/* BR SIM SMS - CSS Premium v2.0 */
/* Design moderno com tema claro/escuro e otimização mobile */

:root {
    /* Cores principais */
    --primary: #7c3aed;
    --primary-light: #a78bfa;
    --primary-dark: #5b21b6;
    --primary-glow: rgba(124, 58, 237, 0.3);
    
    /* Cores de sucesso (verde vivo) */
    --success: #10b981;
    --success-light: #34d399;
    --success-dark: #059669;
    --success-bg: rgba(16, 185, 129, 0.1);
    
    /* Cores de alerta */
    --warning: #f59e0b;
    --warning-light: #fbbf24;
    --warning-bg: rgba(245, 158, 11, 0.1);
    
    /* Cores de erro */
    --danger: #ef4444;
    --danger-light: #f87171;
    --danger-bg: rgba(239, 68, 68, 0.1);
    
    /* Cores de info */
    --info: #3b82f6;
    --info-light: #60a5fa;
    --info-bg: rgba(59, 130, 246, 0.1);
    
    /* Tema claro */
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --bg-hover: #e2e8f0;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
    
    /* Dimensões */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    
    /* Sidebar */
    --sidebar-width: 240px;
}

/* Tema escuro */
[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-hover: #475569;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    --border-color: #334155;
    --shadow-sm: 0 1px 2px 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);
}

/* Reset e base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* Layout principal */
.app-container { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sidebar-logo {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
}

.sidebar-brand {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.sidebar-brand span { color: var(--primary); }

.sidebar-nav {
    flex: 1;
    padding: 0.75rem;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 0.85rem;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
    margin-bottom: 0.25rem;
}

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

.nav-item.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: var(--shadow-md);
}

.nav-item svg { width: 18px; height: 18px; flex-shrink: 0; }
.nav-divider { height: 1px; background: var(--border-color); margin: 0.75rem 0; }
.sidebar-footer { padding: 0.75rem; border-top: 1px solid var(--border-color); }

/* Conteúdo principal */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 1.25rem;
    min-height: 100vh;
    transition: margin-left 0.3s ease;
}

/* Header da página */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn svg { width: 16px; height: 16px; }

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-glow { box-shadow: 0 0 20px var(--primary-glow); }

.btn-success {
    background: linear-gradient(135deg, var(--success), var(--success-dark));
    color: white;
}

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

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

.btn-ghost {
    background: transparent;
    color: var(--primary);
    padding: 0.5rem 0.75rem;
}

.btn-ghost:hover { background: var(--primary-glow); }

.btn-danger {
    background: linear-gradient(135deg, var(--danger), #dc2626);
    color: white;
}

.btn-sm { padding: 0.4rem 0.75rem; font-size: 0.8rem; }
.btn-lg { padding: 0.75rem 1.5rem; font-size: 1rem; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

/* Stats Grid - Compacto */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.stat-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    transition: all 0.2s ease;
}

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

.stat-icon-wrapper {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon-svg { width: 22px; height: 22px; }

.stat-card-success .stat-icon-wrapper { background: var(--success-bg); color: var(--success); }
.stat-card-primary .stat-icon-wrapper { background: rgba(124, 58, 237, 0.1); color: var(--primary); }
.stat-card-warning .stat-icon-wrapper { background: var(--warning-bg); color: var(--warning); }
.stat-card-success-alt .stat-icon-wrapper { background: var(--success-bg); color: var(--success); }

.stat-content { flex: 1; min-width: 0; }
.stat-value { display: block; font-size: 1.25rem; font-weight: 700; color: var(--text-primary); line-height: 1.2; }
.stat-label { display: block; font-size: 0.75rem; color: var(--text-muted); margin-top: 0.15rem; }
.stat-trend { position: absolute; top: 0.5rem; right: 0.5rem; }
.stat-trend.positive { color: var(--success); }

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

/* Cards */
.card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.875rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-body { padding: 1rem; }

/* Listas de ativações e transações */
.activations-list, .transactions-list { padding: 0.5rem; }

.activation-item, .transaction-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 0.75rem;
    border-radius: var(--radius-md);
    transition: background 0.2s ease;
}

