/* ============ LG PlayZone - Main Styles ============ */

/* Root Variables */
:root {
    /* Primary Colors */
    --primary-color: #1a73e8;
    --primary-dark: #1557b0;
    --primary-light: #e8f0fe;
    
    /* Secondary Colors */
    --secondary-color: #6c5ce7;
    --secondary-dark: #5b4bc4;
    --secondary-light: #f0edff;
    
    /* Accent Colors */
    --accent-color: #00b894;
    --accent-dark: #00a381;
    --accent-light: #e6f9f4;
    
    /* Ocean Blue */
    --ocean-blue: #0984e3;
    --ocean-light: #e3f2fd;
    
    /* Purple */
    --purple: #a855f7;
    --purple-light: #faf5ff;
    
    /* Neutral Colors */
    --white: #ffffff;
    --black: #000000;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Status Colors */
    --success: #10b981;
    --success-light: #d1fae5;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --danger: #ef4444;
    --danger-light: #fee2e2;
    --info: #3b82f6;
    --info-light: #dbeafe;
    
    /* Typography - Times New Roman */
    --font-family: 'Times New Roman', Times, serif;
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --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);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Times New Roman', Times, serif;
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--gray-800);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Times New Roman', Times, serif;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.3px;
}

h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }
h5 { font-size: var(--text-base); }
h6 { font-size: var(--text-sm); }

p {
    margin-bottom: var(--spacing-sm);
    font-family: 'Times New Roman', Times, serif;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
    font-family: 'Times New Roman', Times, serif;
}

a:hover {
    color: var(--primary-dark);
}

/* Top Navigation */
.top-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    height: 60px;
}

.top-nav-container {
    max-width: 480px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.top-nav-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.back-button {
    background: none;
    border: none;
    color: var(--gray-700);
    font-size: var(--text-xl);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.back-button:hover {
    background: var(--gray-100);
}

.nav-title {
    font-family: 'Times New Roman', Times, serif;
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--gray-900);
    letter-spacing: 0.3px;
}

.top-nav-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.notification-bell {
    position: relative;
    color: var(--gray-700);
    font-size: var(--text-xl);
    padding: var(--spacing-sm);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.notification-bell:hover {
    background: var(--gray-100);
    color: var(--primary-color);
}

.notification-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--danger);
    color: var(--white);
    font-family: 'Times New Roman', Times, serif;
    font-size: var(--text-xs);
    font-weight: 700;
    min-width: 18px;
    height: 18px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 var(--spacing-xs);
}

/* Balance Bar */
.balance-bar {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    z-index: 999;
    padding: var(--spacing-sm) 0;
}

.balance-container {
    max-width: 480px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.balance-info {
    display: flex;
    flex-direction: column;
}

.balance-label {
    font-family: 'Times New Roman', Times, serif;
    font-size: var(--text-xs);
    opacity: 0.9;
    letter-spacing: 0.5px;
}

.balance-amount {
    font-family: 'Times New Roman', Times, serif;
    font-size: var(--text-xl);
    font-weight: 700;
}

.balance-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.btn-deposit,
.btn-withdraw {
    font-family: 'Times New Roman', Times, serif;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: all var(--transition-fast);
}

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

.btn-deposit:hover {
    background: var(--primary-light);
}

.btn-withdraw {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

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

/* Main Content */
.main-content {
    padding-top: 120px;
    padding-bottom: 80px;
    min-height: 100vh;
}

.content-container {
    max-width: 480px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Cards */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
}

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

.card-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-family: 'Times New Roman', Times, serif;
    font-weight: 700;
    letter-spacing: 0.3px;
}

.card-body {
    padding: var(--spacing-md);
}

.card-footer {
    padding: var(--spacing-md);
    border-top: 1px solid var(--gray-200);
    background: var(--gray-50);
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.product-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all var(--transition-normal);
    cursor: pointer;
    position: relative;
}

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

.product-image {
    width: 100%;
    height: 150px;
    object-fit: cover;
    background: var(--gray-100);
}

.product-info {
    padding: var(--spacing-sm);
}

.product-name {
    font-family: 'Times New Roman', Times, serif;
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.product-price {
    font-family: 'Times New Roman', Times, serif;
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--primary-color);
}

.product-lock-period {
    font-family: 'Times New Roman', Times, serif;
    font-size: var(--text-xs);
    color: var(--gray-500);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    font-family: 'Times New Roman', Times, serif;
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--gray-700);
    margin-bottom: var(--spacing-xs);
    letter-spacing: 0.3px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    font-family: 'Times New Roman', Times, serif;
    transition: all var(--transition-fast);
    background: var(--white);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-hint {
    font-family: 'Times New Roman', Times, serif;
    font-size: var(--text-xs);
    color: var(--gray-500);
    margin-top: var(--spacing-xs);
}

.form-error {
    font-family: 'Times New Roman', Times, serif;
    font-size: var(--text-xs);
    color: var(--danger);
    margin-top: var(--spacing-xs);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    font-weight: 700;
    font-family: 'Times New Roman', Times, serif;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    gap: var(--spacing-xs);
    width: 100%;
    letter-spacing: 0.3px;
}

