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var(--primary);outline-offset:2px}.uf-role-title{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--gray-700)}.uf-role-title input{width:16px;height:16px;margin:0}.uf-role-hint{padding-left:24px;font-size:12.5px;color:var(--gray-500)}.uf-role--aluno.is-active{border-color:#059669;background:#f0fdf4}.uf-role--aluno.is-active .uf-role-title{color:#047857}.uf-role--aluno input{accent-color:#059669}.uf-role--professor.is-active{border-color:#1d4ed8;background:#eff6ff}.uf-role--professor.is-active .uf-role-title{color:#1d4ed8}.uf-role--professor input{accent-color:#1d4ed8}.uf-role--adm.is-active{border-color:#7c3aed;background:#faf5ff}.uf-role--adm.is-active .uf-role-title{color:#7c3aed}.uf-role--adm input{accent-color:#7c3aed}.uf-note{font-size:12.5px;color:var(--gray-500)}.uf-actions{display:flex;justify-content:flex-end;gap:10px}.uf-btn{height:44px;padding:0 18px;border-radius:10px;border:1px solid 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var(--gray-300);background:var(--gray-50)}.dmc-item:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.dmc-panel{background:#fff;border:1px solid var(--gray-200);border-radius:14px;display:flex;flex-direction:column;min-height:320px;max-height:calc(100vh - 220px)}.dmc-panel-head{padding:14px 20px;border-bottom:1px solid var(--gray-200);display:flex;align-items:center;gap:10px}.dmc-panel-head strong{flex:1;font-size:14.5px;color:var(--gray-900)}.dmc-readonly{display:flex;align-items:center;gap:6px;font-size:12.5px;color:var(--gray-500)}.dmc-messages{flex:1;overflow-y:auto;padding:12px 20px 20px;display:flex;flex-direction:column;gap:2px}.dmc-no-msg{margin:16px 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var(--gray-200)}.dmc-media--video{max-width:320px}.dmc-file{padding:8px 12px;border-radius:10px;background:var(--gray-50);border:1px solid var(--gray-200);font-size:13px;color:var(--gray-700);text-decoration:none}.dmc-file:hover{color:var(--primary)}.dmc-state,.dmc-empty{display:flex;align-items:center;justify-content:center;gap:10px;padding:48px 20px;font-size:14px;color:var(--gray-500)}.dmc-empty{flex-direction:column;gap:6px;background:#fff;border:1px solid var(--gray-200);border-radius:14px;text-align:center}.dmc-empty strong{color:var(--gray-700)}.dmc-error{padding:12px 16px;border-radius:10px;background:var(--error-bg);border:1px solid var(--error-border);color:#dc2626;font-size:14px}.dmc-spinner{width:20px;height:20px;border:3px solid var(--gray-200);border-top-color:var(--primary);border-radius:50%;animation:dmc-spin .7s linear infinite}@keyframes dmc-spin{to{transform:rotate(360deg)}}@media(max-width:900px){.dmc{grid-template-columns:minmax(0,1fr)}.dmc-list{flex-direction:row;overflow-x:auto;padding-bottom:4px}.dmc-item{min-width:220px}.dmc-panel{max-height:none}}.dmc-video-row{display:flex;align-items:center;flex-wrap:wrap;gap:12px}.dmc-download{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:10px;background:var(--primary-light, #eff6ff);border:1px solid var(--primary-border, #bfdbfe);color:var(--primary, #2563eb);font-size:13px;font-weight:600;text-decoration:none;white-space:nowrap}.dmc-download:hover{background:#dbeafe}