/* Techy Game of Life CSS */
:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #2a2a2a;
    --accent-primary: #00ff41;
    --accent-secondary: #00cc33;
    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;
    --text-accent: #00ff41;
    --danger: #ff4444;
    --warning: #ffaa00;
    --border: #333;
    --shadow: 0 0 20px rgba(0, 255, 65, 0.3);
}

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

body {
    font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    background-attachment: fixed;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 30px;
    background: var(--bg-secondary);
    padding: 20px;
    border-radius: 10px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.accent {
    color: var(--accent-primary);
    text-shadow: 0 0 10px var(--accent-primary);
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

/* Canvas Container */
.canvas-container {
    position: relative;
    background: var(--bg-secondary);
    padding: 20px;
    border-radius: 10px;
    border: 2px solid var(--accent-primary);
    box-shadow: var(--shadow);
    flex: 1;
}

#gameCanvas {
    display: block;
    background: #000;
    border: 1px solid var(--border);
    border-radius: 5px;
    cursor: crosshair;
    width: 100%;
    max-width: 800px;
    height: auto;
}

.canvas-overlay {
    position: absolute;
    top: 25px;
    right: 25px;
    background: rgba(0, 0, 0, 0.8);
    padding: 8px 12px;
    border-radius: 5px;
    border: 1px solid var(--accent-primary);
}

.draw-mode-indicator {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
}

#currentDrawMode {
    color: var(--accent-primary);
    font-weight: bold;
}

/* Control Panel */
.control-panel {
    width: 350px;
    background: var(--bg-secondary);
    border-radius: 10px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    padding: 20px;
    height: fit-content;
}

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

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

.control-section h3 {
    font-size: 1rem;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-primary);
}

/* Buttons */
.button-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 15px;
}

button {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

button:hover {
    background: var(--accent-secondary);
    border-color: var(--accent-primary);
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.3);
    transform: translateY(-2px);
}

button.primary {
    background: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
}

button.primary:hover {
    background: var(--accent-secondary);
}

button.secondary {
    background: var(--bg-tertiary);
    border-color: var(--text-secondary);
}

button.danger {
    background: var(--danger);
    border-color: var(--danger);
}

button.danger:hover {
    background: #ff6666;
}

button.tool-btn {
    flex: 1;
    min-width: 80px;
}

button.tool-btn.active {
    background: var(--accent-primary);
    color: var(--bg-primary);
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.5);
}

.pattern-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.pattern-btn {
    padding: 8px 12px;
    font-size: 0.75rem;
}

/* Input Controls */
.parameter {
    margin-bottom: 15px;
}

.parameter label {
    display: block;
    margin-bottom: 5px;
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.range-input {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--bg-tertiary);
    outline: none;
    appearance: none;
    -webkit-appearance: none;
}

.range-input::-webkit-slider-thumb {
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent-primary);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.5);
}

.range-input::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent-primary);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.5);
    border: none;
}

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

.grid-input-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.grid-input-group label {
    min-width: 50px;
    margin: 0;
}

.grid-input {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    padding: 5px 10px;
    border-radius: 3px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.8rem;
    width: 80px;
}

.grid-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 5px rgba(0, 255, 65, 0.3);
}

/* Stats */
.stats {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border-radius: 5px;
    border: 1px solid var(--border);
    flex: 1;
}

.stat-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: 2px;
}

.stat-value {
    font-size: 1.1rem;
    color: var(--accent-primary);
    font-weight: bold;
}

/* Instructions */
.instructions {
    font-size: 0.8rem;
    line-height: 1.6;
}

.instructions p {
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.key {
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 3px;
    border: 1px solid var(--border);
    font-size: 0.7rem;
    color: var(--accent-primary);
    min-width: 60px;
    text-align: center;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .main-content {
        flex-direction: column;
    }
    
    .control-panel {
        width: 100%;
    }
    
    .pattern-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .header h1 {
        font-size: 1.8rem;
    }
    
    .control-panel {
        padding: 15px;
    }
    
    .button-group {
        flex-direction: column;
    }
    
    .pattern-grid {
        grid-template-columns: 1fr;
    }
    
    .stats {
        flex-direction: column;
    }
}

/* Animations */
@keyframes pulse {
    0% { box-shadow: 0 0 5px rgba(0, 255, 65, 0.3); }
    50% { box-shadow: 0 0 20px rgba(0, 255, 65, 0.6); }
    100% { box-shadow: 0 0 5px rgba(0, 255, 65, 0.3); }
}

.control-section.active {
    animation: pulse 2s infinite;
}