/* Variables CSS */
:root {
    --primary-color: #1e3a8a;
    --primary-dark: #1e40af;
    --secondary-color: #3b82f6;
    --accent-color: #60a5fa;
    --bg-dark: #0f172a;
    --bg-darker: #020617;
    --bg-card: #1e293b;
    --bg-card-hover: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    --border-color: #334155;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

.navbar {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent-color);
}

.dice-icon {
    font-size: 2rem;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-color);
    background: var(--bg-card-hover);
}

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

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

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--accent-color);
}

.user-name {
    font-weight: 500;
    color: var(--text-primary);
}

.balance-display {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-card-hover);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
}

.balance-icon {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--accent-color);
}

.balance-amount {
    font-size: 1.1rem;
    font-weight: bold;
    color: var(--success-color);
}

.balance-currency {
    color: var(--text-secondary);
}

.balance-crypto {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.btn-primary,
.btn-secondary,
.btn-login {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-card);
    border-color: var(--accent-color);
}

.btn-login {
    background: var(--secondary-color);
    color: white;
}

.login-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.login-container {
    width: 100%;
    max-width: 500px;
}

.login-card {
    background: var(--bg-card);
    border-radius: 1rem;
    padding: 3rem;
    text-align: center;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.login-card h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.telegram-login,
.manual-login {
    margin-top: 2rem;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 1rem auto;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.section {
    display: none;
}

.section.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.container {
    width: 100%;
}

h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--accent-color);
}

.hero {
    text-align: center;
    margin-bottom: 3rem;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: var(--bg-card);
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
}

.stat-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: bold;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.info-box,
.commission-info {
    background: var(--bg-card);
    border-radius: 1rem;
    padding: 2rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
}

.info-box h3,
.commission-info h3 {
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.info-box ol {
    margin-left: 1.5rem;
    color: var(--text-secondary);
}

.info-box li {
    margin-bottom: 0.5rem;
}

.example-box {
    background: var(--bg-card-hover);
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin-top: 1rem;
    border-left: 4px solid var(--accent-color);
}

.example-box ul {
    margin-top: 0.5rem;
    margin-left: 1.5rem;
}

.example-box li {
    margin-bottom: 0.25rem;
    color: var(--text-secondary);
}

.wallet-card {
    background: var(--bg-card);
    border-radius: 1rem;
    padding: 2rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.wallet-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

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

.wallet-balance {
    text-align: center;
    margin-bottom: 2rem;
}

.balance-main {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.balance-icon-large {
    font-size: 3rem;
    font-weight: bold;
    color: var(--accent-color);
}

.balance-large {
    font-size: 3.5rem;
    font-weight: bold;
    color: var(--success-color);
}

.balance-currency-large {
    font-size: 2rem;
    color: var(--text-secondary);
}

.balance-equivalent {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.wallet-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.transactions-section {
    background: var(--bg-card);
    border-radius: 1rem;
    padding: 2rem;
    border: 1px solid var(--border-color);
}

.transactions-list {
    margin-top: 1rem;
}

.transaction-item {
    background: var(--bg-card-hover);
    border-radius: 0.5rem;
    padding: 1rem;
    margin-bottom: 0.5rem;
    border-left: 4px solid var(--accent-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.transaction-type {
    font-weight: 500;
}

.transaction-amount {
    font-weight: bold;
    font-size: 1.1rem;
}

.transaction-amount.positive {
    color: var(--success-color);
}

.transaction-amount.negative {
    color: var(--error-color);
}

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

.game-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.challenge-section,
.challenges-received,
.game-room {
    background: var(--bg-card);
    border-radius: 1rem;
    padding: 2rem;
    border: 1px solid var(--border-color);
}

.challenge-section h3,
.challenges-received h3,
.game-room h3 {
    margin-bottom: 1.5rem;
    color: var(--accent-color);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: 0.75rem;
    background: var(--bg-card-hover);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    color: var(--text-primary);
    font-size: 1rem;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.1);
}

.bet-info {
    background: var(--bg-card-hover);
    border-radius: 0.5rem;
    padding: 1rem;
    margin-top: 1rem;
    border-left: 4px solid var(--warning-color);
}

.bet-info p {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.challenges-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.challenge-item {
    background: var(--bg-card-hover);
    border-radius: 0.5rem;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.challenge-info {
    flex: 1;
}

.challenge-actions {
    display: flex;
    gap: 0.5rem;
}

.player-info {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.player-card {
    text-align: center;
    background: var(--bg-card-hover);
    border-radius: 1rem;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
}

.player-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px solid var(--accent-color);
    margin-bottom: 1rem;
}

.player-name {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.player-bet {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.vs-divider {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent-color);
}

.game-stats {
    text-align: center;
    background: var(--bg-card-hover);
    border-radius: 0.5rem;
    padding: 1rem;
    margin-bottom: 2rem;
}

.game-stats p {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.dice-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.dice-wrapper {
    text-align: center;
}

.dice-wrapper h4 {
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.dice-canvas {
    width: 100%;
    height: 300px;
    background: var(--bg-card-hover);
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.dice-result {
    margin-top: 1rem;
    font-size: 2rem;
    font-weight: bold;
    color: var(--accent-color);
}

.game-actions {
    text-align: center;
}

.game-result {
    margin-top: 2rem;
    padding: 2rem;
    background: var(--bg-card-hover);
    border-radius: 1rem;
    border: 2px solid var(--accent-color);
}

.game-result.win {
    border-color: var(--success-color);
    background: rgba(16, 185, 129, 0.1);
}

.game-result.loss {
    border-color: var(--error-color);
    background: rgba(239, 68, 68, 0.1);
}

.game-result.draw {
    border-color: var(--warning-color);
    background: rgba(245, 158, 11, 0.1);
}

.games-history {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.game-history-item {
    background: var(--bg-card);
    border-radius: 1rem;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: 3rem;
    font-style: italic;
}

.footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: 2rem;
    text-align: center;
    color: var(--text-secondary);
    margin-top: 4rem;
}

.admin-link {
    color: var(--accent-color);
    text-decoration: none;
}

.admin-link:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
    }

    .nav-links {
        width: 100%;
        justify-content: center;
    }

    .user-info {
        width: 100%;
        justify-content: center;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .balance-large {
        font-size: 2.5rem;
    }

    .dice-container {
        grid-template-columns: 1fr;
    }

    .player-info {
        flex-direction: column;
    }
}

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

.pulse {
    animation: pulse 2s ease-in-out infinite;
}