/* ===================================
   LEMMINGS PWA - STYLES
   Cartoon colorful theme for tablet
   =================================== */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Fredoka:wght@400;500;600;700&family=Bangers&display=swap');

/* ===== CSS Variables ===== */
:root {
    /* Primary Colors - Vibrant Cartoon Palette */
    --color-primary: #6c3ce9;
    --color-primary-dark: #4a2ab3;
    --color-primary-light: #9d7aff;
    
    --color-secondary: #ff6b9d;
    --color-secondary-dark: #e04d7a;
    
    --color-accent: #00e5a0;
    --color-accent-dark: #00b87d;
    
    --color-warning: #ffb830;
    --color-danger: #ff4757;
    
    /* Background Colors */
    --bg-dark: #2d1b4e;
    --bg-darker: #1a0f2e;
    --bg-gradient: linear-gradient(135deg, #2d1b4e 0%, #4a2875 50%, #6b3fa0 100%);
    
    /* UI Colors */
    --ui-bg: rgba(45, 27, 78, 0.95);
    --ui-border: rgba(157, 122, 255, 0.3);
    --ui-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #b8a8d9;
    --text-muted: #7a6a9a;
    
    /* Game Colors */
    --lemming-body: #5ce1e6;
    --lemming-hair: #7bed9f;
    --terrain-grass: #7bed9f;
    --terrain-dirt: #c9a66b;
    --terrain-rock: #8b7355;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 50%;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    touch-action: none;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}

body {
    font-family: 'Fredoka', sans-serif;
    background: var(--bg-gradient);
    color: var(--text-primary);
    position: relative;
}

/* ===== Screen Management ===== */
.screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.screen.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 15, 46, 0.9);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* ===== Loading Screen ===== */
#loading-screen {
    background: var(--bg-gradient);
    z-index: 9999;
}

.loader {
    text-align: center;
}

.lemming-loader {
    width: 60px;
    height: 60px;
    background: var(--lemming-body);
    border-radius: 50% 50% 45% 45%;
    margin: 0 auto var(--spacing-lg);
    position: relative;
    animation: bounce 0.6s ease-in-out infinite;
}

.lemming-loader::before {
    content: '';
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 20px;
    background: var(--lemming-hair);
    border-radius: 50% 50% 30% 30%;
}

.lemming-loader::after {
    content: '';
    position: absolute;
    top: 15px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 8px;
    background: var(--bg-darker);
    border-radius: 50%;
    display: flex;
    justify-content: space-around;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.loader p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ===== Main Menu ===== */
.menu-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-gradient);
    overflow: hidden;
}

.menu-background::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 70%, rgba(108, 60, 233, 0.3) 0%, transparent 50%),
                radial-gradient(circle at 70% 30%, rgba(255, 107, 157, 0.2) 0%, transparent 50%),
                radial-gradient(circle at 50% 50%, rgba(0, 229, 160, 0.1) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(2%, 2%) rotate(2deg); }
    50% { transform: translate(0, 4%) rotate(0deg); }
    75% { transform: translate(-2%, 2%) rotate(-2deg); }
}

.menu-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--spacing-xl);
}

.game-title {
    font-family: 'Bangers', cursive;
    font-size: clamp(3rem, 10vw, 6rem);
    letter-spacing: 0.1em;
    color: var(--text-primary);
    text-shadow: 
        4px 4px 0 var(--color-secondary),
        8px 8px 0 var(--color-primary-dark),
        12px 12px 20px rgba(0, 0, 0, 0.5);
    margin-bottom: var(--spacing-xl);
    animation: titlePop 0.8s ease-out;
}

@keyframes titlePop {
    0% { transform: scale(0.5); opacity: 0; }
    70% { transform: scale(1.1); }
    100% { transform: scale(1); opacity: 1; }
}

.menu-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-width: 300px;
    margin: 0 auto var(--spacing-xl);
}

/* ===== Buttons ===== */
.menu-btn {
    font-family: 'Fredoka', sans-serif;
    font-size: 1.2rem;
    font-weight: 600;
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-fast);
    background: var(--ui-bg);
    color: var(--text-primary);
    border: 2px solid var(--ui-border);
    box-shadow: var(--ui-shadow);
}

.menu-btn:hover, .menu-btn:focus {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.5);
}

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

.menu-btn.primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-color: var(--color-primary-light);
}

.menu-btn.primary:hover {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
}

.btn-icon {
    font-size: 1.4rem;
}

.version {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ===== Tutorial Screen ===== */
.tutorial-content {
    background: var(--ui-bg);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    border: 2px solid var(--ui-border);
    box-shadow: var(--ui-shadow);
}

.tutorial-content h2 {
    font-family: 'Bangers', cursive;
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-accent);
}

.tutorial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.tutorial-item {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    transition: transform var(--transition-fast);
}

.tutorial-item:hover {
    transform: scale(1.05);
}

.tutorial-item h3 {
    color: var(--color-secondary);
    margin: var(--spacing-sm) 0;
}

