:root {
  --bg: #0d1117;
  --card: #161b22;
  --card-hover: #1c2330;
  --border: #2d333b;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent-script: #a371f7;
  --accent-media: #58a6ff;
  --accent-render: #3fb950;
  --error: #f85149;
  --zoom: #d29922;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background: var(--bg); color: var(--text);
  font: 14px/1.5 -apple-system, "SF Pro", "Segoe UI", Roboto, sans-serif;
  padding: 24px;
}
header { max-width: 1200px; margin: 0 auto 20px; }
h1 { font-size: 20px; font-weight: 650; }
#subtitle { color: var(--muted); margin-top: 4px; font-size: 13px; }
main { max-width: 1200px; margin: 0 auto; }

#totals {
  display: flex; gap: 24px; flex-wrap: wrap;
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 14px 20px; margin-bottom: 20px; font-size: 15px;
}
#totals b { font-size: 20px; display: block; }
#totals .lbl { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .05em; }

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 900px) { .grid { grid-template-columns: 1fr; } }

.card {
  position: relative;
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 16px; cursor: pointer; transition: background .15s, transform .15s;
}
.card:hover { background: var(--card-hover); transform: translateY(-2px); }
.card .stepnum {
  position: absolute; top: 12px; right: 14px;
  width: 26px; height: 26px; border-radius: 50%;
  display: grid; place-items: center;
  font-weight: 700; font-size: 13px; color: #0d1117;
}
.phase-Script .stepnum { background: var(--accent-script); }
.phase-Media .stepnum { background: var(--accent-media); }
.phase-Render .stepnum { background: var(--accent-render); }
.card .phase-tag { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.card h2 { font-size: 16px; margin: 2px 28px 6px 0; }
.card .summary { color: var(--muted); font-size: 12.5px; min-height: 38px; }
.card .zoom-badge {
  position: absolute; bottom: 12px; right: 14px;
  font-size: 11px; color: var(--zoom); border: 1px solid var(--zoom);
  border-radius: 6px; padding: 1px 7px;
}
.metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 12px; margin-top: 12px; }
.metric .k { font-size: 10.5px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.metric .v { font-size: 14px; font-weight: 600; }
.metric .v.cost { color: var(--accent-render); }
.metric .v.err { color: var(--error); }
.metric.span { grid-column: span 2; }
.metric .v.small { font-size: 12.5px; font-weight: 500; }
.assets { margin-top: 10px; font-size: 12px; color: var(--muted); }
.assets span { display: inline-block; background: #21262d; border-radius: 6px; padding: 1px 8px; margin: 2px 4px 0 0; }

/* flow arrows between cards (desktop): → across a row, ↓ at row end */
@media (min-width: 901px) {
  .card:not(:nth-child(3n))::after {
    content: "→"; position: absolute; right: -15px; top: 50%; transform: translateY(-50%);
    color: var(--muted); font-size: 16px; z-index: 1;
  }
  .card:nth-child(3)::after, .card:nth-child(6)::after {
    content: "↓"; position: absolute; right: 14px; left: auto; top: auto; bottom: -19px;
    color: var(--muted); font-size: 16px; z-index: 1;
  }
}
.hint { color: var(--muted); font-size: 12.5px; margin-top: 18px; text-align: center; }

/* --- live-run simulation --- */
#runbar { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
#sim-btn {
  background: var(--accent-render); color: #0d1117; border: none; border-radius: 8px;
  font: 600 13px/1 inherit; padding: 10px 16px; cursor: pointer;
}
#sim-btn:disabled { opacity: .5; cursor: default; }
#run-status { color: var(--muted); font-size: 13px; }

#ticker-wrap {
  background: #010409; border: 1px solid var(--border); border-radius: 10px;
  padding: 10px 14px; margin-bottom: 18px; min-height: 132px;
  font: 12.5px/1.9 "SF Mono", Menlo, monospace;
}
#ticker-wrap.hidden { display: none; }
.tick { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; animation: tick-in .25s ease-out; }
.tick.err { color: var(--error); }
.tick-step { color: var(--muted); margin-right: 10px; }
@keyframes tick-in { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; } }

.card.pending { opacity: .4; filter: saturate(.4); }
.card.active {
  border-color: var(--accent-render);
  box-shadow: 0 0 0 1px var(--accent-render), 0 0 22px rgba(63,185,80,.25);
  animation: pulse 1.2s ease-in-out infinite;
}
@keyframes pulse { 50% { box-shadow: 0 0 0 1px var(--accent-render), 0 0 34px rgba(63,185,80,.45); } }
.card.done { opacity: 1; }
.card.done .stepnum::after { content: "✓"; position: absolute; font-size: 10px; margin-top: -1px; }

/* modal */
.modal { position: fixed; inset: 0; z-index: 10; display: grid; place-items: center; }
.modal.hidden { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.65); }
.modal-card {
  position: relative; background: var(--card); border: 1px solid var(--border);
  border-radius: 14px; padding: 24px; width: min(860px, 92vw); max-height: 84vh; overflow: auto;
}
#modal-close {
  position: absolute; top: 12px; right: 14px; background: none; border: none;
  color: var(--muted); font-size: 24px; cursor: pointer;
}
#modal-close:hover { color: var(--text); }
#modal-body h2 { margin-bottom: 4px; }
#modal-body .modal-summary { color: var(--muted); margin-bottom: 16px; }
.detail-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.detail-table th, .detail-table td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
.detail-table th { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .05em; }
.detail-table tr.err td { color: var(--error); }
.detail-table td.num { text-align: right; font-variant-numeric: tabular-nums; }
.detail-table .note { color: var(--muted); }
.no-detail { color: var(--muted); margin-top: 8px; }
.modal-metrics { display: flex; gap: 20px; flex-wrap: wrap; margin: 12px 0 18px; }
.modal-metrics .metric .v { font-size: 16px; }