/* ============================================
   TYPEBLASTER - MAIN STYLES
   Cyberpunk Space Invaders Typing Game
   ============================================ */

/* CSS Custom Properties - Cyberpunk Theme */
:root {
    /* Neon Colors */
    --neon-cyan: #00f3ff;
    --neon-cyan-glow: rgba(0, 243, 255, 0.5);
    --neon-magenta: #ff00ff;
    --neon-magenta-glow: rgba(255, 0, 255, 0.5);
    --neon-purple: #9d00ff;
    --neon-purple-glow: rgba(157, 0, 255, 0.5);
    --neon-green: #00ff9d;
    --neon-green-glow: rgba(0, 255, 157, 0.5);
    --neon-yellow: #ffee00;
    --neon-red: #ff0055;
    
    /* Background Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #0f0f1a;
    --bg-panel: rgba(15, 15, 26, 0.95);
    --bg-card: rgba(20, 20, 35, 0.9);
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #606070;
    
    /* Grid Lines */
    --grid-color: rgba(0, 243, 255, 0.08);
    --grid-color-bright: rgba(0, 243, 255, 0.15);
    
    /* Borders */
    --border-neon: 1px solid var(--neon-cyan);
    --border-glow: 0 0 10px var(--neon-cyan-glow);
    
    /* Fonts */
    --font-display: 'Orbitron', sans-serif;
    --font-mono: 'Share Tech Mono', monospace;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reset & Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    -ms-overflow-style: scrollbar;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-mono);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow: hidden;
    line-height: 1.5;
    
    /* Animated grid background */
    background-image: 
        linear-gradient(var(--grid-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
    background-size: 50px 50px;
    background-position: center center;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 50px 50px;
    }
}

/* Selection Styling */
::selection {
    background: var(--neon-cyan);
    color: var(--bg-primary);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--neon-cyan);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--neon-magenta);
}

/* Utility Classes */
.highlight {
    color: var(--neon-cyan);
    text-shadow: 0 0 10px var(--neon-cyan-glow);
}

.neon-text {
    color: var(--neon-cyan);
    text-shadow: 
        0 0 5px var(--neon-cyan),
        0 0 10px var(--neon-cyan),
        0 0 20px var(--neon-cyan-glow);
}

.neon-text-magenta {
    color: var(--neon-magenta);
    text-shadow: 
        0 0 5px var(--neon-magenta),
        0 0 10px var(--neon-magenta),
        0 0 20px var(--neon-magenta-glow);
}

.neon-text-green {
    color: var(--neon-green);
    text-shadow: 
        0 0 5px var(--neon-green),
        0 0 10px var(--neon-green),
        0 0 20px var(--neon-green-glow);
}

.hidden {
    display: none !important;
}

.invisible {
    visibility: hidden;
}

/* Focus Styles */
button:focus,
input:focus {
    outline: 2px solid var(--neon-cyan);
    outline-offset: 2px;
}

/* Prevent text selection during game */
.no-select {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}