.course-materials{--cm-navy:#12384c;--cm-teal:#147b79;font:inherit;color:var(--cm-navy);min-width:0;width:100%;box-sizing:border-box}
.course-materials *{box-sizing:border-box}
.course-materials nav{display:flex;flex-direction:column;align-items:stretch;gap:10px;padding-bottom:12px}
.course-materials .cm-current{font:inherit;font-weight:600;margin:0;overflow-wrap:anywhere}
.course-materials .cm-back{display:flex;align-items:center;gap:10px;border:1px solid #92bfbd;background:#e8f4f2;color:#145f66;padding:11px 12px;border-radius:8px;font:inherit;font-weight:600;cursor:pointer;max-width:100%;overflow-wrap:anywhere;text-align:left;line-height:1.35;min-height:44px}
.course-materials .cm-list{display:grid;gap:8px;max-height:430px;overflow:auto;padding:2px}
.course-materials .cm-folder,.course-materials .cm-file{display:block;width:100%;max-width:100%;min-width:0;padding:13px 14px;border:1px solid #c8dfdf;border-radius:10px;text-align:left;text-decoration:none;overflow-wrap:anywhere;font:inherit;line-height:1.4;cursor:pointer;color:var(--cm-navy);margin:0;box-shadow:none}
.course-materials .cm-folder{background:linear-gradient(110deg,#eaf6f1,#edf4f9);border-left:4px solid var(--cm-teal);font-weight:600}
.course-materials .cm-file{display:flex;align-items:center;justify-content:space-between;gap:12px;background:white;cursor:default}
.course-materials .cm-file>span{min-width:0}
.course-materials .cm-download{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:8px 12px;border-radius:7px;background:var(--cm-teal);color:white;text-decoration:none;font:inherit;font-size:.9em;font-weight:600}
.course-materials .cm-download:hover{background:#105e60;color:white}
.course-materials small{display:block;color:#52717e;font-size:.78em;font-weight:400;margin-top:4px}
.course-materials .cm-file:hover,.course-materials .cm-folder:hover{border-color:var(--cm-teal);background:#f1faf8}
.course-materials :focus-visible{outline:3px solid #148caa;outline-offset:2px}
.course-materials .cm-warning{font-size:.85em;padding:10px;background:#fff5dc;border-radius:8px}
@media(max-width:480px){.course-materials .cm-list{max-height:55vh}.course-materials .cm-folder,.course-materials .cm-file{padding:11px}}