/* Battle Snakes - Modern UI Styles */

/* Font loading optimization */
@font-face {
    font-family: 'Orbitron-Fallback';
    size-adjust: 105%;
    ascent-override: 85%;
    src: local('Arial Black');
}

:root {
    --primary-color: #00ff41;
    --secondary-color: #ff4444;
    --background-dark: #0a0a0a;
    --background-card: #1a1a1a;
    --background-modal: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --border-color: #333333;
    --shadow-color: rgba(0, 255, 65, 0.3);
    --danger-color: #ff4444;
    --success-color: #00ff41;
}


.footer {
    margin-top: 20px;
    padding: 10px 0;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.8rem;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: linear-gradient(135deg, var(--background-dark) 0%, #1a1a2e 100%);
    color: var(--text-primary);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    overflow-x: hidden;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 20px;
    position: relative;
    width: 100%;
}

.header h1 {
    font-family: 'Orbitron', 'Orbitron-Fallback', 'Arial Black', sans-serif;
    font-size: 4rem;
    font-weight: 900;
    background: linear-gradient(45deg, #00ff41, #00ffff, #ff00ff, #ffff00, #00ff41);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 60px rgba(0, 255, 65, 0.5);
    margin-bottom: 10px;
    letter-spacing: 3px;
    text-transform: uppercase;
    animation: gradientShift 3s ease infinite, glow 2s ease-in-out infinite alternate;
    filter: drop-shadow(0 0 20px rgba(0, 255, 65, 0.3));
}

.header .subtitle {
    color: var(--text-secondary);
    font-size: 1.4rem;
    font-weight: 400;
    letter-spacing: 4px;
    text-transform: uppercase;
    background: linear-gradient(90deg, var(--text-secondary), var(--primary-color), var(--text-secondary));
    background-size: 200% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 3s ease-in-out infinite;
    margin-top: -5px;
}

/* Game Info Panel */
.game-info {
    display: flex !important; /* Always flex, controlled by visibility */
    gap: 20px;
    margin-bottom: 30px;
    flex-wrap: wrap;
    justify-content: center;
    max-width: 1200px;
    width: 100%;
    min-height: 120px; /* Reserve space */
}

.info-card {
    background: linear-gradient(135deg, var(--background-card) 0%, rgba(0, 255, 65, 0.05) 100%);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 20px 25px;
    min-width: 140px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.info-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, transparent, var(--primary-color), transparent);
    border-radius: 15px;
    opacity: 0;
    z-index: -1;
    transition: opacity 0.3s ease;
}

.info-card:hover {
    transform: translateY(-3px);
    border-color: var(--primary-color);
    box-shadow: 0 8px 30px var(--shadow-color);
}

.info-card:hover::before {
    opacity: 0.3;
}

.info-card .label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 600;
    opacity: 0.8;
}

.info-card .value {
    color: var(--text-primary);
    font-size: 1.8rem;
    font-weight: 800;
    font-feature-settings: 'tnum';
    font-variant-numeric: tabular-nums;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.info-card.score .value {
    background: linear-gradient(45deg, var(--primary-color), #00ffff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-flex;
    align-items: center;
    gap: 0.3em;
    filter: drop-shadow(0 0 10px rgba(0, 255, 65, 0.5));
}

.info-card.status .value {
    font-size: 1rem;
}

.info-card.players .value {
    background: linear-gradient(45deg, #ff4444, #ff8800);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 10px rgba(255, 68, 68, 0.5));
}

.info-card.support {
    text-decoration: none;
    cursor: pointer;
    background: linear-gradient(135deg, var(--background-card) 0%, rgba(255, 220, 0, 0.05) 100%);
}

.info-card.support:hover {
    background: linear-gradient(135deg, var(--background-card) 0%, rgba(255, 220, 0, 0.1) 100%);
    border-color: #FFDC00;
}

.info-card.support::before {
    background: linear-gradient(45deg, transparent, #FFDC00, transparent);
}

.info-card.support .value {
    background: linear-gradient(45deg, #FFDC00, #FFA500);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 10px rgba(255, 165, 0, 0.5));
    font-size: 1.4rem;
}

/* Game Canvas */
.game-container {
    position: relative;
    margin-bottom: 30px;
    display: flex;
    gap: 30px;
    align-items: flex-start;
    justify-content: center;
    flex-wrap: wrap;
    max-width: 1200px;
    width: 100%;
}

.game-canvas {
    background: #000000;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    transition: border-color 0.3s ease;
    flex-shrink: 0;
}

