/* Theme Variables and Dark/Light Mode Support */

/* Light Theme (Default) */
:root[data-theme="light"] {
    /* Primary Colors */
    --color-primary: #667eea;
    --color-primary-dark: #5568d3;
    --color-primary-light: #7c94f5;
    --color-secondary: #764ba2;
    
    /* Background Colors */
    --color-bg-primary: #ffffff;
    --color-bg-secondary: #f8f9fa;
    --color-bg-tertiary: #f1f3f5;
    --color-bg-elevated: #ffffff;
    
    /* Text Colors */
    --color-text-primary: #333333;
    --color-text-secondary: #666666;
    --color-text-tertiary: #999999;
    --color-text-inverted: #ffffff;
    
    /* Border Colors */
    --color-border-primary: #e0e0e0;
    --color-border-secondary: #eeeeee;
    --color-border-focus: #667eea;
    
    /* Card Colors */
    --color-card-bg: #ffffff;
    --color-card-border: #e0e0e0;
    --color-card-hover-shadow: rgba(0, 0, 0, 0.1);
    
    /* Game Canvas */
    --color-canvas-bg: #f8f9fa;
    --color-canvas-border: #dddddd;
    
    /* Button Colors */
    --color-btn-primary-bg: linear-gradient(45deg, #667eea, #764ba2);
    --color-btn-primary-hover: linear-gradient(45deg, #5568d3, #653991);
    --color-btn-secondary-bg: #6c757d;
    --color-btn-secondary-hover: #5a6268;
    
    /* Shadow Colors */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 15px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 25px rgba(0, 0, 0, 0.15);
    --shadow-primary: 0 4px 15px rgba(102, 126, 234, 0.4);
    
    /* Ad Box Colors */
    --color-ad-bg: #f8f9fa;
    --color-ad-border: #e0e0e0;
    --color-ad-text: #888888;
    
    /* Modal Colors */
    --color-modal-overlay: rgba(0, 0, 0, 0.5);
    --color-modal-bg: #ffffff;
    
    /* Gradient Text */
    --gradient-text: linear-gradient(45deg, #667eea, #764ba2, #ff6b6b);
}

/* Dark Theme */
:root[data-theme="dark"] {
    /* Primary Colors */
    --color-primary: #7c94f5;
    --color-primary-dark: #667eea;
    --color-primary-light: #90a7ff;
    --color-secondary: #8e68b8;
    
    /* Background Colors */
    --color-bg-primary: #0f0f11;
    --color-bg-secondary: #18181b;
    --color-bg-tertiary: #1f1f23;
    --color-bg-elevated: #26262b;
    
    /* Text Colors */
    --color-text-primary: #f1f3f5;
    --color-text-secondary: #c5c7ca;
    --color-text-tertiary: #8b8d91;
    --color-text-inverted: #0f0f11;
    
    /* Border Colors */
    --color-border-primary: #26262b;
    --color-border-secondary: #2d2d31;
    --color-border-focus: #7c94f5;
    
    /* Card Colors */
    --color-card-bg: #1f1f23;
    --color-card-border: #26262b;
    --color-card-hover-shadow: rgba(0, 0, 0, 0.5);
    
    /* Game Canvas */
    --color-canvas-bg: #18181b;
    --color-canvas-border: #26262b;
    
    /* Button Colors */
    --color-btn-primary-bg: linear-gradient(45deg, #7c94f5, #8e68b8);
    --color-btn-primary-hover: linear-gradient(45deg, #90a7ff, #a082cc);
    --color-btn-secondary-bg: #4a4a52;
    --color-btn-secondary-hover: #5a5a62;
    
    /* Shadow Colors */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 18px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.6);
    --shadow-primary: 0 4px 18px rgba(124, 148, 245, 0.3);
    
    /* Ad Box Colors */
    --color-ad-bg: #1f1f23;
    --color-ad-border: #26262b;
    --color-ad-text: #6b6b70;
    
    /* Modal Colors */
    --color-modal-overlay: rgba(0, 0, 0, 0.72);
    --color-modal-bg: #1f1f23;
    
    /* Gradient Text */
    --gradient-text: linear-gradient(45deg, #7c94f5, #8e68b8, #ff8787);
}

/* Apply theme colors to body */
body {
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Header theming */
header {
    background-color: var(--color-bg-secondary);
    border-bottom-color: var(--color-border-primary);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

/* Theme Toggle Button Styles */
#theme-toggle {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.75rem;
    background-color: var(--color-bg-elevated);
    border: 1px solid var(--color-border-primary);
    border-radius: 6px;
    color: var(--color-text-primary);
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

