/* =============================================
   DERIV TRADING SIGNALS - MAIN STYLESHEET
   Navy Blue + Red Theme | Mobile-First Responsive
   ============================================= */

/* =============================================
   CSS VARIABLES (Root Variables)
   ============================================= */

:root {
    /* Primary Colors */
    --navy-dark: #07152A;
    --navy: #0B1F3A;
    --navy-light: #1a2f4e;
    --navy-lighter: #243b5e;
    
    /* Accent Colors */
    --red: #E63946;
    --red-dark: #c1121f;
    --red-light: #ff6b7a;
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-light: #f5f5f5;
    --gray: #ddd;
    --gray-dark: #aaa;
    --dark: #1a1a2e;
    --black: #0a0a0a;
    
    /* Status Colors */
    --success: #2ecc71;
    --success-dark: #27ae60;
    --warning: #f39c12;
    --warning-dark: #e67e22;
    --danger: #E63946;
    --info: #3498db;
    --info-dark: #2980b9;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.2);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.25);
    
    /* Borders */
    --border-radius-sm: 4px;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    --border-radius-2xl: 24px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
}

/* =============================================
   RESET & BASE STYLES
   ============================================= */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--navy);
    color: var(--white);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}

/* =============================================
   TYPOGRAPHY
   ============================================= */

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--white);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--red);
}

/* =============================================
   LAYOUT & CONTAINER
   ============================================= */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* =============================================
   AUTHENTICATION CARDS (Login/Register)
   ============================================= */

.auth-card {
    max-width: 500px;
    margin: 50px auto;
    background: var(--navy-light);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-xl);
    animation: fadeInUp 0.5s ease;
}

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

.auth-card .logo h1 {
    font-size: 1.75rem;
    margin-top: var(--spacing-md);
    background: linear-gradient(135deg, var(--white) 0%, var(--red-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-card h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--white);
}

/* =============================================
   DASHBOARD LAYOUT
   ============================================= */

.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: linear-gradient(180deg, var(--navy) 0%, var(--navy-dark) 100%);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
    transition: left 0.3s ease;
    box-shadow: var(--shadow-lg);
}

.sidebar-header {
    padding: var(--spacing-xl) var(--spacing-lg);
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: var(--spacing-lg);
}

.sidebar-header h2 {
    font-size: 1.5rem;
    margin-bottom: 0;
    background: linear-gradient(135deg, var(--white) 0%, var(--red) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-nav {
    padding: 0 var(--spacing-md) var(--spacing-xl) var(--spacing-md);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--white);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: all var(--transition);
    margin-bottom: var(--spacing-xs);
}

.nav-link:hover {
    background: rgba(230, 57, 70, 0.15);
    transform: translateX(5px);
}

.nav-link.active {
    background: var(--red);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 280px;
    padding: var(--spacing-lg);
    background: var(--navy);
    min-height: 100vh;
}

/* Top Bar */
.top-bar {
    background: var(--navy-light);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

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

.user-avatar {
    width: 40px;
    height: 40px;
    background: var(--red);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

/* =============================================
   STATS CARDS
   ============================================= */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.stat-card {
    background: linear-gradient(135deg, var(--navy-light) 0%, var(--navy-lighter) 100%);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

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

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.stat-title {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.7;
    margin-bottom: var(--spacing-sm);
}

.stat-value {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: var(--spacing-xs);
    color: var(--white);
}

.stat-sub {
    font-size: 0.75rem;
    opacity: 0.6;
}

/* =============================================
   CARDS
   ============================================= */

.card {
    background: var(--navy-light);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition);
}

.card:hover {
    transform: translateY(-2px);
}

.card-header {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    background: rgba(0,0,0,0.2);
}

.card-header h3 {
    margin: 0;
    font-size: 1.25rem;
}

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

/* =============================================
   FORMS
   ============================================= */

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--gray);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid rgba(255,255,255,0.2);
    background: rgba(255,255,255,0.05);
    color: var(--white);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: all var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--red);
    background: rgba(255,255,255,0.1);
    box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.1);
}

.form-group input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* =============================================
   BUTTONS
   ============================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background: var(--red);
    color: var(--white);
    box-shadow: var(--shadow-sm);
}

