:root { --vc-primary: #1a237e; --vc-accent: #00e676; --vc-bg: #f5f7f9; --vc-text: #37474f; --vc-white: #fff; --vc-radius: 12px; }
.vc-dashboard-wrapper { font-family: 'Segoe UI', sans-serif; color: var(--vc-text); background: var(--vc-bg); padding: 2rem; border-radius: var(--vc-radius); max-width: 1200px; margin: 2rem auto; }
.vc-header { display: flex; justify-content: space-between; align-items: center; border-bottom: 2px solid #e0e0e0; padding-bottom: 1.5rem; margin-bottom: 2rem; }
.vc-profile { display: flex; align-items: center; gap: 1rem; }
.vc-profile img { border-radius: 50%; border: 3px solid var(--vc-primary); }
.vc-role-badge { background: #283593; color: white; padding: 0.25rem 0.75rem; border-radius: 20px; font-size: 0.8rem; }
.vc-courses-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 2rem; }
.vc-course-card { background: var(--vc-white); border-radius: var(--vc-radius); overflow: hidden; box-shadow: 0 4px 6px rgba(0,0,0,0.1); transition: transform 0.3s; }
.vc-course-card:hover { transform: translateY(-5px); }
.vc-course-card.active { border: 2px solid var(--vc-accent); }
.vc-card-media { height: 150px; background: #e0e0e0; }
.vc-card-media img { width: 100%; height: 100%; object-fit: cover; }
.vc-card-content { padding: 1.5rem; }
.vc-course-meta { display: flex; justify-content: space-between; margin-bottom: 1rem; color: #78909c; }
.vc-btn { display: block; width: 100%; padding: 0.8rem; border: none; border-radius: 8px; font-weight: 600; cursor: pointer; text-align: center; }
.vc-btn-primary { background: var(--vc-accent); color: #003b1f; }
.vc-btn-disabled { background: #cfd8dc; color: #90a4ae; cursor: not-allowed; }
.vc-jitsi-modal { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.9); z-index: 9999; display: flex; align-items: center; justify-content: center; }
.vc-modal-content { width: 95%; height: 90%; background: #000; position: relative; }
.vc-close-btn { position: absolute; top: 10px; right: 10px; background: #ef5350; color: white; border: none; width: 40px; height: 40px; border-radius: 50%; font-size: 24px; cursor: pointer; z-index: 10000; }
@media (max-width: 768px) { .vc-courses-grid { grid-template-columns: 1fr; } }