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var(--space-xl)}.programs-list{display:flex;flex-direction:column;gap:1rem}.program-row{display:flex;align-items:center;justify-content:space-between;padding:var(--space-xl);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);transition:all var(--transition-normal)}.program-row:hover{border-color:var(--color-border-hover);background:var(--color-surface-hover)}.program-row-info{flex:1}.program-row-info h3{font-size:1rem;font-weight:600;color:#fff;margin:0 0 .5rem}.program-progress-bar{height:6px;background:#ffffff1a;border-radius:3px;overflow:hidden}.program-progress-fill{height:100%;background:var(--color-primary-gradient);border-radius:3px;transition:width var(--transition-smooth)}.program-percent{font-size:.9rem;font-weight:600;color:#fffc;margin-left:1rem}.curriculum-placeholder{padding:var(--space-3xl);text-align:center;background:#ffffff05;border:1px dashed 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p{font-size:.95rem;color:#fff9;margin:0;text-align:center}.student-my-courses-page{max-width:1100px}.student-my-courses-panel .instructor-course-card-meta{flex-wrap:wrap;gap:var(--space-sm)}.student-my-courses-lang-pill{display:inline-flex;align-items:center;padding:.15rem .45rem;font-size:.65rem;font-weight:700;letter-spacing:.06em;color:var(--color-text-muted);background:#ffffff14;border:1px solid var(--color-border);border-radius:var(--radius-sm)}.student-my-courses-empty{text-align:center;padding:var(--space-md) 0;color:var(--color-text-muted)}.student-my-courses-empty p{margin:0 0 var(--space-sm)}.student-my-courses-empty-hint{font-size:var(--font-size-sm);margin:0 0 var(--space-xl)!important}.student-my-courses-browse-btn{display:inline-flex;align-items:center;justify-content:center;padding:var(--space-md) 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1rem}.content-uploader-list ul{list-style:none;margin:0;padding:0}.content-uploader-file-item{display:flex;flex-direction:column;gap:.75rem;padding:1rem;background:#ffffff08;border:1px solid rgba(255,255,255,.06);border-radius:10px;margin-bottom:.75rem;transition:all .2s ease}.content-uploader-file-item:hover{background:#ffffff0d}.content-uploader-file-info{display:flex;flex-direction:column;gap:.25rem}.content-uploader-file-name{font-size:.95rem;font-weight:500;color:#fff}.content-uploader-file-meta{font-size:.8rem;color:#ffffff80}.content-uploader-audio-block{width:100%}.content-uploader-audio{width:100%;height:40px;margin-top:.25rem}.content-uploader-transcript-placeholder{margin-top:.75rem;padding:1rem;background:#ffffff08;border:1px dashed rgba(255,255,255,.1);border-radius:8px}.content-uploader-transcript-placeholder span{font-size:.8rem;font-weight:600;color:#fff9;text-transform:uppercase;letter-spacing:.05em}.content-uploader-transcript-placeholder p{font-size:.875rem;color:#fff6;margin:.5rem 0 0}.content-uploader-preview-link{font-size:.875rem;color:#818cf8;text-decoration:none;align-self:flex-start}.content-uploader-preview-link:hover{color:#a5b4fc}.lesson-materials-editor{margin-top:var(--space-md);padding-top:var(--space-md);border-top:1px solid var(--color-border)}.lesson-materials-editor .content-uploader--compact{margin-bottom:var(--space-md)}.lesson-materials-editor-status,.lesson-materials-editor-empty{font-size:var(--font-size-sm);color:var(--color-text-muted);margin:var(--space-sm) 0 0}.lesson-materials-editor-error{color:var(--color-error)}.lesson-materials-editor-grid{margin-top:var(--space-md)}.portal-page.create-course-page{max-width:800px}.create-course-card{background:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-2xl);box-shadow:var(--shadow-lg)}.create-course-form{display:flex;flex-direction:column;gap:var(--space-xl)}.create-course-group 