:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f6f7fb;--paper:#fff;--text:#172033;--muted:#667085;--line:#d9dee8;--accent:#0f6bff;--accent-soft:#e8f0ff;--danger:#c93434;--success:#147a3f}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-family:Arial,Apple SD Gothic Neo,Noto Sans KR,sans-serif}a{color:inherit}main{width:min(1120px,100% - 32px);margin:0 auto;padding:32px 0 64px}.header{justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px;display:flex}.nav{align-items:center;gap:12px;display:flex}.nav a,.button{border:1px solid var(--line);background:var(--paper);cursor:pointer;border-radius:10px;padding:9px 12px;text-decoration:none}.button.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.card,.paper{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:0 10px 30px #0f23460d}.grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;display:grid}.exam-card{flex-direction:column;display:flex}.exam-card-badge-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.exam-card-footer{gap:12px;margin-top:auto;padding-top:8px;display:grid}.exam-card-footer .button{justify-self:start}.score-badge{color:var(--success);background:#ecfdf3}.muted{color:var(--muted)}.badge{background:var(--accent-soft);color:var(--accent);border-radius:999px;padding:4px 9px;font-size:12px;font-weight:700;display:inline-flex}.question{border-top:1px solid var(--line);padding:22px 0}.question:first-child{border-top:0;padding-top:0}.choices{border:0;gap:10px;min-inline-size:0;margin:14px 0 0;padding:0;display:grid}.choice{border:1px solid var(--line);border-radius:12px;align-items:flex-start;gap:10px;padding:12px;display:flex}.choice input{margin-top:3px}.material{border:1px solid var(--line);background:#fbfcff;border-radius:12px;margin:14px 0;padding:14px}.material img{border-radius:10px;max-width:100%;height:auto;display:block}.material table{border-collapse:collapse;background:#fff;width:100%}.material th,.material td{border:1px solid var(--line);text-align:left;vertical-align:top;padding:8px}.material th{background:#eef5ff}.result-correct{color:var(--success);font-weight:700}.result-wrong{color:var(--danger);font-weight:700}.sticky-submit{border-top:1px solid var(--line);background:#f6f7fbf0;margin-top:20px;padding:16px 0;position:sticky;bottom:0}.question-title-row{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.question-title-row h3{margin:0}.star-wrap{align-items:center;gap:8px;display:inline-flex}.star-button{color:#d97706;cursor:pointer;background:0 0;border:0;padding:0 4px;font-size:2rem;line-height:1}.star-button:disabled{cursor:wait;opacity:.55}.inline-error{color:#b91c1c;font-size:.85rem}.memo-box{border-top:1px solid #e2e8f0;gap:8px;margin-top:16px;padding-top:16px;display:grid}.memo-box textarea{font:inherit;resize:vertical;border:1px solid #cbd5e1;border-radius:12px;width:100%;padding:12px}.memo-actions{align-items:center;gap:12px;display:flex}.note-panel{gap:8px;margin-top:14px;display:grid}.note-panel-compact{margin-top:10px}.note-panel-heading{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.auth-nav{align-items:center;gap:10px;display:inline-flex}.auth-avatar{border:1px solid var(--line);background-position:50%;background-size:cover;border-radius:999px;width:32px;height:32px;display:inline-block}.sign-in-prompt{text-align:center;gap:12px;max-width:520px;margin:32px auto;display:grid}.sign-in-prompt form{justify-self:center}