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

:root {
    /* Dark Theme Colors - Pure Black Design */
    --primary-color: #ffffff;
    --primary-hover: #e5e5e5;
    --secondary-color: #cccccc;
    --accent-color: #ffffff;
    --success-color: #00ff00;
    --warning-color: #ffff00;
    --error-color: #ff0000;
    
    /* Background Colors - Pure Black */
    --bg-primary: #000000;
    --bg-secondary: rgba(17, 17, 17, 0.8);
    --bg-tertiary: #222222;
    --bg-card: rgba(17, 17, 17, 0.9);
    --bg-hover: rgba(34, 34, 34, 0.8);
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --text-muted: #888888;
    
    /* Border Colors */
    --border-color: #333333;
    --border-hover: #444444;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-primary) url('wallpaperflare.com_wallpaper.jpg') center/cover no-repeat fixed;
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: -1;
    pointer-events: none;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Navigation */
.navbar {
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

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

.nav-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    padding: var(--spacing-xs) var(--spacing-sm);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    font-weight: 500;
    min-height: 50px;
    font-size: 0.85rem;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: var(--bg-hover);
    transform: translateY(-1px);
}

.nav-link i {
    font-size: 1.2rem;
    margin-bottom: 2px;
}

.nav-link span {
    font-size: 0.85rem;
    line-height: 1;
    text-align: center;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 80px);
    padding: var(--spacing-xl) 0;
}

/* Page Header */
.page-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.page-title {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}

.page-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Hero Section */
.hero-section {
    text-align: center;
    padding: var(--spacing-2xl) 0;
    margin-bottom: var(--spacing-2xl);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: 2rem;
}

.welcome-message {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.welcome-message h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
}

.user-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.stat-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
}

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

.stat-card i {
    font-size: 2rem;
    color: var(--primary-color);
}

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

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
}

.stat-value {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--text-primary);
}

/* Features Section */
.features-section {
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: 2rem;
    font-weight: bold;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--text-primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    font-size: 2rem;
    color: var(--bg-primary);
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Quick Actions */
.quick-actions {
    margin-bottom: var(--spacing-2xl);
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.action-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    text-decoration: none;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.action-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
    color: var(--text-primary);
}

.action-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

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

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

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

.btn-secondary:hover {
    background: var(--bg-hover);
    transform: translateY(-1px);
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.9rem;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* Login Container */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
}

.login-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    width: 100%;
    max-width: 450px;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-color);
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.login-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    font-size: 2rem;
    color: var(--bg-primary);
}

.login-header h1 {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.login-header p {
    color: var(--text-secondary);
}

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

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.password-input {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--spacing-sm);
}

.password-toggle:hover {
    color: var(--text-primary);
}

.login-footer {
    text-align: center;
    color: var(--text-secondary);
}

.login-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.login-footer a:hover {
    text-decoration: underline;
}

/* Alerts */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--error-color);
    color: var(--error-color);
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid #3b82f6;
    color: #3b82f6;
}

/* Referral Page */
.referral-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.referral-stats {
    margin-bottom: var(--spacing-lg);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    transition: all 0.3s ease;
}

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

.stat-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-primary);
    font-size: 1.5rem;
}

.stat-content h3 {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
}

.stat-number {
    color: var(--text-primary);
    font-size: 2rem;
    font-weight: bold;
}

.stat-text {
    color: var(--text-primary);
    font-size: 1.1rem;
}

.referral-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.section-header {
    margin-bottom: var(--spacing-lg);
}

.section-header h2 {
    color: var(--text-primary);
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.referral-link-container {
    margin-bottom: var(--spacing-lg);
}

.link-input-group {
    display: flex;
    gap: var(--spacing-md);
}

.link-input {
    flex: 1;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.link-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.content-container {
    margin-bottom: var(--spacing-lg);
}

.content-textarea {
    width: 100%;
    min-height: 200px;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.9rem;
    resize: vertical;
    font-family: inherit;
}

.content-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.content-actions {
    margin-top: var(--spacing-md);
    display: flex;
    gap: var(--spacing-md);
}

.share-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.share-btn {
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

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

.share-btn.zalo {
    background: linear-gradient(135deg, #0068ff, #0047cc);
}

.share-btn.facebook {
    background: linear-gradient(135deg, #1877f2, #0d5bb8);
}

.share-btn.telegram {
    background: linear-gradient(135deg, #0088cc, #006699);
}

.share-btn.whatsapp {
    background: linear-gradient(135deg, #25d366, #1ea952);
}

.guide-content {
    margin-top: var(--spacing-lg);
}

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

.step {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: var(--bg-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.step-content h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.step-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Notification */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 1000;
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    border-color: var(--success-color);
    color: var(--success-color);
}

.notification.error {
    border-color: var(--error-color);
    color: var(--error-color);
}

.notification.info {
    border-color: #3b82f6;
    color: #3b82f6;
}

/* Referral Success Notification */
.referral-success-notification {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--bg-card), var(--bg-secondary));
    border: 2px solid var(--success-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-xl);
    z-index: 1000;
    max-width: 500px;
    width: 90%;
    transition: all 0.3s ease;
}

.notification-content {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.notification-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--success-color), #00cc00);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-primary);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.notification-text {
    flex: 1;
}

.notification-text h3 {
    color: var(--success-color);
    margin-bottom: var(--spacing-sm);
    font-size: 1.2rem;
}

.notification-text p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.giftcode-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.giftcode-item strong {
    color: var(--text-primary);
    min-width: 120px;
}

.giftcode-code {
    flex: 1;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm);
    color: var(--success-color);
    font-family: 'Courier New', monospace;
    font-weight: bold;
    font-size: 0.9rem;
}

