/* BUTTERFLY EFFECT — Skillful skin (2026-07).
   Night-side world, one luminous thread of consequence. Deep-space ink
   ground, cyan thread, GOLD surges, violet mega-links, rose fizzle.
   Class structure matches the shared cascade app.js hooks — do not rename
   ids/classes. Reskins edit ONLY this :root block. */

:root {
  --bg: #070a14;
  --bg-2: #0a0e1a;
  --panel: #121a2e;
  --panel-2: #0f1626;
  --line: #222c44;
  --ink: #eaf0ff;
  --muted: #8b93a7;
  --faint: #5b647c;
  --accent: #35e0d0;        /* the thread */
  --surge: #f5c97b;         /* ⚡ surge links + money */
  --mega: #b58bff;          /* 🌀 mega links */
  --ok: #5de8a0;
  --bad: #ff6b8a;           /* fizzle */
  --money: #f5c97b;

  /* fonts */
  --font-display: "Orbitron", sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  /* one-off surfaces */
  --bg-glow: #10182c;
  --field-1: #141d33;
  --field-2: #080c17;
  --cta-ink: #04231f;
  --cta-hi: #5cead9;
  --cta-lo: #2fd3c2;
  --hover-well: #2e3a58;
  --ink-soft: #d3daee;
}

* { box-sizing: border-box; }
html, body {
  margin: 0; height: 100%;
  background:
    radial-gradient(1200px 620px at 50% -12%, var(--bg-glow) 0%, transparent 62%),
    var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
}

/* ── topbar ── */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px; border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.brand-logo { height: 22px; }
.brand-sep { width: 1px; height: 18px; background: var(--line); }
.brand-game { font-family: var(--font-display); font-size: 13px; letter-spacing: 0.08em; }
.meta { display: flex; align-items: center; gap: 12px; font-size: 13px; }
.balance {
  font-family: var(--font-mono); font-variant-numeric: tabular-nums;
  color: var(--money); font-weight: 700; font-size: 15px;
  padding: 6px 12px; border-radius: 11px;
  border: 1px solid rgba(245, 201, 123, 0.28);
  background: rgba(245, 201, 123, 0.07);
}
.muted { color: var(--muted); }

/* ── layout ── */
.stage-wrap {
  display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(320px, 1fr);
  gap: 20px; padding: 20px; max-width: 1280px; margin: 0 auto;
}
@media (max-width: 900px) { .stage-wrap { grid-template-columns: 1fr; } }

.canvas-frame {
  position: relative; border: 1px solid var(--line); border-radius: 18px;
  overflow: hidden; aspect-ratio: 16 / 11;
  background: radial-gradient(120% 90% at 50% 8%, var(--field-1) 0%, var(--field-2) 70%);
}
#stage { position: absolute; inset: 0; width: 100%; height: 100%; }
.director {
  position: absolute; left: 12px; right: 12px; bottom: 12px;
  padding: 10px 14px; border-radius: 12px; font-family: var(--font-mono);
  font-size: 13px; line-height: 1.45; color: var(--accent);
  background: rgba(7, 10, 20, 0.78); border: 1px solid var(--line);
  min-height: 2.6em;
}
.hud {
  display: flex; gap: 12px; margin-top: 12px;
}
.hud > div {
  flex: 1; display: flex; justify-content: space-between; align-items: baseline;
  padding: 10px 14px; border: 1px solid var(--line); border-radius: 12px;
  background: var(--panel-2);
}
.hud .k { font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--faint); font-weight: 700; }
.hud .v { font-family: var(--font-mono); font-size: 20px; font-weight: 700; }
.hud .v.money { color: var(--money); }

/* ── control column ── */
.hero-eyebrow {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.26em;
  color: var(--mega); text-transform: uppercase; margin-bottom: 6px;
}
.title-row { display: flex; align-items: center; gap: 12px; }
.title { font-family: var(--font-display); font-size: 26px; margin: 0; letter-spacing: 0.04em; }
.tagline { color: var(--muted); font-size: 13.5px; line-height: 1.55; }
.howto-btn {
  border: 1px solid var(--line); background: transparent; color: var(--muted);
  border-radius: 999px; padding: 7px 14px; cursor: pointer;
  font-family: var(--font-body); font-size: 12px; font-weight: 600;
  transition: background 0.12s, transform 0.12s, color 0.12s;
}
.howto-btn:hover { color: var(--accent); border-color: var(--accent); transform: translateY(-1px); }

