/* ============================================
   POKER PARADISE - STYLES
   ============================================ */

/* CSS Variables - Design System */
:root {
    /* Colors */
    --midnight: #0A1628;
    --deep-ocean: #152238;
    --azure: #1E3A5F;
    --gold-accent: #D4AF37;
    --gold-light: #F0D97F;
    --sage: #8BA888;
    --cream: #F5F1E8;
    --pearl: #FFFFFF;
    --error: #E74C3C;
    --success: #52C41A;
    
    /* Typography */
    --font-display: 'Playfair Display', serif;
    --font-body: 'DM Sans', sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    
    /* Shadows */
    --shadow-soft: 0 4px 24px rgba(0, 0, 0, 0.15);
    --shadow-strong: 0 8px 32px rgba(0, 0, 0, 0.25);
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    background: var(--midnight);
    color: var(--cream);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ============================================
   AUTHENTICATION OVERLAY
   ============================================ */

.auth-overlay {
    position: fixed;
    inset: 0;
    background: linear-gradient(135deg, var(--midnight) 0%, var(--deep-ocean) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--space-md);
}

.auth-container {
    max-width: 420px;
    width: 100%;
    background: rgba(30, 58, 95, 0.3);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(212, 175, 55, 0.1);
    border-radius: 16px;
    padding: var(--space-xl);
    box-shadow: var(--shadow-strong);
}

.auth-header {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.logo {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gold-accent);
    margin-bottom: var(--space-xs);
    text-shadow: 0 2px 8px rgba(212, 175, 55, 0.3);
}

.tagline {
    font-size: 0.95rem;
    color: var(--sage);
    font-style: italic;
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

.auth-form h2 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    color: var(--pearl);
    margin-bottom: var(--space-lg);
    text-align: center;
}

.input-group {
    margin-bottom: var(--space-md);
}

.input-group input {
    width: 100%;
    padding: 0.875rem var(--space-md);
    background: rgba(10, 22, 40, 0.6);
    border: 1px solid rgba(139, 168, 136, 0.2);
    border-radius: 8px;
    color: var(--cream);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.input-group input:focus {
    outline: none;
    border-color: var(--gold-accent);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.input-group input::placeholder {
    color: var(--sage);
}

.btn {
    display: inline-block;
    padding: 0.875rem var(--space-lg);
    background: rgba(139, 168, 136, 0.2);
    color: var(--sage);
    border: 1px solid rgba(139, 168, 136, 0.3);
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    text-align: center;
}

.btn:hover {
    background: rgba(139, 168, 136, 0.3);
    transform: translateY(-2px);
    box-shadow: var(--shadow-soft);
}

.btn-primary {
    width: 100%;
    background: linear-gradient(135deg, var(--gold-accent) 0%, var(--gold-light) 100%);
    color: var(--midnight);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold-accent) 100%);
    box-shadow: 0 4px 16px rgba(212, 175, 55, 0.4);
}

.form-switch {
    text-align: center;
    margin-top: var(--space-md);
    color: var(--sage);
}

.form-switch a {
    color: var(--gold-accent);
    text-decoration: none;
    font-weight: 600;
    margin-left: var(--space-xs);
}

.form-switch a:hover {
    color: var(--gold-light);
}

.error-message {
    margin-top: var(--space-md);
    padding: var(--space-md);
    background: rgba(231, 76, 60, 0.1);
    border: 1px solid var(--error);
    border-radius: 8px;
    color: var(--error);
    text-align: center;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.error-message.show {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   MAIN APPLICATION
   ============================================ */

.main-app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main-app.hidden {
    display: none;
}

/* Header */
.app-header {
    background: rgba(21, 34, 56, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(139, 168, 136, 0.1);
    padding: var(--space-md) var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left .logo {
    font-size: 1.5rem;
    margin: 0;
}

.main-nav {
    display: flex;
    gap: var(--space-sm);
}

.nav-btn {
    padding: 0.625rem var(--space-md);
    background: transparent;
    color: var(--sage);
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-btn:hover {
    background: rgba(139, 168, 136, 0.1);
    color: var(--cream);
}

.nav-btn.active {
    background: rgba(212, 175, 55, 0.15);
    color: var(--gold-accent);
}

.balance-display {
    display: flex;
    gap: var(--space-md);
}

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

.balance-label {
    font-size: 0.75rem;
    color: var(--sage);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.balance-amount {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gold-accent);
}

.user-menu {
    position: relative;
}

.user-btn {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.625rem var(--space-md);
    background: rgba(30, 58, 95, 0.5);
    border: 1px solid rgba(139, 168, 136, 0.2);
    border-radius: 8px;
    color: var(--cream);
    cursor: pointer;
    transition: all 0.3s ease;
}