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var(--space-md);line-height:1.45}.create-course-cover-actions{display:flex;align-items:center;gap:var(--space-md);margin-top:var(--space-md)}.create-course-cover-file-input{position:absolute;width:0;height:0;opacity:0;pointer-events:none}.create-course-cover-upload-btn{padding:var(--space-sm) var(--space-lg);font-size:var(--font-size-sm);font-weight:500;color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);cursor:pointer}.create-course-cover-upload-btn:disabled{opacity:.6;cursor:not-allowed}.create-course-cover-preview{margin-top:var(--space-lg);height:140px;border-radius:var(--radius-md);background-size:cover;background-position:center;border:1px solid var(--color-border)}.create-course-lessons-section{margin-top:var(--space-xl);padding-top:var(--space-xl);border-top:1px solid var(--color-border)}.create-course-lessons-head{margin-bottom:var(--space-xl);padding-bottom:var(--space-lg);border-bottom:1px solid var(--color-border)}.create-course-lessons-heading{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);color:var(--color-text);margin:0 0 var(--space-sm)}.create-course-lessons-hint{font-size:var(--font-size-sm);color:var(--color-text-secondary);line-height:1.5;margin:0}.create-course-lesson-card{padding:var(--space-xl);margin-bottom:var(--space-lg);background:#ffffff08;border:1px solid var(--color-border);border-radius:var(--radius-lg);border-left:4px solid var(--color-primary, #6366f1);box-shadow:var(--shadow-sm)}.create-course-lesson-card-top{display:flex;gap:var(--space-lg);align-items:flex-start}.create-course-lesson-index{flex-shrink:0;width:2.25rem;height:2.25rem;display:flex;align-items:center;justify-content:center;font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);color:var(--color-text);background:var(--color-primary-surface);border:1px solid var(--color-border);border-radius:var(--radius-md)}.create-course-lesson-card-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:var(--space-sm)}.create-course-lesson-field-label{font-size:var(--font-size-xs);font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--color-text-secondary);margin:0}.create-course-lesson-title-row{display:flex;align-items:flex-start;gap:var(--space-md)}.create-course-lesson-title-input{flex:1;min-width:0;padding:var(--space-md) var(--space-lg);font-size:var(--font-size-base);color:var(--color-text);background:#ffffff0d;border:1px solid var(--color-border);border-radius:var(--radius-md)}.create-course-lesson-title-input:focus{outline:none;border-color:var(--color-primary)}.create-course-lesson-description-input{width:100%;padding:var(--space-md) var(--space-lg);font-size:var(--font-size-base);line-height:1.5;color:var(--color-text);background:#ffffff0a;border:1px solid var(--color-border);border-radius:var(--radius-md);resize:vertical;min-height:4.5rem;font-family:inherit}.create-course-lesson-description-input:focus{outline:none;border-color:var(--color-primary)}.create-course-lesson-remove-btn{flex-shrink:0;padding:var(--space-sm) var(--space-md);font-size:var(--font-size-sm);font-weight:500;color:var(--color-error);background:transparent;border:1px solid rgba(248,113,113,.35);border-radius:var(--radius-sm);cursor:pointer;white-space:nowrap}.create-course-lesson-remove-btn:hover{background:var(--color-error-surface)}.create-course-lesson-files{margin-top:var(--space-xl);padding-top:var(--space-lg);border-top:1px solid var(--color-border)}.create-course-lesson-files-title{font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);letter-spacing:.03em;text-transform:uppercase;color:var(--color-text-secondary);margin:0 0 var(--space-md)}.create-course-add-lesson-btn{width:100%;padding:var(--space-md);font-size:var(--font-size-base);font-weight:500;color:var(--color-link);background:transparent;border:1px dashed var(--color-border);border-radius:var(--radius-md);cursor:pointer;margin-top:var(--space-sm)}.create-course-add-lesson-btn:hover{border-color:var(--color-primary);background:var(--color-primary-surface)}.create-course-upload-section{margin-top:var(--space-xl);padding-top:var(--space-xl);border-top:1px solid var(--color-border)}.create-course-materials-label{font-size:var(--font-size-sm);font-weight:500;color:var(--color-text);margin:var(--space-lg) 