:root {
  --bg: #0d1117;
  --bg-soft: #161b22;
  --card: #1c2330;
  --border: #2a3344;
  --text: #e6edf3;
  --muted: #8b97a8;
  --primary: #4f8cff;
  --primary-hover: #3d76e0;
  --success: #2ecc71;
  --danger: #ff5b6e;
  --warning: #f5b041;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
a { color: var(--primary); text-decoration: none; }
button, .btn {
  background: var(--primary); color: white; border: none;
  padding: 10px 16px; border-radius: 8px; cursor: pointer; font-size: 14px;
  transition: background .15s;
}
button:hover, .btn:hover { background: var(--primary-hover); }
button.ghost, .btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
button.ghost:hover, .btn.ghost:hover { background: var(--bg-soft); }
button.danger, .btn.danger { background: var(--danger); }
button:disabled { opacity: .5; cursor: not-allowed; }
input, select, textarea {
  background: var(--bg-soft); color: var(--text); border: 1px solid var(--border);
  padding: 10px 12px; border-radius: 8px; font-size: 14px; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); }
label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; text-transform: uppercase; letter-spacing: .5px; }
.field { margin-bottom: 14px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 20px; }
.muted { color: var(--muted); }
.row { display: flex; gap: 12px; }
.row > * { flex: 1; }
.flex { display: flex; gap: 12px; align-items: center; }
.spacer { flex: 1; }
.error { color: var(--danger); font-size: 13px; margin-top: 8px; }
.success { color: var(--success); font-size: 13px; margin-top: 8px; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 11px; background: var(--bg-soft); color: var(--muted); }
.badge.active { background: rgba(46,204,113,.15); color: var(--success); }
.badge.suspended { background: rgba(255,91,110,.15); color: var(--danger); }
.badge.trial { background: rgba(245,176,65,.15); color: var(--warning); }

/* Login */
.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 20px; }
.login-card { width: 100%; max-width: 440px; }
.login-card h1 { margin: 0 0 6px; font-size: 24px; }
.login-card .sub { color: var(--muted); margin-bottom: 24px; font-size: 14px; }
.tabs { display: flex; gap: 4px; background: var(--bg-soft); padding: 4px; border-radius: 10px; margin-bottom: 20px; }
.tabs button { flex: 1; background: transparent; color: var(--muted); padding: 8px; font-weight: 500; }
.tabs button.active { background: var(--card); color: var(--text); }
.cam-wrap { position: relative; aspect-ratio: 4/3; background: black; border-radius: 8px; overflow: hidden; margin-bottom: 12px; }
.cam-wrap video, .cam-wrap canvas { width: 100%; height: 100%; object-fit: cover; display: block; }
.cam-wrap canvas { position: absolute; top: 0; left: 0; }
.cam-status { font-size: 12px; color: var(--muted); text-align: center; min-height: 18px; }

/* App shell */
.app { display: flex; min-height: 100vh; }
.sidebar { width: 240px; background: var(--bg-soft); border-right: 1px solid var(--border); padding: 20px 12px; flex-shrink: 0; }
.sidebar .logo { font-size: 18px; font-weight: 600; padding: 0 8px 16px; }
.nav-item {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 8px;
  color: var(--muted); cursor: pointer; font-size: 14px;
}
.nav-item:hover { background: var(--card); color: var(--text); }
.nav-item.active { background: var(--card); color: var(--text); }
.main { flex: 1; padding: 24px; overflow: auto; }
.topbar { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; }
.topbar h2 { margin: 0; font-size: 22px; }

/* Stats */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 16px; }
.stat-card .label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }
.stat-card .value { font-size: 28px; font-weight: 600; margin-top: 8px; }

/* Tables */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; font-size: 14px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: .5px; }
tr:hover td { background: var(--bg-soft); }