.activation-item:hover, .transaction-item:hover { background: var(--bg-tertiary); }
.activation-info { flex: 1; min-width: 0; }
.activation-service { display: block; font-size: 0.875rem; font-weight: 600; color: var(--text-primary); }
.activation-number { display: block; font-size: 0.75rem; color: var(--text-muted); font-family: 'SF Mono', Monaco, monospace; }

/* Status badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.6rem;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
}

.status-pending { background: var(--warning-bg); color: var(--warning); }
.status-success { background: var(--success-bg); color: var(--success); }
.status-danger { background: var(--danger-bg); color: var(--danger); }

/* Transações */
.transaction-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.tx-deposit { background: var(--success-bg); color: var(--success); }
.tx-purchase { background: rgba(124, 58, 237, 0.1); color: var(--primary); }
.tx-refund { background: var(--info-bg); color: var(--info); }

.transaction-info { flex: 1; min-width: 0; }
.transaction-type { display: block; font-size: 0.875rem; font-weight: 600; color: var(--text-primary); }
.transaction-date { display: block; font-size: 0.7rem; color: var(--text-muted); }
.transaction-amount { font-size: 0.9rem; font-weight: 700; }
.transaction-amount.positive { color: var(--success); }
.transaction-amount.negative { color: var(--danger); }

/* Empty state */
.empty-state { text-align: center; padding: 2rem 1rem; }
.empty-icon { color: var(--text-muted); margin-bottom: 0.75rem; }
.empty-text { color: var(--text-muted); font-size: 0.875rem; margin-bottom: 1rem; }

/* Forms */
.form-group { margin-bottom: 1rem; }
.form-label { display: block; font-size: 0.875rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 0.4rem; }

.form-control {
    width: 100%;
    padding: 0.65rem 0.875rem;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

/* Alerts */
.alert {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.alert-success { background: var(--success-bg); color: var(--success-dark); border: 1px solid var(--success); }
.alert-warning { background: var(--warning-bg); color: #92400e; border: 1px solid var(--warning); }
.alert-danger { background: var(--danger-bg); color: #991b1b; border: 1px solid var(--danger); }
.alert-info { background: var(--info-bg); color: #1e40af; border: 1px solid var(--info); }

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
}

.badge-success { background: var(--success-bg); color: var(--success); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-danger { background: var(--danger-bg); color: var(--danger); }
.badge-info { background: var(--info-bg); color: var(--info); }

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

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.table th, .table td {
    padding: 0.65rem 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table tbody tr:hover { background: var(--bg-tertiary); }

/* Progress bar */
.progress-container { margin: 1rem 0; }

.progress-bar-wrapper {
    background: var(--bg-tertiary);
    border-radius: 20px;
    height: 10px;
    overflow: hidden;
    position: relative;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--success));
    border-radius: 20px;
    transition: width 0.5s ease;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    margin-top: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Toast notifications */
.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--primary);
    animation: slideIn 0.3s ease;
    max-width: 350px;
}

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

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

/* WhatsApp button */
.whatsapp-float {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    width: 56px;
    height: 56px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: all 0.3s ease;
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

.whatsapp-float svg { width: 28px; height: 28px; }

/* Theme toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.theme-toggle:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* Mobile menu toggle */
.mobile-menu-toggle {
    display: none;
    position: fixed;
    top: 0.75rem;
    left: 0.75rem;
    z-index: 200;
    width: 40px;
    height: 40px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-primary);
}

/* Spinner */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Utilities */
.text-success { color: var(--success) !important; }
.text-danger { color: var(--danger) !important; }
.text-warning { color: var(--warning) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-primary { color: var(--primary) !important; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }

/* Admin specific styles */
.admin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1rem;
}

.admin-section {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: 1.25rem;
}

.admin-section-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.admin-section-title svg { width: 20px; height: 20px; color: var(--primary); }

/* User list */
.user-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    margin-bottom: 0.5rem;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 0.875rem;
}

.user-info { flex: 1; }
.user-name { font-weight: 600; color: var(--text-primary); font-size: 0.875rem; }
.user-email { font-size: 0.75rem; color: var(--text-muted); }
.user-balance { font-weight: 700; color: var(--success); font-size: 0.875rem; }

/* Balance badge no header */
.balance-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.4rem 0.75rem;
    background: var(--success-bg);
    color: var(--success);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
}