.btn:active {
    transform: scale(0.98);
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background: var(--secondary-dark);
    box-shadow: var(--shadow-md);
}

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

.btn-success:hover {
    background: var(--accent-dark);
    box-shadow: var(--shadow-md);
}

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

.btn-danger:hover {
    background: #dc2626;
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-light);
}

.btn-outline-secondary {
    background: transparent;
    color: var(--secondary-color);
    border: 2px solid var(--secondary-color);
}

.btn-outline-secondary:hover {
    background: var(--secondary-light);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--text-sm);
    width: auto;
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--text-lg);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Alerts */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    position: relative;
    font-family: 'Times New Roman', Times, serif;
}

.alert-success {
    background: var(--success-light);
    color: var(--success);
    border: 1px solid var(--success);
}

.alert-error {
    background: var(--danger-light);
    color: var(--danger);
    border: 1px solid var(--danger);
}

.alert-info {
    background: var(--info-light);
    color: var(--info);
    border: 1px solid var(--info);
}

.alert-warning {
    background: var(--warning-light);
    color: var(--warning);
    border: 1px solid var(--warning);
}

.alert-close {
    position: absolute;
    top: var(--spacing-xs);
    right: var(--spacing-xs);
    background: none;
    border: none;
    font-size: var(--text-xl);
    cursor: pointer;
    color: inherit;
    opacity: 0.7;
}

.alert-close:hover {
    opacity: 1;
}

/* Bottom Navigation */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    height: 70px;
    border-top: 1px solid var(--gray-200);
}

.bottom-nav-container {
    max-width: 480px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-around;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    color: var(--gray-500);
    text-decoration: none;
    font-family: 'Times New Roman', Times, serif;
    font-size: var(--text-xs);
    transition: all var(--transition-fast);
    padding: var(--spacing-xs) var(--spacing-md);
    position: relative;
    flex: 1;
    height: 100%;
}

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

.nav-item.active {
    color: var(--primary-color);
    font-weight: 700;
}

.nav-item.active::before {
    content: '';
    position: absolute;
    top: 0;
    left: 20%;
    right: 20%;
    height: 3px;
    background: var(--primary-color);
    border-radius: 0 0 var(--radius-full) var(--radius-full);
}

.nav-icon {
    font-size: var(--text-xl);
    position: relative;
}

.nav-label {
    font-family: 'Times New Roman', Times, serif;
    font-size: var(--text-xs);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    color: var(--white);
    font-family: 'Times New Roman', Times, serif;
    font-size: var(--text-xs);
    font-weight: 700;
    padding: 2px var(--spacing-sm);
    border-radius: var(--radius-full);
    min-width: 20px;
    height: 20px;
}

.badge-success {
    background: var(--success);
}

.badge-warning {
    background: var(--warning);
}

.badge-danger {
    background: var(--danger);
}

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--white);
    animation: spin 0.6s linear infinite;
}

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

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    max-width: 400px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.modal-title {
    font-family: 'Times New Roman', Times, serif;
    font-size: var(--text-xl);
    font-weight: 700;
    letter-spacing: 0.3px;
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--text-2xl);
    cursor: pointer;
    color: var(--gray-500);
}

/* Copy Link Button */
.copy-link-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--primary-light);
    color: var(--primary-color);
    border: 2px dashed var(--primary-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: 'Times New Roman', Times, serif;
    font-size: var(--text-sm);
}

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

.copy-link-btn.copied {
    background: var(--success);
    color: var(--white);
    border-color: var(--success);
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

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

.stat-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xl);
    margin-bottom: var(--spacing-sm);
}

.stat-icon.blue {
    background: var(--primary-light);
    color: var(--primary-color);
}

.stat-icon.purple {
    background: var(--secondary-light);
    color: var(--secondary-color);
}

.stat-icon.green {
    background: var(--accent-light);
    color: var(--accent-color);
}

.stat-icon.orange {
    background: var(--warning-light);
    color: var(--warning);
}

.stat-value {
    font-family: 'Times New Roman', Times, serif;
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-family: 'Times New Roman', Times, serif;
    font-size: var(--text-xs);
    color: var(--gray-500);
}

/* Table Styles */
.table-container {
    overflow-x: auto;
    margin-bottom: var(--spacing-lg);
}

.table {
    width: 100%;
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    font-family: 'Times New Roman', Times, serif;
}

.table th {
    background: var(--gray-50);
    color: var(--gray-700);
    font-weight: 700;
    font-size: var(--text-sm);
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 2px solid var(--gray-200);
    font-family: 'Times New Roman', Times, serif;
}

.table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--gray-200);
    font-size: var(--text-sm);
    font-family: 'Times New Roman', Times, serif;
}

.table tr:last-child td {
    border-bottom: none;
}

.table tr:hover {
    background: var(--gray-50);
}

/* Responsive Design */
@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .product-image {
        height: 120px;
    }
    
    .stats-grid {
        gap: var(--spacing-sm);
    }
    
    .balance-amount {
        font-size: var(--text-lg);
    }
}