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h1{color:#fff;font-size:clamp(21px,5vw,28px);font-weight:800;letter-spacing:-.01em;margin-top:18px}.chero-desc{color:#ffffffb8;font-size:14px;line-height:1.5;margin-top:8px;max-width:640px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.chero-actions{display:flex;align-items:center;gap:16px;margin-top:20px;flex-wrap:wrap}.btn-continue{display:inline-flex;align-items:center;gap:9px;background:#eaeafb;color:var(--primary-dark);font-family:var(--font-display);font-weight:700;font-size:14.5px;padding:11px 18px;border-radius:10px;transition:transform .15s ease,background .15s ease;box-shadow:0 2px 10px #0000002e}.btn-continue:hover{background:#fff;transform:translateY(-1px)}.chero-progress{display:flex;align-items:center;gap:11px;min-width:200px;flex:1}.chero-track{flex:1;height:6px;background:#ffffff2e;border-radius:999px;overflow:hidden;max-width:220px}.chero-fill{display:block;height:100%;background:linear-gradient(90deg,#4ade80,#22c55e);border-radius:999px}.chero-progress-label{color:#fffc;font-size:13px;font-weight:600;white-space:nowrap}.collection-content{padding-top:18px}.collection-listhead{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:12px}.listhead-count{font-family:var(--font-display);font-weight:700;font-size:15px;color:var(--text)}.listhead-hint{color:var(--muted);font-size:12.5px}.clesson-list{display:flex;flex-direction:column;gap:8px}.clesson-row{display:flex;align-items:center;gap:13px;background:#fff;border:1px solid #ECEDF3;border-radius:12px;padding:13px 15px;color:var(--text);box-shadow:var(--shadow-soft);transition:box-shadow .15s ease,border-color .15s ease,transform .15s ease}a.clesson-row:hover{box-shadow:var(--shadow-raise);border-color:#d6d7ea;transform:translateY(-1px)}.clesson-icon{width:34px;height:34px;flex:0 0 auto;border-radius:9px;display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:700;font-size:14px;background:#4a4c9c1a;color:var(--primary-dark)}.clesson-icon.done{background:#2e7d321f;color:var(--success)}.clesson-icon.active{background:var(--primary);color:#fff}.clesson-icon.locked{background:#eef0f4;color:var(--muted)}.clesson-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:3px}.clesson-title{font-weight:600;font-size:14.5px;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.clesson-meta{color:var(--muted);font-size:12.5px}.clesson-chev{color:var(--muted);flex:0 0 auto}.clesson-row.done .clesson-title{color:var(--muted);font-weight:500}.clesson-row.locked{box-shadow:none;background:#fafafc;border-style:dashed;cursor:default}.clesson-row.locked .clesson-title{color:var(--muted);font-weight:500}.clesson-row.active{border-color:transparent;border-left:3px solid var(--primary);padding-left:12px;box-shadow:var(--shadow-raise)}.clesson-mini{display:flex;align-items:center;gap:10px;margin-top:4px}.clesson-mini-track{width:120px;max-width:45%;height:5px;background:#4a4c9c24;border-radius:999px;overflow:hidden}.clesson-mini-track span{display:block;height:100%;background:linear-gradient(90deg,var(--primary-light),var(--primary));border-radius:999px}.clesson-mini-label{color:var(--muted);font-size:12px;font-weight:600}.clesson-retomar{flex:0 0 auto;color:var(--primary);font-weight:700;font-size:13.5px}.collection-empty{background:#fff;border:1px solid #ECEDF3;border-radius:14px;box-shadow:var(--shadow-soft);padding:34px 26px;text-align:center}.collection-empty-icon{width:58px;height:58px;border-radius:14px;background:#4a4c9c1a;color:var(--primary);display:inline-flex;align-items:center;justify-content:center;margin-bottom:14px}.collection-empty h3{font-size:17px;color:var(--text)}.collection-empty