.balance-badge svg { width: 14px; height: 14px; }

/* Services grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 0.75rem;
}

.service-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.service-card:hover {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.service-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.service-info { flex: 1; }
.service-name { font-weight: 600; color: var(--text-primary); font-size: 0.9rem; }
.service-qty { font-size: 0.75rem; color: var(--text-muted); }
.service-price { font-weight: 700; color: var(--success); font-size: 0.95rem; }

/* Search input */
.search-wrapper { position: relative; margin-bottom: 1rem; }

.search-wrapper svg {
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--text-muted);
}

.search-input {
    width: 100%;
    padding: 0.75rem 0.875rem 0.75rem 2.75rem;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active { opacity: 1; visibility: visible; }

.modal {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 420px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal { transform: scale(1); }

.modal-header {
    padding: 1.25rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title { font-size: 1.1rem; font-weight: 700; }

.modal-close {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: all 0.2s ease;
}

.modal-close:hover { background: var(--danger-bg); color: var(--danger); }
.modal-body { padding: 1.25rem; }

.modal-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
}

/* Referral progress */
.referral-progress {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    margin-bottom: 1rem;
}

.referral-progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.referral-progress-title { font-weight: 600; color: var(--text-primary); font-size: 0.9rem; }
.referral-progress-count { font-weight: 700; color: var(--primary); }

.referral-progress-bar {
    height: 12px;
    background: var(--bg-primary);
    border-radius: 20px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.referral-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--success));
    border-radius: 20px;
    transition: width 0.5s ease;
    position: relative;
}

.referral-progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.referral-progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.referral-reward {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background: var(--success-bg);
    border-radius: var(--radius-md);
    margin-top: 0.75rem;
}

.referral-reward svg { width: 20px; height: 20px; color: var(--success); }
.referral-reward-text { font-size: 0.8rem; color: var(--success-dark); }
.referral-reward-value { font-weight: 700; color: var(--success); margin-left: auto; }

/* Responsive - Mobile */
@media (max-width: 1024px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .dashboard-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); width: 280px; }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; padding: 1rem; padding-top: 4rem; }
    .mobile-menu-toggle { display: flex; }
    .page-header { flex-direction: column; align-items: flex-start; }
    .page-title { font-size: 1.25rem; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 0.5rem; }
    .stat-card { padding: 0.75rem; }
    .stat-icon-wrapper { width: 36px; height: 36px; }
    .stat-icon-svg { width: 18px; height: 18px; }
    .stat-value { font-size: 1.1rem; }
    .stat-label { font-size: 0.65rem; }
    .card-header { padding: 0.75rem; flex-direction: column; align-items: flex-start; gap: 0.5rem; }
    .admin-grid { grid-template-columns: 1fr; }
    .whatsapp-float { width: 50px; height: 50px; bottom: 1rem; right: 1rem; }
    .whatsapp-float svg { width: 24px; height: 24px; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .stat-card { flex-direction: column; text-align: center; padding: 0.65rem; }
    .stat-trend { display: none; }
    .btn { padding: 0.5rem 0.75rem; font-size: 0.8rem; }
    .table { font-size: 0.75rem; }
    .table th, .table td { padding: 0.5rem; }
}

/* Overlay para mobile */
.sidebar-overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.5); z-index: 99; }
.sidebar-overlay.active { display: block; }


/* ========================================
   LANDING PAGE STYLES
   ======================================== */

/* Coupon Banner */
.coupon-banner {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    text-align: center;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.coupon-code {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-weight: 700;
}

/* Navbar */
.navbar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
}

.navbar-brand span {
    color: var(--primary);
}

.navbar-nav {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

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

.navbar-actions {
    display: flex;
    gap: 0.75rem;
}

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

.btn-outline:hover {
    background: var(--bg-tertiary);
}

/* Hero Section */
.hero {
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    padding: 4rem 0;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Phone Mockup */
.phone-mockup {
    width: 300px;
    height: 600px;
    background: linear-gradient(145deg, #1a1a2e, #16213e);
    border-radius: 40px;
    padding: 12px;
    box-shadow: 
        0 50px 100px -20px rgba(0, 0, 0, 0.25),
        0 30px 60px -30px rgba(0, 0, 0, 0.3),
        inset 0 -2px 6px rgba(255, 255, 255, 0.1);
    position: relative;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    border-radius: 32px;
    padding: 1.5rem;
    padding-top: 3rem;
    overflow: hidden;
}