.game-canvas:hover {
    border-color: var(--primary-color);
}

/* Scoreboard */
.scoreboard {
    display: block !important; /* Always block, controlled by visibility */
    background: var(--background-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 20px;
    width: 320px;
    min-height: 600px;
    max-height: 600px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.scoreboard:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 25px var(--shadow-color);
}

.scoreboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.scoreboard-header h3 {
    color: var(--primary-color);
    margin: 0;
    font-size: 1.2rem;
}

.live-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: bold;
}

.live-dot {
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.scoreboard-content {
    max-height: 350px;
    overflow-y: auto;
}

/* Custom scrollbar for scoreboard */
.scoreboard-content::-webkit-scrollbar {
    width: 6px;
}

.scoreboard-content::-webkit-scrollbar-track {
    background: var(--background-dark);
    border-radius: 3px;
}

.scoreboard-content::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

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

/* Player entry in scoreboard */
.player-entry {
    display: flex;
    align-items: center;
    padding: 12px;
    margin-bottom: 8px;
    background: var(--background-dark);
    border-radius: 8px;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.player-entry:hover {
    background: rgba(0, 255, 65, 0.1);
    border-color: var(--primary-color);
}

.player-entry.current-player {
    background: rgba(0, 255, 65, 0.15);
    border-color: var(--primary-color);
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.2);
}

.player-rank {
    font-weight: bold;
    color: var(--primary-color);
    margin-right: 12px;
    min-width: 20px;
}

.player-rank.first {
    color: #ffd700;
}

.player-rank.second {
    color: #c0c0c0;
}

.player-rank.third {
    color: #cd7f32;
}

.player-color {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 10px;
    border: 1px solid var(--border-color);
}

.player-info {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.player-name {
    color: var(--text-primary);
    font-weight: 500;
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.player-score {
    display: inline-flex;
    align-items: center;
    gap: 0.5em;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.1rem;
    font-feature-settings: 'tnum';
    font-variant-numeric: tabular-nums;
}

.crown-icon {
    color: #ffd700;
    font-size: 1em;
    vertical-align: middle;
}

/* Empty state */
.scoreboard-empty {
    text-align: center;
    color: var(--text-secondary);
    padding: 40px 20px;
    font-style: italic;
}

/* Controls Panel */
.controls {
    background: var(--background-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 30px;
    max-width: 1200px;
    width: 100%;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.controls h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.controls p {
    margin-bottom: 10px;
    line-height: 1.6;
    color: var(--text-secondary);
}

.controls .highlight {
    color: var(--text-primary);
    font-weight: bold;
}

/* Setup Modal */
.setup-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9998;
    animation: fadeIn 0.3s ease;
}

.setup-modal.hidden {
    display: none;
}

.modal-content {
    background: var(--background-modal);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 40px;
    text-align: center;
    color: var(--text-primary);
    min-width: 400px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.3s ease;
    position: relative;
    z-index: 9999;
}

.modal-content h2 {
    margin-bottom: 30px;
    font-size: 2rem;
    color: var(--primary-color);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-group input {
    padding: 12px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--background-dark);
    color: var(--text-primary);
    width: 250px;
    text-align: center;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    position: relative;
    z-index: 10000;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--shadow-color);
}

/* Color Selector */
.color-selector {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: 15px;
}

.color-option {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.2s ease;
    position: relative;
}

.color-option:hover {
    transform: scale(1.1);
}

.color-option.selected {
    border-color: var(--text-primary);
    box-shadow: 0 0 0 2px var(--primary-color);
    transform: scale(1.1);
}

.color-info {
    margin-top: 15px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-align: center;
    line-height: 1.4;
    font-style: italic;
}

/* Join Button */
.join-button {
    background: linear-gradient(45deg, var(--primary-color), #00cc35);
    color: var(--background-dark);
    border: none;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.join-button:hover {
    background: linear-gradient(45deg, #00cc35, var(--primary-color));
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--shadow-color);
}

.join-button:active {
    transform: translateY(0);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

@keyframes slideIn {
    from { 
        transform: translateX(100%); 
        opacity: 0; 
    }
    to { 
        transform: translateX(0); 
        opacity: 1; 
    }
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes glow {
    from {
        filter: drop-shadow(0 0 20px rgba(0, 255, 65, 0.3));
    }
    to {
        filter: drop-shadow(0 0 40px rgba(0, 255, 65, 0.6)) drop-shadow(0 0 60px rgba(0, 255, 255, 0.4));
    }
}

@keyframes shimmer {
    0% { background-position: -100% 0; }
    100% { background-position: 100% 0; }
}

.pulse {
    animation: pulse 2s infinite;
}

/* Error Notification */
.error-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    background: #f44336;
    color: white;
    padding: 12px 20px;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    font-family: Arial, sans-serif;
    font-size: 14px;
    animation: slideIn 0.3s ease-out;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header h1 {
        font-size: 2rem;
    }
    