.copy-btn {
    background: var(--primary-color);
    color: var(--bg-primary);
    border: none;
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 35px;
    height: 35px;
}

.copy-btn:hover {
    background: var(--primary-hover);
    transform: scale(1.05);
}

.close-btn {
    background: transparent;
    color: var(--text-secondary);
    border: none;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

/* Toast Notifications */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 1001;
    max-width: 300px;
}

.toast.show {
    transform: translateX(0);
}

.toast-success {
    border-color: var(--success-color);
    color: var(--success-color);
}

.toast-error {
    border-color: var(--error-color);
    color: var(--error-color);
}

.toast-info {
    border-color: #3b82f6;
    color: #3b82f6;
}

/* Giftcode Page */
.giftcodes-section {
    margin-top: var(--spacing-xl);
}

.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.empty-icon {
    width: 80px;
    height: 80px;
    background: var(--bg-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    color: var(--text-muted);
    font-size: 2rem;
}

.empty-state h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.empty-state p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.giftcodes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.giftcode-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all 0.3s ease;
}

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

.giftcode-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.giftcode-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--success-color), #00cc00);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-primary);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.giftcode-info h3 {
    color: var(--text-primary);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
    font-family: 'Courier New', monospace;
}

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

.giftcode-content {
    margin-bottom: var(--spacing-lg);
}

.giftcode-details {
    margin-bottom: var(--spacing-md);
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

.detail-item:last-child {
    border-bottom: none;
}

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

.detail-value {
    color: var(--text-primary);
    font-weight: 600;
}

.detail-value.active {
    color: var(--success-color);
}

.detail-value.inactive {
    color: var(--error-color);
}

.giftcode-items h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
}

.items-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

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

.item-quantity {
    color: var(--success-color);
    font-weight: bold;
    font-size: 0.9rem;
}

.no-items {
    color: var(--text-muted);
    font-style: italic;
    text-align: center;
    padding: var(--spacing-md);
}

.giftcode-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
}

/* Account Page */
.account-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.info-section {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.section-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.section-header h2 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    color: var(--text-primary);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.info-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
}

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

.info-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--bg-primary);
}

.info-content h3 {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
}

.info-content p {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.status {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
}

.status.active {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success-color);
}

.status.banned {
    background: rgba(239, 68, 68, 0.2);
    color: var(--error-color);
}

/* Financial Grid */
.financial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.financial-card {
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.financial-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-color);
}

.financial-card.primary::before {
    background: var(--primary-color);
}

.financial-card.secondary::before {
    background: var(--secondary-color);
}

.financial-card.tertiary::before {
    background: var(--accent-color);
}

.financial-card.quaternary::before {
    background: var(--warning-color);
}

.financial-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.financial-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.financial-card.primary .financial-icon {
    background: var(--primary-color);
    color: var(--bg-primary);
}

.financial-card.secondary .financial-icon {
    background: var(--secondary-color);
    color: var(--bg-primary);
}

.financial-card.tertiary .financial-icon {
    background: var(--accent-color);
    color: var(--bg-primary);
}

.financial-card.quaternary .financial-icon {
    background: var(--warning-color);
    color: var(--bg-primary);
}

.financial-content h3 {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
}

.amount {
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--text-primary);
}

/* VIP Grid */
.vip-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
}

.vip-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
}

.vip-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--warning-color);
}

.vip-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--warning-color), #fbbf24);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
    font-size: 1rem;
    color: white;
}

.vip-content h3 {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
}

.vip-content p {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Other Info Grid */
.other-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.other-info-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
}

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

.other-info-card h3 {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
}

.other-info-card p {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--text-primary);
}

/* Players Page */
.players-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.players-stats {
    display: flex;
    justify-content: center;
}

.players-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.player-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.player-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.player-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.player-avatar {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--bg-primary);
}

.player-info {
    flex: 1;
}

.player-name {
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

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

.status-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
}

.status-badge.active {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success-color);
}

.player-details {
    margin-bottom: var(--spacing-lg);
}

.detail-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.detail-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.detail-item i {
    color: var(--primary-color);
    width: 16px;
}

.detail-item span:first-of-type {
    font-size: 0.9rem;
    color: var(--text-muted);
    flex: 1;
}

.detail-item span:last-of-type {
    font-weight: 600;
    color: var(--text-primary);
}

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

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.empty-icon {
    width: 100px;
    height: 100px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    font-size: 3rem;
    color: var(--bg-primary);
}

.empty-state h2 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.empty-state p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: var(--bg-card);
    margin: 5% auto;
    padding: 0;
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-color);
}

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

.modal-header h2 {
    color: var(--text-primary);
    font-size: 1.5rem;
}

.close {
    color: var(--text-muted);
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition-fast);
}

.close:hover {
    color: var(--text-primary);
}

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

.player-detail-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.detail-section h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.detail-grid .detail-item {
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.detail-grid .detail-item strong {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-xl) 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
}

/* Responsive Design */
@media (max-width: 1024px) and (min-width: 769px) {
    .nav-menu {
        gap: var(--spacing-xs);
    }
    
    .nav-link {
        padding: var(--spacing-xs);
        font-size: 0.8rem;
        min-height: 45px;
    }
    
    .nav-link span {
        display: none;
    }
    
    .nav-link i {
        font-size: 1.1rem;
    }
}

@media (max-width: 768px) {
    .nav-container {
        height: 70px;
        padding: 0 var(--spacing-sm);
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--bg-primary);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: var(--spacing-xl);
        transition: var(--transition-normal);
        border-right: 1px solid var(--border-color);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-link {
        flex-direction: row;
        gap: var(--spacing-sm);
        min-height: auto;
        padding: var(--spacing-md);
        font-size: 1rem;
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .nav-link i {
        margin-bottom: 0;
    }

