:root{--fg:#1b1f2e;--muted:#5d6478;--line:#d9dce6;--bg:#f6f7fb;--card:#ffffff;--accent:#3f4fb8;--danger:#b3261e;color-scheme:light}*{box-sizing:border-box}body{margin:0;font:15px/1.5 system-ui,-apple-system,Segoe UI,sans-serif;color:var(--fg);background:var(--bg)}main{max-width:960px;margin:0 auto;padding:24px 16px 64px}main.narrow{max-width:420px}a{color:var(--accent)}h1{font-size:1.6rem;margin:0 0 16px}h2{font-size:1.15rem;margin:0 0 12px}.topbar{display:flex;flex-wrap:wrap;gap:12px 20px;align-items:center;padding:12px 16px;background:var(--card);border-bottom:1px solid var(--line)}.topbar .brand{font-weight:700;letter-spacing:.08em;text-decoration:none;color:var(--fg)}.topbar nav{display:flex;flex-wrap:wrap;gap:14px;flex:1 1}.topbar form{margin:0}.card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:16px;margin-bottom:16px}.muted{color:var(--muted)}.row{display:flex;flex-wrap:wrap;gap:8px;align-items:flex-end}.grid{display:grid;grid-gap:12px;gap:12px;grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}form.stack{display:grid;grid-gap:10px;gap:10px;max-width:520px}label{display:grid;grid-gap:4px;gap:4px;font-size:.85rem;color:var(--muted)}button,input,select,textarea{font:inherit}input,select,textarea{padding:6px 8px;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--fg);min-width:0}textarea{min-height:64px}button{padding:6px 12px;border:1px solid var(--accent);border-radius:6px;background:var(--accent);color:#fff;cursor:pointer}button.secondary{background:#fff;color:var(--accent)}button.danger{background:#fff;color:var(--danger);border-color:var(--danger)}button:disabled{opacity:.5;cursor:default}table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:8px 6px;border-bottom:1px solid var(--line);vertical-align:top}.notice{padding:8px 12px;border-radius:6px;background:#e8f3ea;border:1px solid #b9d9be}.notice-error{background:#fbeceb;border-color:#efc2bf;color:var(--danger)}.badge{display:inline-block;padding:1px 8px;border-radius:99px;font-size:.78rem;border:1px solid var(--line)}.badge.published{background:#e8f3ea;border-color:#b9d9be}.share{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.share input{flex:1 1;min-width:240px;font-family:ui-monospace,monospace}.visual-placeholder{display:grid;place-content:center;grid-gap:4px;gap:4px;text-align:center;aspect-ratio:200/240;width:100%;max-width:160px;border:1px dashed var(--line);border-radius:8px;background:#eef0f8;color:var(--muted);font-size:.8rem}.we-row{display:grid;grid-template-columns:32px 1fr;grid-gap:12px;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}.we-row:last-child{border-bottom:0}.we-row .fields{display:grid;grid-gap:8px;gap:8px;grid-template-columns:repeat(auto-fill,minmax(110px,1fr))}.we-row .fields label.wide{grid-column:1/-1}.public-exercise{display:grid;grid-template-columns:160px 1fr;grid-gap:16px;gap:16px}@media (max-width:560px){.public-exercise{grid-template-columns:1fr}}