.phone-notch {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 28px;
    background: #1a1a2e;
    border-radius: 20px;
    z-index: 10;
}

/* Apps Section */
.apps-section {
    background: var(--bg-tertiary);
    padding: 4rem 0;
}

.apps-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 2rem;
}

.apps-count {
    font-size: 4rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.apps-text {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 300px;
    margin-top: 0.5rem;
}

.apps-icons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    max-width: 500px;
}

.app-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    transition: transform 0.2s ease;
}

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

/* FAQ Section */
.faq-section {
    padding: 5rem 0;
    background: var(--bg-secondary);
}

.faq-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.faq-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.faq-subtitle {
    text-align: center;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 3rem;
    line-height: 1.6;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
}

.faq-item {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

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

.faq-question {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
}

.faq-icon {
    color: var(--primary);
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1;
    flex-shrink: 0;
    transition: transform 0.2s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.faq-item.active .faq-answer {
    max-height: 200px;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

/* WhatsApp Float Button */
.whatsapp-float {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: all 0.3s ease;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
    fill: white;
}

/* Landing Page Responsive */
@media (max-width: 968px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-image {
        order: -1;
    }
    
    .phone-mockup {
        width: 250px;
        height: 500px;
    }
    
    .apps-container {
        flex-direction: column;
        text-align: center;
    }
    
    .apps-text {
        max-width: 100%;
    }
    
    .apps-icons {
        justify-content: center;
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .navbar-nav {
        display: none;
    }
    
    .hero {
        padding: 2rem 0;
        min-height: auto;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .phone-mockup {
        width: 220px;
        height: 440px;
    }
    
    .apps-count {
        font-size: 3rem;
    }
    
    .app-icon {
        width: 48px;
        height: 48px;
    }
    
    .faq-title {
        font-size: 1.75rem;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
}


/* ========================================
   AUTHENTICATION PAGES (Login, Register, etc.)
   ======================================== */

.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-tertiary) 100%);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.auth-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.auth-header .logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
    margin-bottom: 1.5rem;
}

.auth-header .logo-icon {
    font-size: 2rem;
}

.auth-header .logo span {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

.auth-header .logo span:first-of-type {
    color: var(--primary);
}

.auth-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

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

.auth-card .form-group {
    margin-bottom: 1rem;
}

.auth-card .form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.auth-card .form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.auth-card .form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
    background: var(--bg-secondary);
}

.auth-card .form-control::placeholder {
    color: var(--text-muted);
}

.auth-card .btn-primary {
    width: 100%;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    margin-top: 0.5rem;
}

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

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

.auth-card .mt-3 {
    margin-top: 1.5rem;
}

.auth-card a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

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

.auth-card .alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.auth-card .alert-danger {
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid var(--danger);
}

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

/* Referral code input */
.auth-card .referral-input {
    display: flex;
    gap: 0.5rem;
}

.auth-card .referral-input .form-control {
    flex: 1;
}

.auth-card .referral-input .btn {
    padding: 0.75rem 1rem;
}

/* Auth responsive */
@media (max-width: 480px) {
    .auth-container {
        padding: 1rem;
    }
    
    .auth-card {
        padding: 1.5rem;
    }
    
    .auth-header h1 {
        font-size: 1.5rem;
    }
    
    .auth-card .form-control {
        padding: 0.65rem 0.875rem;
        font-size: 0.9rem;
    }
    
    .auth-card .btn-primary {
        padding: 0.75rem 1rem;
        font-size: 0.95rem;
    }
}


/* ========================================
   INTERNAL PAGES (Header, Main Container, etc.)
   ======================================== */

/* Header */
.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 1.5rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--text-primary);
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: var(--primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.logo-icon svg {
    width: 18px;
    height: 18px;
}

/* Navigation */
.nav {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.875rem;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

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

.nav a.active {
    background: var(--primary);
    color: white;
}

.nav a svg {
    flex-shrink: 0;
}

/* User Menu */
.user-menu {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.theme-toggle {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.theme-toggle:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

[data-theme="light"] .moon-icon,
[data-theme="dark"] .sun-icon {
    display: none;
}

[data-theme="light"] .sun-icon,
[data-theme="dark"] .moon-icon {
    display: block;
}

.balance-badge {
    background: var(--success-bg);
    color: var(--success);
    padding: 0.375rem 0.75rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
}