0 var(--space-sm)}.create-course-materials-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:var(--space-md);margin-top:var(--space-md)}.create-course-material-with-remove{position:relative}.create-course-material-remove{position:absolute;top:var(--space-md);right:var(--space-md);width:28px;height:28px;display:flex;align-items:center;justify-content:center;font-size:.85rem;color:var(--color-error);background:#00000080;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);z-index:1}.create-course-material-remove:hover{background:var(--color-error-surface)}.create-course-btn{width:100%;padding:var(--space-lg) var(--space-2xl);font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);color:var(--color-text);background:var(--color-primary-gradient);border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-normal);margin-top:var(--space-md)}.create-course-btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-primary)}.create-course-btn:disabled{opacity:.7;cursor:not-allowed;transform:none}@media(max-width:640px){.create-course-page{padding:var(--space-xl) 0}.create-course-card{padding:var(--space-xl)}.create-course-row,.create-course-lesson-title-row{grid-template-columns:1fr}.create-course-lesson-card-top,.create-course-lesson-title-row{flex-direction:column}.create-course-cover-actions,.create-course-lesson-remove-btn{width:100%}}.instructor-quizzes-form label{display:flex;flex-direction:column;gap:var(--space-xs);font-size:var(--font-size-sm);color:var(--color-text-secondary)}.instructor-quizzes-form input,.instructor-quizzes-form select{min-height:44px;padding:0 var(--space-md);border-radius:var(--radius-md);border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text);font-family:var(--font-family)}.instructor-quizzes-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-lg);margin-bottom:var(--space-xl)}.instructor-quizzes-row--single{grid-template-columns:1fr}@media(max-width:640px){.instructor-quizzes-row{grid-template-columns:1fr}}.instructor-quizzes-questions{display:flex;flex-direction:column;gap:var(--space-xl)}.instructor-quizzes-q{padding:var(--space-lg);border:1px solid var(--color-border);border-radius:var(--radius-md);background:#00000026}.instructor-quizzes-q-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-md);font-size:var(--font-size-sm);color:var(--color-text-muted)}.instructor-quizzes-q-head select{min-height:36px;font-size:var(--font-size-sm)}.instructor-quizzes-prompt{width:100%;margin-bottom:var(--space-md)}.instructor-quizzes-mcq{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-md)}.instructor-quizzes-tf select{max-width:12rem}.instructor-quizzes-actions{display:flex;flex-wrap:wrap;gap:var(--space-md);margin-top:var(--space-xl)}.instructor-quizzes-primary{padding:var(--space-md) var(--space-xl);border:none;border-radius:var(--radius-md);background:var(--color-primary-gradient);color:#fff;font-weight:var(--font-weight-semibold);cursor:pointer}.instructor-quizzes-primary:disabled{opacity:.7;cursor:not-allowed}.instructor-quizzes-secondary{padding:var(--space-md) var(--space-xl);border-radius:var(--radius-md);border:1px solid var(--color-border);background:transparent;color:var(--color-text);cursor:pointer}.instructor-quizzes-muted{color:var(--color-text-muted);font-size:var(--font-size-sm)}.instructor-quizzes-list{list-style:none;margin:0;padding:0}.instructor-quizzes-li{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:var(--space-md);padding:var(--space-md) 0;border-bottom:1px solid var(--color-border)}.instructor-quizzes-li:last-child{border-bottom:none}.instructor-quizzes-li-actions{display:flex;gap:var(--space-md);align-items:center}.instructor-quizzes-li-actions button{font-size:var(--font-size-sm);cursor:pointer}.instructor-quizzes-linkish{border:none;background:none;color:var(--color-link);text-decoration:underline;padding:0}.instructor-quizzes-li-actions button[type=button]:last-child{border:1px solid