/**
 * SadeeqData - Professional VTU Platform Styles
 * Modern, clean, mobile-first design
 */

/* ============================================
   CSS Variables & Reset
   ============================================ */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #8b5cf6;
    --success: #22c55e;
    --success-bg: #f0fdf4;
    --danger: #ef4444;
    --danger-bg: #fef2f2;
    --warning: #f59e0b;
    --warning-bg: #fffbeb;
    --info: #3b82f6;
    --info-bg: #eff6ff;
    
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    
    --sidebar-width: 260px;
    --topbar-height: 64px;
    
    --mtn: #ffcb05;
    --airtel: #ff0000;
    --glo: #50b651;
    --nmobile: #006b3f;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--gray-800);
    background: #f0f2f5;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--primary-dark); }

img { max-width: 100%; height: auto; }

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 { font-weight: 700; color: var(--gray-900); line-height: 1.3; }
h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
.gradient-text { background: linear-gradient(135deg, var(--primary), var(--secondary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.text-center { text-align: center; }
.text-success { color: var(--success) !important; }
.text-danger { color: var(--danger) !important; }
.text-warning { color: var(--warning) !important; }
.text-primary { color: var(--primary) !important; }

/* ============================================
   Container & Layout
   ============================================ */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

.main-wrapper { min-height: 100vh; display: flex; flex-direction: column; }
.main-wrapper.has-sidebar { margin-left: var(--sidebar-width); }
.content-area { flex: 1; padding: 1.5rem; max-width: 1200px; margin: 0 auto; width: 100%; }

/* ============================================
   Sidebar
   ============================================ */
.sidebar {
    position: fixed; top: 0; left: 0; bottom: 0;
    width: var(--sidebar-width);
    background: #fff;
    border-right: 1px solid var(--gray-200);
    display: flex; flex-direction: column;
    z-index: 1000;
    overflow-y: auto;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 1.25rem 1.5rem;
    display: flex; align-items: center; justify-content: space-between;
    border-bottom: 1px solid var(--gray-100);
}

.sidebar-logo {
    display: flex; align-items: center; gap: 0.5rem;
    font-size: 1.25rem; font-weight: 800; color: var(--primary);
}
.sidebar-logo i { font-size: 1.5rem; }

.sidebar-close { display: none; background: none; border: none; font-size: 1.25rem; color: var(--gray-500); cursor: pointer; }

.sidebar-nav { flex: 1; padding: 0.75rem 0; }

.sidebar-nav .nav-link {
    display: flex; align-items: center; gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    color: var(--gray-600);
    font-size: 0.9rem; font-weight: 500;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}
.sidebar-nav .nav-link:hover {
    background: var(--gray-50);
    color: var(--primary);
}
.sidebar-nav .nav-link.active {
    background: linear-gradient(90deg, rgba(99,102,241,0.1), transparent);
    color: var(--primary);
    border-left-color: var(--primary);
    font-weight: 600;
}
.sidebar-nav .nav-link i { width: 20px; text-align: center; font-size: 1rem; }

.nav-divider { height: 1px; background: var(--gray-100); margin: 0.5rem 1.5rem; }
.nav-label { display: block; padding: 0.5rem 1.5rem 0.25rem; font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--gray-400); }

.sidebar-footer { padding: 1rem 1.5rem; border-top: 1px solid var(--gray-100); }

.wallet-card-mini {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    color: rgba(255,255,255,0.85);
    display: flex; flex-direction: column; gap: 0.25rem;
}
.wallet-card-mini small { font-size: 0.75rem; }
.wallet-card-mini strong { font-size: 1.1rem; color: #fff; }

/* ============================================
   Top Bar
   ============================================ */
.topbar {
    height: var(--topbar-height);
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
    display: flex; align-items: center; 
    padding: 0 1.5rem;
    gap: 1rem;
    position: sticky; top: 0;
    z-index: 500;
}

