/**
 * 21Million Tycoon - Gaming Theme
 * Cyberpunk/Tech Aesthetic
 */

:root {
    --bg-dark: #0a0e27;
    --bg-darker: #050814;
    --primary: #00ff88;
    --primary-glow: #00ff8844;
    --secondary: #ff0080;
    --accent: #00d4ff;
    --gold: #ffd700;
    --card-bg: rgba(15, 23, 42, 0.8);
    --card-border: rgba(0, 255, 136, 0.2);
    --text: #e2e8f0;
    --text-dim: #94a3b8;
}

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

body {
    font-family: 'Rajdhani', 'Orbitron', 'Exo 2', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Animated Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 20% 30%, var(--primary-glow) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 70%, rgba(255, 0, 128, 0.15) 0%, transparent 50%),
        linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
    z-index: -1;
    animation: bgShift 20s ease-in-out infinite alternate;
}

@keyframes bgShift {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.05); }
}

/* Grid Pattern Overlay */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 255, 136, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 136, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -1;
    pointer-events: none;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 2px solid var(--card-border);
    padding: 1rem 2rem;
    z-index: 1000;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 0 20px var(--primary-glow);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text);
    text-decoration: none;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    transition: all 0.3s;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s;
}

.nav-links a:hover {
    color: var(--primary);
}

.nav-links a:hover::after {
    width: 100%;
}

/* Buttons */
.btn {
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #00cc70 100%);
    color: var(--bg-dark);
    box-shadow: 0 10px 30px var(--primary-glow), 0 0 20px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px var(--primary-glow), 0 0 30px var(--primary-glow);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text);
    border: 2px solid var(--card-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--primary);
}

.btn-success {
    background: linear-gradient(135deg, var(--gold) 0%, #e6b800 100%);
    color: var(--bg-dark);
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.3);
}

.btn-warning {
    background: linear-gradient(135deg, var(--secondary) 0%, #cc0066 100%);
    color: white;
    box-shadow: 0 10px 30px rgba(255, 0, 128, 0.3);
}

.btn-small {
    padding: 0.6rem 1.5rem;
    font-size: 0.85rem;
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none !important;
}

/* Cards */
.card {
    background: var(--card-bg);
    border: 2px solid var(--card-border);
    border-radius: 16px;
    padding: 2rem;
    backdrop-filter: blur(20px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    position: relative;
    overflow: hidden;
    transition: all 0.3s;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    animation: scanline 3s linear infinite;
}

@keyframes scanline {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7), 0 0 30px var(--primary-glow);
}

/* Game Header */
.game-header {
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 2px solid var(--card-border);
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.game-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.game-title {
    font-size: 2rem;
    font-weight: 900;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 3px;
    text-shadow: 0 0 20px var(--primary-glow);
    margin: 0;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.wallet-address {
    font-size: 0.9rem;
    color: var(--text-dim);
    font-family: 'Courier New', monospace;
    background: rgba(0, 255, 136, 0.1);
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    border: 1px solid var(--card-border);
}

/* Balance Cards */
.balance-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.balance-card {
    background: var(--card-bg);
    border: 2px solid var(--card-border);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(20px);
}

.balance-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s;
}

.balance-card:hover::before {
    opacity: 1;
    animation: rotate 4s linear infinite;
}

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

.balance-card.gold {
    border-color: rgba(255, 215, 0, 0.3);
}

.balance-card.gold::before {
    background: radial-gradient(circle, rgba(255, 215, 0, 0.2) 0%, transparent 70%);
}

.balance-card.profit {
    border-color: rgba(0, 212, 255, 0.3);
}

.balance-card.profit::before {
    background: radial-gradient(circle, rgba(0, 212, 255, 0.2) 0%, transparent 70%);
}

.balance-label {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-dim);
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.balance-value {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 1;
    text-shadow: 0 0 20px currentColor;
}

.balance-currency {
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary);
    position: relative;
    z-index: 1;
}

/* Buildings */
.buildings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.building-card {
    background: var(--card-bg);
    border: 2px solid var(--card-border);
    border-radius: 16px;
    padding: 1.5rem;
    backdrop-filter: blur(20px);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.building-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
    opacity: 0.3;
    border-radius: 50%;
}

.building-card:hover {
    transform: translateY(-5px) scale(1.02);
    border-color: var(--primary);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7), 0 0 30px var(--primary-glow);
}

.building-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.building-name {
    font-size: 1.4rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary);
}

.building-level {
    background: linear-gradient(135deg, var(--primary) 0%, #00cc70 100%);
    color: var(--bg-dark);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 700;
    box-shadow: 0 5px 15px var(--primary-glow);
}

.building-stats {
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.building-stat {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-dim);
}

.building-stat span:last-child {
    color: var(--primary);
    font-weight: 700;
}

/* Storage Bar */
.storage-bar {
    background: rgba(0, 0, 0, 0.5);
    border-radius: 10px;
    height: 25px;
    overflow: hidden;
    margin: 1rem 0;
    position: relative;
    border: 1px solid var(--card-border);
}

.storage-fill {
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
    height: 100%;
    transition: width 0.5s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--bg-dark);
    box-shadow: 0 0 20px var(--primary-glow);
    position: relative;
}

.storage-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.3) 50%, transparent 100%);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    color: var(--primary);
}

.form-group input {
    width: 100%;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.5);
    border: 2px solid var(--card-border);
    border-radius: 8px;
    font-size: 1rem;
    color: var(--text);
    font-family: inherit;
    transition: all 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 20px var(--primary-glow);
    background: rgba(0, 0, 0, 0.7);
}

.form-help {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-dim);
}

/* Section Headers */
h2 {
    font-size: 2rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary);
    text-align: center;
    margin: 3rem 0 2rem;
    text-shadow: 0 0 20px var(--primary-glow);
}

/* Mobile */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 14, 39, 0.98);
        flex-direction: column;
        padding: 1rem 2rem;
        gap: 1rem;
        border-bottom: 2px solid var(--card-border);
    }
    
    .nav-links.mobile-open {
        display: flex;
    }
    
    .logo {
        font-size: 1.3rem;
    }
    
    .game-title {
        font-size: 1.5rem;
    }
    
    .buildings-grid {
        grid-template-columns: 1fr;
    }
    
    .balance-value {
        font-size: 2rem;
    }
}

/* Glowing Effects */
.glow {
    text-shadow: 0 0 10px currentColor, 0 0 20px currentColor, 0 0 30px currentColor;
}

/* Loading Animation */
.loading {
    text-align: center;
    padding: 3rem;
    color: var(--primary);
    font-size: 1.2rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.loading::after {
    content: '...';
    animation: dots 1.5s infinite;
}

@keyframes dots {
    0%, 20% { content: '.'; }
    40% { content: '..'; }
    60%, 100% { content: '...'; }
}