rgba(248,113,113,.35);color:var(--color-error);border-radius:var(--radius-sm);padding:.35rem .65rem;background:transparent}.lesson-quiz-block{margin-top:var(--space-lg);padding-top:var(--space-lg);border-top:1px solid var(--color-border)}.lesson-quiz-intro{margin:0 0 var(--space-lg);color:var(--color-text-muted);font-size:var(--font-size-sm);line-height:1.5}.lesson-quiz-form-panel{padding:var(--space-lg);margin-bottom:var(--space-lg);border:1px solid var(--color-border);border-radius:var(--radius-md);background:#ffffff08}.lesson-quiz-subheading{margin:0 0 var(--space-md);font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);color:var(--color-text);text-transform:uppercase;letter-spacing:.04em}.lesson-quiz-list-wrap{margin-top:var(--space-xl);padding:var(--space-lg);border:1px solid var(--color-border);border-radius:var(--radius-md);background:#0000001f}.edit-course-page{max-width:min(1400px,100%);margin:0 auto;padding-right:var(--space-xl);padding-left:var(--space-xl);box-sizing:border-box}.edit-course-header{margin-bottom:var(--space-4xl)}.edit-course-back{display:inline-block;font-size:var(--font-size-base);color:var(--color-link);text-decoration:none;margin-bottom:var(--space-lg);transition:color var(--transition-normal)}.edit-course-back:hover{color:var(--color-link-hover)}.edit-course-page h1{display:flex;align-items:center;gap:var(--space-md);font-size:var(--font-size-4xl);font-weight:var(--font-weight-bold);color:var(--color-text);margin:0 0 var(--space-sm)}.edit-course-badge{display:inline-flex;align-items:center;justify-content:center;min-width:36px;padding:.2rem .5rem;font-size:.75rem;font-weight:600;letter-spacing:.05em;color:var(--color-text-muted);background:#ffffff0f;border:1px solid var(--color-border);border-radius:var(--radius-sm)}.edit-course-subtitle{font-size:var(--font-size-lg);color:var(--color-text-secondary);margin:0}.edit-course-layout{display:grid;grid-template-columns:1fr 420px;gap:var(--space-4xl)}.edit-course-layout--wide{grid-template-columns:1fr;width:100%;max-width:none}.edit-course-form-section--split{display:flex;flex-direction:column;gap:var(--space-3xl);width:100%}@media(min-width:1024px){.edit-course-form-section--split{display:grid;grid-template-columns:minmax(280px,400px) minmax(0,1fr);grid-template-rows:auto;align-items:start;gap:var(--space-4xl)}.edit-course-column--meta{position:sticky;top:var(--space-xl);align-self:start;max-width:100%}.edit-course-column--lessons{align-self:start}}.edit-course-column--meta,.edit-course-column--lessons{min-width:0}.edit-course-lessons-intro{font-size:var(--font-size-sm);color:var(--color-text-secondary);line-height:1.5;margin:0}.edit-course-card--lessons .edit-course-lessons-card-head{margin-bottom:var(--space-xl);padding-bottom:var(--space-lg);border-bottom:1px solid var(--color-border)}.edit-course-card--lessons .edit-course-lessons-card-head h2{margin:0 0 var(--space-sm);padding-bottom:0;border-bottom:none}.edit-course-lesson-card{padding:var(--space-xl);margin-bottom:var(--space-lg);background:#ffffff08;border:1px solid var(--color-border);border-radius:var(--radius-lg);border-left:4px solid var(--color-primary, #6366f1);box-shadow:var(--shadow-sm)}.edit-course-lesson-card:last-of-type{margin-bottom:var(--space-md)}.edit-course-lesson-card--collapsed{padding:var(--space-md) var(--space-lg);border-left-width:3px}.edit-course-lesson-collapsed-inner{display:flex;align-items:center;gap:var(--space-md);flex-wrap:wrap}.edit-course-lesson-card--collapsed .edit-course-lesson-index{width:2rem;height:2rem;font-size:var(--font-size-xs)}.edit-course-lesson-collapsed-title{flex:1;min-width:12rem;font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);color:var(--color-text);line-height:1.35}.edit-course-lesson-collapsed-actions{display:flex;align-items:center;gap:var(--space-sm);flex-shrink:0}.edit-course-lesson-edit-btn{padding:var(--space-sm) var(--space-lg);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-text);background:var(--color-primary-surface);border:1px