/* Main Container */
.main-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem;
    min-height: calc(100vh - 60px);
}

/* Page Header */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.stat-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-card-success .stat-icon-wrapper {
    background: var(--success-bg);
    color: var(--success);
}

.stat-card-primary .stat-icon-wrapper {
    background: rgba(124, 58, 237, 0.1);
    color: var(--primary);
}

.stat-card-warning .stat-icon-wrapper {
    background: var(--warning-bg);
    color: var(--warning);
}

.stat-card-success-alt .stat-icon-wrapper {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.stat-icon-svg {
    width: 24px;
    height: 24px;
}

.stat-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.stat-trend {
    position: absolute;
    top: 1rem;
    right: 1rem;
}

.stat-trend.positive {
    color: var(--success);
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
}

/* Cards */
.card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Activations List */
.activations-list {
    padding: 0.5rem;
}

.activation-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem;
    border-radius: var(--radius-md);
    transition: background 0.2s ease;
}

.activation-item:hover {
    background: var(--bg-tertiary);
}

.activation-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.activation-service {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.activation-number {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: monospace;
}

/* Status Badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.status-pending {
    background: var(--warning-bg);
    color: var(--warning);
}

.status-success {
    background: var(--success-bg);
    color: var(--success);
}

.status-danger {
    background: var(--danger-bg);
    color: var(--danger);
}

/* Transactions List */
.transactions-list {
    padding: 0.5rem;
}

.transaction-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    border-radius: var(--radius-md);
    transition: background 0.2s ease;
}

.transaction-item:hover {
    background: var(--bg-tertiary);
}

.transaction-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.tx-deposit {
    background: var(--success-bg);
    color: var(--success);
}

.tx-purchase {
    background: var(--info-bg);
    color: var(--info);
}

.tx-refund {
    background: var(--warning-bg);
    color: var(--warning);
}

.transaction-info {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
    flex: 1;
}

.transaction-type {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.transaction-date {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.transaction-amount {
    font-weight: 700;
    font-size: 0.9rem;
}

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

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

/* Empty State */
.empty-state {
    padding: 2rem;
    text-align: center;
}

.empty-icon {
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.empty-text {
    color: var(--text-muted);
    margin-bottom: 1rem;
}

/* Alerts */
.alert {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

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

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

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

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

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

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

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

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

.btn-ghost:hover {
    background: rgba(124, 58, 237, 0.1);
}

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

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

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

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

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

.btn-glow {
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-glow:hover {
    box-shadow: 0 6px 20px var(--primary-glow);
}

/* Responsive Header */
@media (max-width: 968px) {
    .nav {
        display: none;
    }
    
    .header-content {
        padding: 0;
    }
}

@media (max-width: 768px) {
    .main-container {
        padding: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .user-menu {
        gap: 0.5rem;
    }
    
    .balance-badge {
        display: none;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-card {
        padding: 1rem;
    }
    
    .stat-value {
        font-size: 1.25rem;
    }
}


/* ========================================
   NAVBAR LOGO
   ======================================== */
.navbar-logo {
    height: 48px;
    width: auto;
    object-fit: contain;
}

/* ========================================
   HERO FEATURES
   ======================================== */
.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ========================================
   HOW IT WORKS SECTION
   ======================================== */
.how-it-works {
    padding: 5rem 0;
    background: var(--bg-secondary);
}

.how-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.step-card {
    text-align: center;
    padding: 2rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-xl);
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.4);
}

.step-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.step-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.step-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ========================================
   FEATURES SECTION
   ======================================== */
.features-section {
    padding: 5rem 0;
    background: var(--bg-primary);
}

.features-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.feature-card {
    text-align: center;
    padding: 2rem 1.5rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.feature-card:hover {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
    transform: translateY(-3px);
}

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
}

.feature-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.feature-description {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
}

/* ========================================
   PROFESSIONAL FOOTER
   ======================================== */
.site-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding-top: 4rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.footer-main {
    display: grid;
    grid-template-columns: 1.5fr 2.5fr;
    gap: 4rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--border-color);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    height: 64px;
    width: auto;
    margin-bottom: 1rem;
}

.footer-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.footer-social {
    display: flex;
    gap: 0.75rem;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.social-link:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.footer-column {
    min-width: 0;
}

