/* Procedural Terrain Page Styles */

.terrain-section {
    min-height: 100vh;
    padding: 100px 0 60px;
    background: var(--background-color);
}

.terrain-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

.terrain-header {
    text-align: center;
    margin-bottom: 40px;
}

.terrain-title {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.terrain-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 780px;
    margin: 0 auto;
    line-height: 1.6;
}

.terrain-content {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 32px;
    margin-bottom: 40px;
}

.canvas-container {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: 20px;
    border: 2px solid var(--secondary-color);
    box-shadow: var(--shadow-lg);
}

#terrain-canvas {
    width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    background: var(--background-color);
    display: block;
    box-shadow: var(--shadow-sm);
}

.terrain-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 18px;
    padding: 14px;
    background: var(--surface-color);
    border-radius: var(--radius-md);
    border: 2px solid var(--border-color);
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.info-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.info-value {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 600;
}

.controls-panel {
    background: rgba(255, 255, 255, 0.96);
    border-radius: var(--radius-lg);
    padding: 24px;
    border: 2px solid var(--secondary-color);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(12px);
    max-height: calc(100vh - 200px);
    overflow-y: auto;
}

.controls-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--secondary-color);
}

.controls-title:not(:first-child) {
    margin-top: 28px;
}

.control-group {
    margin-bottom: 20px;
}

.control-group label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: 8px;
    font-weight: 500;
}

.control-group input[type="range"] {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--border-light);
    outline: none;
    -webkit-appearance: none;
}

.control-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
}

.control-group input[type="range"]::-webkit-slider-thumb:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
}

.control-group input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    border: none;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
}

.control-group input[type="range"]::-moz-range-thumb:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
}

.control-group input[type="number"] {
    width: 100%;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--background-color);
    color: var(--text-primary);
    font-size: 0.95rem;
}

.control-group input[type="number"]:focus {
    outline: none;
    border-color: var(--primary-color);
}

.control-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
    margin-bottom: 0;
}

.seed-row {
    display: flex;
    gap: 10px;
}

.seed-row input {
    flex: 1;
}

.seed-row .btn {
    white-space: nowrap;
}

.info-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.info-card {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.info-card h3 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.info-card p,
.info-card li {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.info-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.info-card li {
    position: relative;
    padding-left: 18px;
    margin-bottom: 8px;
}

.info-card li::before {
    content: "🍄";
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: 700;
}

.info-box {
    background: rgba(255, 215, 0, 0.1);
    border-left: 3px solid var(--secondary-color);
    padding: 12px;
    border-radius: 6px;
    margin-top: 16px;
}

.info-box h4 {
    font-size: 0.9rem;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.info-box p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 0;
}

@media (max-width: 1200px) {
    .terrain-content {
        grid-template-columns: 1fr;
    }

    .controls-panel {
        max-height: none;
    }
}

@media (max-width: 768px) {
    .terrain-title {
        font-size: 2rem;
    }

    .terrain-subtitle {
        font-size: 1rem;
    }

    .terrain-stats {
        grid-template-columns: 1fr;
    }

    .seed-row {
        flex-direction: column;
    }
}