:root {
  --bg: #f6f6f4;
  --surface: #ffffff;
  --text: #1d1d1b;
  --muted: #6b6b66;
  --border: #e2e1dc;
  --accent: #6b3fa0;
  --accent-text: #ffffff;
  --danger: #b3261e;
  --success: #1e7a46;
  --warning: #8a5a00;
  --radius: 10px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color-scheme: light;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); line-height: 1.5; }
a { color: var(--accent); }
h1 { font-size: 1.6rem; margin: 0 0 .75rem; }
h2 { font-size: 1.15rem; margin: 0 0 .75rem; }
code, pre { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: .9em; }
pre { background: #f0efea; padding: .75rem; border-radius: 6px; overflow-x: auto; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.hint { color: var(--muted); font-size: .9rem; margin: .25rem 0 .75rem; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: .4rem; padding: .5rem .9rem; border-radius: 8px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text); font: inherit;
  text-decoration: none; cursor: pointer; }
.btn:hover { border-color: var(--muted); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-ghost { background: transparent; }
.btn-small { padding: .15rem .5rem; font-size: .85rem; }
.btn-large { padding: .9rem 1.6rem; font-size: 1.15rem; }
.actions { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; margin-top: .5rem; }
form.inline { display: inline; }

/* Admin layout */
.topbar { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; padding: .6rem 1.25rem;
  background: var(--surface); border-bottom: 1px solid var(--border); }
/* Logo. The <img> also carries width/height="28" so it stays this size even if this stylesheet
   fails to load or is cached stale; the file itself is 128px, giving a sharp 4x on HiDPI. */
.brand-logo { width: 28px; height: 28px; border-radius: 6px; flex: none; vertical-align: middle; }
.topbar .brand { font-weight: 700; text-decoration: none; color: var(--text);
  display: inline-flex; align-items: center; gap: .55rem; }
.topbar nav { display: flex; flex-wrap: wrap; gap: .25rem; flex: 1; }
.topbar nav a { padding: .35rem .6rem; border-radius: 6px; text-decoration: none; color: var(--text); }
.topbar nav a[aria-current="page"] { background: #efe8f7; color: var(--accent); }
.topbar .logout { display: flex; align-items: center; gap: .5rem; }
.container { max-width: 1200px; margin: 0 auto; padding: 1.25rem 16px 3rem; }
.page-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .75rem; margin-bottom: 1rem; }
.page-head h1 { margin: 0; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.1rem 1.25rem; margin-bottom: 1rem; overflow-x: auto; }
.card.narrow { max-width: 460px; margin: 2rem auto; }
.card.narrow-wide { max-width: 720px; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: .75rem; margin-bottom: 1rem; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: .9rem 1rem; color: var(--muted); }
.stat span { display: block; font-size: 1.8rem; font-weight: 700; color: var(--text); }
table { width: 100%; border-collapse: collapse; font-size: .95rem; }
th, td { text-align: left; padding: .5rem .6rem; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-weight: 600; color: var(--muted); font-size: .85rem; }
dl.grid { display: grid; grid-template-columns: max-content 1fr; gap: .35rem 1.25rem; margin: 0; }
dl.grid dt { color: var(--muted); }
dl.grid dd { margin: 0; }
.filters { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1rem; }
.pager { display: flex; gap: 1rem; justify-content: center; margin-top: .75rem; }
code.secret { background: #f0efea; padding: .1rem .35rem; border-radius: 4px; word-break: break-all; }

/* Forms */
label { display: block; font-weight: 600; margin: .75rem 0 .25rem; }
input, select, textarea { font: inherit; padding: .5rem .6rem; border: 1px solid var(--border); border-radius: 6px;
  width: 100%; max-width: 100%; background: var(--surface); color: var(--text); }
.filters input, .filters select { width: auto; min-width: 180px; }
input[type="checkbox"] { width: auto; }
fieldset { border: 1px solid var(--border); border-radius: 8px; padding: .5rem .9rem; }
legend { font-weight: 600; padding: 0 .3rem; }
.checklist div > div, .checklist label { font-weight: 400; margin: .2rem 0; display: flex; gap: .5rem; align-items: center; }
.field.has-error input, .field.has-error select { border-color: var(--danger); }
.error { color: var(--danger); margin: .25rem 0; }
.msg { padding: .6rem .9rem; border-radius: 8px; margin: 0 0 .75rem; border: 1px solid var(--border); background: var(--surface); }
.msg-success { border-color: var(--success); color: var(--success); }
.msg-error { border-color: var(--danger); color: var(--danger); }
.msg-warning { border-color: var(--warning); color: var(--warning); background: #fff8e8; }

/* Badges */
.badge { display: inline-block; padding: .1rem .55rem; border-radius: 999px; font-size: .8rem; font-weight: 600;
  background: #ecebe6; color: var(--muted); white-space: nowrap; }
.badge-open, .badge-in_progress, .badge-active, .badge-scheduled { background: #e3f3ea; color: var(--success); }
.badge-upcoming { background: #e8eefb; color: #2847a0; }
.badge-revoked, .badge-cancelled, .badge-missed, .badge-terminated, .badge-inactive, .badge-archived { background: #fbe9e8; color: var(--danger); }

/* Viewer (dark, focused) */
body.viewer { --bg: #0d0d10; --surface: #17171c; --text: #ececf1; --muted: #9a9aa6; --border: #2a2a33;
  --accent: #9b6fd6; color-scheme: dark; background: var(--bg); color: var(--text); }
.viewer-bar { padding: .75rem 16px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: .6rem; }
.viewer-bar .brand { font-weight: 700; letter-spacing: .02em; }
.viewer-main { max-width: 1100px; margin: 0 auto; padding: 1.25rem 16px 3rem; }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem; margin-bottom: 1rem; }
.panel.info h1 { font-size: 2rem; margin: .1rem 0 .4rem; }
.eyebrow { text-transform: uppercase; letter-spacing: .08em; font-size: .8rem; color: var(--muted); margin: 0; }
.schedule { margin: 0 0 .5rem; }
.phase { font-weight: 600; margin: .25rem 0; }
.countdown { font-size: 2.4rem; font-variant-numeric: tabular-nums; font-weight: 700; margin: .25rem 0 0; }
#pin-form { display: flex; gap: .5rem; max-width: 420px; }
#pin-form input { font-size: 1.4rem; letter-spacing: .25em; text-align: center; }
.status { padding: .75rem 1rem; border-radius: 8px; border: 1px solid var(--danger); color: #ffb4ae; background: #2a1414; }
.status-info { border-color: var(--border); color: var(--text); background: var(--surface); }
.status-success { border-color: var(--success); color: #9fe0b8; background: #10241a; }
.player-panel { margin-bottom: 1rem; }
.player-frame { position: relative; width: 100%; aspect-ratio: 16 / 9; background: #000; border-radius: 8px; overflow: hidden; }
.player-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.player-frame:fullscreen { border-radius: 0; }
.player-tools { display: flex; gap: .5rem; margin-top: .5rem; }
.help summary { cursor: pointer; font-weight: 600; }
.help li { margin: .35rem 0; }
.notice { color: var(--muted); font-size: .9rem; border-left: 3px solid var(--accent); padding-left: .75rem; }

@media (max-width: 640px) {
  .topbar nav { order: 3; width: 100%; }
  dl.grid { grid-template-columns: 1fr; }
  .panel.info h1 { font-size: 1.5rem; }
  .countdown { font-size: 1.8rem; }
}