:root{--teal:#5bc2be;--teal-d:#237f7b;--mint:#e6f5f4;--amber:#ffc857;--ink:#2b2b2b;--line:#d5e9e8;--bg:#fbfefe}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Pretendard,Apple SD Gothic Neo,Malgun Gothic,system-ui,sans-serif;line-height:1.6}.page{max-width:560px;margin:0 auto;padding:0 16px 48px}.top{display:flex;align-items:center;justify-content:space-between;padding:16px 0 12px;border-bottom:4px solid var(--teal);margin-bottom:20px}.top img{height:52px;width:auto}h1{font-size:1.6rem;margin:8px 0 2px}h1 small{font-size:1rem;font-weight:500;color:var(--teal-d);margin-left:6px}h2{font-size:1.1rem;margin:24px 0 8px}.sub{color:var(--teal-d);margin:0 0 16px;font-weight:600}.note{color:#5a6b6a;padding:12px 0}.card{background:#fff;border:1px solid var(--line);border-left:6px solid var(--teal);border-radius:6px;padding:12px 14px;margin:10px 0}.card p{margin:6px 0 0;white-space:pre-wrap}.meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.tag{background:var(--amber);border-radius:999px;padding:1px 10px;font-size:.85rem;font-weight:600}.memo{color:#7a5d00;background:#fff6dc;padding:6px 8px;border-radius:4px;font-size:.92rem}.panel{background:var(--mint);border-radius:8px;padding:16px;margin:16px 0}.panel h1,.panel h2{margin-top:0}label{display:block;font-weight:600;margin:10px 0}input,textarea{display:block;width:100%;margin-top:4px;padding:10px;border:1px solid #b5d8d6;border-radius:6px;font:inherit;background:#fff}input:focus,textarea:focus,button:focus-visible{outline:3px solid var(--amber);outline-offset:1px}.row{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}.row input{flex:1 1 120px;margin:0}button{font:inherit;cursor:pointer;border-radius:6px;padding:10px 16px;border:1px solid transparent}.primary{background:var(--teal-d);color:#fff;font-weight:700}.primary:hover{background:#1c6865}.ghost{background:#fff;border-color:#b5d8d6;color:var(--ink)}.ghost:hover{background:var(--mint)}.danger{color:#b3261e;border-color:#e8b4b0}.small{padding:2px 10px;margin-left:auto;font-size:.85rem}.student{display:flex;justify-content:space-between;width:100%;background:#fff;border:1px solid var(--line);border-left:6px solid var(--amber);margin:8px 0;text-align:left}.student:hover{background:var(--mint)}.err{color:#b3261e;margin:8px 0}@media (prefers-reduced-motion:no-preference){button{transition:background .15s}}