:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --text: #1c1f24;
  --muted: #6b7280;
  --border: #e3e5e9;
  --accent: #2563eb;
  --accent-text: #ffffff;
  --danger: #c62828;
  --ok: #16a34a;
  --off: #c5c9d0;
  --code-bg: #f0f2f5;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111317;
    --surface: #1a1d22;
    --text: #e6e8eb;
    --muted: #9aa1ab;
    --border: #2b2f36;
    --accent: #3b82f6;
    --danger: #ef5350;
    --ok: #22c55e;
    --off: #4b5058;
    --code-bg: #22262c;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: 13px; }
code { background: var(--code-bg); padding: 1px 5px; border-radius: 4px; }
code.wrap { word-break: break-all; }
h1, h2 { margin: 0 0 12px; font-weight: 600; }
h2 { font-size: 17px; }
.muted { color: var(--muted); }

.topbar {
  display: flex; align-items: center; gap: 24px;
  padding: 10px 24px; background: var(--surface); border-bottom: 1px solid var(--border);
}
.topbar nav { display: flex; gap: 16px; flex: 1; }
.topbar nav a { color: var(--text); }
.brand { font-weight: 700; color: var(--text); letter-spacing: -0.01em; }
.logout { display: flex; gap: 10px; align-items: center; margin: 0; }

.page { max-width: 1100px; margin: 24px auto; padding: 0 16px; }
.grid { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; }
@media (max-width: 800px) { .grid { grid-template-columns: 1fr; } .topbar { flex-wrap: wrap; gap: 10px; } }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  padding: 18px 20px; margin-bottom: 16px; overflow-x: auto;
}
.card.narrow { max-width: 560px; margin: 0 auto 16px; }
.card.login { margin-top: 10vh; max-width: 360px; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 8px; }
.card-head h2 { margin: 0; }

.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; background: var(--code-bg); border: 1px solid var(--border); }
.flash.error { border-color: var(--danger); }
.flash.success { border-color: var(--ok); }

table.list { width: 100%; border-collapse: collapse; }
table.list th { text-align: left; font-weight: 500; color: var(--muted); font-size: 13px; }
table.list th, table.list td { padding: 8px 6px; border-bottom: 1px solid var(--border); }
table.list tr:last-child td { border-bottom: 0; }
td.actions { text-align: right; white-space: nowrap; }

.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--off); }
.dot.on { background: var(--ok); }

.btn {
  display: inline-block; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-text);
  padding: 6px 14px; border-radius: 7px; font: inherit; font-size: 14px; cursor: pointer;
}
.btn:hover { text-decoration: none; filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--accent); }
.btn.danger { background: transparent; color: var(--danger); border-color: var(--danger); }
button.link { background: none; border: 0; color: var(--accent); cursor: pointer; font: inherit; padding: 0; }

.stack { display: flex; flex-direction: column; gap: 12px; }
.row { display: flex; gap: 8px; margin: 14px 0; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 14px; }
input, textarea {
  font: inherit; padding: 7px 10px; border-radius: 7px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text);
}
pre.cmd { background: var(--code-bg); padding: 12px 14px; border-radius: 8px; overflow-x: auto; }
dl.facts { display: grid; grid-template-columns: max-content 1fr; gap: 6px 18px; margin: 8px 0 4px; }
dl.facts dt { color: var(--muted); }
dl.facts dd { margin: 0; }

/* Viewer */
body.viewer { height: 100vh; overflow: hidden; }
.viewer-main { height: 100vh; display: flex; flex-direction: column; }
.viewer-main > .flash { margin: 8px; }
.viewer-bar {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 8px 14px; background: var(--surface); border-bottom: 1px solid var(--border);
}
.viewer-bar .spacer { flex: 1; }
.viewer-bar .btn { padding: 4px 12px; }
.toggle { flex-direction: row; align-items: center; gap: 6px; }
.clip-panel { display: flex; gap: 8px; padding: 8px 14px; background: var(--surface); border-bottom: 1px solid var(--border); }
.clip-panel textarea { flex: 1; }
.screen { flex: 1; min-height: 0; background: #000; }
.screen.panning canvas { cursor: grab !important; }
.screen.dragging canvas { cursor: grabbing !important; }
.viewer-bar .zoom { display: inline-flex; align-items: center; }
.viewer-bar .zoom .btn { padding: 4px 8px; min-width: 2.2em; }
.viewer-bar #zoom-level { min-width: 4.2em; }
.viewer-bar .btn.active { background: var(--border); }
.viewer-bar select { padding: 3px 6px; }