/* ===============================================
   SELLCONFIG - CYBERPUNK DARK THEME
   Premium VPN Config Selling Platform
   =============================================== */

/* CSS Variables - Color Palette */
:root {
    /* Primary Colors - Cyberpunk */
    --bg-primary: #0B0C10;
    --bg-secondary: #1F2833;
    --bg-tertiary: #2a3441;
    --bg-card: rgba(31, 40, 51, 0.8);

    /* Accent Colors */
    --accent-primary: #66FCF1;
    --accent-secondary: #45A29E;
    --accent-gradient: linear-gradient(135deg, #66FCF1 0%, #45A29E 100%);
    --accent-glow: 0 0 20px rgba(102, 252, 241, 0.4);

    /* Text Colors */
    --text-primary: #FFFFFF;
    --text-secondary: #C5C6C7;
    --text-muted: #8892a0;

    /* Status Colors */
    --success: #10B981;
    --error: #EF4444;
    --warning: #F59E0B;
    --info: #3B82F6;

    /* Fonts */
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Rajdhani', sans-serif;

    /* Spacing */
    --container-max: 1200px;
    --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: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 400;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Animated Background */
.cyber-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.cyber-grid {
    position: absolute;
    width: 200%;
    height: 200%;
    background-image:
        linear-gradient(rgba(102, 252, 241, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(102, 252, 241, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% {
        transform: translate(0, 0);
    }

    100% {
        transform: translate(-50px, -50px);
    }
}

.cyber-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(102, 252, 241, 0.1) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    animation: glowPulse 4s ease-in-out infinite;
}

@keyframes glowPulse {

    0%,
    100% {
        opacity: 0.3;
        transform: translate(-50%, -50%) scale(1);
    }

    50% {
        opacity: 0.6;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(11, 12, 16, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(102, 252, 241, 0.1);
    padding: var(--spacing-md) 0;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo-icon {
    font-size: 1.8rem;
    animation: iconPulse 2s ease-in-out infinite;
}

@keyframes iconPulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.1);
    }
}

.logo-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-primary);
    background: rgba(102, 252, 241, 0.1);
}

.nav-admin {
    color: var(--warning);
}

.nav-admin:hover {
    color: var(--warning);
    background: rgba(245, 158, 11, 0.1);
}

.nav-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding-left: var(--spacing-md);
    border-left: 1px solid rgba(102, 252, 241, 0.2);
}

.user-name {
    color: var(--accent-primary);
    font-weight: 600;
}

.btn-logout {
    background: transparent;
    border: 1px solid var(--error);
    color: var(--error);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-family: var(--font-body);
    font-weight: 500;
    transition: var(--transition-normal);
}

.btn-logout:hover {
    background: var(--error);
    color: var(--text-primary);
}

.btn-primary-nav {
    background: var(--accent-gradient);
    color: var(--bg-primary);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-normal);
    box-shadow: var(--accent-glow);
}

.btn-primary-nav:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(102, 252, 241, 0.6);
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--accent-primary);
    transition: var(--transition-normal);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(11, 12, 16, 0.98);
    backdrop-filter: blur(10px);
    padding: var(--spacing-lg);
    flex-direction: column;
    gap: var(--spacing-sm);
    z-index: 999;
    border-bottom: 1px solid rgba(102, 252, 241, 0.1);
    transform: translateY(-100%);
    opacity: 0;
    transition: var(--transition-normal);
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
}

.mobile-link {
    display: block;
    padding: var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    background: transparent;
    border: none;
    width: 100%;
    text-align: left;
    font-size: 1rem;
    cursor: pointer;
    font-family: var(--font-body);
}

.mobile-link:hover,
.mobile-link.primary {
    background: rgba(102, 252, 241, 0.1);
    color: var(--accent-primary);
}

.mobile-link.primary {
    background: var(--accent-gradient);
    color: var(--bg-primary);
}

.mobile-link.logout-btn {
    color: var(--error);
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .mobile-menu {
        display: flex;
    }
}