#theme-toggle:hover {
    background-color: var(--color-bg-tertiary);
    border-color: var(--color-border-focus);
    transform: translateY(-1px);
}

#theme-toggle:active {
    transform: translateY(0);
}

.theme-icon {
    font-size: 1rem;
    line-height: 1;
}

.theme-text {
    line-height: 1;
}

/* Navigation links */
nav a {
    color: var(--color-text-secondary);
    transition: color 0.3s ease;
}

nav a:hover {
    color: var(--color-text-primary);
}

/* Card theming */
.game-card {
    background-color: var(--color-card-bg);
    border-color: var(--color-card-border);
    transition: background-color 0.3s ease, border-color 0.3s ease, 
                transform 0.25s ease, box-shadow 0.25s ease;
}

.game-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-border-focus);
}

.game-card h3 {
    color: var(--color-text-primary);
}

.game-desc {
    color: var(--color-text-secondary);
}

/* Play button */
.play-button {
    background: var(--color-btn-primary-bg);
    color: var(--color-text-inverted);
}

.play-button:hover {
    background: var(--color-btn-primary-hover);
}

/* Ad boxes */
.ad-box {
    background-color: var(--color-ad-bg);
    border-color: var(--color-ad-border);
    color: var(--color-ad-text);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

/* Footer */
footer {
    background-color: var(--color-bg-secondary);
    border-top-color: var(--color-border-primary);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

footer p {
    color: var(--color-text-tertiary);
}

/* Hero section */
.hero {
    background-color: var(--color-bg-primary);
}

.hero h1 {
    color: var(--color-text-primary);
}

.hero p {
    color: var(--color-text-secondary);
}

.site-title {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Typewriter */
.typewriter-container,
.typewriter-text {
    color: var(--color-text-primary);
}

.cursor {
    color: var(--color-text-primary);
}

/* Game container */
.game-container {
    background-color: var(--color-bg-elevated);
    border-color: var(--color-border-primary);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.game-header {
    border-bottom-color: var(--color-border-secondary);
}

.game-title {
    color: var(--color-text-primary);
}

.game-score {
    color: var(--color-primary);
}

/* Game canvas */
.game-canvas {
    background-color: var(--color-canvas-bg);
    border-color: var(--color-canvas-border);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

/* Control buttons */
.btn-primary,
.control-btn {
    background: var(--color-btn-primary-bg);
    color: var(--color-text-inverted);
    transition: all 0.3s ease;
}

.btn-primary:hover,
.control-btn:hover {
    background: var(--color-btn-primary-hover);
}

.btn-secondary {
    background-color: var(--color-btn-secondary-bg);
    color: var(--color-text-inverted);
}

.btn-secondary:hover {
    background-color: var(--color-btn-secondary-hover);
}

/* Game instructions */
.game-instructions {
    background-color: var(--color-bg-tertiary);
    border-left-color: var(--color-primary);
    transition: background-color 0.3s ease;
}

.game-instructions h4 {
    color: var(--color-text-primary);
}

.game-instructions p {
    color: var(--color-text-secondary);
}

/* Modal overlay */
#between-games-ad {
    background-color: var(--color-modal-overlay);
}

#between-games-ad .ad-modal {
    background-color: var(--color-modal-bg);
    border-color: var(--color-border-secondary);
}

/* Sidebar ads */
.sidebar-ads {
    transition: opacity 0.3s ease;
}

/* Stats displays */
.tetris-stats > div,
.target-stats > div,
.space-stats > div,
.dice-stats > div,
.pong-stats > div,
.balloon-stats > div,
.flappy-stats > div,
.frogger-stats > div {
    color: var(--color-primary);
}

/* Specific game elements */
.betting-area,
.dice-controls {
    background-color: var(--color-bg-tertiary);
    transition: background-color 0.3s ease;
}

.card {
    background-color: var(--color-bg-primary);
    transition: background-color 0.3s ease;
}

.foundation {
    background-color: var(--color-bg-tertiary);
    border-color: var(--color-primary);
}

.card-placeholder {
    background-color: var(--color-bg-tertiary);
    border-color: var(--color-border-secondary);
    color: var(--color-text-tertiary);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    #theme-toggle {
        padding: 0.4rem 0.8rem;
        font-size: 0.85rem;
    }
    
    .theme-text {
        display: none;
    }
    
    .theme-icon {
        font-size: 1.4rem;
    }
}

/* Smooth transitions for theme changes */
* {
    transition-property: background-color, border-color, color, box-shadow;
    transition-duration: 0.3s;
    transition-timing-function: ease;
}

/* Preserve transform transitions */
.game-card,
.btn-primary,
.btn-secondary,
#theme-toggle {
    transition-property: background-color, border-color, color, box-shadow, transform;
}