:root{--bg: #f1eadf;--card: #fffdf8;--line: #d8c8b0;--text: #1e1812;--muted: #716353;--primary: #174f67;--primary-strong: #0f3b4f;--accent: #be642f;--danger: #b83232;--ok: #276749;--shadow: 0 18px 50px rgba(48, 37, 25, .1)}*{box-sizing:border-box}body{margin:0;font-family:Hiragino Mincho ProN,Yu Mincho,Hiragino Kaku Gothic ProN,serif;background:radial-gradient(circle at 12% 0%,#fff7df 0%,transparent 34%),linear-gradient(145deg,#f7edd9 0%,var(--bg) 52%,#e5dccf 100%);color:var(--text)}.layout{max-width:1180px;margin:0 auto;padding:22px;display:grid;gap:16px}.card{background:color-mix(in srgb,var(--card) 94%,white);border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow)}.hero{display:grid;grid-template-columns:1fr auto;align-items:center;gap:16px;background:linear-gradient(135deg,#fff5dd,#fffdf8 58%,#e9f3ed);border-color:#d8c19d}.hero h1{margin:0;font-size:clamp(28px,4vw,44px);letter-spacing:-.04em}.hero p{margin:6px 0 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small{color:inherit;opacity:.72;font-size:10px}.heat-cell.blank{border-color:transparent;background:transparent}.heat-cell.level-0{background:#f1eadf}.heat-cell.level-1{background:#d7e8d2;border-color:#bdd9b6}.heat-cell.level-2{background:#9fd09a;border-color:#7ab875;color:#20361d}.heat-cell.level-3{background:#4f9b5b;border-color:#3d8548;color:#fff}.heat-cell.level-4{background:#1d6f3a;border-color:#15572d;color:#fff}.heat-cell.selected{outline:3px solid var(--accent);outline-offset:2px}.heatmap-legend{display:flex;gap:5px;align-items:center;color:var(--muted);font-size:12px}.heatmap-legend .heat-cell{width:18px;min-height:18px}.day-detail{display:grid;gap:6px}.day-detail h3{margin:0 0 6px}.day-detail p{margin:0}.sub{color:var(--muted);font-size:12px}.badge{display:inline-block;padding:2px 8px;border-radius:999px;background:#efe5d5;font-size:11px}@media (max-width: 900px){.metrics{grid-template-columns:repeat(2,1fr)}.form{grid-template-columns:1fr}}@media (max-width: 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