/**
 * Professional Game Page Template - Version 2.0
 *  * Responsive design for all devices with proper scaling
 * Sharp text rendering with anti-aliasing optimization
 * Consistent user experience across all games
 *
 * Based on best practices for HTML5 canvas games
 */

/* ==================== RESET & BASE ==================== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    /* Improve text rendering */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;

    /* Prevent iOS text size adjustment */
    -webkit-text-size-adjust: 100%;

    /* Ensure proper height calculation */
    height: 100%;
}

body {
    /* Full viewport layout */
    margin: 0;
    padding: 0;
    width: 100vw;
    height: 100vh;
    overflow: hidden;

    /* Flexbox centering for game */
    display: flex;
    justify-content: center;
    align-items: center;

    /* Modern gradient background */
    background: linear-gradient(
        135deg,
        var(--game-bg-start, #A8DADA) 0%,
        var(--game-bg-end, #3D9E9E) 100%
    );

    /* Typography */
    font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;

    /* Prevent accidental text selection in game */
    user-select: none;
    -webkit-user-select: none;
    -webkit-touch-callout: none;
}

/* ==================== GAME CONTAINER ==================== */
#game-container {
    /* Responsive sizing - fills most of viewport */
    width: min(95vw, 1200px);
    height: min(95vh, 900px);

    /* Visual polish */
    border-radius: 12px;
    overflow: hidden;

    /* Container for canvas */
    position: relative;
    background: #000;
}

/* ==================== CANVAS OPTIMIZATION ==================== */
canvas {
    display: block;

    /* Let Phaser handle sizing - don't override */
    width: 100%;
    height: 100%;

    /* Improve rendering quality */
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;

    /* Ensure sharp rendering on all devices */
    -ms-interpolation-mode: nearest-neighbor;
}

/* ==================== NAVIGATION ==================== */
.back-link {
    /* Position absolutely over game */
    position: absolute;
    top: clamp(10px, 2vh, 20px);
    left: clamp(10px, 2vw, 20px);
    z-index: 1000;

    /* Styling */
    color: #FFFFFF;
    text-decoration: none;
    font-size: clamp(0.9rem, 2vw, 1.125rem);
    font-weight: 600;

    /* Glassmorphism effect */
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);

    /* Layout */
    padding: clamp(8px, 1.5vh, 12px) clamp(14px, 3vw, 20px);
    border-radius: 25px;
    border: 1px solid rgba(255, 255, 255, 0.1);

    /* Animation */
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    /* Accessibility */
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.back-link:hover {
    background: rgba(0, 0, 0, 0.6);
    transform: translateY(-2px);
}

.back-link:active {
    transform: translateY(0);
}

/* ==================== MOBILE OPTIMIZATIONS ==================== */
@media (max-width: 768px) {
    body {
        /* Use dynamic viewport height for mobile browsers */
        height: 100dvh;
    }

    #game-container {
        /* Fill more of mobile screen */
        width: 100vw;
        height: 100dvh;

        /* Remove rounded corners on mobile for immersive experience */
        border-radius: 0;
    }

    .back-link {
        /* Adjust for mobile safe areas */
        top: max(env(safe-area-inset-top, 0px), 8px);
        left: max(env(safe-area-inset-left, 0px), 8px);

        /* Smaller on mobile */
        font-size: 0.875rem;
        padding: 6px 12px;
    }
}

/* ==================== TABLET OPTIMIZATIONS ==================== */
@media (min-width: 769px) and (max-width: 1024px) {
    #game-container {
        width: 92vw;
        height: 92vh;
    }
}

/* ==================== LANDSCAPE MOBILE ==================== */
@media (max-width: 768px) and (orientation: landscape) {
    #game-container {
        width: 100vw;
        height: 100vh;
    }

    .back-link {
        /* Adjust for landscape mobile */
        top: 6px;
        left: 6px;
        padding: 4px 10px;
        font-size: 0.8rem;
    }
}

/* ==================== HIGH-DPI DISPLAYS ==================== */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    canvas {
        /* Optimize for Retina displays */
        image-rendering: -webkit-optimize-contrast;
        image-rendering: optimize-contrast;
    }
}

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

/* ==================== PRINT (hide game) ==================== */
@media print {
    body {
        display: none;
    }
}