    .nav-link span {
        font-size: 1rem;
        display: inline;
    }

    .logo-img {
        height: 50px;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero-title {
        font-size: 2rem;
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .page-title {
        font-size: 2rem;
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .user-stats {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .actions-grid {
        grid-template-columns: 1fr;
    }

    .info-grid {
        grid-template-columns: 1fr;
    }

    .financial-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }

    .vip-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }

    .other-info-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }

    .players-grid {
        grid-template-columns: 1fr;
    }

    .detail-row {
        grid-template-columns: 1fr;
    }

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

    .login-card {
        margin: var(--spacing-md);
        padding: var(--spacing-lg);
    }

    .modal-content {
        width: 95%;
        margin: 10% auto;
    }

    .detail-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }

    .page-title {
        font-size: 1.8rem;
    }

    .financial-grid {
        grid-template-columns: 1fr;
    }

    .vip-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .other-info-grid {
        grid-template-columns: 1fr;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card,
.info-card,
.financial-card,
.player-card {
    animation: fadeIn 0.6s ease-out;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-hover);
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary-color);
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Admin Styles */
.admin-form {
    margin-top: var(--spacing-lg);
}

/* Search Styles */
.search-form {
    margin-top: var(--spacing-lg);
}

.search-container {
    display: flex;
    justify-content: center;
}

.search-input-group {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    width: 100%;
    max-width: 600px;
}

.search-input {
    flex: 1;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.search-results {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: normal;
    margin-left: var(--spacing-sm);
}

/* Pagination Styles */
.pagination-info {
    margin-bottom: var(--spacing-md);
    text-align: center;
}

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

.pagination {
    margin-top: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.pagination-top {
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.pagination-controls {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
}

.pagination-controls .btn {
    min-width: 40px;
    text-align: center;
}

/* Operation Buttons */
.operation-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

.operation-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.current-balance {
    background: var(--bg-secondary) !important;
    color: var(--success-color) !important;
    font-weight: bold;
    text-align: center;
}

.btn-warning {
    background: #f59e0b;
    color: white;
    border: 1px solid #f59e0b;
}

.btn-warning:hover {
    background: #d97706;
    transform: translateY(-1px);
}

.btn-success {
    background: #10b981;
    color: white;
    border: 1px solid #10b981;
}

.btn-success:hover {
    background: #059669;
    transform: translateY(-1px);
}

/* Loading Effects */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

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

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Smooth transitions */
.users-table {
    transition: opacity 0.3s ease;
}

.pagination-controls {
    transition: opacity 0.3s ease;
}

/* Search Loading */
.search-input {
    position: relative;
}

.search-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.search-input.loading {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="10"/><path d="M12 6v6l4 2"/></svg>');
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 16px;
    animation: spin 1s linear infinite;
}

/* Search Results Animation */
.search-results {
    animation: fadeIn 0.3s ease;
}

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

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.users-table {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    margin-top: var(--spacing-lg);
}

.table-header {
    display: grid;
    grid-template-columns: 60px 1fr 120px 120px 120px 100px 200px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    color: var(--text-primary);
}

.table-row {
    display: grid;
    grid-template-columns: 60px 1fr 120px 120px 120px 100px 200px;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-fast);
}

.table-row:hover {
    background: var(--bg-hover);
}

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

.table-cell {
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    border-right: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.table-cell:last-child {
    border-right: none;
}

.action-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.text-muted {
    color: var(--text-muted);
    font-style: italic;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: var(--bg-card);
    margin: 10% auto;
    padding: 0;
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-color);
}

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

.modal-header h2 {
    color: var(--text-primary);
    font-size: 1.5rem;
}

.close {
    color: var(--text-muted);
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition-fast);
}

.close:hover {
    color: var(--text-primary);
}

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

/* Responsive Admin */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .search-input-group {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .search-input {
        width: 100%;
        font-size: 16px; /* Tránh zoom trên iOS */
    }
    
    .pagination-controls {
        flex-direction: row;
        flex-wrap: wrap;
        gap: var(--spacing-xs);
        justify-content: center;
    }
    
    .pagination-controls .btn {
        min-width: 35px;
        padding: var(--spacing-sm);
        font-size: 0.8rem;
    }
    
    .operation-buttons {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .operation-buttons .btn {
        width: 100%;
        font-size: 0.8rem;
        padding: var(--spacing-sm);
    }
    
    /* Mobile Table - Card Layout */
    .users-table {
        display: block;
        background: transparent;
        border: none;
    }
    
    .table-header {
        display: none; /* Ẩn header trên mobile */
    }
    
    .table-row {
        display: block;
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-lg);
        margin-bottom: var(--spacing-md);
        padding: var(--spacing-md);
        box-shadow: var(--shadow-sm);
        transition: var(--transition-normal);
    }
    
    .table-row:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }
    
    .table-cell {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: var(--spacing-sm) 0;
        border: none;
        border-bottom: 1px solid var(--border-color);
        font-size: 0.9rem;
    }
    
    .table-cell:last-child {
        border-bottom: none;
        padding-top: var(--spacing-md);
    }
    
    .table-cell:before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--text-muted);
        min-width: 80px;
        flex-shrink: 0;
    }
    
    .table-cell:last-child:before {
        content: "Thao tác";
    }
    
    .action-buttons {
        justify-content: center;
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }
    
