:root {
    --bg-dark: #0a0a0a;
    --panel-bg: rgba(24, 24, 27, 0.85);
    --accent-cyan: #06b6d4;
    --accent-green: #10b981;
    --accent-red: #ef4444;
    --accent-purple: #8b5cf6;
    --text-primary: #e4e4e7;
    --text-secondary: #a1a1aa;
}

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #0a0a0a 100%);
    color: var(--text-primary);
    min-height: 100vh;
    margin: 0;
    overflow-x: hidden;
}

.tech-font {
    font-family: 'Orbitron', sans-serif;
}

.glass-panel {
    background: var(--panel-bg);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 1.5rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-panel:hover {
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.glow-cyan { box-shadow: 0 0 30px rgba(6, 182, 212, 0.3); }
.glow-green { box-shadow: 0 0 30px rgba(16, 185, 129, 0.3); }
.glow-red { box-shadow: 0 0 30px rgba(239, 68, 68, 0.3); }
.glow-purple { box-shadow: 0 0 30px rgba(139, 92, 246, 0.3); }

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-green));
    color: #000;
    font-weight: 800;
    padding: 1rem 2rem;
    border-radius: 0.75rem;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-primary:hover {
    transform: scale(1.02);
    filter: brightness(1.1);
}

.btn-primary:active {
    transform: scale(0.98);
}

/* Animations */
@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-slide-up {
    animation: slideUp 0.5s ease forwards;
}

/* Specific Module UI */
#training-canvas {
    width: 100%;
    max-width: 800px;
    height: 500px;
    background: #000;
    border-radius: 1rem;
    margin: 2rem auto;
    display: block;
    cursor: crosshair;
}

.module-card {
    padding: 1.5rem;
    cursor: pointer;
    text-align: center;
}

.module-card.active {
    border-color: var(--accent-cyan);
    background: rgba(6, 182, 212, 0.1);
}

.icon-wrapper {
    width: 4rem;
    height: 4rem;
    margin: 0 auto 1rem;
    display: flex;
    items-center: center;
    justify-content: center;
    border-radius: 1rem;
    font-size: 1.5rem;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0a0a0a;
}
::-webkit-scrollbar-thumb {
    background: #27272a;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #3f3f46;
}