/* Main Styles for Jeans-Zip Game */
/* Denim-inspired design with industrial aesthetic */

:root {
    /* Color Palette */
    --denim-dark: #1E3A8A;
    --denim-blue: #3B82F6;
    --denim-light: #93C5FD;
    --brass-dark: #D97706;
    --brass-light: #F59E0B;
    --cream: #FEF3C7;
    --cream-light: #FFFBEB;
    --grid-contrast: #FBBF24;
    --white: #FFFFFF;
    
    /* Typography */
    --font-heading: 'Arial Black', 'Helvetica Bold', Arial, sans-serif;
    --font-body: 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'Monaco', 'Consolas', monospace;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    background: url('../assets/images/jeans-bg.jpg') center center / cover no-repeat fixed;
    color: var(--white);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Subtle overlay for better contrast and readability */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

/* Game Container */
#game-container {
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
#game-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid var(--brass-light);
    position: sticky;
    top: 0;
    z-index: 100;
}

#game-header a {
    text-decoration: none;
    color: var(--brass-light);
}

.game-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--brass-light);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    letter-spacing: 1px;
}

.game-info {
    display: flex;
    gap: var(--spacing-lg);
    font-weight: 600;
}

#level-display,
#moves-display {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--brass-light);
}

/* Screen Management */
.screen {
    display: none;
    flex: 1;
    position: relative;
}

.screen.active {
    display: flex;
    flex-direction: column;
}

/* Button Styles */
.menu-btn {
    background: linear-gradient(135deg, var(--brass-dark) 0%, var(--brass-light) 100%);
    color: var(--white);
    border: none;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

.menu-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left var(--transition-normal);
}

.menu-btn:hover::before {
    left: 100%;
}

.menu-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.menu-btn:active {
    transform: translateY(0);
}

.menu-btn.primary {
    background: linear-gradient(135deg, var(--denim-blue) 0%, var(--denim-light) 100%);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.control-btn {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border: 1px solid var(--brass-light);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    backdrop-filter: blur(5px);
}

.control-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

.back-btn {
    background: none;
    border: none;
    color: var(--brass-light);
    font-size: 1.1rem;
    cursor: pointer;
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    transition: color var(--transition-fast);
    align-self: flex-start;
}

.back-btn:hover {
    color: var(--white);
}

/* Screen Content */
.screen-content {
    flex: 1;
    padding: var(--spacing-xl);
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

.screen-content h2 {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--brass-light);
    margin-bottom: var(--spacing-lg);
    text-align: center;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.screen-content h3 {
    color: var(--cream);
    margin-bottom: var(--spacing-md);
    font-size: 1.3rem;
}

.screen-content p {
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    color: var(--cream-light);
}

.screen-content ul {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.screen-content li {
    margin-bottom: var(--spacing-sm);
    line-height: 1.5;
    color: var(--cream-light);
}

/* Game Status */
.game-status {
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    border-top: 2px solid var(--brass-light);
}

#objective {
    text-align: center;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--cream);
}

#progress-bar {
    height: 8px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

#progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--brass-dark), var(--brass-light));
    width: 0%;
    transition: width var(--transition-normal);
}

/* Game Controls */
.game-controls {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(5px);
}

/* Responsive Design */
@media (max-width: 768px) {
    #game-header {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .game-title {
        font-size: 1.2rem;
    }
    
    .game-info {
        gap: var(--spacing-md);
        font-size: 0.9rem;
    }
    
    .screen-content {
        padding: var(--spacing-lg);
    }
    
    .menu-btn {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 0.9rem;
    }
    
    .game-controls {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .control-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .game-info {
        flex-direction: column;
        gap: var(--spacing-xs);
        font-size: 0.8rem;
    }
    
    .screen-content h2 {
        font-size: 1.5rem;
    }
    
    .game-controls {
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --denim-dark: #000000;
        --denim-blue: #0066CC;
        --brass-light: #FFFF00;
        --white: #FFFFFF;
    }
}