:root{--bg: #f6f5f1;--card: #ffffff;--text: #1d1f23;--muted: #6a6f78;--line: #e3e1da;--accent: #2f5bd3;--accent-soft: #e7edfc;--good: #1e8a4c;--good-soft: #e4f4ea;--bad: #c2412d;--bad-soft: #fbe9e5;--mid: #b7791f;--mid-soft: #fbf1dc;--radius: 14px;color-scheme:light}@media(prefers-color-scheme:dark){:root{--bg: #15171b;--card: #1e2127;--text: #e9eaec;--muted: #9aa0aa;--line: #30343c;--accent: #7a9cff;--accent-soft: #232c45;--good: #52c285;--good-soft: #1c3226;--bad: #f07a66;--bad-soft: #3a2320;--mid: #e0a849;--mid-soft: #382c18;color-scheme:dark}}*{box-sizing:border-box}html,body{margin:0}body{background:var(--bg);color:var(--text);font:16px/1.55 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}a{color:var(--accent);text-decoration:none}h1{font-size:1.6rem;margin:0;letter-spacing:-.01em}h2{font-size:1.15rem;margin:0}h3{font-size:.95rem;margin:.5rem 0 0;color:var(--muted);font-weight:600}p{margin:.35rem 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.cp-mark{color:var(--bad)}.followup{background:var(--accent-soft);border-radius:10px;padding:10px 14px}code{background:var(--bg);padding:1px 5px;border-radius:4px;font-size:.9em}.login{padding-top:12vh;max-width:420px}.code-input{font-size:1.6rem;letter-spacing:.4em;text-align:center}.sync-synced{color:var(--good)}.sync-saving{color:var(--muted)}.sync-error{color:var(--mid)}.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line)}.tabs a{padding:8px 12px;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px}.tabs a.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}.entry.due{border-color:var(--mid)}@media(max-width:480px){.stats-row{gap:8px}.stat-num{font-size:1.3rem}.grid-2{grid-template-columns:1fr}.skill-row{grid-template-columns:1fr 70px}.skill-row .num{grid-column:1 / -1;text-align:left}}