/* Alerts */
.alert {
    position: fixed;
    top: 90px;
    right: 20px;
    z-index: 1001;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
    animation: slideIn 0.3s ease;
    max-width: 400px;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.alert-success {
    background: rgba(16, 185, 129, 0.2);
    border: 1px solid var(--success);
    color: var(--success);
}

.alert-error {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid var(--error);
    color: var(--error);
}

.alert-icon {
    font-size: 1.2rem;
}

.alert-close {
    background: transparent;
    border: none;
    color: inherit;
    font-size: 1.5rem;
    cursor: pointer;
    margin-left: auto;
    line-height: 1;
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 200px);
    padding-top: 100px;
    padding-bottom: var(--spacing-2xl);
}

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

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 40px rgba(102, 252, 241, 0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

.hero-badges {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid rgba(102, 252, 241, 0.2);
    border-radius: var(--radius-xl);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.badge-icon {
    font-size: 1rem;
}

/* Plans Grid */
.section-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xl);
    text-align: center;
    color: var(--text-primary);
}

.plans-grid {
    display: grid !important;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)) !important;
    gap: 15px !important;
    padding: 0 10px !important;
}

.plan-card {
    background: linear-gradient(145deg, rgba(31, 40, 51, 0.6), rgba(11, 12, 16, 0.8)) !important;
    border: 1px solid rgba(102, 252, 241, 0.15) !important;
    max-width: 100%;
    padding: 12px !important;
}

.plan-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-gradient);
    opacity: 0.5;
    transition: var(--transition-normal);
}

.plan-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px rgba(102, 252, 241, 0.2);
}

.plan-card:hover::before {
    opacity: 1;
    height: 4px;
}

.plan-image {
    width: 100%;
    height: 70px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-xs);
    background: var(--bg-tertiary);
    transition: var(--transition-normal);
}

.plan-card:hover .plan-image {
    transform: scale(1.05);
}

.plan-name {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 2px;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.plan-duration {
    display: inline-block;
    padding: 2px 8px;
    background: rgba(102, 252, 241, 0.1);
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-sm);
    width: fit-content;
}

.plan-description {
    color: var(--text-secondary);
    font-size: 0.75rem;
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.plan-price {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-xs);
}

.plan-price span {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--text-muted);
}

.plan-stock {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-bottom: var(--spacing-xs);
    font-size: 0.7rem;
}

.stock-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.stock-indicator.available {
    background: var(--success);
    box-shadow: 0 0 10px var(--success);
}

.stock-indicator.out {
    background: var(--error);
    box-shadow: 0 0 10px var(--error);
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.stock-text {
    color: var(--text-secondary);
}

.stock-count {
    color: var(--success);
    font-weight: 600;
}

.stock-out {
    color: var(--error);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-normal);
    border: none;
    width: 100%;
}

.btn-primary {
    background: var(--accent-gradient);
    color: var(--bg-primary);
    box-shadow: var(--accent-glow);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(102, 252, 241, 0.6);
}

.btn-primary:disabled {
    background: var(--bg-tertiary);
    color: var(--text-muted);
    box-shadow: none;
    cursor: not-allowed;
}

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

.btn-secondary:hover {
    background: rgba(102, 252, 241, 0.1);
}

.btn-danger {
    background: var(--error);
    color: var(--text-primary);
}

.btn-danger:hover {
    background: #dc2626;
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
}

.btn-icon {
    padding: var(--spacing-sm);
    width: auto;
}

/* Footer */
.footer {
    background: rgba(31, 40, 51, 0.5);
    border-top: 1px solid rgba(102, 252, 241, 0.1);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    margin-top: auto;
}

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

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

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

.whatsapp-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    background: #25D366;
    color: white;
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: var(--transition-normal);
}

.whatsapp-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(37, 211, 102, 0.4);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(102, 252, 241, 0.1);
    color: var(--text-muted);
    font-size: 0.875rem;
}

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

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid rgba(102, 252, 241, 0.2);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-normal);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(102, 252, 241, 0.1);
}

