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time,.muted{font-size:13px;line-height:1.6;color:#66706a}.lesson-row.selected{border-color:var(--accent);background:#dce9df}.lesson-card{padding:24px;border:1px solid #38453e33;border-radius:20px;background:#fffdf5}.material-description{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.7}.attachment-section{margin:24px 0}.attachment-section h4{margin:0 0 12px}.attachment-list{display:grid;gap:8px;padding:0;list-style:none}.attachment-list li{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;background:#edf1e9}.file-download,.file-remove{border:0;background:transparent;font:inherit;color:var(--accent);cursor:pointer;min-height:32px}.file-download{text-align:left;text-decoration:underline;overflow-wrap:anywhere;min-width:0}.file-remove{margin-left:auto;color:#a33d2d;font-size:12px;flex-shrink:0}.upload-label{font-size:13px}.upload-label input[type=file]{width:100%;min-width:0;padding:8px;border:1px dashed #2d604e55;border-radius:16px;background:#edf1e9;color:#66706a;font:400 13px Manrope,Arial,sans-serif;cursor:pointer}.upload-label input[type=file]::file-selector-button{min-height:44px;margin-right:12px;padding:12px 20px;border:0;border-radius:99px;background:var(--accent);color:#fff;font:700 13px Manrope,Arial,sans-serif;cursor:pointer;transition:background .2s,box-shadow .2s}.upload-label input[type=file]:not(:disabled):hover::file-selector-button{background:#234b3d;box-shadow:0 4px 12px #2d604e26}.upload-label input[type=file]:disabled{opacity:.55;cursor:wait}.upload-label input[type=file]:disabled::file-selector-button{cursor:wait}@media(prefers-reduced-motion:reduce){.upload-label input[type=file]::file-selector-button{transition:none}}.homework-heading{padding-top:24px;border-top:1px solid #38453e33}.homework-card{margin-top:20px;padding:20px;background:#fff9ea;border-radius:14px}.solution-section{padding-top:20px;border-top:1px solid #38453e33}.grade-badge{padding:6px 12px;border-radius:99px;background:#f5d7ae;font-size:12px;font-weight:700}.grade-badge.passed{color:#23643a;background:#dce9df}.grade-badge.failed{color:#8f2e23;background:#f8ded6}.teacher-comment{border-left:3px solid var(--accent);padding-left:16px;margin:20px 0}.teacher-comment h4{margin-bottom:0}textarea{width:100%;padding:15px 16px;border:1px solid #38453e66;border-radius:10px;background:#fffdf5;color:inherit;font:inherit;resize:vertical}.material-dialog{width:min(600px,calc(100% - 32px));max-height:90vh;padding:28px;border:1px solid #38453e33;border-radius:20px;background:#fff9ea;color:inherit}.material-dialog::backdrop{background:#23382e80}.material-dialog form,.material-dialog h2{margin:0}#editor-fields{display:grid;gap:20px}.lesson-schedule-fields{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px}.lesson-schedule-fields label,.lesson-schedule-fields input{min-width:0}button:disabled{cursor:wait;opacity:.55}:focus-visible{outline:3px solid #d9785f;outline-offset:3px}@media(max-width:760px){.course-layout{grid-template-columns:1fr}.lesson-card{padding:18px}.homework-card{padding:16px}.material-dialog{padding:20px}}@media(max-width:560px){.lesson-schedule-fields{grid-template-columns:1fr}}