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

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-panel: rgba(20, 20, 35, 0.8);
    --accent-cyan: #00d4ff;
    --accent-purple: #a855f7;
    --accent-pink: #ec4899;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --border-color: rgba(255, 255, 255, 0.1);
    --glass-bg: rgba(20, 20, 35, 0.6);
    --glass-border: rgba(255, 255, 255, 0.1);
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px 0;
}

.title {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
    letter-spacing: -1px;
}

.subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    font-family: 'Courier New', monospace;
    text-transform: uppercase;
    letter-spacing: 4px;
}

/* Main Layout */
.main-content {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

/* Canvas Wrapper */
.canvas-wrapper {
    position: relative;
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

#fractalCanvas {
    border-radius: 12px;
    box-shadow: 0 0 60px rgba(0, 212, 255, 0.15),
                0 0 120px rgba(168, 85, 247, 0.1);
    cursor: crosshair;
    background: #000;
}

.selection-box {
    position: absolute;
    border: 2px solid var(--accent-cyan);
    background: rgba(0, 212, 255, 0.1);
    pointer-events: none;
    display: none;
    border-radius: 4px;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.loading-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.9);
    padding: 30px 50px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.loading-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-cyan);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Info Panel */
.info-panel {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    padding: 15px 20px;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    display: flex;
    gap: 25px;
}

.info-item {
    display: flex;
    gap: 8px;
}

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

.info-value {
    color: var(--accent-cyan);
    font-weight: 600;
}

/* Control Panel */
.control-panel {
    width: 320px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 25px;
    max-height: calc(100vh - 200px);
    overflow-y: auto;
}

.control-panel::-webkit-scrollbar {
    width: 6px;
}

.control-panel::-webkit-scrollbar-track {
    background: transparent;
}

.control-panel::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.panel-section {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.panel-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.section-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
}

/* Fractal Selector */
.fractal-selector {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.fractal-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.fractal-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-cyan);
    transform: translateX(5px);
}

.fractal-btn.active {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(168, 85, 247, 0.2));
    border-color: var(--accent-cyan);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}

.btn-icon {
    font-size: 1.2rem;
    opacity: 0.8;
}

/* Julia Parameters */
.julia-params {
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.param-inputs {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.param-row {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.param-row label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.param-row input {
    padding: 10px 12px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    transition: border-color 0.3s;
}

.param-row input:focus {
    outline: none;
    border-color: var(--accent-cyan);
}

.preset-btn {
    padding: 10px;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 5px;
}

.preset-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(168, 85, 247, 0.4);
}

/* Slider */
.slider-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

input[type="range"] {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.5);
}

.slider-value {
    min-width: 45px;
    text-align: center;
    padding: 6px 10px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    color: var(--accent-cyan);
}

/* Color Schemes */
.color-schemes {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.color-btn {
    width: 50px;
    height: 50px;
    border: 2px solid transparent;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.color-btn:hover {
    transform: scale(1.1);
    border-color: rgba(255, 255, 255, 0.3);
}

.color-btn.active {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
    transform: scale(1.1);
}

.color-btn.active::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 1.2rem;
    font-weight: bold;
    text-shadow: 0 0 5px rgba(0, 0, 0, 0.8);
}

/* Zoom Controls */
.zoom-controls {
    display: flex;
    gap: 10px;
}

.control-btn {
    flex: 1;
    padding: 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.control-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-cyan);
    transform: translateY(-2px);
}

/* Action Buttons */
.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 20px;
    border: none;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.action-btn.primary {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    color: white;
}

.action-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.action-btn.secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.action-btn.secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--text-secondary);
}

/* History List */
.history-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 150px;
    overflow-y: auto;
}

.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.8rem;
    font-family: 'Courier New', monospace;
    cursor: pointer;
    transition: all 0.3s ease;
}

.history-item:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--accent-cyan);
}

.history-item .zoom-level {
    color: var(--accent-cyan);
    font-weight: 600;
}

.history-item .coord {
    color: var(--text-secondary);
    font-size: 0.75rem;
}

/* Discovery List */
.discovery-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.discovery-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: left;
}

.discovery-btn:hover {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.2), rgba(236, 72, 153, 0.2));
    border-color: var(--accent-purple);
    transform: translateX(5px);
}

/* Footer */
.footer {
    text-align: center;
    margin-top: 30px;
    padding: 20px;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 1100px) {
    .main-content {
        flex-direction: column;
    }
    
    .control-panel {
        width: 100%;
        max-height: none;
    }
    
    #fractalCanvas {
        width: 100%;
        max-width: 600px;
        height: auto;
    }
}

/* Animations */
@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(0, 212, 255, 0.5);
    }
}

.fractal-btn.active {
    animation: pulse 3s infinite;
}