.panel {
  border: 1px solid var(--line); border-radius: 16px; padding: 16px;
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  margin-top: 14px;
}
.label { font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--faint); font-weight: 700; margin-bottom: 8px; }
.stakes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 12px; }
.stake-pill {
  padding: 11px 0; border-radius: 11px; cursor: pointer;
  border: 1px solid var(--line); background: rgba(255, 255, 255, 0.02);
  color: var(--ink); font-family: var(--font-mono);
  font-variant-numeric: tabular-nums; font-size: 13px; font-weight: 600;
  transition: transform 0.12s, border-color 0.12s, background 0.12s;
}
.stake-pill:hover { transform: translateY(-1px); border-color: var(--accent); }
.stake-pill.active {
  border-color: var(--accent); background: rgba(53, 224, 208, 0.12);
  color: var(--accent); box-shadow: 0 0 14px -6px var(--accent);
}
.stake-pill.is-locked { opacity: 0.45; pointer-events: none; }

.cta {
  width: 100%; padding: 14px; border: none; border-radius: 12px; cursor: pointer;
  font-family: var(--font-display); font-weight: 700; font-size: 15px;
  letter-spacing: 0.05em; color: var(--cta-ink);
  background: linear-gradient(180deg, var(--cta-hi), var(--cta-lo));
  transition: filter 0.12s, transform 0.12s;
}
.cta:hover:not(:disabled) { filter: brightness(1.06); transform: translateY(-1px); }
.cta:disabled { opacity: 0.45; cursor: default; }
.ghost {
  width: 100%; padding: 13px; border-radius: 12px; cursor: pointer;
  border: 1px solid var(--surge); background: rgba(245, 201, 123, 0.1);
  color: var(--surge); font-family: var(--font-mono); font-weight: 700; font-size: 14px;
}
.ghost:disabled { opacity: 0.4; cursor: default; }
.play-actions { display: grid; grid-template-columns: 1.4fr 1fr; gap: 10px; margin-top: 12px; }
.hint { color: var(--faint); font-size: 12px; line-height: 1.5; margin-top: 10px; }

/* ── ladder ── */
.ladder {
  max-height: 220px; overflow-y: auto; border: 1px solid var(--line);
  border-radius: 12px; background: var(--bg-2); padding: 6px;
  font-family: var(--font-mono); font-size: 12.5px;
}
.ladder-row {
  display: grid; grid-template-columns: 26px 34px 1fr auto;
  gap: 8px; padding: 5px 8px; border-radius: 8px; color: var(--faint);
}
.ladder-row .l-mult { font-weight: 700; }
.ladder-row.kind-surge .l-kind, .ladder-row.kind-surge .l-mult { color: var(--surge); }
.ladder-row.kind-mega .l-kind, .ladder-row.kind-mega .l-mult { color: var(--mega); }
.ladder-row.done { color: var(--ink); background: rgba(53, 224, 208, 0.07); }
.ladder-row.done .l-mult { color: var(--accent); }
.ladder-row.next { outline: 1px solid var(--accent); color: var(--ink); }
.ladder-row.died { background: rgba(255, 107, 138, 0.12); color: var(--bad); }

/* ── forks ── */
.fork-row { margin-top: 12px; }
.fork-label { font-size: 12px; color: var(--mega); margin-bottom: 8px; font-family: var(--font-mono); }
.fork-btns { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.cta.fork { background: linear-gradient(180deg, var(--mega), #8f6bff); color: #14082b; }

/* ── reveal ── */
#reveal-panel h2 { font-family: var(--font-display); margin: 0 0 6px; }
#reveal-body { color: var(--ink-soft); }
.road {
  border-left: 3px solid var(--mega); padding: 8px 12px; border-radius: 6px;
  background: rgba(181, 139, 255, 0.08); color: var(--ink-soft);
  font-size: 13px; line-height: 1.5;
}
.story { margin: 10px 0; }
.story p {
  font-family: var(--font-mono); font-size: 12px; color: var(--muted);
  border-left: 2px solid var(--line); padding-left: 10px; margin: 6px 0;
  line-height: 1.45;
}
.ok { color: var(--ok); } .bad { color: var(--bad); } .hl { color: var(--surge); }

.game-status { color: var(--muted); font-size: 12.5px; margin-top: 12px; min-height: 1.4em; }

/* ── how-to modal ── */
.howto-overlay {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(5, 8, 16, 0.8); backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center; padding: 24px;
}
.howto-card {
  position: relative; max-width: 600px; width: 100%; max-height: 88vh; overflow-y: auto;
  border: 1px solid var(--line); border-radius: 18px; padding: 26px 28px;
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
}
.howto-close {
  position: absolute; top: 14px; right: 14px; width: 32px; height: 32px;
  border: none; border-radius: 9px; background: var(--panel-2); color: var(--ink);
  cursor: pointer; font-size: 15px;
}
.howto-close:hover { background: var(--hover-well); }
.howto-title { font-family: var(--font-display); margin: 4px 0 12px; }
.howto-steps { padding-left: 20px; margin: 0 0 12px; }
.howto-steps li { font-size: 14px; line-height: 1.55; color: var(--ink-soft); margin-bottom: 9px; }
.howto-tip { color: var(--muted); font-size: 13px; line-height: 1.5; }
.hidden { display: none !important; }