.user-btn:hover {
    background: rgba(30, 58, 95, 0.8);
    border-color: var(--gold-accent);
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background: var(--deep-ocean);
    border: 1px solid rgba(139, 168, 136, 0.2);
    border-radius: 8px;
    box-shadow: var(--shadow-strong);
    min-width: 160px;
    overflow: hidden;
}

.user-dropdown.hidden {
    display: none;
}

.user-dropdown a {
    display: block;
    padding: 0.75rem var(--space-md);
    color: var(--cream);
    text-decoration: none;
    transition: background 0.2s ease;
}

.user-dropdown a:hover {
    background: rgba(139, 168, 136, 0.1);
}

/* Main Content */
.main-content {
    flex: 1;
    padding: var(--space-lg);
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
}

.view {
    display: none;
}

.view.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

/* Lobby View */
.lobby-hero {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.lobby-hero h2 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    color: var(--pearl);
    margin-bottom: var(--space-sm);
}

.lobby-hero p {
    font-size: 1.125rem;
    color: var(--sage);
    font-style: italic;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.stat-card {
    background: rgba(30, 58, 95, 0.3);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(139, 168, 136, 0.1);
    border-radius: 12px;
    padding: var(--space-lg);
    text-align: center;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-soft);
    border-color: var(--gold-accent);
}

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gold-accent);
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--sage);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.featured-section {
    margin-top: var(--space-xl);
}

.featured-section h3 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    color: var(--pearl);
    margin-bottom: var(--space-md);
}

/* View Header */
.view-header {
    margin-bottom: var(--space-lg);
}

.view-header h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--pearl);
    margin-bottom: var(--space-md);
}

.filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.filter-btn {
    padding: 0.5rem var(--space-md);
    background: rgba(30, 58, 95, 0.4);
    color: var(--sage);
    border: 1px solid rgba(139, 168, 136, 0.2);
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    background: rgba(30, 58, 95, 0.6);
    border-color: var(--gold-accent);
}

.filter-btn.active {
    background: rgba(212, 175, 55, 0.2);
    color: var(--gold-accent);
    border-color: var(--gold-accent);
}

/* Table Grid (Cash Games) */
.table-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-md);
}

.table-card {
    background: rgba(30, 58, 95, 0.4);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(139, 168, 136, 0.15);
    border-radius: 12px;
    padding: var(--space-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.table-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-soft);
    border-color: var(--gold-accent);
}

/* Tournament Table */
.tournament-table-container {
    background: rgba(30, 58, 95, 0.3);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(139, 168, 136, 0.1);
    border-radius: 12px;
    overflow: hidden;
}

.tournament-table {
    width: 100%;
    border-collapse: collapse;
}

.tournament-table thead {
    background: rgba(10, 22, 40, 0.6);
}

.tournament-table th {
    padding: var(--space-md);
    text-align: left;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--sage);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid rgba(139, 168, 136, 0.1);
}

.tournament-table tbody tr {
    border-bottom: 1px solid rgba(139, 168, 136, 0.05);
    transition: background 0.2s ease;
}

.tournament-table tbody tr:hover {
    background: rgba(139, 168, 136, 0.05);
}

.tournament-table td {
    padding: var(--space-md);
    font-size: 0.95rem;
}

.tournament-table td:last-child {
    text-align: right;
}

.status-badge {
    display: inline-block;
    white-space: nowrap;
}

.empty-state {
    padding: var(--space-xl);
    text-align: center;
}

/* Loading Spinner */
.loading-spinner {
    position: fixed;
    inset: 0;
    background: rgba(10, 22, 40, 0.95);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(212, 175, 55, 0.2);
    border-top-color: var(--gold-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-spinner p {
    margin-top: var(--space-md);
    color: var(--sage);
    font-size: 1.125rem;
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
    .app-header {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .header-center {
        order: -1;
    }
    
    .main-nav {
        width: 100%;
        justify-content: center;
    }
    
    .nav-btn {
        flex: 1;
        padding: 0.5rem;
        font-size: 0.85rem;
    }
    
    .balance-display {
        font-size: 0.875rem;
    }
    
    .lobby-hero h2 {
        font-size: 1.75rem;
    }
    
    .table-grid {
        grid-template-columns: 1fr;
    }
    
    .tournament-table-container {
        overflow-x: auto;
    }
    
    .tournament-table {
        min-width: 800px;
    }
    
    .tournament-table th,
    .tournament-table td {
        padding: var(--space-sm);
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: var(--space-md);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .filters {
        gap: 0.375rem;
    }
    
    .filter-btn {
        padding: 0.375rem 0.75rem;
        font-size: 0.8rem;
    }
}