.tutorial-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.tutorial-controls {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.tutorial-controls h3 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.tutorial-controls ul {
    list-style: none;
    color: var(--text-secondary);
}

.tutorial-controls li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
}

.tutorial-controls li::before {
    content: '•';
    color: var(--color-primary-light);
    position: absolute;
    left: 0;
}

/* ===== Ability Icons ===== */
.ability-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.digger-icon {
    background: linear-gradient(135deg, #c9a66b 0%, #8b7355 100%);
}

.digger-icon::after {
    content: '⛏';
    font-size: 1.5rem;
}

.builder-icon {
    background: linear-gradient(135deg, #ffd93d 0%, #ff9500 100%);
}

.builder-icon::after {
    content: '🔨';
    font-size: 1.5rem;
}

.blocker-icon {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
}

.blocker-icon::after {
    content: '✋';
    font-size: 1.5rem;
}

.floater-icon {
    background: linear-gradient(135deg, #74b9ff 0%, #0984e3 100%);
}

.floater-icon::after {
    content: '☂';
    font-size: 1.5rem;
}

/* ===== Game Screen ===== */
#game-screen {
    background: #1a0f2e;
}

#game-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    touch-action: none;
}

/* ===== Game UI ===== */
#game-ui {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: var(--spacing-sm);
}

#top-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    pointer-events: auto;
    background: var(--ui-bg);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    backdrop-filter: blur(10px);
    border: 1px solid var(--ui-border);
}

.stat-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 var(--spacing-md);
    border-right: 1px solid var(--ui-border);
}

.stat-box:last-of-type {
    border-right: none;
}

.stat-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.stat-value {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-accent);
}

.time-box .stat-value {
    color: var(--color-warning);
    font-variant-numeric: tabular-nums;
}

.ui-btn {
    width: 44px;
    height: 44px;
    border: none;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-left: auto;
}

.ui-btn:first-of-type {
    margin-left: auto;
}

.ui-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.ui-btn:active {
    transform: scale(0.95);
}

.ui-btn.active {
    background: var(--color-primary);
}

/* ===== Ability Bar ===== */
#ability-bar {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    pointer-events: auto;
    background: var(--ui-bg);
    border-radius: var(--radius-lg);
    padding: var(--spacing-sm) var(--spacing-md);
    backdrop-filter: blur(10px);
    border: 1px solid var(--ui-border);
    align-self: center;
}

.ability-btn {
    width: 70px;
    height: 70px;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.05);
    cursor: pointer;
    position: relative;
    transition: all var(--transition-fast);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
}

.ability-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

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

.ability-btn.selected {
    border-color: var(--color-accent);
    background: rgba(0, 229, 160, 0.2);
    box-shadow: 0 0 20px rgba(0, 229, 160, 0.3);
}

.ability-btn.disabled {
    opacity: 0.4;
    pointer-events: none;
}

.ability-btn .ability-icon {
    width: 40px;
    height: 40px;
}

.ability-count {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* ===== Overlay Content ===== */
.overlay-content {
    background: var(--ui-bg);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    min-width: 300px;
    border: 2px solid var(--ui-border);
    box-shadow: var(--ui-shadow);
    animation: popIn 0.3s ease-out;
}

@keyframes popIn {
    0% { transform: scale(0.8); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

.overlay-content h2 {
    font-family: 'Bangers', cursive;
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-accent);
}

.overlay-content .menu-btn {
    width: 100%;
    margin-bottom: var(--spacing-sm);
}

.overlay-content .menu-btn:last-child {
    margin-bottom: 0;
}

/* Victory styling */
.overlay-content.victory h2 {
    color: var(--color-warning);
}

.results {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.results p {
    margin: var(--spacing-xs) 0;
    color: var(--text-secondary);
}

.results span {
    color: var(--color-accent);
    font-weight: 700;
}

.result-status {
    font-size: 1.3rem;
    font-weight: 700;
    margin-top: var(--spacing-md) !important;
}

.result-status.victory {
    color: var(--color-accent) !important;
}

.result-status.defeat {
    color: var(--color-danger) !important;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .game-title {
        font-size: 3rem;
    }
    
    #ability-bar {
        padding: var(--spacing-xs);
        gap: var(--spacing-xs);
    }
    
    .ability-btn {
        width: 60px;
        height: 60px;
    }
    
    .ability-btn .ability-icon {
        width: 35px;
        height: 35px;
    }
    
    .stat-box {
        padding: 0 var(--spacing-sm);
    }
    
    .stat-value {
        font-size: 1rem;
    }
}

@media (max-height: 500px) {
    #top-bar {
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .ability-btn {
        width: 55px;
        height: 55px;
    }
}

/* ===== Animations for game elements ===== */
@keyframes sparkle {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Selection highlight animation */
.lemming-selected {
    animation: selectedPulse 0.5s ease-in-out infinite;
}

@keyframes selectedPulse {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.5); }
}