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

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

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2366FCF1' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.form-error {
    color: var(--error);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
}

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

.form-checkbox input {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-primary);
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid rgba(102, 252, 241, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(102, 252, 241, 0.1);
}

.card-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
}

/* Auth Pages */
.auth-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 100px);
    padding: var(--spacing-xl);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--bg-card);
    border: 1px solid rgba(102, 252, 241, 0.15);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
}

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

.auth-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-subtitle {
    color: var(--text-secondary);
}

.auth-footer {
    text-align: center;
    margin-top: var(--spacing-xl);
    color: var(--text-secondary);
}

.auth-footer a {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 600;
}

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

/* Tables */
.table-container {
    overflow-x: auto;
}

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

.table th,
.table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid rgba(102, 252, 241, 0.1);
}

.table th {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table tbody tr:hover {
    background: rgba(102, 252, 241, 0.05);
}

/* Status Badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

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

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

.status-pending {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

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

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

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
}

.pagination a,
.pagination span {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid rgba(102, 252, 241, 0.2);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-normal);
}

.pagination a:hover {
    background: rgba(102, 252, 241, 0.1);
    color: var(--accent-primary);
}

.pagination .active span {
    background: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
}

.empty-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

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

/* Config Display */
.config-box {
    background: var(--bg-primary);
    border: 1px solid rgba(102, 252, 241, 0.3);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    position: relative;
    overflow: hidden;
}

.config-content {
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
    color: var(--accent-primary);
    word-break: break-all;
    white-space: pre-wrap;
    max-height: 200px;
    overflow-y: auto;
}

.copy-btn {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--accent-gradient);
    color: var(--bg-primary);
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
}

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

.copy-btn.copied {
    background: var(--success);
}

/* Waiting/Loading Animation */
.loading-container {
    text-align: center;
    padding: var(--spacing-2xl);
}

.loading-spinner {
    width: 80px;
    height: 80px;
    border: 4px solid var(--bg-tertiary);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-xl);
}

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

.loading-text {
    font-size: 1.25rem;
    color: var(--text-secondary);
    animation: blink 1.5s ease-in-out infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* Utility Classes */
.inline {
    display: inline;
}

.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.text-success {
    color: var(--success);
}

.text-error {
    color: var(--error);
}

.text-warning {
    color: var(--warning);
}

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

.mt-1 {
    margin-top: var(--spacing-sm);
}

.mt-2 {
    margin-top: var(--spacing-md);
}

.mt-3 {
    margin-top: var(--spacing-lg);
}

.mt-4 {
    margin-top: var(--spacing-xl);
}

.mb-1 {
    margin-bottom: var(--spacing-sm);
}

.mb-2 {
    margin-bottom: var(--spacing-md);
}

.mb-3 {
    margin-bottom: var(--spacing-lg);
}

.mb-4 {
    margin-bottom: var(--spacing-xl);
}

.flex {
    display: flex;
}

.flex-wrap {
    flex-wrap: wrap;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-1 {
    gap: var(--spacing-sm);
}

.gap-2 {
    gap: var(--spacing-md);
}

.gap-3 {
    gap: var(--spacing-lg);
}

/* Responsive */
@media (max-width: 640px) {
    .hero-title {
        font-size: 1.8rem;
        line-height: 1.2;
    }

    .plans-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 12px;
        padding: 0 10px;
    }

    .plan-card {
        padding: 12px;
        border-radius: var(--radius-md);
    }

    .plan-name {
        font-size: 0.9rem;
        margin-bottom: 4px;
        display: -webkit-box;
        -webkit-line-clamp: 1;
        line-clamp: 1;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .plan-image {
        height: 70px;
        margin-bottom: 8px;
    }

    .plan-price {
        font-size: 1.15rem;
    }

    .btn {
        padding: 10px 5px;
        font-size: 0.8rem;
    }

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

    .table th,
    .table td {
        padding: var(--spacing-sm);
        font-size: 0.875rem;
    }
}