/* Main Styles for Web3 Tournament Platform */

/* Base Styles */
:root {
    /* Color Palette */
    --primary-color: #6c5ce7;
    --secondary-color: #00cec9;
    --accent-color: #fdcb6e;
    --background-color: #f8f9fa;
    --card-bg-color: #ffffff;
    --text-primary: #2d3436;
    --text-secondary: #636e72;
    --text-light: #b2bec3;
    --success-color: #00b894;
    --warning-color: #fdcb6e;
    --danger-color: #d63031;
    --border-color: #dfe6e9;
    
    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Poppins', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    /* Border Radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 20px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.15);
}

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

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-color);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: color 0.3s ease;
}

a:hover {
    color: var(--secondary-color);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* Container */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
.header {
    background-color: var(--card-bg-color);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 40px;
    margin-right: var(--spacing-sm);
}

.logo h1 {
    font-size: 1.5rem;
    margin-bottom: 0;
    color: var(--primary-color);
}

.main-nav ul {
    display: flex;
    gap: var(--spacing-lg);
}

.main-nav a {
    color: var(--text-secondary);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-md);
    transition: all 0.3s ease;
}

.main-nav a:hover, .main-nav a.active {
    color: var(--primary-color);
    background-color: rgba(108, 92, 231, 0.1);
}

.user-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.user-balance {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

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

.balance-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.user-profile img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.username {
    font-weight: 500;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: var(--spacing-xl);
}

/* Welcome Banner */
.welcome-banner {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    color: white;
    display: flex;
    align-items: center;
    overflow: hidden;
    position: relative;
}

.banner-content {
    flex: 1;
    z-index: 1;
}

.banner-content h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.banner-content p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

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

.banner-image {
    flex: 1;
    display: flex;
    justify-content: flex-end;
}

.banner-image img {
    max-height: 250px;
    filter: drop-shadow(0 10px 15px rgba(0, 0, 0, 0.2));
}

/* Section Styles */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.section-header h2 {
    font-size: 1.8rem;
    margin-bottom: 0;
}

.section-controls {
    display: flex;
    gap: var(--spacing-sm);
}

.section-footer {
    margin-top: var(--spacing-xl);
    display: flex;
    justify-content: center;
}

/* Tournament Section */
.tournaments-section {
    margin-bottom: var(--spacing-xxl);
}

.tournaments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.tournament-card {
    background-color: var(--card-bg-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.tournament-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.tournament-card.premium {
    border: 2px solid var(--accent-color);
}

.tournament-header {
    padding: var(--spacing-md);
    position: relative;
    background: linear-gradient(to right, rgba(108, 92, 231, 0.1), rgba(0, 206, 201, 0.1));
}

.tournament-status {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
}

.tournament-status.live {
    background-color: var(--danger-color);
    color: white;
}

.tournament-status.upcoming {
    background-color: var(--warning-color);
    color: var(--text-primary);
}

.tournament-status.registration {
    background-color: var(--success-color);
    color: white;
}

.tournament-header h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xs);
    padding-right: 80px;
}

.tournament-details {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.detail-item {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.detail-item i {
    color: var(--primary-color);
    margin-right: var(--spacing-sm);
    width: 20px;
    text-align: center;
}

.tournament-footer {
    padding: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.entry-fee {
    font-weight: 600;
    color: var(--accent-color);
}

/* Leaderboard Section */
.leaderboard-section {
    margin-bottom: var(--spacing-xxl);
}

.leaderboard-table {
    background-color: var(--card-bg-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.leaderboard-header {
    display: grid;
    grid-template-columns: 0.5fr 2fr 1fr 1fr 1fr;
    padding: var(--spacing-md);
    background-color: rgba(108, 92, 231, 0.1);
    font-weight: 600;
    color: var(--primary-color);
}

.leaderboard-row {
    display: grid;
    grid-template-columns: 0.5fr 2fr 1fr 1fr 1fr;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    align-items: center;
}

.leaderboard-row:last-child {
    border-bottom: none;
}

.leaderboard-row.top-player {
    background-color: rgba(253, 203, 110, 0.1);
}

.leaderboard-row.current-user {
    background-color: rgba(0, 206, 201, 0.1);
}

.player-column {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.player-column img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.rank-column {
    font-weight: 700;
}

