.sidebar .nav-item {
    text-decoration: none !important;
}

.sidebar .nav-item:hover {
    text-decoration: none !important;
}

.mobile-nav-item {
    text-decoration: none !important;
}

.mobile-nav-item:hover {
    text-decoration: none !important;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 22px;
    cursor: pointer;
    padding: 4px 8px;
    margin-right: 8px;
}

.mobile-nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.6);
    z-index: 9999;
    backdrop-filter: blur(4px);
}

.mobile-nav-overlay.open {
    display: block !important;
}

.mobile-nav-menu {
    position: fixed;
    top: 72px;
    left: 16px;
    right: 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    padding: 12px 8px;
    box-shadow: var(--shadow-float);
    max-height: calc(100vh - 100px);
    overflow-y: auto;
}

.mobile-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--r-sm);
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none !important;
}

.mobile-nav-item:hover {
    background: var(--surface-2);
    color: var(--text-primary);
}

.mobile-nav-item.active {
    background: linear-gradient(135deg, rgba(109,59,158,0.35), rgba(139,92,246,0.18));
    color: var(--violet-glow);
    border-color: var(--border-bright);
}

.mobile-nav-item svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.mobile-nav-item i {
    width: 20px;
    text-align: center;
    font-size: 16px;
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
}

@media (min-width: 769px) {
    .mobile-nav-overlay {
        display: none !important;
    }
}

.tutorial-grid .key-card .card-actions {
    display: flex;
    gap: 8px;
    margin-top: 4px;
}

.tutorial-grid .key-card .card-actions .btn-tutorial,
.tutorial-grid .key-card .card-actions .btn-video {
    flex: 1;
    min-height: 38px;
    padding: 9px 12px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 500;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    white-space: nowrap;
    border: 1px solid var(--border-bright);
    background: linear-gradient(135deg, var(--violet-dark), var(--violet-mid));
    color: var(--violet-light);
}

.tutorial-grid .key-card .card-actions .btn-tutorial:hover,
.tutorial-grid .key-card .card-actions .btn-video:hover:not(:disabled) {
    box-shadow: 0 0 16px rgba(139, 92, 246, 0.3);
    transform: translateY(-1px);
}

.tutorial-grid .key-card .card-actions .btn-video:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
    background: var(--surface-2);
    border: 1px solid var(--border);
    color: var(--text-muted);
}

.tutorial-grid .key-card .card-badge {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
}

.tos-warning {
    background: rgba(245, 158, 11, 0.08);
    border: 1px solid rgba(245, 158, 11, 0.25);
    border-radius: 12px;
    padding: 16px 18px;
    margin-bottom: 20px;
}

.tos-header {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    color: #fbbf24;
    font-size: 15px;
    margin-bottom: 10px;
}

.tos-header svg {
    flex-shrink: 0;
}

.tos-list {
    list-style: none;
    padding: 0;
    margin: 0 0 12px 0;
}

.tos-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 6px 0;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.5;
}

.tos-list li svg {
    flex-shrink: 0;
    margin-top: 2px;
}

.tos-consequence {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 12px;
    background: rgba(245, 158, 11, 0.12);
    border-radius: 8px;
    font-size: 13px;
    color: #fbbf24;
    line-height: 1.5;
    margin-top: 4px;
}

.tos-consequence svg {
    flex-shrink: 0;
    margin-top: 2px;
}

.tutorial-step {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 12px;
    padding: 12px 16px;
    background: var(--surface-2);
    border-radius: 10px;
    border-left: 3px solid var(--violet-bright);
    transition: background 0.2s;
}

.tutorial-step:hover {
    background: var(--surface-3);
}

.tutorial-step .step-icon {
    flex-shrink: 0;
    margin-top: 2px;
}

.tutorial-step .step-text {
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.6;
}

.tutorial-step.warning {
    border-left-color: #f59e0b;
    background: rgba(245, 158, 11, 0.05);
}

.tutorial-step.warning .step-text {
    color: #fbbf24;
}

.tutorial-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    color: var(--violet-glow);
    font-size: 14px;
    font-weight: 500;
}

.tutorial-footer svg {
    flex-shrink: 0;
}

.tutorial-header h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.tutorial-count {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 16px;
}

.tutorial-count strong {
    color: var(--violet-glow);
}

.video-modal {
    max-width: 800px;
    width: 100%;
    padding: 0;
    overflow: hidden;
}

.video-modal .modal-header {
    padding: 16px 24px;
}

.video-modal .modal-body {
    padding: 0;
}

.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    background: #000;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

@media (max-width: 768px) {
    .tutorial-grid .key-card .card-actions {
        flex-direction: column;
    }
}

.btn-open-tutorial {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: linear-gradient(135deg, var(--violet-dark), var(--violet-mid));
    border: 1px solid var(--border-bright);
    border-radius: 10px;
    color: var(--violet-light);
    font-size: 14px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    width: 100%;
    justify-content: center;
}

.btn-open-tutorial:hover {
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.35);
    transform: translateY(-1px);
}

.btn-open-tutorial i {
    font-size: 16px;
}

.tutorial-step .step-text-link-wrapper {
    width: 100%;
}

.tutorial-step .step-text {
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.6;
}