solid var(--color-primary-border);border-radius:var(--radius-md);cursor:pointer;transition:background var(--transition-fast),border-color var(--transition-fast)}.edit-course-lesson-edit-btn:hover{background:#6366f138}.edit-course-save-lesson-btn{width:100%;margin-top:var(--space-xl);padding:var(--space-md) var(--space-xl);font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);color:var(--color-text);background:var(--color-primary-gradient);border:none;border-radius:var(--radius-md);cursor:pointer;transition:transform var(--transition-fast),box-shadow var(--transition-fast)}.edit-course-save-lesson-btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-primary)}.edit-course-lesson-card-top{display:flex;gap:var(--space-lg);align-items:flex-start}.edit-course-lesson-index{flex-shrink:0;width:2.25rem;height:2.25rem;display:flex;align-items:center;justify-content:center;font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);color:var(--color-text);background:var(--color-primary-surface);border:1px solid var(--color-border);border-radius:var(--radius-md)}.edit-course-lesson-card-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:var(--space-sm)}.edit-course-lesson-label{font-size:var(--font-size-xs);font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--color-text-secondary);margin:0}.edit-course-lesson-title-row{display:flex;align-items:flex-start;gap:var(--space-md)}.edit-course-lesson-description{width:100%;padding:var(--space-md) var(--space-lg);font-size:var(--font-size-base);line-height:1.5;color:var(--color-text);background:#ffffff0a;border:1px solid var(--color-border);border-radius:var(--radius-md);resize:vertical;min-height:4.5rem;font-family:inherit}.edit-course-lesson-description:focus{outline:none;border-color:var(--color-border-focus);box-shadow:0 0 0 3px var(--color-primary-surface)}.edit-course-lesson-files{margin-top:var(--space-xl);padding-top:var(--space-lg);border-top:1px solid var(--color-border)}.edit-course-lesson-files-title{font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);letter-spacing:.03em;text-transform:uppercase;color:var(--color-text-secondary);margin:0 0 var(--space-md)}.edit-course-content-section{display:flex;flex-direction:column;gap:var(--space-xl)}.edit-course-content-section .edit-course-card{background:var(--color-bg-elevated);border:1px solid var(--color-border);box-shadow:var(--shadow-md)}.edit-course-card{padding:var(--space-3xl);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.edit-course-card--readonly{background:#ffffff06}.edit-course-readonly-note{margin:calc(-1 * var(--space-md)) 0 var(--space-xl);padding:var(--space-md) var(--space-lg);font-size:var(--font-size-sm);line-height:1.45;color:var(--color-text-secondary);background:#6366f11a;border:1px solid var(--color-primary-border);border-radius:var(--radius-md)}.edit-course-card h2{font-size:var(--font-size-xl);font-weight:var(--font-weight-semibold);color:var(--color-text);margin:0 0 var(--space-xl);padding-bottom:var(--space-lg);border-bottom:1px solid var(--color-border)}.edit-course-content-section .edit-course-card h2{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);letter-spacing:.02em;text-transform:uppercase;color:var(--color-text-secondary)}.edit-course-card h3{font-size:var(--font-size-md);font-weight:var(--font-weight-semibold);color:var(--color-text);margin:var(--space-2xl) 0 var(--space-lg)}.edit-course-content-section .edit-course-card h3{font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);letter-spacing:.03em;text-transform:uppercase;color:var(--color-text-secondary);margin:var(--space-2xl) 0 var(--space-md);padding-bottom:var(--space-sm);border-bottom:1px solid var(--color-border)}.edit-course-fields{display:flex;flex-direction:column;gap:var(--space-xl);margin-bottom:var(--space-xl)}.edit-course-field label{display:block;font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-text-secondary);margin-bottom:var(--space-sm)}.edit-course-field