.score-column {
    font-weight: 600;
    color: var(--primary-color);
}

/* Monetization Section */
.monetization-section {
    margin-bottom: var(--spacing-xxl);
}

.monetization-section .section-header {
    text-align: center;
    flex-direction: column;
}

.monetization-section .section-header p {
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

.monetization-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.monetization-card {
    background-color: var(--card-bg-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: transform 0.3s ease;
}

.monetization-card:hover {
    transform: translateY(-5px);
}

.card-header {
    padding: var(--spacing-md);
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    color: white;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.card-header i {
    font-size: 1.5rem;
}

.card-header h3 {
    margin-bottom: 0;
}

.card-content {
    padding: var(--spacing-lg);
}

.card-content p {
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
}

/* Ad Options */
.ad-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.ad-option {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    background-color: rgba(108, 92, 231, 0.05);
    border: 1px solid var(--border-color);
}

.ad-name {
    font-weight: 500;
}

.ad-reward {
    color: var(--success-color);
    font-weight: 600;
}

/* Withdrawal Options */
.balance-display {
    background-color: rgba(253, 203, 110, 0.1);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.balance-display .balance-amount {
    font-size: 1.5rem;
}

.withdrawal-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.withdrawal-option {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    background-color: rgba(108, 92, 231, 0.05);
    border: 1px solid var(--border-color);
}

.withdrawal-option i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

/* NFT Gallery */
.nft-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-md);
}

.nft-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--spacing-sm);
}

.nft-item img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
}

.nft-name {
    font-weight: 500;
    font-size: 0.9rem;
}

.nft-item.locked {
    opacity: 0.6;
}

.nft-item.locked img {
    filter: grayscale(1);
}

/* Footer */
.footer {
    background-color: var(--card-bg-color);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
    padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-md);
    margin-top: auto;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-logo img {
    height: 40px;
}

.footer-logo h3 {
    margin-bottom: 0;
    color: var(--primary-color);
}

.footer-links {
    display: flex;
    gap: var(--spacing-xxl);
}

.link-group h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
}

.link-group ul li {
    margin-bottom: var(--spacing-sm);
}

.link-group ul li a {
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.link-group ul li a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-family: var(--font-body);
    font-size: 0.9rem;
}

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

.btn-primary:hover {
    background-color: #5a49e0;
    color: white;
}

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

.btn-secondary:hover {
    background-color: #00b5b1;
    color: white;
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.btn-outline:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-outline.active {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background-color: rgba(108, 92, 231, 0.1);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
}

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
}

/* Authentication Modal */
.auth-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    display: none;
}

.modal-content {
    background-color: var(--card-bg-color);
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-xl);
}

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

.modal-header h3 {
    margin-bottom: 0;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
}

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

.auth-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.divider {
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--text-light);
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--border-color);
}

.divider span {
    padding: 0 var(--spacing-md);
}

/* Responsive Styles */
@media (max-width: 992px) {
    .welcome-banner {
        flex-direction: column;
        text-align: center;
    }
    
    .banner-buttons {
        justify-content: center;
    }
    
    .banner-image {
        margin-top: var(--spacing-lg);
        justify-content: center;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-xl);
    }
    
    .footer-links {
        flex-wrap: wrap;
        gap: var(--spacing-xl);
    }
}

@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .main-nav ul {
        gap: var(--spacing-sm);
    }
    
    .main-nav a {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.9rem;
    }
    
    .leaderboard-header, .leaderboard-row {
        grid-template-columns: 0.5fr 2fr 1fr 0.5fr;
    }
    
    .winrate-column {
        display: none;
    }
}

@media (max-width: 576px) {
    .main-content {
        padding: var(--spacing-md);
    }
    
    .banner-content h2 {
        font-size: 1.8rem;
    }
    
    .banner-content p {
        font-size: 1rem;
    }
    
    .tournaments-grid {
        grid-template-columns: 1fr;
    }
    
    .leaderboard-header, .leaderboard-row {
        grid-template-columns: 0.5fr 2fr 1fr;
    }
    
    .tournaments-column {
        display: none;
    }
    
    .monetization-grid {
        grid-template-columns: 1fr;
    }
}