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

.btn-primary:active {
    transform: translateY(0);
}

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

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

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

.btn-success:hover {
    background: var(--success-dark);
}

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

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

.btn-outline:hover {
    border-color: var(--red);
    color: var(--red);
}

.btn-block {
    display: flex;
    width: 100%;
}

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

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: 1.125rem;
}

/* =============================================
   TRADING SIGNALS
   ============================================= */

.signals-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.signal-card {
    background: rgba(255,255,255,0.05);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    border-left: 4px solid;
    transition: all var(--transition);
}

.signal-card:hover {
    transform: translateX(5px);
    background: rgba(255,255,255,0.08);
}

.signal-buy {
    border-left-color: var(--success);
}

.signal-sell {
    border-left-color: var(--red);
}

.signal-neutral {
    border-left-color: var(--warning);
}

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

.signal-asset {
    font-size: 1.25rem;
    font-weight: bold;
}

.signal-type {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: bold;
    text-transform: uppercase;
}

.signal-type.buy {
    background: var(--success);
    color: white;
}

.signal-type.sell {
    background: var(--red);
    color: white;
}

.signal-type.neutral {
    background: var(--warning);
    color: white;
}

.signal-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255,255,255,0.1);
}

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

.signal-detail-label {
    font-size: 0.75rem;
    opacity: 0.6;
    margin-bottom: var(--spacing-xs);
}

.signal-detail-value {
    font-size: 0.875rem;
    font-weight: bold;
}

/* =============================================
   TABLES
   ============================================= */

.table-container {
    overflow-x: auto;
    margin: var(--spacing-lg) 0;
    -webkit-overflow-scrolling: touch;
}

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

th, td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

th {
    font-weight: 600;
    color: var(--gray);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

tr:hover td {
    background: rgba(255,255,255,0.03);
}

/* =============================================
   ALERTS & NOTIFICATIONS
   ============================================= */

.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
    animation: slideIn 0.3s ease;
}

.alert-success {
    background: rgba(46, 204, 113, 0.2);
    border: 1px solid var(--success);
    color: var(--success);
}

.alert-error {
    background: rgba(230, 57, 70, 0.2);
    border: 1px solid var(--red);
    color: var(--red);
}

.alert-warning {
    background: rgba(243, 156, 18, 0.2);
    border: 1px solid var(--warning);
    color: var(--warning);
}

.alert-info {
    background: rgba(52, 152, 219, 0.2);
    border: 1px solid var(--info);
    color: var(--info);
}

/* Notifications List */
.notifications-list {
    list-style: none;
}

.notifications-list li {
    padding: var(--spacing-md);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    transition: background var(--transition);
}

.notifications-list li:hover {
    background: rgba(255,255,255,0.03);
}

.notifications-list li.unread {
    background: rgba(230, 57, 70, 0.1);
    border-left: 3px solid var(--red);
}

.notifications-list li strong {
    display: block;
    margin-bottom: var(--spacing-xs);
}

.notifications-list li p {
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
}

.notifications-list li small {
    font-size: 0.75rem;
    opacity: 0.5;
}

/* =============================================
   TOAST NOTIFICATIONS
   ============================================= */

.toast-notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--navy-light);
    color: var(--white);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-xl);
    z-index: 1000;
    animation: slideInRight 0.3s ease;
    border-left: 3px solid var(--success);
}

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

/* =============================================
   PROGRESS BARS & COUNTDOWN
   ============================================= */

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(255,255,255,0.1);
    border-radius: 10px;
    overflow: hidden;
    margin: var(--spacing-md) 0;
}

.progress-fill {
    height: 100%;
    background: var(--red);
    border-radius: 10px;
    transition: width var(--transition);
}

.countdown-timer {
    font-size: 2rem;
    font-weight: bold;
    color: var(--red);
    text-align: center;
    margin: var(--spacing-md) 0;
}

/* =============================================
   PAGINATION
   ============================================= */

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

.pagination a,
.pagination span {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--navy-light);
    border-radius: var(--border-radius);
    transition: all var(--transition);
}

.pagination a:hover {
    background: var(--red);
}

.pagination .active {
    background: var(--red);
}

/* =============================================
   ANIMATIONS
   ============================================= */

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.fade-in {
    animation: fadeIn 0.5s ease;
}

.slide-in {
    animation: slideIn 0.3s ease;
}

/* =============================================
   LOADING SPINNER
   ============================================= */

.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: var(--white);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* =============================================
   MOBILE MENU BUTTON & OVERLAY - FORCED VISIBLE
   ============================================= */

.menu-toggle {
    display: none;
    position: fixed;
    top: 15px;
    left: 15px;
    z-index: 1001;
    background: var(--red);
    border: none;
    color: white;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 24px;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition);
}

