/* Digger Game - Main Stylesheet */
/* Mobile-first design following cozy game principles */

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

:root {
    /* Color Palette - Warm, earthy tones with vibrant gem highlights */
    --color-background: #f5f1e6;
    --color-surface: #e6dfcf;
    --color-primary: #8b7355;
    --color-secondary: #5a8a72;
    --color-accent: #c86558;
    --color-text: #3a3226;
    --color-gem-blue: #5290c3;
    --color-gem-purple: #9b6dbb;
    --color-gem-green: #61b877;
    --color-gem-red: #d8585b;

    /* Spacing Variables */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;

    /* Size Variables */
    --touch-target-min: 44px; /* Minimum size for touch targets */
    --border-radius: 12px;
    --modal-width: 90%;
    --grid-cell-size: 60px;
}

html, body {
    font-family: 'Arial', sans-serif;
    height: 100%;
    width: 100%;
    background-color: var(--color-background);
    color: var(--color-text);
    overflow: hidden;
    touch-action: manipulation; /* Improves touch responsiveness */
}

/* Game Container */
.game-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    max-width: 100%;
    margin: 0 auto;
    padding: var(--spacing-sm);
}

/* Header Styles */
.game-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
    background-color: var(--color-surface);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: relative;
}

.game-title {
    font-size: 1.5rem;
    color: var(--color-primary);
}

.resource-display {
    display: flex;
    gap: var(--spacing-md);
}

.resource-counter {
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* Main Game Area Styles */
.game-area {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    background-color: var(--color-surface);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.digging-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    grid-template-rows: repeat(5, 1fr);
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    width: 100%;
    height: 100%;
    max-width: 500px;
    max-height: 500px;
}

.grid-cell {
    background-color: var(--color-primary);
    border-radius: 8px;
    min-height: var(--touch-target-min);
    min-width: var(--touch-target-min);
    height: var(--grid-cell-size);
    width: var(--grid-cell-size);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    user-select: none;
    transition: background-color 0.2s, transform 0.1s;
    box-shadow: inset 0 -4px 0 rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
    font-size: 1.5rem;
}

.grid-cell:active {
    transform: translateY(2px);
    box-shadow: inset 0 -2px 0 rgba(0, 0, 0, 0.2);
}

.grid-cell::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle, transparent 30%, rgba(0,0,0,0.1) 100%);
    opacity: 0;
    transition: opacity 0.2s;
}

.grid-cell:active::after {
    opacity: 1;
}

/* Controls Section */
.game-controls {
    display: flex;
    justify-content: space-around;
    padding: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.control-button {
    background-color: var(--color-secondary);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    min-height: var(--touch-target-min);
    min-width: var(--touch-target-min);
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
    box-shadow: 0 3px 0 rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.control-button:active {
    transform: translateY(2px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.2);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    justify-content: center;
    align-items: center;
    z-index: 10;
}

.modal-content {
    background-color: var(--color-surface);
    border-radius: var(--border-radius);
    width: var(--modal-width);
    max-width: 500px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-primary);
}

.modal-header h2 {
    color: var(--color-primary);
    font-size: 1.3rem;
}

.close-button {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text);
    min-height: var(--touch-target-min);
    min-width: var(--touch-target-min);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-body {
    padding: var(--spacing-md);
}

/* Notification Area */
.notification-area {
    position: fixed;
    bottom: var(--spacing-lg);
    left: 0;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    pointer-events: none;
    z-index: 5;
}

.notification {
    background-color: var(--color-surface);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    max-width: 90%;
    opacity: 0;
    transform: translateY(20px);
    animation: notification-appear 0.3s forwards, notification-disappear 0.3s 2.7s forwards;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

@keyframes notification-appear {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes notification-disappear {
    to {
        opacity: 0;
        transform: translateY(-20px);
    }
}

/* Inventory and Shop Styles */
.inventory-section,
.shop-section {
    margin-bottom: var(--spacing-lg);
}

.inventory-section h3,
.shop-section h3 {
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.resources-list,
.items-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: var(--spacing-md);
}

.info-button {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: white;
    font-size: 1.2rem;
    font-weight: bold;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s, transform 0.1s;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    min-height: var(--touch-target-min);
    min-width: var(--touch-target-min);
}

.info-button:hover {
    background-color: var(--color-accent);
}

.info-button:active {
    transform: scale(0.95);
}

.info-section {
    margin-bottom: var(--spacing-lg);
}

.info-section h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.info-section p {
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.info-section a {
    color: var(--color-gem-blue);
    text-decoration: none;
    font-weight: bold;
    transition: color 0.2s;
}

.info-section a:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

.stats-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.stat-item {
    display: flex;
    justify-content: space-between;
    background-color: var(--color-background);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
}

.inventory-item {
    background-color: var(--color-background);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    min-height: var(--touch-target-min);
}

.item-icon {
    font-size: 1.5rem;
}

/* Cell breaking and animation effects */
.broken {
    background-color: var(--color-surface) !important;
}

.gem-reveal,
.resource-reveal {
    animation: reveal 0.5s forwards;
    opacity: 0;
    transform: scale(0);
    display: inline-block;
    font-size: 1.8rem;
    z-index: 2;
}

.cell-particles {
    position: absolute;
    pointer-events: none;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.particle {
    position: absolute;
    width: 6px;
    height: 6px;
    background-color: var(--color-primary);
    border-radius: 50%;
    opacity: 0.7;
}

/* Responsive design */
/* Tablets (portrait) */
@media (min-width: 600px) {
    :root {
        --grid-cell-size: 70px;
    }

    .game-title {
        font-size: 1.8rem;
    }

    .control-button {
        font-size: 1.1rem;
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .digging-grid {
        grid-template-columns: repeat(5, var(--grid-cell-size));
        grid-template-rows: repeat(5, var(--grid-cell-size));
    }
}

/* Larger tablets and desktops */
@media (min-width: 900px) {
    :root {
        --grid-cell-size: 80px;
        --modal-width: 60%;
    }

    .game-container {
        max-width: 900px;
        padding: var(--spacing-md);
    }

    .game-title {
        font-size: 2rem;
    }

    .digging-grid {
        gap: var(--spacing-sm);
    }
}

/* Touch optimization - increase all touch targets */
@media (max-width: 480px) {
    .control-button {
        padding: var(--spacing-md) var(--spacing-sm);
        min-width: calc(var(--touch-target-min) * 1.2);
    }

    .close-button {
        font-size: 2rem;
    }
}