:root {
    --visual-void: #000205;
    --form-primary: rgba(102, 255, 204, 0.9);
    --form-secondary: rgba(255, 204, 102, 0.8);
    --form-tertiary: rgba(204, 102, 255, 0.8);
    --pattern-glow: 0 0 30px rgba(102, 255, 204, 0.4);
}

.playground-hero {
    padding-bottom: 1rem;
}

.visual-metrics {
    display: flex;
    gap: 2rem;
    margin-top: 1rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.metric {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    color: var(--cyan-accent);
}

.metric span {
    font-size: 1.2rem;
    color: var(--phosphor-green);
    text-shadow: 0 0 10px rgba(51, 255, 51, 0.6);
}

.visual-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem 3rem 2rem;
}

.visual-controls {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.control-btn {
    background: rgba(0, 34, 68, 0.8);
    border: 1px solid var(--cyan-accent);
    color: var(--cyan-accent);
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: lowercase;
    letter-spacing: 1px;
}

.control-btn:hover {
    background: rgba(102, 255, 204, 0.1);
    box-shadow: var(--pattern-glow);
    transform: translateY(-2px);
}

.control-btn.active {
    background: rgba(102, 255, 204, 0.2);
    box-shadow: var(--pattern-glow);
    color: var(--form-primary);
}

.control-btn.primary {
    border-color: var(--phosphor-green);
    color: var(--phosphor-green);
}

.control-btn.primary:hover {
    background: rgba(51, 255, 51, 0.1);
    box-shadow: 0 0 35px rgba(51, 255, 51, 0.4);
}

.control-btn.reset {
    border-color: var(--pink-accent);
    color: var(--pink-accent);
}

.control-btn.reset:hover {
    background: rgba(255, 51, 153, 0.1);
    box-shadow: 0 0 30px rgba(255, 51, 153, 0.3);
}

.visual-stage {
    position: relative;
    border: 1px solid rgba(102, 255, 204, 0.3);
    border-radius: 12px;
    background:
        radial-gradient(circle at 20% 80%, rgba(102, 255, 204, 0.02) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 204, 102, 0.02) 0%, transparent 50%),
        var(--visual-void);
    overflow: hidden;
    box-shadow: var(--pattern-glow);
    min-height: 700px;
}

#visual-canvas {
    display: block;
    width: 100%;
    height: 700px;
}

.visual-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 10;
}

.visual-whisper {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--cyan-accent);
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: lowercase;
    opacity: 0.7;
}

.visual-instructions {
    margin-top: 0.5rem;
    font-size: 0.65rem;
    color: var(--text-secondary);
    opacity: 0.5;
}

.visual-philosophy {
    margin-top: 2rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.8;
    opacity: 0.8;
}

.visual-philosophy p {
    margin-bottom: 0.5rem;
}

.visual-philosophy code {
    color: var(--cyan-accent);
    font-size: 0.9rem;
}

.visual-stage.morphing {
    animation: morph-pulse 2s ease-in-out infinite;
}

.visual-stage.decomposing {
    animation: decompose-pulse 1.5s ease-in-out infinite;
}

@keyframes morph-pulse {
    0%, 100% {
        box-shadow: var(--pattern-glow);
    }
    50% {
        box-shadow: 0 0 50px rgba(102, 255, 204, 0.6);
    }
}

@keyframes decompose-pulse {
    0%, 100% {
        box-shadow: 0 0 40px rgba(255, 204, 102, 0.5);
    }
    50% {
        box-shadow: 0 0 60px rgba(255, 204, 102, 0.8);
    }
}

@media (max-width: 768px) {
    .visual-container {
        padding: 0 1rem 2rem 1rem;
    }

    .visual-controls {
        gap: 0.5rem;
    }

    .control-btn {
        padding: 0.5rem 1rem;
        font-size: 0.75rem;
    }

    #visual-canvas {
        height: 500px;
    }

    .visual-stage {
        min-height: 500px;
    }

    .visual-metrics {
        gap: 1rem;
        font-size: 0.7rem;
    }
}