/* MagnetiCraft Styles */

:root {
    --primary-color: #00D4FF;
    --secondary-color: #FF4444;
    --success-color: #00FF88;
    --warning-color: #FFB000;
    --bg-dark: #000011;
    --bg-panel: rgba(20, 20, 40, 0.8);
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --border-color: rgba(255, 255, 255, 0.2);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #000011 0%, #000033 100%);
    color: var(--text-primary);
    overflow: hidden;
    user-select: none;
}

/* Header Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: var(--bg-panel);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 1000;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Orbitron', monospace;
    font-weight: 900;
    font-size: 24px;
}

.logo-icon {
    font-size: 30px;
    filter: drop-shadow(0 0 10px var(--primary-color));
}

.header-controls {
    display: flex;
    gap: 15px;
    align-items: center;
}

.mode-toggle {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.mode-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 212, 255, 0.4);
}

.settings-btn, .share-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.settings-btn:hover, .share-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--primary-color);
}

/* Physics Settings Panel */
.physics-panel {
    position: fixed;
    top: 70px;
    right: 20px;
    width: 300px;
    background: var(--bg-panel);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    z-index: 999;
    transition: all 0.3s ease;
}

.physics-panel.hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateY(-20px);
}

.physics-panel h3 {
    font-family: 'Orbitron', monospace;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.setting-group {
    margin-bottom: 15px;
}

.setting-group label {
    display: block;
    margin-bottom: 5px;
    font-size: 14px;
    color: var(--text-secondary);
}

.setting-group input[type="range"] {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
    outline: none;
    cursor: pointer;
}

.setting-group input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 18px;
    height: 18px;
    background: var(--primary-color);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
    cursor: pointer;
}

/* Sidebars */
.left-sidebar, .right-sidebar {
    position: fixed;
    top: 60px;
    width: 280px;
    height: calc(100vh - 60px - 60px);
    background: var(--bg-panel);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    padding: 20px;
    overflow-y: auto;
    z-index: 900;
}

.left-sidebar {
    left: 0;
    border-left: none;
    border-top-right-radius: 12px;
}

.right-sidebar {
    right: 0;
    border-right: none;
    border-top-left-radius: 12px;
}

.sidebar-section {
    margin-bottom: 25px;
}

.sidebar-section h3 {
    font-family: 'Orbitron', monospace;
    font-size: 16px;
    margin-bottom: 15px;
    color: var(--primary-color);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
}

/* Magnet Palette */
.magnet-palette {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.magnet-btn {
    background: rgba(255, 68, 68, 0.2);
    border: 1px solid var(--secondary-color);
    color: var(--text-primary);
    padding: 10px 15px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
}

.magnet-btn:hover, .magnet-btn.active {
    background: rgba(255, 68, 68, 0.4);
    transform: translateX(5px);
}

/* Shape Tools */
.shape-tools {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.tool-btn {
    background: rgba(0, 212, 255, 0.2);
    border: 1px solid var(--primary-color);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 12px;
}

.tool-btn:hover {
    background: rgba(0, 212, 255, 0.4);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.3);
}

/* Simulation Controls */
.simulate-btn {
    width: 100%;
    background: linear-gradient(45deg, var(--success-color), var(--primary-color));
    border: none;
    color: white;
    padding: 15px;
    border-radius: 10px;
    font-family: 'Orbitron', monospace;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    margin-bottom: 15px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(0, 255, 136, 0.3);
}

.simulate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 255, 136, 0.5);
}

.simulate-btn.active {
    background: linear-gradient(45deg, var(--secondary-color), var(--warning-color));
    box-shadow: 0 5px 20px rgba(255, 68, 68, 0.3);
}

.reset-btn, .clear-btn {
    width: 48%;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 10px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
}

.reset-btn {
    margin-right: 4%;
}

.reset-btn:hover {
    background: rgba(255, 176, 0, 0.2);
    border-color: var(--warning-color);
}

.clear-btn:hover {
    background: rgba(255, 68, 68, 0.2);
    border-color: var(--secondary-color);
}

/* Playback Controls */
.playback-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.control-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.control-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.speed-control {
    flex: 1;
}

.speed-control label {
    display: block;
    font-size: 12px;
    margin-bottom: 5px;
    color: var(--text-secondary);
}

/* Pole Controls */
.pole-controls {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Visualization Controls */
.viz-controls {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
}

/* Bottom Toolbar */
.bottom-toolbar {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-panel);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-bottom: none;
    border-radius: 12px 12px 0 0;
    padding: 15px 25px;
    z-index: 900;
}

.tool-group {
    display: flex;
    gap: 10px;
}

.toolbar-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 10px 15px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
}

.toolbar-btn:hover, .toolbar-btn.active {
    background: rgba(0, 212, 255, 0.3);
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.3);
}

/* HUD Elements */
.hud-elements {
    position: fixed;
    top: 70px;
    left: 300px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 800;
}

.performance-monitor, .magnet-counter {
    background: var(--bg-panel);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px 15px;
    font-family: 'Courier New', monospace;
    font-size: 12px;
}

.performance-monitor {
    display: flex;
    gap: 15px;
}

.energy-meter {
    background: var(--bg-panel);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px 15px;
}

.energy-label {
    font-size: 12px;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.energy-bars {
    display: flex;
    gap: 3px;
    height: 20px;
}

.energy-bar {
    width: 8px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Main 3D Viewport */
#scene-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1;
}

#scene-container canvas {
    display: block;
    cursor: crosshair;
}

/* Scrollbar Styling */
.left-sidebar::-webkit-scrollbar,
.right-sidebar::-webkit-scrollbar {
    width: 6px;
}

.left-sidebar::-webkit-scrollbar-track,
.right-sidebar::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.left-sidebar::-webkit-scrollbar-thumb,
.right-sidebar::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 3px;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .left-sidebar, .right-sidebar {
        width: 250px;
    }
    
    .hud-elements {
        left: 270px;
    }
}

@media (max-width: 768px) {
    .left-sidebar, .right-sidebar {
        width: 100%;
        height: auto;
        position: fixed;
        bottom: 60px;
        top: auto;
        transform: translateY(100%);
        transition: transform 0.3s ease;
        border-radius: 12px 12px 0 0;
    }
    
    .left-sidebar.open, .right-sidebar.open {
        transform: translateY(0);
    }
    
    .header {
        font-size: 18px;
    }
    
    .header-controls {
        gap: 10px;
    }
    
    .hud-elements {
        left: 10px;
        right: 10px;
        top: 70px;
    }
    
    .bottom-toolbar {
        left: 0;
        right: 0;
        transform: none;
        border-radius: 0;
        padding: 10px 15px;
    }
    
    .tool-group {
        justify-content: space-around;
        width: 100%;
    }
    
    .toolbar-btn {
        padding: 8px 12px;
        font-size: 12px;
    }
}

/* Animation Effects */
@keyframes magneticGlow {
    0% { box-shadow: 0 0 5px var(--primary-color); }
    50% { box-shadow: 0 0 20px var(--primary-color), 0 0 30px var(--primary-color); }
    100% { box-shadow: 0 0 5px var(--primary-color); }
}

.simulate-btn:hover {
    animation: magneticGlow 2s infinite;
}

@keyframes energyPulse {
    0% { opacity: 0.8; }
    50% { opacity: 1; }
    100% { opacity: 0.8; }
}

.energy-bar {
    animation: energyPulse 1.5s infinite;
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.text-primary {
    color: var(--primary-color);
}

.text-secondary {
    color: var(--secondary-color);
}

.text-success {
    color: var(--success-color);
}

.text-warning {
    color: var(--warning-color);
}