:root {
  --bg: #0b0a08;
  --bg-2: #12110e;
  --surface: #18160f;
  --surface-2: #1f1c14;
  --line: rgba(232, 184, 109, 0.14);
  --gold: #e8b86d;
  --gold-2: #c4923a;
  --ink: #f4efe4;
  --muted: #a39a8a;
  --dim: #6e675c;
  --green: #8fbf7a;
  --amber: #e0b04a;
  --red: #d37a6a;
  --blue: #8fb4c9;
  --radius: 18px;
  --font: "Iowan Old Style", Palatino, "Palatino Linotype", "Noto Serif Bengali", Georgia, serif;
  --sans: ui-sans-serif, system-ui, "Noto Sans Bengali", "Nirmala UI", sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { min-height: 100%; background: var(--bg); color: var(--ink); }
body {
  font-family: var(--sans);
  line-height: 1.55;
  padding-bottom: calc(72px + env(safe-area-inset-bottom));
  -webkit-font-smoothing: antialiased;
}

a { color: var(--gold); text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

.app { max-width: 720px; margin: 0 auto; padding: 0 16px 40px; }

.top {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  margin: 0 -16px;
  padding: 12px 16px 10px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.mark {
  width: 34px; height: 34px; border-radius: 10px;
  background: radial-gradient(circle at 30% 20%, #f0d19a, var(--gold-2));
  color: #1a1408; display: grid; place-items: center;
  font-family: var(--font); font-weight: 700; font-size: 18px;
}
.brand h1 { font-family: var(--font); font-size: 18px; letter-spacing: 0.02em; font-weight: 600; }
.brand p { font-size: 11px; color: var(--muted); letter-spacing: 0.12em; text-transform: uppercase; }
.progress-mini { margin-top: 10px; }
.bar { height: 6px; background: #2a261c; border-radius: 99px; overflow: hidden; }
.bar > i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--gold-2), var(--gold)); border-radius: 99px; }
.progress-mini span { display: flex; justify-content: space-between; font-size: 11px; color: var(--muted); margin-top: 6px; }

.hero { padding: 22px 0 8px; }
.kicker { font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--gold); }
.hero h2 { font-family: var(--font); font-size: 34px; line-height: 1.15; margin: 8px 0 10px; font-weight: 600; }
.lede { color: var(--muted); font-size: 15px; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin: 18px 0; }
.stat {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 14px; padding: 10px 8px; text-align: center;
}
.stat b { display: block; font-family: var(--font); font-size: 20px; }
.stat span { font-size: 10px; color: var(--muted); }

.locks { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 18px; }
.chip {
  border: 1px solid var(--line); background: var(--surface);
  border-radius: 999px; padding: 6px 10px; font-size: 12px; color: var(--muted);
}
.chip strong { color: var(--ink); font-weight: 600; }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  margin: 12px 0;
}
.card h3 { font-family: var(--font); font-size: 20px; margin-bottom: 8px; }
.muted { color: var(--muted); font-size: 14px; }
.now-task { border-color: color-mix(in srgb, var(--gold) 35%, var(--line)); }

.status {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--muted);
}
.dot { width: 7px; height: 7px; border-radius: 99px; background: var(--dim); }
.dot.done { background: var(--green); }
.dot.work { background: var(--amber); animation: pulse 1.6s infinite; }
.dot.block { background: var(--red); }
@keyframes pulse { 50% { opacity: 0.4; } }

.phase {
  display: grid; grid-template-columns: 52px 1fr; gap: 12px;
  padding: 14px 0; border-bottom: 1px solid var(--line);
}
.phase:last-child { border-bottom: 0; }
.phase .num {
  font-family: var(--font); font-size: 22px; color: var(--gold);
  line-height: 1;
}
.phase h4 { font-size: 16px; font-weight: 650; }
.phase .meta { font-size: 12px; color: var(--dim); margin: 2px 0 6px; }
.phase p { font-size: 13.5px; color: var(--muted); }
.phase .skip { color: var(--dim); font-size: 12px; margin-top: 4px; }

.nav {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
  display: grid; grid-template-columns: repeat(5, 1fr);
  background: color-mix(in srgb, var(--bg-2) 92%, transparent);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--line);
  padding: 8px 6px calc(8px + env(safe-area-inset-bottom));
}
.nav a {
  color: var(--dim); text-align: center; font-size: 10px; letter-spacing: 0.02em;
  display: flex; flex-direction: column; gap: 3px; align-items: center;
}
.nav a.active { color: var(--gold); }
.nav svg { width: 22px; height: 22px; }

.page { display: none; animation: in 0.25s ease; }
.page.on { display: block; }
@keyframes in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.section-title { font-family: var(--font); font-size: 28px; margin: 18px 0 8px; }
ul.clean { padding-left: 18px; color: var(--muted); }
ul.clean li { margin: 6px 0; }
.placeholder {
  border: 1px dashed var(--line); color: var(--dim);
  border-radius: var(--radius); padding: 28px 16px; text-align: center; margin: 16px 0;
}
.ascii {
  font-family: var(--mono); font-size: 11px; line-height: 1.35;
  white-space: pre; overflow-x: auto; color: #d9c7a0;
  background: #0e0d0a; border-radius: 12px; padding: 12px; border: 1px solid var(--line);
}
.note {
  background: #1a1710; border-left: 3px solid var(--gold);
  padding: 10px 12px; border-radius: 0 12px 12px 0; color: var(--muted); font-size: 13.5px;
  margin: 12px 0;
}

.cta {
  display: block; text-align: center; margin: 16px 0;
  background: var(--gold); color: #1a1408; font-weight: 700;
  padding: 14px; border-radius: 14px;
}
.doc-link {
  display: block; background: var(--surface); border: 1px solid var(--line);
  border-radius: 16px; padding: 14px 16px; margin: 10px 0; color: var(--ink);
}
.doc-link b { display: block; font-size: 16px; }
.doc-link span { color: var(--muted); font-size: 12px; }
.back { display: inline-block; margin: 12px 0 0; font-size: 14px; }
.md h1, .md h2, .md h3 { font-family: var(--font); margin: 16px 0 8px; }
.md h1 { font-size: 26px; }
.md h2 { font-size: 20px; }
.md p, .md li { color: var(--muted); margin: 8px 0; }
.md ul, .md ol { padding-left: 20px; }
.md code { font-family: var(--mono); font-size: 12px; background: #0e0d0a; padding: 1px 5px; border-radius: 6px; }
.md pre { overflow-x: auto; background: #0e0d0a; padding: 12px; border-radius: 12px; font-size: 12px; color: #d9c7a0; }
.md table { width: 100%; border-collapse: collapse; font-size: 13px; display: block; overflow-x: auto; }
.md th, .md td { border: 1px solid var(--line); padding: 6px 8px; text-align: left; vertical-align: top; }
.md th { color: var(--gold); }
.md strong { color: var(--ink); }

@media (min-width: 880px) {
  .app { max-width: 860px; padding-top: 8px; }
  .hero h2 { font-size: 44px; }
}