:root{--ink: #2a2f3a;--ink-soft: #5b6472;--paper: #fffdf8;--paper-2: #f3efe4;--line: #e2dccb;--accent: #2e86ab;--accent-ink: #fff;--good: #3f9a48;--bad: #c9453a;--gold: #f3b61f;--shadow: 0 6px 20px rgba(30, 35, 50, .14);--radius: 14px;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink)}*{box-sizing:border-box}html,body{margin:0;min-height:100%}body{background:linear-gradient(160deg,#eaf6df,#dff0f7 60%,#dbeaf5);min-height:100vh}a{color:var(--accent)}.muted{color:var(--ink-soft)}.site-header{display:flex;align-items:center;justify-content:space-between;max-width:980px;margin:0 auto;padding:20px 20px 0}.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;text-decoration:none;color:var(--ink)}.brand .badge{width:30px;height:30px;border-radius:8px;background:#8fcf6a;display:block;position:relative;overflow:hidden;flex:none}.brand .badge:before,.brand .badge:after{content:"";position:absolute;bottom:0;border-radius:2px 2px 0 0}.brand .badge:before{left:4px;width:9px;height:13px;background:#c0533a}.brand .badge:after{right:4px;width:9px;height:18px;background:#3f7cac}.nav{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.nav a.btn{text-decoration:none}.nav a.btn.active{background:var(--paper-2);border-color:var(--accent);color:var(--accent);font-weight:700}.btn{font:inherit;font-size:14px;font-weight:600;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:9px 16px;cursor:pointer;box-shadow:0 2px 6px #1e23321a;transition:transform .08s,background .12s;display:inline-flex;align-items:center;gap:6px}.btn:hover:not(:disabled){background:#fff;transform:translateY(-1px)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn.primary{background:var(--accent);border-color:#21688a;color:var(--accent-ink)}.btn.primary:hover:not(:disabled){background:#3a97bd}.btn.big{padding:13px 22px;font-size:16px}.btn.ghost{background:transparent;box-shadow:none}main.page{max-width:980px;margin:0 auto;padding:40px 20px 80px}.hero{text-align:center;padding:40px 0 20px}.hero h1{font-size:clamp(32px,6vw,56px);margin:0 0 8px;letter-spacing:-1px}.hero p.tag{font-size:18px;color:var(--ink-soft);max-width:560px;margin:0 auto 28px}.hero .cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin:40px 0}.feature{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;text-align:center}.feature h3{margin:0;font-size:15px;font-weight:700}.feature p{margin:4px 0 0;color:var(--ink-soft);font-size:14px;line-height:1.5}.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px}.auth-card{max-width:380px;margin:30px auto;text-align:center}.auth-card h1{font-size:26px;margin:0 0 4px}.auth-card p.tag{color:var(--ink-soft);margin:0 0 20px;font-size:14px}.field{text-align:left;margin-bottom:14px}.field label{display:block;font-size:13px;font-weight:600;margin-bottom:5px}.field input{width:100%;font:inherit;font-size:15px;padding:10px 12px;border-radius:10px;border:1px solid var(--line);outline:none}.field input:focus{border-color:var(--accent)}.field .hint{font-size:12px;color:var(--ink-soft);margin-top:4px}.err{color:var(--bad);font-size:13px;min-height:18px;margin:8px 0 0}.switch{margin-top:16px;font-size:14px;color:var(--ink-soft)}table.board{width:100%;border-collapse:collapse;background:var(--paper);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}table.board th,table.board td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--line);font-size:14px}table.board th{color:var(--ink-soft);font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:.04em}table.board tr:last-child td{border-bottom:none}table.board td.rank{width:40px;font-weight:700;color:var(--ink-soft)}.boards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;margin-top:24px}.board-title{font-weight:800;margin:0 0 10px;font-size:18px}footer.site-footer{text-align:center;color:var(--ink-soft);font-size:13px;padding:30px 20px}