:root {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color-scheme: dark;
  --bg: #091119;
  --panel: #111c27;
  --panel2: #172532;
  --text: #f7fafc;
  --muted: #9eb0c0;
  --accent: #73d4a6;
  --danger: #ff7272;
  --border: rgba(255,255,255,.1);
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); }
button, input, select { font: inherit; }
button { cursor: pointer; }
.hidden { display: none !important; }

.display-shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: clamp(18px, 4vw, 54px);
  gap: 20px;
}
.display-top, .display-bottom { display: flex; justify-content: space-between; align-items: center; gap: 20px; color: var(--muted); }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-weight: 800; font-size: clamp(12px, 2vw, 18px); color: var(--accent); }
.current-card { align-self: center; text-align: center; }
.activity { font-size: clamp(34px, 7vw, 86px); line-height: 1.02; font-weight: 850; margin: 12px auto 20px; max-width: 1200px; }
.coordinator { font-size: clamp(20px, 3vw, 38px); color: var(--muted); }
.timer { font-variant-numeric: tabular-nums; font-size: clamp(78px, 20vw, 250px); font-weight: 900; letter-spacing: -.05em; line-height: .9; margin: 40px 0 10px; }
.timer.overtime { color: var(--danger); }
.timer-label { color: var(--muted); text-transform: uppercase; letter-spacing: .15em; font-weight: 800; }
.next { text-align: right; }

.controller-shell { max-width: 1180px; margin: 0 auto; padding: 24px; }
.controller-header { display:flex; justify-content:space-between; align-items:center; gap:16px; margin-bottom:20px; }
.controller-header h1 { margin: 0; }
.controller-grid { display:grid; grid-template-columns: 1.1fr .9fr; gap:18px; }
.panel { background:var(--panel); border:1px solid var(--border); border-radius:16px; padding:18px; }
.panel h2 { margin-top:0; }
.current-controller { font-size: clamp(28px, 5vw, 54px); margin: 8px 0; }
.controller-timer { font-size: clamp(52px, 9vw, 100px); font-weight: 900; font-variant-numeric:tabular-nums; }
.meta { color:var(--muted); }
.controls { display:grid; grid-template-columns:repeat(4,1fr); gap:10px; margin-top:16px; }
.btn { border:1px solid var(--border); border-radius:10px; padding:13px 14px; background:var(--panel2); color:var(--text); font-weight:750; }
.btn.primary { background:var(--accent); color:#07150e; border-color:transparent; }
.btn.danger { background:#3a1a1a; }
.file-row { display:flex; gap:10px; align-items:center; flex-wrap:wrap; }
input[type=file], input[type=password] { background:var(--panel2); color:var(--text); border:1px solid var(--border); border-radius:10px; padding:12px; }
.login { min-height:100vh; display:grid; place-items:center; padding:20px; }
.login .panel { width:min(420px, 100%); }
.login form { display:flex; flex-direction:column; gap:12px; }
.rundown { max-height: 550px; overflow:auto; margin-top:12px; }
.rundown-item { width:100%; text-align:left; display:grid; grid-template-columns:72px 1fr auto; gap:10px; align-items:center; padding:11px; margin-bottom:7px; border-radius:9px; border:1px solid var(--border); background:transparent; color:var(--text); }
.rundown-item.active { background:var(--panel2); border-color:var(--accent); }
.rundown-item small { color:var(--muted); }
.status { min-height:1.4em; color:var(--muted); }
.status.error { color:var(--danger); }

@media (max-width: 800px) {
  .controller-grid { grid-template-columns:1fr; }
  .controls { grid-template-columns:repeat(2,1fr); }
  .display-bottom { align-items:flex-end; }
}