

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  overflow-y: auto;
}

.nav-section {
  margin-bottom: 24px;
}

.nav-section-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text2);
  padding: 0 8px;
  margin-bottom: 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 14px;
  color: var(--text2);
  transition: all .15s;
}

.nav-item:hover { background: var(--surface2); color: var(--text); }
.nav-item.active { background: rgba(79,124,255,.1); color: var(--accent); }

.nav-item .icon {
  width: 20px;
  text-align: center;
  font-size: 16px;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  flex-shrink: 0;
}

.sidebar-footer .user-info {
  flex: 1;
  min-width: 0;
}

.sidebar-footer .user-name {
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-footer .user-email {
  font-size: 11px;
  color: var(--text2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── Main content ── */
.main {
  flex: 1;
  overflow-y: auto;
  min-width: 0;
}

.page-header {
  padding: 28px 32px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.page-title {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.page-body {
  padding: 24px 32px;
}

/* ── Cards ── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  cursor: pointer;
  transition: all .2s;
}

.card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.card-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.card-meta {
  font-size: 13px;
  color: var(--text2);
}

.card-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
}

.badge-online { background: rgba(52,211,153,.1); color: var(--success); }
.badge-offline { background: rgba(136,136,160,.1); color: var(--text2); }

/* ── Camera grid ── */
.cam-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 16px;
}

.cam-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all .2s;
}

.cam-card:hover { border-color: var(--accent); }

.cam-preview {
  aspect-ratio: 16/9;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  cursor: pointer;
}

.cam-preview canvas {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.cam-preview .placeholder {
  color: var(--text2);
  font-size: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.cam-preview .placeholder .icon { font-size: 32px; opacity: .4; }

.cam-preview .live-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--danger);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  letter-spacing: 0.5px;
}

.cam-info {
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cam-name {
  font-size: 14px;
  font-weight: 600;
}

.cam-uid {
  font-size: 11px;
  color: var(--text2);
  font-family: monospace;
}

.cam-actions {
  display: flex;
  gap: 6px;
}

/* ── Plugins ── */
.plugin-list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
  padding: 0 16px 14px;
}

.plugin-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 12px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all .2s;
  user-select: none;
}

.plugin-chip.active {
  background: rgba(79,124,255,.1);
  border-color: var(--accent);
  color: var(--accent);
}

.plugin-chip:hover { border-color: var(--accent); }

/* ── Modal ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  animation: fadeIn .2s;
}

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  width: 90%;
  max-width: 440px;
  animation: fadeUp .3s;
}

.modal-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 20px;
}

.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 24px;
}

/* ── Fullscreen stream ── */
.stream-fullscreen {
  position: fixed;
  inset: 0;
  background: #000;
  z-index: 200;
  display: flex;
  flex-direction: column;
}

.stream-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: rgba(0,0,0,.8);
  z-index: 1;
}

.stream-toolbar .title {
  font-size: 15px;
  font-weight: 600;
}

.stream-video {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.stream-video canvas {
  max-width: 100%;
  max-height: 100%;
}

/* ── Empty state ── */
.empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text2);
}

.empty .icon { font-size: 48px; opacity: .3; margin-bottom: 16px; }
.empty .title { font-size: 16px; font-weight: 500; margin-bottom: 8px; color: var(--text); }
.empty .desc { font-size: 13px; margin-bottom: 24px; }

/* ── Add card ── */
.add-card {
  background: transparent;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 20px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 120px;
  transition: all .2s;
  color: var(--text2);
  font-size: 14px;
}

.add-card:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.add-card .icon { font-size: 24px; }

/* ── Toast ── */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  font-size: 13px;
  z-index: 300;
  animation: fadeUp .3s;
}

/* ── Animations ── */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

/* ── Loading spinner ── */
.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .6s linear infinite;
}

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

/* ── Responsive ── */
@media (max-width: 768px) {
  .sidebar { display: none; }
  .page-header { padding: 20px 16px 0; }
  .page-body { padding: 16px; }
  .cam-grid { grid-template-columns: 1fr; }
}