.menu-toggle:hover {
    background: var(--red-dark);
    transform: scale(1.05);
}

.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 998;
    cursor: pointer;
}

.sidebar-overlay.active {
    display: block;
}

/* =============================================
   SOCIAL BUTTONS
   ============================================= */

.social-buttons {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 99;
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 50px;
    color: white;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.social-btn:hover {
    transform: scale(1.05);
    color: white;
}

.telegram-btn { background: #0088cc; }
.telegram-btn:hover { background: #006699; }
.whatsapp-btn { background: #25D366; }
.whatsapp-btn:hover { background: #128C7E; }

/* =============================================
   RESPONSIVE DESIGN - COMPLETE
   ============================================= */

/* Tablet */
@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
}

/* Mobile Landscape & Portrait */
@media (max-width: 768px) {
    /* Force menu button to show */
    .menu-toggle {
        display: flex !important;
        position: fixed !important;
        top: 15px !important;
        left: 15px !important;
        z-index: 10001 !important;
        background: #E63946 !important;
        border: none !important;
        color: white !important;
        width: 50px !important;
        height: 50px !important;
        border-radius: 50% !important;
        cursor: pointer !important;
        font-size: 28px !important;
        align-items: center !important;
        justify-content: center !important;
        box-shadow: 0 2px 10px rgba(0,0,0,0.3) !important;
    }
    
    /* Sidebar - hidden by default */
    .sidebar {
        position: fixed !important;
        left: -300px !important;
        top: 0 !important;
        width: 280px !important;
        height: 100% !important;
        z-index: 9999 !important;
        transition: left 0.3s ease !important;
        overflow-y: auto !important;
    }
    
    /* Sidebar when open */
    .sidebar.open {
        left: 0 !important;
    }
    
    /* Overlay */
    .sidebar-overlay {
        display: none !important;
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        width: 100% !important;
        height: 100% !important;
        background: rgba(0,0,0,0.7) !important;
        z-index: 9998 !important;
        cursor: pointer !important;
    }
    
    .sidebar-overlay.active {
        display: block !important;
    }
    
    /* Main content */
    .main-content {
        margin-left: 0 !important;
        padding: 15px !important;
        padding-top: 70px !important;
        width: 100% !important;
    }
    
    /* Top bar */
    .top-bar {
        flex-direction: column !important;
        text-align: center !important;
        padding: 12px !important;
        margin-top: 0 !important;
    }
    
    .user-info {
        justify-content: center !important;
    }
    
    /* Stats cards - 2 columns on mobile */
    .referral-stats, .stats-mini, .stats-grid {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 10px !important;
    }
    
    .stat-card, .stat-mini-card {
        padding: 12px 8px !important;
    }
    
    .stat-value {
        font-size: 18px !important;
    }
    
    .stat-title {
        font-size: 11px !important;
    }
    
    /* Cards */
    .card {
        margin-bottom: 15px !important;
    }
    
    .card-header {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 10px !important;
        padding: 12px 15px !important;
    }
    
    .card-header h3 {
        font-size: 16px !important;
    }
    
    .card-body {
        padding: 12px !important;
    }
    
    /* Forms */
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 8px !important;
        font-size: 14px !important;
    }
    
    /* Buttons */
    .btn {
        padding: 8px 16px !important;
        font-size: 13px !important;
    }
    
    .action-buttons {
        display: flex !important;
        flex-wrap: wrap !important;
        gap: 5px !important;
    }
    
    .action-btn {
        padding: 4px 8px !important;
        font-size: 10px !important;
    }
    
    /* Commission info */
    .commission-info {
        margin-top: 0 !important;
        padding: 12px !important;
    }
    
    .commission-info h4 {
        font-size: 14px !important;
    }
    
    .commission-details {
        flex-direction: column !important;
        align-items: center !important;
        gap: 8px !important;
    }
    
    /* Tables - horizontal scroll */
    .table-container {
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch !important;
    }
    
    table {
        min-width: 600px !important;
    }
    
    th, td {
        padding: 8px !important;
        font-size: 12px !important;
    }
    
    /* Filter bar */
    .filter-bar {
        flex-direction: column !important;
    }
    
    .search-box {
        width: 100% !important;
    }
    
    .filter-select {
        width: 100% !important;
    }
    
    .filter-select select {
        width: 100% !important;
    }
    
    /* Pagination */
    .pagination {
        flex-wrap: wrap !important;
        gap: 5px !important;
    }
    
