[data-theme="dark"] {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0b0;
    --accent: #00ff88;
    --accent-secondary: #ff00ff;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
}

[data-theme="light"] {
    --bg-primary: #f0f0f5;
    --bg-secondary: #e0e0ea;
    --text-primary: #1a1a2f;
    --text-secondary: #4a4a5a;
    --accent: #00cc6a;
    --accent-secondary: #cc00cc;
    --glass-bg: rgba(0, 0, 0, 0.05);
    --glass-border: rgba(0, 0, 0, 0.1);
}

.control-btn {
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
    transition: all 0.3s ease;
}

.control-btn:hover {
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.5);
}

.section h2 {
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bar {
    background: linear-gradient(180deg, var(--accent), var(--accent-secondary));
}

.glassmorphism {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
}

.neon-text {
    text-shadow: 
        0 0 5px var(--accent),
        0 0 10px var(--accent),
        0 0 20px var(--accent),
        0 0 40px var(--accent);
}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

body[data-theme="dark"] .glass-panel {
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

body[data-theme="light"] .glass-panel {
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.1);
}

.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.3);
}

.gradient-border {
    position: relative;
    background: var(--bg-secondary);
    border-radius: 10px;
}

.gradient-border::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
    z-index: -1;
}

body[data-theme="dark"] ::selection {
    background: var(--accent);
    color: var(--bg-primary);
}

body[data-theme="light"] ::selection {
    background: var(--accent);
    color: white;
}