:root {
  --bg: #0a0d12;
  --sidebar: #0e131a;
  --panel: #121821;
  --panel-2: #171f2a;
  --line: #263141;
  --text: #f3f6fb;
  --muted: #8f9aab;
  --accent: #4e9cff;
  --good: #39d98a;
  --warn: #f4b740;
  --bad: #ff6b6b;
  --info: #8b7cff;
  --shadow: 0 16px 40px rgba(0,0,0,.24);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at top right, rgba(78,156,255,.08), transparent 30%),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button, input { font: inherit; }

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 250px 1fr;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  background: rgba(14,19,26,.94);
  border-right: 1px solid var(--line);
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 28px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, #4e9cff, #8b7cff);
  display: grid;
  place-items: center;
  font-weight: 800;
  box-shadow: 0 8px 24px rgba(78,156,255,.28);
}

.brand-title { font-weight: 750; font-size: 17px; }
.brand-subtitle { color: var(--muted); font-size: 12px; margin-top: 2px; }

.nav { display: grid; gap: 7px; }

.nav-item {
  border: 0;
  border-radius: 10px;
  padding: 11px 12px;
  color: #a8b2c1;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.nav-item:hover,
.nav-item.active {
  color: white;
  background: #182130;
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 11px;
}

.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; color: #b7c1cf; margin-top: 5px; }

.main {
  min-width: 0;
  padding: 26px 32px 60px;
}

.topbar {
  display: flex;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}

h1 { margin: 0 0 5px; font-size: 26px; }
h2 { margin: 3px 0 0; font-size: 22px; }
h3 { margin: 0; font-size: 16px; }

.muted { color: var(--muted); }
.eyebrow {
  color: var(--accent);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-weight: 800;
}

.top-actions { display: flex; gap: 9px; align-items: center; flex-wrap: wrap; }

.btn {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 9px 13px;
  cursor: pointer;
  color: var(--text);
  background: var(--panel);
}

.btn.primary { background: var(--accent); border-color: var(--accent); color: white; }
.btn.secondary:hover { background: var(--panel-2); }

.pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 5px 9px;
  font-size: 12px;
  border: 1px solid var(--line);
  white-space: nowrap;
}

.pill.good { color: var(--good); border-color: rgba(57,217,138,.3); background: rgba(57,217,138,.07); }
.pill.warn { color: var(--warn); border-color: rgba(244,183,64,.3); background: rgba(244,183,64,.07); }
.pill.bad { color: var(--bad); border-color: rgba(255,107,107,.3); background: rgba(255,107,107,.07); }
.pill.info { color: #b8aeff; border-color: rgba(139,124,255,.32); background: rgba(139,124,255,.08); }
.pill.neutral { color: var(--muted); }

.auth-panel {
  background: rgba(18,24,33,.96);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  box-shadow: var(--shadow);
}

.auth-panel p { margin: 5px 0 0; font-size: 13px; max-width: 720px; }

.auth-row {
  display: flex;
  gap: 8px;
  align-items: center;
  min-width: min(520px, 100%);
}

.auth-row input {
  width: 100%;
  min-width: 240px;
  background: #0a0e14;
  border: 1px solid var(--line);
  color: white;
  border-radius: 10px;
  padding: 10px 12px;
  outline: none;
}

.section { margin-top: 34px; scroll-margin-top: 20px; }

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 14px;
}

.status-dot-text { color: var(--muted); font-size: 13px; }

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.metric-card,
.panel {
  background: linear-gradient(180deg, rgba(23,31,42,.96), rgba(18,24,33,.96));
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.metric-card { padding: 17px; }

.metric-label { color: var(--muted); font-size: 12px; }
.metric-value { font-size: 30px; font-weight: 800; margin-top: 5px; }
.metric-caption { color: #bac3cf; font-size: 12px; margin-top: 3px; }

.three-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.two-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.panel { padding: 18px; }
.panel-header { display: flex; justify-content: space-between; gap: 14px; align-items: flex-start; }

.kv-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 12px;
  margin-top: 18px;
}

.kv-grid div,
.storage-stats div {
  padding: 11px;
  border: 1px solid rgba(38,49,65,.75);
  background: rgba(9,13,18,.32);
  border-radius: 10px;
}

.kv-grid span,
.storage-stats span {
  display: block;
  color: var(--muted);
  font-size: 11px;
  margin-bottom: 5px;
}

.kv-grid strong,
.storage-stats strong { font-size: 13px; }

.config-summary { display: grid; gap: 10px; margin-top: 18px; }

.config-line {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 9px;
  border-bottom: 1px solid rgba(38,49,65,.7);
  font-size: 13px;
}

.config-line span { color: var(--muted); }

.status-list { margin-top: 14px; display: grid; gap: 8px; }

.status-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 10px;
  background: rgba(9,13,18,.34);
  border: 1px solid rgba(38,49,65,.7);
  border-radius: 9px;
  font-size: 12px;
}

.status-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.camera-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 14px;
}

.camera-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
}

.camera-card-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.camera-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 10px;
}

.camera-meta div {
  padding: 10px;
  border-radius: 9px;
  border: 1px solid rgba(38,49,65,.7);
}

.camera-meta span { display: block; color: var(--muted); font-size: 11px; margin-bottom: 5px; }
.camera-meta strong { font-size: 13px; }

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

th, td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(38,49,65,.72);
  text-align: left;
  font-size: 12px;
}

th { color: var(--muted); font-weight: 650; background: rgba(255,255,255,.015); }
tbody tr:hover { background: rgba(255,255,255,.018); }
.empty-cell { color: var(--muted); text-align: center; padding: 28px; }

.progress-track {
  height: 10px;
  background: #0b1017;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
  margin: 20px 0 15px;
}

.progress-bar {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #4e9cff, #39d98a);
  transition: width .35s ease;
}

.storage-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.config-details { margin-top: 16px; display: grid; gap: 10px; }

.config-detail-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(38,49,65,.7);
  font-size: 13px;
}

.config-detail-row span:first-child { color: var(--muted); }

footer {
  color: #657184;
  font-size: 11px;
  text-align: center;
  margin-top: 40px;
}

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  min-width: 260px;
  max-width: 420px;
  background: #161e29;
  border: 1px solid var(--line);
  border-radius: 11px;
  padding: 12px 14px;
  box-shadow: var(--shadow);
  z-index: 10;
  font-size: 13px;
}

.hidden { display: none !important; }
.empty { color: var(--muted); }

@media (max-width: 1100px) {
  .three-grid { grid-template-columns: 1fr; }
  .metric-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}

@media (max-width: 860px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar {
    position: static;
    height: auto;
    padding: 16px;
  }
  .nav {
    grid-template-columns: repeat(4, minmax(0,1fr));
  }
  .nav-item { text-align: center; padding: 9px 7px; font-size: 12px; }
  .sidebar-footer { display: none; }
  .main { padding: 20px 16px 50px; }
  .topbar { align-items: flex-start; }
  .auth-panel { flex-direction: column; }
  .auth-row { min-width: 0; width: 100%; }
  .camera-grid, .two-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .metric-grid { grid-template-columns: 1fr 1fr; }
  .topbar { flex-direction: column; }
  .top-actions { width: 100%; }
  .nav { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .auth-row { flex-wrap: wrap; }
  .auth-row input { min-width: 100%; }
  .kv-grid, .camera-meta, .storage-stats { grid-template-columns: 1fr 1fr; }
  .config-detail-row { grid-template-columns: 1fr; gap: 3px; }
}