    .game-info {
        gap: 10px;
    }
    
    .info-card {
        min-width: 100px;
        padding: 10px 15px;
    }
    
    .modal-content {
        min-width: 300px;
        padding: 30px 20px;
    }
    
    .color-selector {
        gap: 10px;
    }
    
    .color-option {
        width: 35px;
        height: 35px;
    }
    
    /* Mobile scoreboard adjustments */
    .game-container {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
    
    .game-canvas {
        max-width: 100%;
        height: auto;
    }
    
    .scoreboard {
        width: 100%;
        max-width: 100%;
        min-height: 300px;
        max-height: 400px;
    }
    
    .scoreboard-content {
        max-height: 250px;
    }
    
    .controls {
        padding: 15px;
    }
}

/* Support Page Styles */
.support-container {
    max-width: 1200px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.support-header {
    text-align: center;
    animation: fadeIn 0.5s ease-out;
}

.support-header h1 {
    font-family: 'Orbitron', 'Orbitron-Fallback', monospace;
    font-size: 48px;
    font-weight: 700;
    background: linear-gradient(45deg, #FFDC00, #FFA500);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 40px rgba(255, 220, 0, 0.5);
    margin-bottom: 16px;
}

.support-header p {
    font-size: 18px;
    color: #ccc;
    max-width: 600px;
    margin: 0 auto;
}

.qr-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    width: 100%;
    animation: slideUp 0.6s ease-out 0.2s both;
}

.payment-card {
    background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    border: 2px solid transparent;
    background-clip: padding-box;
    position: relative;
    transition: all 0.3s ease;
    cursor: pointer;
}

.payment-card::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 16px;
    padding: 2px;
    background: linear-gradient(45deg, #FFDC00, #FFA500);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0.5;
    transition: opacity 0.3s ease;
}

.payment-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(255, 220, 0, 0.3);
}

.payment-card:hover::before {
    opacity: 1;
}

.payment-method {
    font-family: 'Orbitron', 'Orbitron-Fallback', monospace;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #FFDC00;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.qr-container {
    background: #ffffff;
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 20px;
    display: inline-block;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    position: relative;
    min-height: 240px;
    min-width: 240px;
}

.qr-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #666;
    font-size: 14px;
}

.qr-loading::after {
    content: '';
    display: block;
    width: 40px;
    height: 40px;
    margin: 10px auto;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #FFDC00;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.qr-code {
    width: 200px;
    height: 200px;
    display: block;
    image-rendering: crisp-edges;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.qr-code.loaded {
    opacity: 1;
}

.payment-info {
    font-size: 14px;
    color: #aaa;
    line-height: 1.6;
}

.crypto-address {
    font-family: 'Courier New', monospace;
    font-size: 11px;
    color: #888;
    margin-top: 8px;
    white-space: nowrap;
    overflow-x: auto;
    background: rgba(255, 255, 255, 0.05);
    padding: 8px;
    border-radius: 6px;
    border: 1px solid #FFDC00;
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: all;
    position: relative;
}

.crypto-address:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #FFDC00;
    border-color: #FFA500;
    transform: scale(1.02);
}

.copy-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: linear-gradient(45deg, #00ff41, #00cc33);
    color: #000;
    padding: 16px 32px;
    border-radius: 8px;
    font-weight: bold;
    box-shadow: 0 8px 24px rgba(0, 255, 65, 0.4);
    z-index: 1000;
    animation: slideInOut 2s ease-out;
}

@keyframes slideInOut {
    0% {
        opacity: 0;
        transform: translateX(100%);
    }
    20% {
        opacity: 1;
        transform: translateX(0);
    }
    80% {
        opacity: 1;
        transform: translateX(0);
    }
    100% {
        opacity: 0;
        transform: translateX(100%);
    }
}

.back-button {
    background: linear-gradient(45deg, #00ff41, #00cc33);
    color: #000;
    border: none;
    padding: 12px 32px;
    font-size: 16px;
    font-weight: bold;
    border-radius: 8px;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    animation: fadeIn 0.8s ease-out 0.4s both;
}

.back-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 255, 65, 0.4);
}

.back-button svg {
    width: 20px;
    height: 20px;
}

.coffee-emoji {
    font-size: 32px;
    margin-bottom: 20px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* Support page responsive design */
@media (max-width: 768px) {
    .support-header h1 {
        font-size: 36px;
    }
    
    .qr-grid {
        grid-template-columns: 1fr;
    }
    
    .payment-card {
        max-width: 350px;
        margin: 0 auto;
    }
}