    .action-buttons .btn {
        flex: 1;
        min-width: 80px;
        font-size: 0.75rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    /* Mobile Modal */
    .modal-content {
        width: 95%;
        margin: 2% auto;
        max-height: 95vh;
        overflow-y: auto;
    }
    
    .modal-header {
        padding: var(--spacing-md);
    }
    
    .modal-header h2 {
        font-size: 1.2rem;
    }
    
    .modal-body {
        padding: var(--spacing-md);
    }
    
    .operation-buttons {
        flex-direction: row;
        gap: var(--spacing-sm);
    }
    
    .operation-btn {
        font-size: 0.8rem;
        padding: var(--spacing-sm);
    }
    
    /* Mobile Navigation */
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--bg-primary);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: var(--spacing-xl);
        transition: var(--transition-normal);
        border-right: 1px solid var(--border-color);
        z-index: 1000;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-link {
        flex-direction: row;
        gap: var(--spacing-sm);
        min-height: auto;
        padding: var(--spacing-md) var(--spacing-lg);
        width: 100%;
        max-width: 300px;
    }

    .nav-link i {
        margin-bottom: 0;
        font-size: 1.1rem;
    }

    .nav-link span {
        font-size: 1rem;
    }
    
    /* Mobile Page Header */
    .page-title {
        font-size: 1.8rem;
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
    
    .page-description {
        font-size: 1rem;
        text-align: center;
    }
    
    /* Mobile Info Sections */
    .info-section {
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-md);
    }
    
    .section-header h2 {
        font-size: 1.3rem;
        text-align: center;
    }
    
    .pagination-info {
        text-align: center;
        margin-bottom: var(--spacing-sm);
    }
    
    .pagination-text {
        font-size: 0.8rem;
    }
    
    /* Mobile Button Text */
    .btn-text {
        display: inline;
    }
    
    /* Mobile Status Badge */
    .status {
        font-size: 0.8rem;
        padding: 2px 6px;
    }
    
    /* Mobile Financial Cards */
    .financial-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .financial-card {
        padding: var(--spacing-md);
    }
    
    .financial-icon {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .amount {
        font-size: 1.1rem;
    }
}

/* Mobile Navigation Toggle */
@media (max-width: 768px) {
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
}

/* Extra small screens */
@media (max-width: 480px) {
    .nav-container {
        height: 60px;
        padding: 0 var(--spacing-xs);
    }
    
    .nav-menu {
        top: 60px;
        height: calc(100vh - 60px);
    }
    
    .nav-link {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.9rem;
    }
    
    .nav-link span {
        display: inline;
    }
    
    .logo-img {
        height: 40px;
    }
}

/* Very small screens */
@media (max-width: 360px) {
    .nav-container {
        height: 55px;
    }
    
    .nav-menu {
        top: 55px;
        height: calc(100vh - 55px);
    }
    
    .nav-link {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.85rem;
    }
    
    .nav-link span {
        display: inline;
    }
    
    .logo-img {
        height: 35px;
    }
}

/* Extra Small Mobile */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-xs);
    }
    
    .page-title {
        font-size: 1.5rem;
    }
    
    .section-header h2 {
        font-size: 1.2rem;
    }
    
    .table-cell {
        font-size: 0.85rem;
    }
    
    .action-buttons .btn {
        font-size: 0.7rem;
        padding: var(--spacing-xs);
    }
    
    .btn-text {
        display: none; /* Chỉ hiển thị icon trên màn hình rất nhỏ */
    }
    
    .pagination-controls .btn {
        min-width: 30px;
        padding: var(--spacing-xs);
        font-size: 0.7rem;
    }
}

/* Image Slider Styles */
.image-slider {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-color);
}

.slider-container {
    position: relative;
    width: 100%;
    height: 400px;
    overflow: hidden;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide.active {
    opacity: 1;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

.slide-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    padding: var(--spacing-xl);
    text-align: center;
}

.slide-content h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    font-weight: bold;
}

.slide-content p {
    font-size: 1rem;
    opacity: 0.9;
}

.slider-controls {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 var(--spacing-md);
    pointer-events: none;
}

.prev-btn,
.next-btn {
    background: rgba(0, 0, 0, 0.5);
    border: none;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    pointer-events: all;
    backdrop-filter: blur(10px);
}

.prev-btn:hover,
.next-btn:hover {
    background: rgba(0, 0, 0, 0.8);
    transform: scale(1.1);
}

.slider-dots {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-sm);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: var(--primary-color);
    transform: scale(1.2);
}

.dot:hover {
    background: rgba(255, 255, 255, 0.8);
}

/* Responsive Slider */
@media (max-width: 768px) {
    .slider-container {
        height: 300px;
    }
    
    .slide-content {
        padding: var(--spacing-lg);
    }
    
    .slide-content h3 {
        font-size: 1.2rem;
    }
    
    .slide-content p {
        font-size: 0.9rem;
    }
    
    .prev-btn,
    .next-btn {
        width: 40px;
        height: 40px;
    }
    
    .dot {
        width: 10px;
        height: 10px;
    }
}

@media (max-width: 480px) {
    .slider-container {
        height: 250px;
    }
    
    .slide-content {
        padding: var(--spacing-md);
    }
    
    .slide-content h3 {
        font-size: 1rem;
    }
    
    .slide-content p {
        font-size: 0.8rem;
    }
}

/* Download Page Styles */
.download-sections {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.download-section {
    width: 100%;
}

.download-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.download-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-color);
}

.download-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.download-card.pc-card::before {
    background: #0078d4;
}

.download-card.android-card::before {
    background: #3ddc84;
}

.download-card.ios-card::before {
    background: #007aff;
}

.download-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.platform-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
}

