:root {
  color-scheme: dark;
  --bg: #070b16;
  --panel: rgba(13, 20, 39, 0.86);
  --card: rgba(18, 29, 54, 0.94);
  --line: rgba(149, 170, 214, 0.24);
  --text: #edf4ff;
  --muted: #98a9c7;
  --accent: #8b5cf6;
  --accent-2: #22d3ee;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html, body, #root { width: 100%; height: 100%; margin: 0; }
body {
  background:
    radial-gradient(circle at top left, rgba(34, 211, 238, 0.18), transparent 34rem),
    radial-gradient(circle at bottom right, rgba(139, 92, 246, 0.2), transparent 38rem),
    var(--bg);
  color: var(--text);
  overflow: hidden;
}

button, input, select { font: inherit; }
button {
  border: 0;
  border-radius: 12px;
  color: white;
  font-weight: 800;
  padding: 10px 12px;
  cursor: pointer;
  background: linear-gradient(135deg, var(--accent), #5b8cff);
}
button.secondary { background: rgba(255,255,255,0.08); color: #d8e4fb; border: 1px solid rgba(255,255,255,0.08); }
button.active { background: linear-gradient(135deg, var(--accent-2), #34d399); color: #07111f; }
button:disabled { cursor: not-allowed; opacity: 0.45; }
a { color: var(--accent-2); }

.app { display: grid; grid-template-columns: 360px 1fr; height: 100%; }
.sidebar {
  border-right: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(9, 14, 27, 0.97), rgba(9, 14, 27, 0.82));
  padding: 24px;
  overflow: auto;
  box-shadow: 14px 0 46px rgba(0, 0, 0, 0.28);
  z-index: 5;
}
.brand { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; }
.logo {
  width: 42px; height: 42px; border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 18px 42px rgba(34, 211, 238, 0.22);
}
h1 { font-size: 20px; margin: 0; letter-spacing: -0.02em; }
h2 { margin: 10px 0 8px; }
.subtitle, .hint { color: var(--muted); font-size: 13px; line-height: 1.45; }
.subtitle { margin: 3px 0 0; }
.hint { margin: 10px 0 0; }
.section-title { margin: 22px 0 10px; color: #cdd9f0; font-size: 12px; font-weight: 900; letter-spacing: 0.12em; text-transform: uppercase; }

.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.stat, .filter-panel, .detail-card, .inspector, .legend, .state-buttons {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.05);
}
.stat { padding: 12px; }
.stat strong { display: block; font-size: 24px; }
.stat span { color: var(--muted); font-size: 12px; }
.sidebar select, .sidebar input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255,255,255,0.07);
  color: var(--text);
  padding: 10px;
  outline: none;
}
.sidebar option { background: #101827; color: var(--text); }
.filter-panel { display: grid; gap: 10px; padding: 12px; }
.filter-panel label { display: grid; gap: 6px; color: #cdd9f0; font-size: 12px; font-weight: 800; }
.filter-panel input:focus, .filter-panel select:focus, .sidebar > select:focus { border-color: rgba(34, 211, 238, 0.65); }
.state-buttons { display: flex; flex-wrap: wrap; gap: 8px; padding: 10px; }
.state-buttons button { text-transform: capitalize; }

.legend { display: flex; flex-wrap: wrap; gap: 8px; padding: 12px; }
.legend.links { margin-top: 8px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; color: #d8e4fb; font-size: 12px; }
.legend i { width: 10px; height: 10px; border-radius: 999px; box-shadow: 0 0 18px currentColor; }

.detail-card { padding: 14px; }
.detail-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; color: var(--muted); text-transform: uppercase; font-size: 11px; font-weight: 900; letter-spacing: 0.08em; }
.pill { --pill: var(--accent-2); display: inline-flex; color: #07111f; background: var(--pill); padding: 5px 8px; border-radius: 999px; }
.detail-card p { color: var(--muted); line-height: 1.5; }
dl { display: grid; grid-template-columns: 88px 1fr; gap: 7px 10px; margin: 14px 0; font-size: 13px; }
dt { color: #cdd9f0; font-weight: 900; }
dd { margin: 0; color: var(--muted); overflow-wrap: anywhere; }
.backlinks { display: grid; gap: 7px; margin: 12px 0; }
.backlinks strong { color: #cdd9f0; font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; }
.backlinks button { text-align: left; }
.detail-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.inspector { padding: 14px; color: var(--muted); line-height: 1.45; }

.graph-shell { position: relative; min-width: 0; }
.graph-shell canvas { display: block; }
.topbar {
  position: absolute;
  top: 18px;
  left: 18px;
  right: 18px;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  pointer-events: none;
}
.topbar > div {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(8, 13, 26, 0.76);
  backdrop-filter: blur(18px);
}
.topbar strong { font-size: 13px; }
.topbar span { color: var(--muted); font-size: 13px; }
.breadcrumbs { min-height: 46px; }

.state-card {
  position: absolute;
  inset: 50%;
  transform: translate(-50%, -50%);
  z-index: 6;
  width: min(440px, calc(100% - 32px));
  padding: 24px;
  border: 1px solid rgba(34, 211, 238, 0.42);
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(10, 20, 39, 0.96), rgba(45, 28, 83, 0.9));
  box-shadow: 0 22px 70px rgba(0,0,0,0.42), 0 0 38px rgba(34, 211, 238, 0.16);
  backdrop-filter: blur(18px);
  text-align: center;
}
.state-card strong { display: block; font-size: 22px; }
.state-card p { color: #cdd9f0; line-height: 1.5; }
.state-card.error { border-color: rgba(251,113,133,0.5); }
.state-card.empty { border-color: rgba(251,191,36,0.5); }

@media (max-width: 920px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { position: absolute; inset: auto 10px 10px 10px; max-height: 48vh; border: 1px solid var(--line); border-radius: 24px; }
  .topbar { left: 10px; right: 10px; align-items: stretch; flex-direction: column; }
  .topbar > div { justify-content: space-between; }
}


.room-panel { display: grid; gap: 10px; margin: 12px; padding: 12px; border: 1px solid rgba(125, 211, 252, 0.22); border-radius: 18px; background: rgba(7, 13, 26, 0.55); }
.room-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.room-head strong { display: block; color: #edf4ff; }
.room-head p { margin: 3px 0 0; color: var(--muted); font-size: 12px; }
.role-badge { padding: 4px 8px; border-radius: 999px; background: rgba(255,255,255,0.08); color: #cdd9f0; text-transform: uppercase; font-size: 10px; font-weight: 900; }
.role-badge.owner { color: #07111f; background: #22d3ee; }
.role-badge.editor { color: #07111f; background: #34d399; }
.presence-list { display: grid; gap: 8px; }
.presence-row { display: grid; grid-template-columns: 10px 1fr auto auto; gap: 8px; align-items: center; color: #d8e4fb; font-size: 12px; }
.presence-row i { width: 10px; height: 10px; border-radius: 999px; }
.presence-row small { color: var(--muted); }
.tiny { padding: 5px 7px; font-size: 11px; }
.permission-ok, .permission-warn { margin: 0; font-size: 12px; line-height: 1.35; }
.permission-ok { color: #86efac; }
.permission-warn { color: #fbbf24; }
.audit-log { display: grid; gap: 4px; color: var(--muted); font-size: 11px; }

.sync-panel {
  display: grid;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
}
.storage-actions { display: flex; gap: 8px; flex-wrap: wrap; }
button.tiny { padding: 7px 9px; border-radius: 10px; font-size: 12px; }