:root{--bg:#16252d;--text:#edf5f7;--ink:#edf5f7;--muted:#b3c7d1;--paper:#16252d;--card:#29475c;--line:#9ed6e6;--accent:#2e8c7a;--accent-soft:#b8dbf0;--warn:#d12e29;--given:#1f2e38;--user:#1f6bb8;--error:#d12e29;--board-bg:#f5f0e6;--line-thin:#8c9ea8;--line-thick:#1f3842;--sel:#b8dbf0;--same:#dbe6c7;--peer:#e6ebe0;--note:#596673;--pad:#29475c;--pad-border:#9ed6e6;--pad-text:#fff;--notes-on:#2eb86b;--notes-off:#eb5c47;--btn-secondary:#38424d;--shadow:0 18px 50px rgba(0,0,0,.18)}*{box-sizing:border-box}#__nuxt,body,html{margin:0;min-height:100%}body{background:var(--bg);color:var(--text);font-family:Avenir Next,PingFang SC,Hiragino Sans GB,Noto Sans SC,sans-serif}a{color:inherit;text-decoration:none}button,select{font:inherit}.shell{min-height:100vh}.top{align-items:center;display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;margin:0 auto;max-width:1080px;padding:22px 20px 8px}.brand{font-size:18px;font-weight:700;letter-spacing:.08em}nav{color:var(--muted);display:flex;gap:18px}nav a.router-link-active{color:var(--text)}.themes{display:flex;flex-wrap:wrap;gap:6px}.themes button{align-items:center;background:var(--btn-secondary);border:1px solid transparent;border-radius:999px;color:var(--text);cursor:pointer;display:inline-flex;gap:6px;padding:6px 10px}.themes button.on{border-color:var(--accent)}.themes i{border-radius:50%;display:block;height:12px;width:12px}main{margin:0 auto;max-width:1080px;padding:12px 20px 64px}