.download-card.pc-card .platform-icon {
    background: linear-gradient(135deg, #0078d4, #106ebe);
}

.download-card.android-card .platform-icon {
    background: linear-gradient(135deg, #3ddc84, #2bb673);
}

.download-card.ios-card .platform-icon {
    background: linear-gradient(135deg, #007aff, #0056b3);
}

.platform-info h2 {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.platform-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.4;
}

.version-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

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

.version-number {
    background: var(--primary-color);
    color: var(--bg-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-weight: bold;
    font-size: 0.9rem;
}

.file-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.file-size,
.system-requirements {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.file-size i,
.system-requirements i {
    color: var(--primary-color);
    width: 16px;
}

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

.download-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
    min-height: 40px;
    flex: 1;
    min-width: 120px;
}

.download-btn.primary {
    background: var(--primary-color);
    color: var(--bg-primary);
    box-shadow: var(--shadow-md);
}

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

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

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

.download-btn.tertiary {
    background: #4285f4;
    color: white;
    border: 1px solid #4285f4;
}

.download-btn.tertiary:hover {
    background: #3367d6;
    border-color: #3367d6;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Quick Info */
.quick-info {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    flex-wrap: wrap;
}

.info-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    color: var(--text-secondary);
    font-size: 0.9rem;
    flex: 1;
    min-width: 250px;
    max-width: 400px;
}

.info-card i {
    color: var(--primary-color);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.download-instructions {
    margin-top: var(--spacing-2xl);
}

.instructions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.instruction-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
}

.instruction-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.instruction-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    font-size: 1.5rem;
    color: var(--bg-primary);
}

.instruction-content h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    font-size: 1.2rem;
}

.instruction-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Requirements Modal */
.requirements-content {
    line-height: 1.8;
}

.requirements-content h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    margin-top: var(--spacing-lg);
    font-size: 1.2rem;
}

.requirements-content h3:first-child {
    margin-top: 0;
}

.requirements-content ul,
.requirements-content ol {
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-lg);
}

.requirements-content li {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.requirements-content strong {
    color: var(--text-primary);
}

/* Responsive Download Page */
@media (max-width: 768px) {
    .download-sections {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .download-header {
        gap: var(--spacing-sm);
    }
    
    .platform-icon {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .platform-info h2 {
        font-size: 1.1rem;
    }
    
    .platform-info p {
        font-size: 0.8rem;
    }
    
    .download-actions {
        flex-direction: column;
    }
    
    .download-btn {
        min-width: 100%;
    }
    
    .quick-info {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .info-card {
        min-width: 100%;
    }
}

@media (max-width: 480px) {
    .download-card {
        padding: var(--spacing-md);
    }
    
    .platform-info h2 {
        font-size: 1rem;
    }
    
    .platform-info p {
        font-size: 0.8rem;
    }
    
    .download-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.8rem;
        min-height: 35px;
    }
    
    .info-card {
        padding: var(--spacing-sm);
        font-size: 0.8rem;
    }
}

/* Admin Tab System */
.admin-tabs {
    margin-bottom: var(--spacing-xl);
}

.tab-nav {
    display: flex;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
}

.tab-btn {
    flex: 1;
    padding: var(--spacing-lg) var(--spacing-xl);
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    position: relative;
}

.tab-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.tab-btn.active {
    background: var(--accent-color);
    color: var(--bg-primary);
    font-weight: 600;
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--bg-primary);
}

.tab-btn i {
    font-size: 1.1rem;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease-in-out;
}

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

/* Responsive Tab System */
@media (max-width: 768px) {
    .tab-nav {
        flex-direction: column;
    }
    
    .tab-btn {
        padding: var(--spacing-md) var(--spacing-lg);
        text-align: center;
        border-bottom: 1px solid var(--border-color);
    }
    
    .tab-btn:last-child {
        border-bottom: none;
    }
    
    .tab-btn.active::after {
        display: none;
    }
    
    .tab-btn.active {
        background: var(--accent-color);
        color: var(--bg-primary);
    }
}

/* Giftcode Management Styles */
.giftcode-form-section,
.giftcode-search-section,
.giftcode-list-section {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.giftcode-form-section h3,
.giftcode-search-section h3,
.giftcode-list-section h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.1rem;
}

.giftcode-form-section h3 i,
.giftcode-search-section h3 i,
.giftcode-list-section h3 i {
    color: var(--accent-color);
}

.form-group-full {
    width: 100%;
}

.form-help {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: var(--spacing-xs);
    display: block;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    color: var(--text-primary);
    font-weight: 500;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-primary);
    position: relative;
    transition: all 0.3s ease;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: var(--accent-color);
    border-color: var(--accent-color);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--bg-primary);
    font-weight: bold;
    font-size: 12px;
}

.giftcodes-table {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.giftcodes-table .table-header {
    background: var(--bg-tertiary);
    border-bottom: 2px solid var(--border-color);
}

.giftcodes-table .table-row {
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.3s ease;
}

.giftcodes-table .table-row:hover {
    background: var(--bg-hover);
}

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

.status.active {
    background: var(--success-color);
    color: var(--bg-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
}

.status.inactive {
    background: var(--text-muted);
    color: var(--bg-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
}

/* Giftcode Modal Styles */
#editGiftcodeModal .modal-content {
    max-width: 600px;
}

#editGiftcodeModal .form-group textarea {
    resize: vertical;
    min-height: 80px;
}

#editGiftcodeModal .form-help {
    margin-top: var(--spacing-xs);
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* JSON Input Styling */
.form-group textarea[name="listItem"],
.form-group textarea[name="itemoption"] {
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.4;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    color: var(--text-primary);
    transition: all 0.3s ease;
    resize: vertical;
    min-height: 100px;
}