.footer-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
}

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

.footer-list li {
    margin-bottom: 0.75rem;
}

.footer-list a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s ease;
}

.footer-list a:hover {
    color: var(--primary);
}

.payment-methods {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.payment-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-tertiary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.footer-note {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    flex-wrap: wrap;
    gap: 1rem;
}

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

.footer-badges {
    display: flex;
    gap: 1rem;
}

.security-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-md);
}

/* Footer Responsive */
@media (max-width: 968px) {
    .footer-main {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-brand {
        max-width: 100%;
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .footer-links {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .hero-features {
        justify-content: center;
    }
}

/* ========================================
   SERVICE GRID IMPROVEMENTS
   ======================================== */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    padding: 1.25rem;
}

.service-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.75rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.service-card:hover {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
    transform: translateY(-2px);
}

.service-card.unavailable {
    opacity: 0.5;
    cursor: not-allowed;
}

.service-card.unavailable:hover {
    transform: none;
    box-shadow: none;
    border-color: var(--border-color);
}

.service-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.service-info {
    width: 100%;
}

.service-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.service-price {
    font-weight: 700;
    color: var(--success);
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.service-quantity {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ========================================
   SIDEBAR LOGO IMAGE
   ======================================== */
.sidebar-logo-img {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    object-fit: contain;
}

/* ========================================
   AUTH PAGE LOGO
   ======================================== */
.auth-logo-img {
    height: 80px;
    width: auto;
    margin-bottom: 1rem;
}


/* ============================================
   MODO ESCURO - ESTILOS COMPLETOS
   ============================================ */

/* Toggle de tema */
.theme-toggle {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    background: var(--bg-hover);
    border-color: var(--primary);
}

.theme-toggle svg {
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

/* Mostrar ícone correto baseado no tema */
[data-theme="light"] .moon-icon { display: none; }
[data-theme="light"] .sun-icon { display: block; }
[data-theme="dark"] .sun-icon { display: none; }
[data-theme="dark"] .moon-icon { display: block; }

/* Ajustes específicos para modo escuro */
[data-theme="dark"] .card {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .service-card {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .service-card:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary);
}

[data-theme="dark"] .form-control {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .form-control:focus {
    border-color: var(--primary);
    background: var(--bg-secondary);
}

[data-theme="dark"] .btn-secondary {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .btn-secondary:hover {
    background: var(--bg-hover);
    border-color: var(--primary);
}

[data-theme="dark"] .modal {
    background: var(--bg-secondary);
}

[data-theme="dark"] .modal-header {
    border-color: var(--border-color);
}

[data-theme="dark"] .modal-footer {
    border-color: var(--border-color);
}

[data-theme="dark"] table thead {
    background: var(--bg-tertiary);
}

[data-theme="dark"] table tbody tr:hover {
    background: var(--bg-tertiary);
}

[data-theme="dark"] .alert {
    border-color: var(--border-color);
}

[data-theme="dark"] .alert-info {
    background: rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.3);
}

[data-theme="dark"] .alert-success {
    background: rgba(16, 185, 129, 0.15);
    border-color: rgba(16, 185, 129, 0.3);
}

[data-theme="dark"] .alert-warning {
    background: rgba(245, 158, 11, 0.15);
    border-color: rgba(245, 158, 11, 0.3);
}

[data-theme="dark"] .alert-danger {
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.3);
}

[data-theme="dark"] .pix-code {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

[data-theme="dark"] .stat-card {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .activation-card {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .search-input {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .search-input:focus {
    background: var(--bg-secondary);
    border-color: var(--primary);
}

[data-theme="dark"] .filter-btn {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-secondary);
}

[data-theme="dark"] .filter-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

[data-theme="dark"] .filter-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

[data-theme="dark"] .sms-card {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .sms-header {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
}

[data-theme="dark"] .sms-code-box {
    background: var(--bg-tertiary);
}

[data-theme="dark"] .page-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .page-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
}

/* Header no modo escuro */
[data-theme="dark"] .header {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

/* Sidebar no modo escuro */
[data-theme="dark"] .sidebar {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

/* Dropdown no modo escuro */
[data-theme="dark"] select {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Chart.js no modo escuro */
[data-theme="dark"] .chart-container {
    background: var(--bg-secondary);
}

/* Animação suave na transição de tema */
body, .card, .btn, .form-control, .header, .sidebar, .modal, table, .alert, .service-card {
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}