p{color:var(--muted);font-size:14px;margin-top:8px;max-width:420px;margin-left:auto;margin-right:auto}.lesson-row{display:flex;align-items:center;gap:14px;padding:15px 18px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:10px;color:var(--text);transition:box-shadow .15s ease,border-color .15s ease}.lesson-row:hover{box-shadow:var(--shadow-soft);border-color:#4a4c9c80}.lesson-num{width:40px;height:40px;flex:0 0 auto;border-radius:var(--radius);background:#4a4c9c1a;color:var(--primary-dark);display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:700;font-size:15px}.lesson-row.watched .lesson-num{background:#2e7d321f;color:var(--success)}.lesson-info{flex:1;min-width:0}.lesson-info .lesson-title{font-weight:600;font-size:15px}.lesson-info .lesson-meta{color:var(--muted);font-size:12.5px;margin-top:2px;display:flex;gap:10px;align-items:center}.watched-tag{color:var(--success);font-weight:600;display:inline-flex;align-items:center;gap:4px}.lesson-chevron{color:var(--muted);flex:0 0 auto}.player-frame{position:relative;width:100%;aspect-ratio:16 / 9;background:#000;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-raise)}.player-frame iframe{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;border:none}.player-loading{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;color:#fffc;gap:10px;font-size:14px}.lesson-page-head{margin:4px 0 14px}.lesson-page-head .eyebrow-link{color:var(--primary);font-size:13.5px;font-weight:600;display:inline-flex;align-items:center;gap:6px}.lesson-page-head h1{color:var(--text);font-size:clamp(19px,4.4vw,26px);margin-top:10px}.lesson-page-head .lesson-count{color:var(--muted);font-size:13px;margin-top:4px}.lesson-nav{display:flex;gap:10px;margin-top:18px}.lesson-nav .btn{flex:1}.lesson-desc{margin-top:18px}.lesson-desc h3{font-size:15px;margin-bottom:8px}.lesson-desc p{color:var(--muted);font-size:14.5px;margin-bottom:8px}.lesson-desc p:last-child{margin-bottom:0}.noaccess-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:linear-gradient(160deg,var(--primary-dark),var(--primary))}.noaccess-card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow-raise);max-width:430px;width:100%;padding:34px 30px;text-align:center}.noaccess-card .icon-circle{width:58px;height:58px;border-radius:50%;background:#c628281a;color:var(--danger);display:flex;align-items:center;justify-content:center;margin:0 auto 16px}.noaccess-card h1{font-size:19px;margin-bottom:8px}.noaccess-card p{color:var(--muted);font-size:14.5px}@media(max-width:900px){.admin-shell{flex-direction:column}.admin-sidebar{display:none}.admin-topbar{display:flex;align-items:center;justify-content:space-between;gap:10px;background:var(--primary-dark);color:#fff;padding:12px 16px;position:sticky;top:0;z-index:50}.admin-topbar .brand-name{font-family:var(--font-display);font-weight:700;font-size:15px;display:flex;align-items:center;gap:8px}.admin-topbar button{background:none;border:none;color:#fff;cursor:pointer;display:flex;padding:6px}.admin-mobile-nav{background:var(--primary-dark);padding:6px 10px 14px;display:flex;flex-direction:column;gap:2px;position:sticky;top:52px;z-index:49;box-shadow:var(--shadow-raise)}.admin-mobile-nav a{color:#ffffffd1;padding:10px 12px;border-radius:var(--radius);font-size:14.5px;display:flex;gap:10px;align-items:center}.admin-mobile-nav a.active{background:var(--primary);color:#fff}.admin-main{padding:20px 16px 56px}.modal-foot .btn{flex:1}.kpi-grid,.dash-row{grid-template-columns:1fr}.page-head-actions{width:100%}.page-head-actions .btn{flex:1}}@media(min-width:901px){.admin-mobile-nav{display:none}}@media(max-width:480px){.admin-page-head h1{font-size:19px}.upload-percent{font-size:28px}.stat-grid{grid-template-columns:repeat(2,1fr)}}@media(min-width:640px){.collection-grid{grid-template-columns:repeat(2,1fr);gap:16px}}