.form-group textarea[name="listItem"]:focus,
.form-group textarea[name="itemoption"]:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
    outline: none;
}

.form-group textarea[name="listItem"]::placeholder,
.form-group textarea[name="itemoption"]::placeholder {
    color: var(--text-muted);
    font-style: italic;
}

/* JSON Syntax Highlighting */
.json-input {
    position: relative;
}

.json-input::after {
    content: 'JSON';
    position: absolute;
    top: var(--spacing-xs);
    right: var(--spacing-sm);
    background: var(--accent-color);
    color: var(--bg-primary);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: bold;
    opacity: 0.7;
}

/* Loading state for search inputs */
.search-input.loading {
    background: linear-gradient(90deg, var(--bg-primary) 25%, var(--bg-hover) 50%, var(--bg-primary) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Responsive Giftcode Styles */
@media (max-width: 768px) {
    .giftcode-form-section,
    .giftcode-search-section,
    .giftcode-list-section {
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-lg);
    }
    
    .giftcodes-table .table-header {
        display: none;
    }
    
    .giftcodes-table .table-row {
        display: block;
        margin-bottom: var(--spacing-md);
        padding: var(--spacing-md);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
    }
    
    .giftcodes-table .table-cell {
        display: block;
        padding: var(--spacing-xs) 0;
        border: none;
    }
    
    .giftcodes-table .table-cell:before {
        content: attr(data-label) ": ";
        font-weight: bold;
        color: var(--text-secondary);
    }
    
    .giftcodes-table .table-cell:last-child {
        margin-top: var(--spacing-sm);
        padding-top: var(--spacing-sm);
        border-top: 1px solid var(--border-color);
    }
    
    .tab-btn span {
        display: none;
    }
    
    .tab-btn {
        padding: var(--spacing-md);
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .tab-btn i {
        font-size: 1.2rem;
    }
}

/* Dropdown Menu Styles */
.nav-dropdown {
    position: relative;
    display: inline-block;
}

.nav-dropdown .nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    transition: var(--transition-fast);
}

.nav-dropdown .nav-link i:last-child {
    font-size: 0.8rem;
    transition: var(--transition-fast);
}

.nav-dropdown:hover .nav-link i:last-child {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-normal);
    z-index: 1001;
    backdrop-filter: blur(10px);
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition-fast);
    border-bottom: 1px solid var(--border-color);
}

.dropdown-item:last-child {
    border-bottom: none;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.dropdown-item:first-child {
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.dropdown-item:hover {
    background: var(--bg-hover);
    color: var(--accent-color);
}

.dropdown-item.active {
    background: var(--bg-hover);
    color: var(--accent-color);
}

.dropdown-item i {
    width: 16px;
    text-align: center;
}

/* Dashboard Stats */
.dashboard-stats {
    margin-bottom: var(--spacing-2xl);
}

.stats-section {
    margin-bottom: var(--spacing-2xl);
}

.stats-section:last-child {
    margin-bottom: 0;
}

.stats-section .section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    font-size: 1.3rem;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: var(--spacing-sm);
}

.stats-section .section-title i {
    color: var(--accent-color);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: var(--transition-normal);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--accent-color);
    transition: var(--transition-normal);
}

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

.stat-card:hover::before {
    width: 6px;
}

.stat-card.stat-primary::before {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
}

.stat-card.stat-success::before {
    background: linear-gradient(135deg, #10b981, #059669);
}

.stat-card.stat-warning::before {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.stat-card.stat-info::before {
    background: linear-gradient(135deg, #06b6d4, #0891b2);
}

.stat-icon {
    width: 70px;
    height: 70px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-primary);
    font-size: 1.8rem;
    flex-shrink: 0;
    transition: var(--transition-normal);
}

.stat-card.stat-primary .stat-icon {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
}

.stat-card.stat-success .stat-icon {
    background: linear-gradient(135deg, #10b981, #059669);
}

.stat-card.stat-warning .stat-icon {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.stat-card.stat-info .stat-icon {
    background: linear-gradient(135deg, #06b6d4, #0891b2);
}

.stat-card:hover .stat-icon {
    transform: scale(1.1);
}

.stat-content {
    flex: 1;
}

.stat-content h3 {
    font-size: 2.2rem;
    font-weight: bold;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    line-height: 1;
}

.stat-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-sm);
}

.stat-trend {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.85rem;
    font-weight: 600;
}

.stat-trend i {
    font-size: 0.8rem;
}

.stat-trend i.fa-arrow-up {
    color: #10b981;
}

.stat-trend i.fa-arrow-down {
    color: #ef4444;
}

.stat-trend span {
    color: var(--text-muted);
}

/* Admin Menu Cards */
.admin-menu {
    margin-bottom: var(--spacing-2xl);
}

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

.admin-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition-normal);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.admin-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.admin-card-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-primary);
    font-size: 1.8rem;
    flex-shrink: 0;
}

.admin-card-content {
    flex: 1;
}

.admin-card-content h3 {
    font-size: 1.3rem;
    font-weight: bold;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.admin-card-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}

.admin-card-stats {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.8rem;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.admin-card-arrow {
    color: var(--text-muted);
    font-size: 1.2rem;
    transition: var(--transition-fast);
}

.admin-card:hover .admin-card-arrow {
    color: var(--accent-color);
    transform: translateX(4px);
}

/* System Info */
.system-info {
    margin-bottom: var(--spacing-2xl);
}

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

.info-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    backdrop-filter: blur(10px);
}