    .pagination a {
        padding: 5px 10px !important;
        font-size: 12px !important;
    }
    
    /* Alerts */
    .alert {
        padding: 12px !important;
        font-size: 13px !important;
    }
    
    /* Modal */
    .modal-content {
        width: 95% !important;
        margin: 10px !important;
        padding: 20px !important;
    }
    
    /* Settings page */
    .settings-section {
        padding: 15px !important;
    }
    
    .price-input-group {
        flex-direction: column !important;
        gap: 10px !important;
    }
    
    .row-2cols {
        grid-template-columns: 1fr !important;
    }
    
    .social-links {
        grid-template-columns: 1fr !important;
    }
    
    /* How it works grid */
    .card-body > div[style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
        gap: 15px !important;
    }
    
    /* Social buttons */
    .social-buttons {
        bottom: 15px !important;
        right: 15px !important;
        gap: 8px !important;
        z-index: 998 !important;
    }
    
    .social-btn {
        padding: 8px !important;
        border-radius: 50% !important;
        width: 45px !important;
        height: 45px !important;
        font-size: 20px !important;
    }
    
    .social-btn span {
        display: none !important;
    }
}

/* Extra small devices (phones under 480px) */
@media (max-width: 480px) {
    .referral-stats, .stats-mini, .stats-grid {
        grid-template-columns: 1fr !important;
    }
    
    .stat-value {
        font-size: 16px !important;
    }
    
    h3 {
        font-size: 16px !important;
    }
    
    .card-header h3 {
        font-size: 14px !important;
    }
    
    .btn {
        padding: 6px 12px !important;
        font-size: 12px !important;
    }
}

/* Desktop styles */
@media (min-width: 769px) {
    .menu-toggle {
        display: none !important;
    }
    
    .sidebar {
        left: 0 !important;
        position: fixed !important;
    }
    
    .sidebar-overlay {
        display: none !important;
    }
    
    .main-content {
        margin-left: 280px !important;
        padding: 20px !important;
    }
    
    .social-btn span {
        display: inline !important;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --navy: #07152A;
        --navy-light: #0F1F3A;
    }
}

/* Print Styles */
@media print {
    .sidebar,
    .menu-toggle,
    .social-buttons,
    .sidebar-overlay,
    .telegram-chat {
        display: none !important;
    }
    
    .main-content {
        margin: 0 !important;
        padding: 0 !important;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .card {
        break-inside: avoid;
        box-shadow: none;
    }
}

/* =============================================
   CURRENCY DISPLAY (USD + NGN)
   ============================================= */

/* Sub-line under a USD price showing the Naira equivalent */
.naira-value {
    font-size: 0.85em;
    color: var(--gray-dark);
    font-weight: normal;
    display: inline-block;
    margin-top: 2px;
    letter-spacing: 0.3px;
}

/* When NGN appears inline next to USD in the same line */
.price-dual {
    display: inline-flex;
    align-items: baseline;
    gap: 6px;
    flex-wrap: wrap;
}

.price-dual .usd {
    font-weight: 600;
}

.price-dual .ngn {
    font-size: 0.85em;
    color: var(--gray-dark);
    opacity: 0.9;
}

/* Larger display for plan cards / checkout */
.price-dual-lg {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
}

.price-dual-lg .usd {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
}

.price-dual-lg .ngn {
    font-size: 0.95rem;
    color: var(--gray-dark);
}

/* Mobile tweaks for currency display */
@media (max-width: 768px) {
    .price-dual-lg .usd {
        font-size: 1.25rem;
    }
    .price-dual-lg .ngn {
        font-size: 0.85rem;
    }
    .naira-value {
        font-size: 0.8em;
    }
}

/* =============================================
   UTILITY CLASSES
   ============================================= */

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

.text-success { color: var(--success); }
.text-danger { color: var(--red); }
.text-warning { color: var(--warning); }
.text-info { color: var(--info); }

.mt-0 { margin-top: 0; }
.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); }
.mt-5 { margin-top: var(--spacing-2xl); }

.mb-0 { margin-bottom: 0; }
.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); }
.mb-5 { margin-bottom: var(--spacing-2xl); }

.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }
.p-4 { padding: var(--spacing-xl); }
.p-5 { padding: var(--spacing-2xl); }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.flex-wrap { flex-wrap: wrap; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.align-center { align-items: center; }

.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }

.w-100 { width: 100%; }
.h-100 { height: 100%; }