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img{object-fit:cover;width:100%;height:100%}.lms-admin-hero__body{flex-direction:column;gap:10px;display:flex}.lms-admin-hero__eyebrow{color:var(--color-textDisabled);text-transform:uppercase;letter-spacing:.05em;font-size:11px;font-weight:600}.lms-admin-hero__title{color:var(--color-ink);font-size:26px;font-weight:700;line-height:1.2}.lms-admin-hero__desc{color:var(--color-textSecondary);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:13px;line-height:1.6;display:-webkit-box;overflow:hidden}.lms-admin-hero__bar{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.lms-admin-hero__meta-row{border-top:1px solid var(--color-hairline-soft);grid-template-columns:repeat(4,1fr);gap:8px;padding-top:10px;display:grid}.lms-admin-hero__meta-item{text-align:center}.lms-admin-hero__meta-val{color:var(--color-ink);font-size:18px;font-weight:700}.lms-admin-hero__meta-label{color:var(--color-textDisabled);margin-top:1px;font-size:10px}@media 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.2s;display:flex}.lms-admin-chapter__head:hover{background:var(--color-surface)}.lms-admin-chapter--open .lms-admin-chapter__head{background:var(--color-surface-soft)}.lms-admin-chapter__icon{border-radius:var(--radius-xs);background:var(--color-primary-light);width:32px;height:32px;color:var(--color-primary);flex-shrink:0;place-items:center;font-size:14px;display:grid}.lms-admin-chapter__info{flex:1;min-width:0}.lms-admin-chapter__name{color:var(--color-ink);font-size:15px;font-weight:600}.lms-admin-chapter__meta{align-items:center;gap:6px;margin-top:3px;display:flex}.lms-admin-chapter__caret{color:var(--color-textDisabled);flex-shrink:0;font-size:10px;transition:transform .2s}.lms-admin-chapter--open .lms-admin-chapter__caret{transform:rotate(180deg)}.lms-admin-chapter__body{padding:0 20px 16px 64px;display:none}.lms-admin-chapter--open .lms-admin-chapter__body{display:block}.lms-admin-chapter__toolbar{border-top:1px solid var(--color-hairline-soft);justify-content:space-between;align-items:center;gap:8px;margin-bottom:10px;padding-top:10px;display:flex}.lms-admin-chapter__toolbar-stats{color:var(--color-textSecondary);gap:14px;font-size:12px;display:flex}.lms-admin-lecture{background:var(--color-surface);border-radius:var(--radius-sm);border:1px solid #0000;align-items:center;gap:10px;margin-bottom:4px;padding:10px 14px;transition:all .2s;display:flex}.lms-admin-lecture:hover{border-color:var(--color-border);background:var(--color-canvas)}.lms-admin-lecture__handle{color:var(--color-textDisabled);cursor:grab;flex-shrink:0;place-items:center;font-size:12px;display:grid}.lms-admin-lecture__order{color:var(--color-textDisabled);text-align:center;flex-shrink:0;width:24px;font-size:11px;font-weight:600}.lms-admin-lecture__body{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.lms-admin-lecture__name{color:var(--color-ink);font-size:14px;font-weight:600}.lms-admin-lecture__tags{align-items:center;gap:6px;font-size:12px;display:flex}.lms-admin-lecture__actions{flex-shrink:0;align-items:center;gap:2px;display:flex}.lms-admin-lecture__btn{width:32px;height:32px;color:var(--color-textSecondary);border-radius:var(--radius-xs);cursor:pointer;background:0 0;border:none;place-items:center;font-size:14px;transition:all .2s;display:grid}.lms-admin-lecture__btn:hover{background:var(--color-surface-soft);color:var(--color-ink)}.lms-admin-lecture__btn--danger:hover{color:var(--color-error);background:#dc26260f}.lms-admin-toggle{cursor:pointer;background:var(--color-border);border:none;border-radius:12px;flex-shrink:0;width:44px;height:24px;transition:background .2s;position:relative}.lms-admin-toggle--on{background:var(--color-primary)}.lms-admin-toggle:after{content:"";background:#fff;border-radius:50%;width:20px;height:20px;transition:transform .2s;position:absolute;top:2px;left:2px;box-shadow:0 1px 2px #0000001f}.lms-admin-toggle--on:after{transform:translate(20px)}.lms-admin-enroll{background:var(--color-surface);border-radius:var(--radius-sm);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;display:flex}.lms-admin-enroll+.lms-admin-enroll{margin-top:6px}.lms-admin-enroll__user{align-items:center;gap:10px;display:flex}.lms-admin-enroll__avatar{width:36px;height:36px;color:var(--color-primary);background:linear-gradient(135deg,#dbeafe,#bfdbfe);border-radius:50%;flex-shrink:0;place-items:center;font-size:15px;display:grid;overflow:hidden}.lms-admin-enroll__avatar img{object-fit:cover;width:100%;height:100%}.lms-admin-enroll__name{color:var(--color-ink);font-size:13px;font-weight:600}.lms-admin-enroll__email{color:var(--color-textDisabled);font-size:11px}.lms-admin-enroll__meta{color:var(--color-textDisabled);margin-top:3px;font-size:11px}.lms-admin-modal .ant-modal-content{border-radius:var(--radius-xl);overflow:hidden;box-shadow:0 24px 64px #00000024,0 8px 24px #00000014}.lms-admin-modal .ant-modal-content:before{content:"";background:linear-gradient(90deg, var(--color-primary) 0%, #60a5fa 100%);height:4px;display:block}.lms-admin-modal .ant-modal-header{border-bottom:1px