.info-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.info-header i {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-primary);
    font-size: 1.2rem;
}

.info-header h3 {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--text-primary);
}

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

.info-content strong {
    color: var(--text-primary);
}

/* Page Header Updates */
.page-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.page-title-section {
    flex: 1;
}

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

/* Search Status */
.search-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.search-status i {
    color: var(--accent-color);
}

/* Search Input Improvements */
.search-input {
    transition: var(--transition-fast);
}

.search-input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.1);
}

.search-input.loading {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="10"/><path d="M12 6v6l4 2"/></svg>');
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 16px;
}

/* Responsive Design for Admin */
@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .admin-cards {
        grid-template-columns: 1fr;
    }
    
    .admin-card {
        flex-direction: column;
        text-align: center;
    }
    
    .admin-card-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .admin-card-stats {
        justify-content: center;
    }
    
    .page-header-content {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* Items Management Styles */
.items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.item-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.item-card:hover {
    background: var(--bg-hover);
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.item-icon {
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.25rem;
}

.item-info h4 {
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.item-info p {
    color: var(--text-muted);
    font-size: 0.75rem;
}

.help-content {
    display: grid;
    gap: var(--spacing-lg);
}

.help-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

.help-item h4 {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.help-item p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.help-item ul {
    color: var(--text-secondary);
    padding-left: var(--spacing-lg);
    line-height: 1.6;
}

.help-item li {
    margin-bottom: var(--spacing-xs);
}

/* Item Card States */
.item-card.empty {
    opacity: 0.5;
    background: var(--bg-tertiary);
}

.item-card.empty .item-icon {
    color: var(--text-muted);
}

.item-card.empty .item-info h4 {
    color: var(--text-muted);
}

/* Player Info Styles */
.player-info {
    margin-top: var(--spacing-lg);
}

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

.info-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

.info-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.info-header i {
    color: var(--accent-color);
    font-size: 1.25rem;
}

.info-header h3 {
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 600;
}

.info-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.info-content strong {
    color: var(--text-primary);
}

/* Player Selection Styles */
.player-selection {
    position: relative;
}

.player-select-container {
    position: relative;
}

.player-search-container {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.player-search-input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.875rem;
}

.player-search-input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.1);
}

.player-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.player-avatar {
    width: 50px;
    height: 50px;
    background: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.5rem;
}

.player-details h4 {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.player-details p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Player Search Results */
.player-search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    max-height: 300px;
    overflow-y: auto;
}

.player-result {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: background-color 0.2s ease;
    border-bottom: 1px solid var(--border-color);
}

.player-result:last-child {
    border-bottom: none;
}

.player-result:hover {
    background: var(--bg-hover);
}

.player-result-avatar {
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.25rem;
}

.player-result-info h4 {
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.player-result-info p {
    color: var(--text-muted);
    font-size: 0.75rem;
}

.no-results {
    padding: var(--spacing-md);
    text-align: center;
    color: var(--text-muted);
    font-style: italic;
}

/* Item Type Selector */
.item-type-selector {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

.item-type-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
}

.item-type-option:hover {
    border-color: var(--border-hover);
    background: var(--bg-hover);
}

.item-type-option.active {
    border-color: var(--accent-color);
    background: var(--bg-hover);
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.1);
}

.item-type-icon {
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.25rem;
}

.item-type-option.active .item-type-icon {
    color: var(--accent-color);
    background: var(--bg-primary);
}

.item-type-info h4 {
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.item-type-info p {
    color: var(--text-muted);
    font-size: 0.75rem;
}

/* Items Controls */
.items-controls {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.search-container {
    flex: 1;
    min-width: 250px;
}

.search-input-group {
    display: flex;
    gap: var(--spacing-sm);
}

.search-input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.875rem;
}

.search-input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.1);
}

.filter-container {
    min-width: 200px;
}

.filter-select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.875rem;
}

/* Items Container */
.items-container {
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    padding: var(--spacing-md);
}

.items-container::-webkit-scrollbar {
    width: 8px;
}

.items-container::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

.items-container::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.items-container::-webkit-scrollbar-thumb:hover {
    background: var(--border-hover);
}

/* Item Card Enhancements */
.item-card.selected {
    border-color: var(--accent-color);
    background: var(--bg-hover);
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.1);
}

.item-card.selected .item-icon {
    color: var(--accent-color);
}

.item-id {
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 600;
}

.item-category {
    color: var(--text-muted);
    font-size: 0.75rem;
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 10px;
    display: inline-block;
    margin-top: var(--spacing-xs);
}

.item-type {
    color: var(--text-muted);
    font-size: 0.7rem;
    font-style: italic;
    margin-top: var(--spacing-xs);
}

/* Items Stats */
.items-stats {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    text-align: center;
}

.items-stats span {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Button Large */
.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
    font-weight: 600;
}

/* Recharge Page Styles */
.recharge-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.recharge-sections {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.recharge-section {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.section-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.section-header h2 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    color: var(--text-primary);
    margin: 0;
}

.section-header h2 i {
    color: var(--accent-color);
}

/* Bank Info Card */
.bank-info-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: 1px solid var(--border-color);
}

.bank-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.bank-logo {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #1e40af, #3b82f6);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    flex-shrink: 0;
}

.bank-details h3 {
    color: var(--text-primary);
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.bank-name {
    color: var(--text-secondary);
    font-size: 1rem;
    margin: 0;
}

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

.info-item {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
}

.info-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-hover);
}

.info-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.info-label i {
    color: var(--accent-color);
    width: 16px;
}

.info-value {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
}

.info-value span {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    flex: 1;
    word-break: break-all;
}