.menu-toggle {
    display: none;
    background: none; border: none;
    font-size: 1.25rem; color: var(--gray-600);
    cursor: pointer; padding: 0.25rem;
}

.topbar-title { font-weight: 600; font-size: 1.1rem; color: var(--gray-800); }

.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 1rem; }

.topbar-wallet {
    display: flex; align-items: center; gap: 0.5rem;
    background: var(--gray-50);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem; font-weight: 600;
    color: var(--primary);
}
.topbar-wallet i { color: var(--primary); }

.avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 0.85rem;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: 0.9rem; font-weight: 600; font-family: var(--font);
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    line-height: 1.5;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn:active { transform: translateY(0); }

.btn-primary { background: linear-gradient(135deg, var(--primary), var(--secondary)); color: #fff; }
.btn-primary:hover { color: #fff; opacity: 0.95; }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { color: #fff; background: #16a34a; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { color: #fff; background: #dc2626; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-warning:hover { color: #fff; background: #d97706; }
.btn-info { background: var(--info); color: #fff; }
.btn-info:hover { color: #fff; }
.btn-outline { background: transparent; border-color: var(--gray-300); color: var(--gray-700); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: rgba(99,102,241,0.05); }
.btn-outline-light { background: transparent; border-color: rgba(255,255,255,0.4); color: #fff; }
.btn-outline-light:hover { background: rgba(255,255,255,0.1); color: #fff; }
.btn-light { background: #fff; color: var(--primary); }
.btn-light:hover { color: var(--primary-dark); }

.btn-sm { padding: 0.375rem 0.75rem; font-size: 0.8rem; }
.btn-lg { padding: 0.875rem 1.75rem; font-size: 1rem; }
.btn-block { width: 100%; }

/* ============================================
   Forms
   ============================================ */
.form-group { margin-bottom: 1.25rem; }
.form-group label {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 0.375rem;
    font-size: 0.85rem; font-weight: 600; color: var(--gray-700);
}
.form-link { font-size: 0.8rem; font-weight: 500; color: var(--primary); }

.form-control, .input-icon input, .input-icon select, select.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.9rem; font-family: var(--font);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-sm);
    background: #fff;
    color: var(--gray-800);
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}
.form-control:focus, .input-icon input:focus, .input-icon select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}

select.form-control {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236b7280' viewBox='0 0 16 16'%3E%3Cpath d='M8 10.5l-5-5h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

textarea.form-control { resize: vertical; min-height: 80px; }

.input-icon {
    position: relative;
}
.input-icon i:first-child {
    position: absolute; left: 1rem; top: 50%; transform: translateY(-50%);
    color: var(--gray-400); font-size: 0.9rem; pointer-events: none;
}
.input-icon input, .input-icon select { padding-left: 2.75rem; }

.toggle-password {
    position: absolute; right: 0.75rem; top: 50%; transform: translateY(-50%);
    background: none; border: none; color: var(--gray-400); cursor: pointer;
    font-size: 0.9rem;
}
.toggle-password:hover { color: var(--gray-600); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-hint { display: block; margin-top: 0.25rem; font-size: 0.8rem; color: var(--gray-500); }
.form-control-sm { padding: 0.5rem 0.75rem; font-size: 0.85rem; }

.form-check {
    display: flex; align-items: center; gap: 0.5rem;
    margin-bottom: 1.25rem;
}
.form-check input[type="checkbox"] {
    width: 18px; height: 18px;
    accent-color: var(--primary);
    cursor: pointer;
}
.form-check label { font-size: 0.85rem; color: var(--gray-600); cursor: pointer; margin-bottom: 0; }

/* ============================================
   Alerts
   ============================================ */
.alert {
    display: flex; align-items: center; gap: 0.75rem;
    padding: 0.875rem 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.25rem;
    font-size: 0.9rem;
    animation: slideDown 0.3s ease;
}
.alert-success { background: var(--success-bg); color: #065f46; border: 1px solid #a7f3d0; }
.alert-danger { background: var(--danger-bg); color: #991b1b; border: 1px solid #fecaca; }
.alert-warning { background: var(--warning-bg); color: #92400e; border: 1px solid #fde68a; }
.alert-info { background: var(--info-bg); color: #1e40af; border: 1px solid #bfdbfe; }
.alert-close { margin-left: auto; background: none; border: none; cursor: pointer; color: inherit; opacity: 0.6; }
.alert-close:hover { opacity: 1; }