solid var(--color-hairline-soft);margin-bottom:0;padding:20px 28px}.lms-admin-modal .ant-modal-body{padding:28px}.lms-admin-modal .ant-modal-footer{border-top:1px solid var(--color-hairline-soft);background:var(--color-surface);margin-top:0;padding:18px 28px}.lms-admin-modal .ant-modal-title{letter-spacing:-.2px;font-size:17px;font-weight:800}.lms-admin-modal .ant-modal-footer .ant-btn{border-radius:var(--radius-md);height:42px;padding:0 22px;font-weight:600}.lms-admin-modal .ant-modal-footer .ant-btn-primary{box-shadow:0 2px 6px #2563eb40}.lms-admin-modal .ant-modal-close{border-radius:var(--radius-md);width:36px;height:36px;transition:all .2s;top:18px;right:18px}.lms-admin-modal .ant-modal-close:hover{background:var(--color-surface)}.lms-admin-modal .ant-modal-close .ant-modal-close-x{width:36px;height:36px;color:var(--color-textDisabled);font-size:16px;line-height:36px}.lms-admin-modal .ant-input:focus,.lms-admin-modal .ant-input-focused,.lms-admin-modal .ant-input-affix-wrapper:focus,.lms-admin-modal .ant-input-affix-wrapper-focused{box-shadow:0 0 0 3px var(--color-primary-light)}.lms-admin-modal .ant-form-item{margin-bottom:20px}.lms-admin-modal .ant-form-item:last-child{margin-bottom:0}.lms-admin-modal .ant-form-item-label>label{color:var(--color-ink);height:auto;padding-bottom:6px;font-size:14px;font-weight:600}.lms-admin-modal .ant-select-selector{border-radius:var(--radius-md)!important}.lms-admin-modal .ant-segmented{background:var(--color-surface-soft);border-radius:var(--radius-md);padding:3px}.lms-admin-modal .ant-segmented-item{border-radius:10px}.lms-admin-modal .ant-segmented-item-selected{box-shadow:0 1px 3px #00000014}.lms-admin-modal .ant-upload-dragger{border-radius:var(--radius-md)!important;border:2px dashed var(--color-border)!important;background:var(--color-surface)!important}.lms-admin-modal .ant-upload-dragger:hover{border-color:var(--color-primary)!important}.lms-admin-upload-zone{border:2px dashed var(--color-border);border-radius:var(--radius-md);text-align:center;cursor:pointer;padding:28px;transition:all .2s}.lms-admin-upload-zone:hover{border-color:var(--color-primary);background:#2563eb05}.lms-admin-courses-shell{padding:20px 16px}.lms-admin-courses-toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px;display:flex}.lms-admin-page-head__subtitle{margin:var(--spacing-2) 0 0;color:var(--color-text-secondary);font-size:14px}.lms-admin-table-wrap{border:1px solid var(--color-hairline-soft);border-radius:var(--radius-lg);background:var(--color-canvas);overflow-x:auto}.lms-admin-table{border-collapse:collapse;width:100%;font-size:14px}.lms-admin-table thead th{text-align:left;background:var(--color-surface-muted);color:var(--color-textSecondary);border-bottom:1px solid var(--color-hairline-soft);white-space:nowrap;padding:12px 16px;font-size:13px;font-weight:700}.lms-admin-table tbody td{border-bottom:1px solid var(--color-hairline-soft);color:var(--color-ink);vertical-align:middle;padding:12px 16px}.lms-admin-table tbody tr:last-child td{border-bottom:none}.lms-admin-table tbody tr:hover{background:var(--color-surface)}.lms-admin-table__link{color:var(--color-primary);font-weight:600;text-decoration:none}.lms-admin-table__link:hover{text-decoration:underline}.lms-admin-search{width:360px;position:relative}.lms-admin-search__input{border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-canvas) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3C/svg%3E") no-repeat 14px center;width:100%;height:42px;color:var(--color-ink);outline:none;padding:0 16px 0 42px;font-family:inherit;font-size:14px;transition:border-color .2s}.lms-admin-search__input:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-light)}.lms-admin-search__input::placeholder{color:var(--color-textDisabled)}.lms-admin-pagination{border-top:1px solid var(--color-hairline-soft);color:var(--color-textSecondary);justify-content:flex-end;align-items:center;gap:8px;padding:12px 16px;font-size:13px;display:flex}.lms-admin-pagination__btn{border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-canvas);min-width:36px;height:36px;color:var(--color-ink);cursor:pointer;place-items:center;padding:0 10px;font-family:inherit;font-size:13px;font-weight:500;transition:all .2s;display:grid}.lms-admin-pagination__btn:hover{border-color:var(--color-primary);color:var(--color-primary)}.lms-admin-pagination__btn--active{border-color:var(--color-primary);color:var(--color-primary);background:0 0}.lms-admin-pagination__btn:disabled{opacity:.4;cursor:not-allowed}.lms-admin-table-actions{gap:4px;display:flex}.lms-admin-table-action{border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-canvas);width:30px;height:30px;color:var(--color-textSecondary);cursor:pointer;place-items:center;font-size:13px;text-decoration:none;transition:all .2s;display:grid}.lms-admin-table-action:hover{border-color:var(--color-primary);color:var(--color-primary)}.lms-admin-table-action--danger:hover{color:var(--color-error);background:#dc26260a;border-color:#dc26264d}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}