/**
 * TeleWorld Wallet Frontend - World-Class UI/UX Styles
 * Modern, responsive, and beautiful wallet interface
 * Version: 2.0.0
 */

:root {
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --primary-light: #eef2ff;
    --secondary-color: #8b5cf6;
    --success-color: #10b981;
    --success-light: #d1fae5;
    --warning-color: #f59e0b;
    --warning-light: #fef3c7;
    --danger-color: #ef4444;
    --danger-light: #fee2e2;
    --info-color: #3b82f6;
    --info-light: #dbeafe;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --text-tertiary: #9ca3af;
    
    --border-color: #e5e7eb;
    --border-radius: 16px;
    --border-radius-sm: 12px;
    --border-radius-lg: 24px;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #1f2937;
        --bg-secondary: #111827;
        --bg-tertiary: #0f172a;
        
        --text-primary: #f9fafb;
        --text-secondary: #d1d5db;
        --text-tertiary: #9ca3af;
        
        --border-color: #374151;
    }
}

/* Container and Layout */
.teleworld-wallet-container.modern-wallet {
    max-width: 1400px;
    margin: 0 auto;
    padding: 32px 24px;
    background: var(--bg-secondary);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    min-height: 100vh;
}

/* Wallet Header */
.wallet-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: var(--border-radius-lg);
    padding: 48px;
    margin-bottom: 32px;
    color: white;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.wallet-header::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.wallet-header-content {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 24px;
}

.wallet-branding h2 {
    margin: 0 0 12px 0;
    font-size: 32px;
    font-weight: 700;
    color: white;
    letter-spacing: -0.02em;
}

.wallet-subtitle {
    font-size: 16px;
    color: rgba(255,255,255,0.9);
    margin: 0 0 16px 0;
}

.account-type {
    display: inline-block;
}

.account-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-sm);
    font-size: 14px;
    font-weight: 600;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.account-badge::before {
    content: '⭐';
}

.wallet-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

/* Button Styles */
.wallet-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    background: white;
    color: var(--primary-color);
}

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

.wallet-btn.secondary {
    background: rgba(255,255,255,0.2);
    color: white;
    backdrop-filter: blur(10px);
}

.wallet-btn.secondary:hover {
    background: rgba(255,255,255,0.3);
}

.wallet-btn.small {
    padding: 8px 16px;
    font-size: 14px;
}

.wallet-btn .icon {
    font-size: 18px;
}

/* Balance Overview Section */
.balance-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.balance-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    padding: 32px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.balance-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.balance-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.balance-card:hover::before {
    transform: scaleX(1);
}

.balance-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
}

.balance-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.balance-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    border-radius: var(--border-radius-sm);
    font-size: 24px;
}

.balance-content {
    margin-bottom: 24px;
}

.balance-amount {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 8px;
}

.balance-amount .amount {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.balance-amount .currency {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-secondary);
}

.available-balance {
    font-size: 14px;
    color: var(--text-secondary);
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    display: inline-block;
}

.balance-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.stat-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.stat-change {
    font-size: 13px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    border-radius: 6px;
}

.stat-change.positive {
    color: var(--success-color);
    background: var(--success-light);
}

.stat-change.negative {
    color: var(--danger-color);
    background: var(--danger-light);
}

/* Subscription Card */
.subscription-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    padding: 32px;
    margin-bottom: 32px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.subscription-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

.subscription-header h3 {
    margin: 0;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.subscription-status {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.subscription-status.active {
    background: var(--success-light);
    color: var(--success-color);
}

.subscription-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-bottom: 24px;
}

.plan-info h4 {
    margin: 0 0 12px 0;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

.plan-info p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.6;
}

.subscription-details {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
}

.detail-item .label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
}

.detail-item .value {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
}

.subscription-actions {
    display: flex;
    gap: 12px;
}

/* Transactions Card */
.transactions-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    padding: 32px;
    margin-bottom: 32px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.transactions-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.transactions-header h3 {
    margin: 0;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.view-all-btn {
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 600;
    background: none;
    border: none;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.view-all-btn:hover {
    color: var(--primary-hover);
}

.transactions-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.transaction-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.transaction-item:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
    transform: translateX(4px);
}

.transaction-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 18px;
}

.transaction-item.credit .transaction-icon {
    background: var(--success-light);
    color: var(--success-color);
}

.transaction-item.debit .transaction-icon {
    background: var(--danger-light);
    color: var(--danger-color);
}

.transaction-content {
    flex: 1;
}

.transaction-description {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.transaction-meta {
    display: flex;
    gap: 12px;
    font-size: 13px;
    color: var(--text-secondary);
}

.transaction-amount {
    font-size: 18px;
    font-weight: 700;
}

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

.transaction-amount.debit {
    color: var(--danger-color);
}

.no-transactions {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-secondary);
}

/* Quick Actions */
.quick-actions-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    padding: 32px;
    margin-bottom: 32px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.quick-actions-card h3 {
    margin: 0 0 24px 0;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 16px;
}

.action-tile {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 24px 16px;
    background: var(--bg-secondary);
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: center;
}

.action-tile:hover {
    background: var(--primary-light);
    border-color: var(--primary-color);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.action-icon {
    font-size: 32px;
}

.action-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

/* Modal */
.wallet-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    margin: 0;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-secondary);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.modal-body {
    padding: 24px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .subscription-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .teleworld-wallet-container.modern-wallet {
        padding: 16px;
    }
    
    .wallet-header {
        padding: 32px 24px;
    }
    
    .wallet-header-content {
        flex-direction: column;
    }
    
    .wallet-branding h2 {
        font-size: 24px;
    }
    
    .balance-overview {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .actions-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .actions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Loading State */
.wallet-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px;
}

.wallet-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Success/Error Messages */
.wallet-message {
    padding: 16px 20px;
    border-radius: var(--border-radius-sm);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
}

.wallet-message.success {
    background: var(--success-light);
    color: var(--success-color);
}

.wallet-message.error {
    background: var(--danger-light);
    color: var(--danger-color);
}

.wallet-message.info {
    background: var(--info-light);
    color: var(--info-color);
}

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

.fade-in {
    animation: fadeIn var(--transition-base) ease-out;
}