:root{color-scheme:light;--ink:#192d45;--paper:#f8f6ef;--line:#dedfd8;--muted:#566372;--accent:#245c56;--error:#a32f34;font:16px/1.6 system-ui,-apple-system,"Noto Sans KR",sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink)}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}button{border:1px solid var(--line);border-radius:12px;padding:11px 17px;min-height:46px;background:white;color:var(--ink);cursor:pointer;font-weight:650}button:hover:not(:disabled){border-color:var(--accent);background:#eef5ef}button:disabled{opacity:.5;cursor:not-allowed}button.primary{background:var(--ink);color:white;border-color:var(--ink)}button.danger{color:var(--error)}:focus-visible{outline:3px solid #b57a17;outline-offset:3px}a{color:var(--ink)}.homework-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 5%;border-bottom:1px solid var(--line);background:#fffdf4}.home-link{text-decoration:none;font-weight:800}.homework-header>span{font-size:.85rem}main{max-width:1160px;margin:28px auto;padding:0 24px}footer{max-width:1160px;margin:30px auto;padding:0 24px 30px;color:var(--muted);font-size:.8rem}.card{background:#fffef9;border:1px solid var(--line);border-radius:20px;padding:24px;margin-bottom:18px}.access{max-width:620px;margin:70px auto}.eyebrow{color:var(--accent);font-weight:750;letter-spacing:.14em;font-size:.75rem;margin:0}h1{font-size:clamp(1.6rem,4vw,2.3rem);line-height:1.3;margin:9px 0 14px}h2{font-size:1.2rem;margin:0 0 12px}h3{font-size:1rem;margin:0}p{margin:8px 0 16px}.muted,.meta{color:var(--muted);font-size:.9rem}.toolbar,.actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.toolbar{justify-content:space-between;margin-bottom:18px}.teacher-grid{display:grid;grid-template-columns:minmax(300px,370px) 1fr;gap:20px}.stack{display:grid;gap:14px}label.field{display:grid;gap:5px;font-size:.9rem;font-weight:650}input,select,textarea{width:100%;border:1px solid #aeb8bc;border-radius:9px;padding:10px 12px;background:white;color:var(--ink)}textarea{resize:vertical;min-height:74px}fieldset{border:1px solid var(--line);border-radius:12px;margin:0;padding:12px}legend{font-weight:650;font-size:.9rem}.check{display:flex;align-items:flex-start;gap:9px;font-size:.9rem;margin:6px 0}.check input{width:20px;height:20px;flex:0 0 auto;margin:3px 0}.word-preview{display:flex;flex-wrap:wrap;gap:7px;padding:0;list-style:none}.word-preview li{background:#edf2ed;padding:3px 10px;border-radius:7px}.assignment{width:100%;text-align:left;margin:8px 0;display:flex;justify-content:space-between;align-items:center;gap:10px}.badge{display:inline-block;white-space:nowrap;border-radius:99px;background:#edf0f3;padding:4px 10px;font-size:.76rem;font-weight:700}.badge.submitted{background:#e8eef9;color:#294d85}.badge.checked{background:#e5f1e6;color:#285b36}.badge.retry{background:#fff0d9;color:#805114}.status{border-left:4px solid var(--accent);padding:10px 14px;background:#edf4ef;margin:12px 0}.status.error{border-color:var(--error);background:#fff0ee;color:var(--error)}.student-grid{display:grid;grid-template-columns:300px 1fr;gap:20px}.word-list{list-style:none;margin:12px 0;padding:0}.word-button{width:100%;display:flex;justify-content:space-between;gap:12px;text-align:left;margin:7px 0}.word-button[aria-current=true]{border:2px solid var(--accent);background:#edf4ef}.word-button small{color:var(--muted)}progress{width:100%;height:13px;accent-color:var(--accent)}.recorder-host{min-height:250px}.recorder-host button{min-height:52px}.recorder-host [data-action=record],.recorder-host .record-button{min-height:76px;width:100%;font-size:1.2rem}.review-row{padding:16px 0;border-top:1px solid var(--line)}.review-row .actions{margin-top:10px}.review-row audio{max-width:100%;width:100%;margin-top:10px}.empty{text-align:center;padding:30px 10px;color:var(--muted)}.preview-banner{background:#fff0d9;border:1px solid #d9b576;border-radius:12px;padding:12px;margin-bottom:16px}button.link{background:transparent;border:0;text-decoration:underline;padding-left:0}.current-word{font-size:2rem;margin:0 0 4px;overflow-wrap:anywhere}.submit-section{border-top:1px solid var(--line);margin-top:20px;padding-top:20px}.saved-note{color:var(--accent);font-weight:650} @media(max-width:760px){main{padding:0 14px;margin-top:20px}.card{padding:19px;border-radius:16px}.teacher-grid,.student-grid{grid-template-columns:1fr}.homework-header{padding:10px 14px}.homework-header>span{display:none}.access{margin:35px auto}.student-grid>.card:first-child .word-list{display:grid;grid-template-columns:1fr 1fr;gap:7px}.word-button{height:100%;margin:0;flex-direction:column;gap:0}.toolbar{align-items:flex-start}.actions>button{flex-grow:1}.review-row .actions{align-items:stretch}.review-row .actions>button{font-size:.85rem}footer{padding:0 18px 24px}}
.recorder-host .word-recorder__actions .word-recorder__button:first-child{min-height:76px;min-width:160px;font-size:1.15rem}
.homework-header-tools{display:flex;align-items:center;gap:14px}.homework-header-tools>span{font-size:.85rem}.homework-language{width:auto;min-width:112px;min-height:44px;padding:7px 10px;font-size:.85rem;border-color:#aeb8bc;background:#fffef9}#homework-language-slot{flex:0 0 auto}@media(max-width:760px){.homework-header-tools>span{display:none}.homework-header-tools{gap:0}.homework-language{min-width:104px}}