:root{--bg:#f6f5f1;--card:#fff;--text:#222;--muted:#666;--line:#ddd;--primary:#2f6f4f;--primary-text:#fff;--ok-bg:#e7f4ec;--info-bg:#e8f0fb;--warn-bg:#fff4d6;--warn-line:#e0b84a;--error-bg:#fde8e8;--changed:#fffbe8;color:var(--text);font-family:Malgun Gothic,Apple SD Gothic Neo,system-ui,sans-serif;font-size:17px;line-height:1.5}*{box-sizing:border-box}body{background:var(--bg);margin:0}.page{max-width:760px;margin:0 auto;padding:16px}h1{margin:8px 0 4px;font-size:24px}h2{margin:0 0 12px;font-size:20px}.sub,.small{color:var(--muted);margin:0;font-size:16px}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;margin:16px 0;padding:16px}button{font:inherit;cursor:pointer;background:#fff;border:1px solid #bbb;border-radius:8px;min-height:44px;padding:8px 18px}button.primary{background:var(--primary);border-color:var(--primary);color:var(--primary-text)}button.big{width:100%;min-height:52px;font-size:18px}button:disabled{opacity:.45;cursor:default}button.link{min-height:44px;color:var(--primary);background:0 0;border:none;padding:0 4px;text-decoration:underline}.row{flex-wrap:wrap;gap:8px;margin-top:12px;display:flex}.banner{border:1px solid #0000;border-radius:10px;margin:12px 0;padding:12px 14px}.banner.ok{background:var(--ok-bg)}.banner.info{background:var(--info-bg)}.banner.warn{background:var(--warn-bg);border-color:var(--warn-line)}.banner.error{background:var(--error-bg)}.info{grid-template-columns:max-content 1fr;gap:4px 16px;margin:0;display:grid}.info dt{color:var(--muted)}.info dd{margin:0}details{margin-top:12px}summary{cursor:pointer;align-items:center;min-height:44px;display:flex}.log{margin:4px 0 0;padding-left:20px;font-size:16px}.students{margin:12px 0 0;padding:0;list-style:none}.students li{border-bottom:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:8px 16px;padding:10px;display:flex}.students li.changed{background:var(--changed)}.students .name{min-width:70px;font-weight:700}.students label{align-items:center;gap:6px;display:flex}.students label.grow{flex:220px}select,input{font:inherit;background:#fff;border:1px solid #bbb;border-radius:8px;min-height:44px;padding:6px 10px}label.grow input{flex:1;min-width:0}.pending{color:#b35c00;margin:12px 0 0;font-weight:700}@media (width<=480px){.info{grid-template-columns:1fr}.info dd{margin-bottom:6px}.actions button{flex:100%}}