/**
 * Common Responsive CSS Utilities
 * Provides consistent responsive patterns across all games
 */

/* ===== CSS Variables ===== */
:root {
    --primary-color: #00d4ff;
    --secondary-color: #ff3366;
    --success-color: #00ff88;
    --warning-color: #ffcc00;
    --danger-color: #ff1744;
    --dark-bg: #0f0f1e;
    --dark-panel: #1a1a2e;
    --dark-card: #16213e;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --border-color: rgba(0, 212, 255, 0.3);
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.5);
    
    /* Z-index layers */
    --z-base: 1;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-popover: 600;
    --z-tooltip: 700;
}

/* ===== Reset and Base ===== */
* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    touch-action: manipulation;
}

body {
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Prevent pull-to-refresh on mobile */
body.prevent-scroll {
    overscroll-behavior-y: contain;
    overflow: hidden;
    position: fixed;
    width: 100%;
    height: 100%;
}

/* ===== Flex Utilities ===== */
.flex {
    display: flex;
}

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

.flex-row {
    display: flex;
    flex-direction: row;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.flex-around {
    display: flex;
    align-items: center;
    justify-content: space-around;
}

.flex-wrap {
    flex-wrap: wrap;
}

.flex-1 {
    flex: 1;
}

.flex-grow {
    flex-grow: 1;
}

.flex-shrink-0 {
    flex-shrink: 0;
}

.align-start {
    align-items: flex-start;
}

.align-center {
    align-items: center;
}

.align-end {
    align-items: flex-end;
}

.justify-start {
    justify-content: flex-start;
}

.justify-center {
    justify-content: center;
}

.justify-end {
    justify-content: flex-end;
}

/* ===== Grid Utilities ===== */
.grid {
    display: grid;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

/* Responsive grids */
@media (max-width: 767px) {
    .grid-2-md {
        grid-template-columns: 1fr;
    }
    .grid-3-md {
        grid-template-columns: repeat(2, 1fr);
    }
    .grid-4-md {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===== Spacing Utilities ===== */
.m-0 { margin: 0 !important; }
.mt-0 { margin-top: 0 !important; }
.mr-0 { margin-right: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.ml-0 { margin-left: 0 !important; }

.m-xs { margin: var(--spacing-xs); }
.m-sm { margin: var(--spacing-sm); }
.m-md { margin: var(--spacing-md); }
.m-lg { margin: var(--spacing-lg); }
.m-xl { margin: var(--spacing-xl); }

.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.p-0 { padding: 0 !important; }
.p-xs { padding: var(--spacing-xs); }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

/* ===== Responsive Container ===== */
.responsive-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (max-width: 767px) {
    .responsive-container {
        padding: 0 var(--spacing-sm);
    }
}

/* ===== Responsive Game Board ===== */
.game-board-wrapper {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    position: relative;
}

.game-board-wrapper.aspect-ratio-1-1::before {
    content: '';
    display: block;
    padding-top: 100%;
}

.game-board-wrapper.aspect-ratio-16-9::before {
    content: '';
    display: block;
    padding-top: 56.25%;
}

.game-board-wrapper.aspect-ratio-4-3::before {
    content: '';
    display: block;
    padding-top: 75%;
}

.game-board-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* ===== Responsive Canvas ===== */
canvas {
    max-width: 100%;
    height: auto;
    display: block;
}

.canvas-container {
    position: relative;
    width: 100%;
    overflow: hidden;
}

/* ===== Touch-Friendly Buttons ===== */
.touch-button {
    min-width: 44px;
    min-height: 44px;
    padding: var(--spacing-sm) var(--spacing-md);
    touch-action: manipulation;
    user-select: none;
    -webkit-user-select: none;
    cursor: pointer;
}

.touch-button:active {
    transform: scale(0.95);
    transition: transform 0.1s ease;
}

/* ===== Responsive Tables ===== */
.responsive-table {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.responsive-table table {
    width: 100%;
    min-width: 300px;
}

/* ===== Mobile-Specific ===== */
@media (max-width: 767px) {
    .hide-mobile {
        display: none !important;
    }
    
    .mobile-full-width {
        width: 100% !important;
    }
    
    .mobile-text-center {
        text-align: center;
    }
    
    /* Stack columns on mobile */
    .mobile-stack {
        flex-direction: column !important;
    }
    
    /* Increase touch target size */
    button,
    .btn,
    a {
        min-height: 44px;
    }
}

/* Desktop-specific */
@media (min-width: 768px) {
    .hide-desktop {
        display: none !important;
    }
}

/* ===== Orientation Support ===== */
@media (orientation: landscape) and (max-height: 500px) {
    .landscape-compact {
        padding-top: var(--spacing-sm);
        padding-bottom: var(--spacing-sm);
    }
}

/* ===== Safe Area Support (iOS Notch) ===== */
@supports (padding: env(safe-area-inset-top)) {
    .safe-area-top {
        padding-top: env(safe-area-inset-top);
    }
    
    .safe-area-bottom {
        padding-bottom: env(safe-area-inset-bottom);
    }
    
    .safe-area-left {
        padding-left: env(safe-area-inset-left);
    }
    
    .safe-area-right {
        padding-right: env(safe-area-inset-right);
    }
}

/* ===== Prevent Text Selection During Gameplay ===== */
.no-select {
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

/* ===== Smooth Transitions ===== */
.transition-all {
    transition: all 0.3s ease;
}

.transition-fast {
    transition: all 0.15s ease;
}

.transition-slow {
    transition: all 0.5s ease;
}

/* ===== Loading States ===== */
.loading {
    pointer-events: none;
    opacity: 0.6;
    cursor: wait;
}

/* ===== Accessibility ===== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus visible for keyboard navigation */
*:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* ===== Print Support ===== */
@media print {
    .no-print {
        display: none !important;
    }
}

/* ===== High Contrast Mode ===== */
@media (prefers-contrast: high) {
    :root {
        --border-color: #00d4ff;
    }
}

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