/* Teacher Mode Styles */

/* Teacher Mode Toggle */
.teacher-mode-toggle {
    margin-right: 20px;
}

.toggle-switch {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    user-select: none;
}

.toggle-slider {
    position: relative;
    width: 50px;
    height: 26px;
    background-color: #ccc;
    border-radius: 13px;
    transition: background-color 0.3s;
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    left: 3px;
    top: 3px;
    background-color: white;
    border-radius: 50%;
    transition: transform 0.3s;
}

.toggle-switch input[type="checkbox"] {
    display: none;
}

.toggle-switch input[type="checkbox"]:checked + .toggle-slider {
    background-color: #667eea;
}

.toggle-switch input[type="checkbox"]:checked + .toggle-slider::before {
    transform: translateX(24px);
}

.toggle-label {
    font-size: 14px;
    font-weight: 500;
    color: #2d3436;
}

/* Floating Action Button */
.fab-add-node {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-size: 24px;
    border: none;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.fab-add-node:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.fab-add-node:active {
    transform: scale(0.95);
}

.fab-add-node.hidden {
    display: none;
}

/* Teacher Mode Body Class */
body.teacher-mode .node-circle {
    cursor: pointer;
}

body.teacher-mode .node-circle:hover {
    stroke-width: 3px;
    filter: brightness(1.1);
}

/* Teacher Controls in Detail Panel */
.teacher-node-controls {
    display: none;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #e0e0e0;
}

body.teacher-mode .teacher-node-controls {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.teacher-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.teacher-btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.teacher-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.teacher-btn-secondary {
    background: #f8f9fa;
    color: #2d3436;
    border: 1px solid #dfe6e9;
}

.teacher-btn-secondary:hover {
    background: #e9ecef;
}

/* Responsive */
@media (max-width: 768px) {
    .fab-add-node {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
    
    .teacher-mode-toggle {
        margin-right: 10px;
    }
    
    .toggle-label {
        display: none;
    }
}