:root {
  --ink: #0f2a4a;
  --accent: #c8102e;
  --paper: #e8edf4;
  --card: #ffffff;
  --muted: #576070;
  --line: #dde3ec;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  height: 100%;
}
body {
  font-family: "Segoe UI", system-ui, sans-serif;
  background: var(--paper);
  color: var(--ink);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

header {
  flex: 0 0 auto;
  background: var(--ink);
  color: #fff;
  padding: 18px 24px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
}
.brand { max-width: 720px; }
.tag {
  display: inline-block;
  background: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 3px 9px;
  margin: 0 0 8px;
}
h1 { margin: 0 0 6px; font-size: 26px; }
.lead { margin: 0; color: rgba(255,255,255,0.72); font-size: 14px; line-height: 1.45; }

.apk {
  flex: 0 0 auto;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
  padding: 12px 16px;
  border-radius: 8px;
  white-space: nowrap;
  border: 0;
  cursor: pointer;
  font-family: inherit;
}
.apk:hover { filter: brightness(1.08); }

header .apk {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  white-space: normal;
  line-height: 1.25;
  text-align: left;
}
.apk-stamp {
  font-size: 11px;
  font-weight: 600;
  opacity: 0.85;
  margin-top: 2px;
}

.apk-gate {
  border: 0;
  border-radius: 12px;
  padding: 20px;
  width: min(360px, calc(100vw - 32px));
  box-shadow: 0 16px 40px rgba(15, 42, 74, 0.28);
}
.apk-gate::backdrop { background: rgba(15, 42, 74, 0.45); }
.apk-gate h2 { margin: 0 0 6px; font-size: 18px; }
.apk-gate input {
  width: 100%;
  margin: 8px 0 4px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 16px;
}
.apk-error { color: var(--accent); font-size: 13px; margin: 4px 0 8px; }
.apk-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 12px;
}
.apk-cancel {
  background: transparent;
  border: 0;
  color: var(--muted);
  font-weight: 600;
  cursor: pointer;
  padding: 12px 14px;
}

.workspace {
  flex: 1 1 auto;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(260px, 340px) 1fr;
  gap: 16px;
  padding: 16px;
}

.rail {
  min-height: 0;
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card, .stage {
  background: var(--card);
  border-radius: 12px;
  box-shadow: 0 8px 28px rgba(15, 42, 74, 0.08);
}

.card { padding: 16px; }
.stage {
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#qr { width: 100%; }
#qr img, #qr canvas { width: 100% !important; height: auto !important; }

.hint { color: var(--muted); font-size: 12px; margin: 10px 0 4px; }
.status { color: var(--muted); margin: 8px 0 0; font-size: 13px; }

h2 { margin: 0 0 4px; font-size: 16px; }
#ids { margin: 10px 0 0; }
#ids > div { margin-bottom: 10px; }
#ids dt { font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
#ids dd {
  margin: 2px 0 0;
  font-family: ui-monospace, Consolas, monospace;
  font-size: 13px;
  word-break: break-all;
  white-space: pre-wrap;
}

.player-wrap {
  flex: 1 1 auto;
  min-height: 220px;
  background: #111;
  position: relative;
  display: flex;
}
#player {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}
.player-empty {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  color: rgba(255,255,255,0.45);
  pointer-events: none;
}
.player-wrap.has-video .player-empty { display: none; }

.ledger {
  flex: 0 1 34%;
  min-height: 120px;
  max-height: 38vh;
  overflow: auto;
  padding: 12px 16px 16px;
  border-top: 1px solid var(--line);
}

#clips { list-style: none; padding: 0; margin: 10px 0 0; }
#clips li {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 8px;
  cursor: pointer;
}
#clips li:hover, #clips li.active { border-color: var(--accent); }
#clips .name { font-weight: 600; }
#clips .meta, #clips .path {
  font-family: ui-monospace, Consolas, monospace;
  font-size: 12px;
  color: var(--muted);
  word-break: break-all;
  margin-top: 3px;
}

@media (max-width: 860px) {
  body { height: auto; min-height: 100dvh; }
  header { flex-direction: column; align-items: stretch; }
  .workspace {
    grid-template-columns: 1fr;
    height: auto;
  }
  .player-wrap { min-height: 42vw; height: min(52vh, 56vw); }
  .ledger { max-height: none; flex: none; }
}