/* Gallery (cloud) */
.toolbar { display: flex; gap: 12px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }
.toolbar input[type=search] { max-width: 280px; }
.tab-row { display: flex; gap: 6px; background: var(--bg-soft); padding: 4px; border-radius: 10px; }
.tab-row button { background: transparent; color: var(--muted); padding: 6px 14px; font-size: 13px; }
.tab-row button.active { background: var(--card); color: var(--text); }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 14px; }
.tile {
  background: var(--card); border: 1px solid var(--border); border-radius: 10px;
  overflow: hidden; cursor: pointer; transition: transform .12s; aspect-ratio: 1/1;
  position: relative;
}
.tile:hover { transform: translateY(-2px); border-color: var(--primary); }
.tile img, .tile video { width: 100%; height: 100%; object-fit: cover; display: block; }
.tile .meta { position: absolute; bottom: 0; left: 0; right: 0; padding: 6px 8px; background: linear-gradient(0deg, rgba(0,0,0,.85), transparent); font-size: 11px; }
.tile .icon-doc { display: flex; align-items: center; justify-content: center; height: 100%; font-size: 48px; color: var(--muted); }
.tile .badge-type { position: absolute; top: 6px; right: 6px; }
.tile.folder { background: linear-gradient(135deg, #243049, #1a2238); }
.tile.folder .folder-icon { display: flex; align-items: center; justify-content: center; height: 100%; font-size: 64px; }
.tile.folder .meta { background: linear-gradient(0deg, rgba(0,0,0,.9), transparent 70%); }

.breadcrumb { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; font-size: 14px; }
.breadcrumb a { color: var(--primary); cursor: pointer; padding: 4px 6px; border-radius: 6px; }
.breadcrumb a:hover { background: var(--bg-soft); }
.breadcrumb .sep { color: var(--muted); }
.breadcrumb .current { color: var(--text); padding: 4px 6px; }

/* Modal viewer */
.modal-bg {
  position: fixed; inset: 0; background: rgba(0,0,0,.85); display: none;
  align-items: center; justify-content: center; z-index: 100; padding: 30px;
}
.modal-bg.open { display: flex; }
.modal-bg .close { position: absolute; top: 16px; right: 20px; font-size: 28px; color: white; cursor: pointer; background: transparent; }
.modal-bg img, .modal-bg video { max-width: 95%; max-height: 90vh; object-fit: contain; border-radius: 8px; }

/* Modal forms */
.modal { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.6); z-index: 50; align-items: center; justify-content: center; padding: 20px; }
.modal.open { display: flex; }
.modal .modal-card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 24px; width: 100%; max-width: 520px; max-height: 90vh; overflow: auto; }
.modal h3 { margin: 0 0 16px; }

.upload-zone {
  border: 2px dashed var(--border); border-radius: 12px; padding: 30px; text-align: center;
  color: var(--muted); cursor: pointer; transition: border-color .15s;
}
.upload-zone.dragover { border-color: var(--primary); background: rgba(79,140,255,.05); }

/* Hamburger button */
.menu-toggle {
  display: none; position: fixed; top: 12px; left: 12px; z-index: 201;
  background: var(--card); border: 1px solid var(--border); color: var(--text);
  width: 40px; height: 40px; border-radius: 8px; font-size: 22px; line-height: 1;
  cursor: pointer; align-items: center; justify-content: center;
}
.sidebar-overlay {
  display: none; position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 199;
}

/* Mobile */
@media (max-width: 768px) {
  .menu-toggle { display: flex; }
  .sidebar-overlay.open { display: block; }

  .app { flex-direction: column; }
  .sidebar {
    position: fixed; top: 0; left: -260px; width: 260px; height: 100vh;
    z-index: 200; transition: left .25s ease; padding-top: 60px;
  }
  .sidebar.open { left: 0; }

  .main { padding: 60px 14px 20px; width: 100%; }
  .topbar { flex-wrap: wrap; gap: 8px; }
  .topbar h2 { font-size: 18px; width: 100%; }

  .toolbar { flex-direction: column; align-items: stretch; }
  .toolbar input[type=search] { max-width: 100%; }
  .tab-row { overflow-x: auto; flex-shrink: 0; }

  .row { flex-direction: column; gap: 0; }
  .row > * { flex: none; }

  .grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; }
  .tile { aspect-ratio: 1/1; }

  .stats-grid { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; }
  .stat-card .value { font-size: 22px; }

  table { font-size: 13px; }
  th, td { padding: 8px 6px; white-space: nowrap; }

  .modal .modal-card { padding: 16px; max-width: 100%; }
  .modal-bg { padding: 10px; }

  .breadcrumb { font-size: 13px; }

  .cam-wrap { aspect-ratio: 4/3; }

  .login-card { padding: 16px; }
  .login-card h1 { font-size: 20px; }
}