input,.edit-course-field textarea,.edit-course-field select{width:100%;padding:var(--space-lg) var(--space-xl);font-size:var(--font-size-lg);color:var(--color-text);background:#ffffff0d;border:1px solid var(--color-border);border-radius:var(--radius-md)}.edit-course-field input:focus,.edit-course-field textarea:focus{outline:none;border-color:var(--color-border-focus);box-shadow:0 0 0 3px var(--color-primary-surface)}.edit-course-field input:disabled,.edit-course-field textarea:disabled,.edit-course-field select:disabled{opacity:.75;cursor:not-allowed;background:#ffffff06}.edit-course-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-lg)}.edit-course-course-actions{display:flex;flex-direction:column;gap:var(--space-md)}.edit-course-save-btn{padding:var(--space-lg) var(--space-2xl);font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);color:var(--color-text);background:var(--color-primary-gradient);border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-normal)}.edit-course-save-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:var(--shadow-primary)}.edit-course-save-btn:disabled{opacity:.7;cursor:not-allowed}.edit-course-delete-course-btn{padding:var(--space-md) var(--space-xl);font-size:var(--font-size-base);font-weight:var(--font-weight-medium);color:var(--color-error);background:transparent;border:1px solid rgba(248,113,113,.4);border-radius:var(--radius-md);cursor:pointer;transition:background var(--transition-fast),border-color var(--transition-fast)}.edit-course-delete-course-btn:hover{background:var(--color-error-surface);border-color:#f871718c}.edit-course-lessons{display:flex;flex-direction:column;gap:var(--space-lg);margin-bottom:var(--space-lg)}.edit-course-lesson-item{display:flex;align-items:center;gap:var(--space-md)}.edit-course-lesson-title{flex:1;min-width:0;padding:var(--space-md) var(--space-lg);font-size:var(--font-size-base);color:var(--color-text);background:#ffffff0d;border:1px solid var(--color-border);border-radius:var(--radius-sm)}.edit-course-lesson-actions{display:flex;align-items:center;gap:var(--space-sm);flex-shrink:0}.edit-course-lesson-view{font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-link);text-decoration:none;padding:var(--space-xs) var(--space-md);border-radius:var(--radius-sm);transition:color var(--transition-fast),background var(--transition-fast)}.edit-course-lesson-view:hover{color:var(--color-link-hover);background:var(--color-primary-surface)}.edit-course-lesson-remove{padding:var(--space-sm) var(--space-md);font-size:var(--font-size-base);color:var(--color-error);background:transparent;border:1px solid rgba(248,113,113,.3);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast)}.edit-course-lesson-remove:hover{background:var(--color-error-surface)}.edit-course-add-lesson{padding:var(--space-md) var(--space-lg);font-size:var(--font-size-base);font-weight:var(--font-weight-medium);color:var(--color-link);background:transparent;border:1px dashed var(--color-border);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-normal)}.edit-course-add-lesson:hover{border-color:var(--color-primary);background:var(--color-primary-surface)}.edit-course-content-hint{font-size:var(--font-size-sm);line-height:1.5;color:var(--color-text-muted);margin:0 0 var(--space-xl)}.edit-course-upload-wrap{margin-bottom:var(--space-2xl)}.edit-course-content-section .course-quick-upload{margin-top:var(--space-2xl);padding:var(--space-xl);background:#ffffff05;border:1px solid var(--color-border);border-radius:var(--radius-md);border-top:none}.edit-course-content-section .course-quick-upload h4{font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);letter-spacing:.03em;text-transform:uppercase;color:var(--color-text-secondary);margin:0 0 var(--space-sm)}.edit-course-content-section .course-quick-upload-dropzone{min-height:88px;border-style:dashed;border-color:var(--color-border);background:#ffffff03}.edit-course-content-section 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