.copy-btn {
    background: var(--accent-color);
    color: var(--bg-primary);
    border: none;
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 35px;
    height: 35px;
    flex-shrink: 0;
}

.copy-btn:hover {
    background: var(--primary-color);
    transform: scale(1.05);
}

.account-number {
    font-family: 'Courier New', monospace;
    font-size: 1.2rem;
    color: var(--success-color);
    font-weight: bold;
}

/* QR Code Card */
.qr-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.qr-container {
    text-align: center;
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.qr-image {
    max-width: 250px;
    width: 100%;
    height: auto;
    border-radius: var(--radius-md);
}

.qr-info h3 {
    color: var(--text-primary);
    font-size: 1.3rem;
    margin-bottom: var(--spacing-md);
}

.qr-info p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

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

.step {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.step-number {
    width: 30px;
    height: 30px;
    background: var(--accent-color);
    color: var(--bg-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.step-content h4 {
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}

.step-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
    line-height: 1.5;
}

/* Guide Card */
.guide-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: 1px solid var(--border-color);
}

.guide-steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.guide-step {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
}

.guide-step:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-hover);
}

.step-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-primary);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.step-content h3 {
    color: var(--text-primary);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

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

.guide-notes {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
}

.guide-notes h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--warning-color);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
}

.guide-notes h3 i {
    color: var(--warning-color);
}

.guide-notes ul {
    margin: 0;
    padding-left: var(--spacing-lg);
    color: var(--text-secondary);
    line-height: 1.8;
}

.guide-notes li {
    margin-bottom: var(--spacing-sm);
}

.guide-notes strong {
    color: var(--text-primary);
}

/* Support Card */
.support-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: 1px solid var(--border-color);
}

.support-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.support-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
}

.support-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-hover);
}

.support-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-primary);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.support-content h3 {
    color: var(--text-primary);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.support-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
    line-height: 1.5;
}

/* Responsive Design for Recharge Page */
@media (max-width: 768px) {
    .recharge-section {
        padding: var(--spacing-lg);
    }
    
    .bank-header {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .bank-logo {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .bank-info-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .qr-card {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .qr-container {
        order: 2;
    }
    
    .qr-info {
        order: 1;
    }
    
    .guide-step {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .step-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .support-info {
        grid-template-columns: 1fr;
    }
    
    .support-item {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .support-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .recharge-section {
        padding: var(--spacing-md);
    }
    
    .bank-info-card,
    .guide-card,
    .support-card {
        padding: var(--spacing-lg);
    }
    
    .info-item {
        padding: var(--spacing-md);
    }
    
    .qr-container {
        padding: var(--spacing-md);
    }
    
    .qr-image {
        max-width: 200px;
    }
}

/* QR Generator Styles */
.qr-generator {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--border-color);
}

.qr-generator h4 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-primary);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
}

.qr-generator h4 i {
    color: var(--accent-color);
}

.amount-input-group {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.amount-input {
    flex: 1;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.amount-input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.1);
}

.amount-input::placeholder {
    color: var(--text-muted);
}

/* QR Modal Styles */
.qr-modal-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.transaction-info {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

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

.info-row .label {
    color: var(--text-secondary);
    font-weight: 500;
}

.info-row .value {
    color: var(--text-primary);
    font-weight: 600;
}

.info-row .value.amount {
    color: var(--success-color);
    font-size: 1.1rem;
}

.qr-modal-qr {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.qr-display {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.qr-code-container {
    margin-bottom: var(--spacing-md);
}

.qr-modal-image {
    max-width: 200px;
    width: 100%;
    height: auto;
    border-radius: var(--radius-md);
}

.qr-instruction {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
}

.modal-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

/* Responsive QR Modal */
@media (max-width: 768px) {
    .qr-modal-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .amount-input-group {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .amount-input {
        width: 100%;
    }
    
    .modal-actions {
        flex-direction: column;
    }
    
    .modal-actions .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .qr-generator {
        padding: var(--spacing-md);
    }
    
    .transaction-info {
        padding: var(--spacing-md);
    }
    
    .info-row {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }
    
    .qr-display {
        padding: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    .items-grid {
        grid-template-columns: 1fr;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .items-controls {
        flex-direction: column;
    }
    
    .search-container,
    .filter-container {
        min-width: auto;
    }
    
    .player-info {
        flex-direction: column;
        text-align: center;
    }
    
    .item-type-selector {
        grid-template-columns: 1fr;
    }
    
    .item-type-option {
        flex-direction: column;
        text-align: center;
    }
    
    .player-search-container {
        flex-direction: column;
    }
}
    
    .page-actions {
        width: 100%;
        justify-content: flex-start;
    }
    
    .search-input-group {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .search-input-group .btn {
        width: 100%;
    }
}

/* Captcha Styles */
.captcha-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.captcha-image {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    width: fit-content;
}

.captcha-image img {
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: #ffffff;
}

.captcha-refresh {
    background: var(--bg-hover);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
}

.captcha-refresh:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-hover);
    transform: rotate(180deg);
}

.captcha-refresh i {
    font-size: 15px;
}

/* Form Help Text */
.form-help {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--text-muted);
    font-style: italic;
}

/* Success Alert */
.alert-success {
    background: rgba(0, 255, 0, 0.1);
    border: 1px solid var(--success-color);
    color: var(--success-color);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.alert-success i {
    font-size: 1.2rem;
}

/* Responsive Captcha */
@media (max-width: 768px) {
    .captcha-image {
        flex-direction: column;
        text-align: center;
    }
    
    .captcha-refresh {
        align-self: center;
    }
}