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

/* ============================================
   Badges
   ============================================ */
.badge {
    display: inline-flex; align-items: center;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem; font-weight: 600;
    border-radius: 50px;
    line-height: 1;
}
.badge-success { background: var(--success-bg); color: #065f46; }
.badge-danger { background: var(--danger-bg); color: #991b1b; }
.badge-warning { background: var(--warning-bg); color: #92400e; }
.badge-info { background: var(--info-bg); color: #1e40af; }
.badge-secondary { background: var(--gray-100); color: var(--gray-600); }

/* ============================================
   Cards
   ============================================ */
.card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}
.card-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--gray-100);
    display: flex; align-items: center; justify-content: space-between;
}
.card-header h3 { font-size: 1rem; display: flex; align-items: center; gap: 0.5rem; }
.card-body { padding: 1.5rem; }

/* ============================================
   Auth Pages
   ============================================ */
.auth-page {
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex; align-items: center; justify-content: center;
    padding: 2rem 1rem;
}

.auth-container { width: 100%; max-width: 480px; }

.auth-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25);
}

.auth-header { text-align: center; margin-bottom: 2rem; }
.auth-logo {
    display: inline-flex; align-items: center; gap: 0.5rem;
    font-size: 1.5rem; font-weight: 800; color: var(--primary);
    margin-bottom: 1rem;
}
.auth-logo i { font-size: 1.75rem; }
.auth-header h1 { font-size: 1.5rem; margin-bottom: 0.25rem; }
.auth-header p { color: var(--gray-500); font-size: 0.9rem; }

.auth-form .btn { margin-top: 0.5rem; }

.auth-footer {
    text-align: center; margin-top: 1.5rem;
    padding-top: 1.5rem; border-top: 1px solid var(--gray-100);
}
.auth-footer p { color: var(--gray-500); font-size: 0.9rem; }
.auth-footer a { font-weight: 600; }

/* ============================================
   Landing Page
   ============================================ */
.landing-page { background: #fff; }

.landing-nav {
    position: fixed; top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0,0,0,0.06);
    padding: 0.75rem 0;
}
.landing-nav .container { display: flex; align-items: center; justify-content: space-between; }
.nav-brand { display: flex; align-items: center; gap: 0.5rem; font-size: 1.25rem; font-weight: 800; color: var(--primary); }
.nav-brand i { font-size: 1.5rem; }
.nav-links { display: flex; align-items: center; gap: 1.5rem; }
.nav-links a { color: var(--gray-600); font-weight: 500; font-size: 0.9rem; }
.nav-links a:hover { color: var(--primary); }

.mobile-menu-btn { display: none; background: none; border: none; font-size: 1.5rem; color: var(--gray-700); cursor: pointer; }
.mobile-menu {
    display: none; flex-direction: column; gap: 0.5rem;
    position: fixed; top: 60px; left: 0; right: 0;
    background: #fff; padding: 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-lg); z-index: 999;
}
.mobile-menu.show { display: flex; }
.mobile-menu a { padding: 0.75rem; color: var(--gray-700); font-weight: 500; border-radius: var(--radius-sm); }
.mobile-menu a:hover { background: var(--gray-50); }

/* Hero */
.hero {
    padding: 8rem 0 5rem;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #f8f9ff 0%, #eef0ff 50%, #f0f4ff 100%);
}
.hero-bg {
    position: absolute; top: -50%; right: -20%; width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(99,102,241,0.1) 0%, transparent 70%);
    border-radius: 50%;
}
.hero-content { position: relative; text-align: center; max-width: 700px; margin: 0 auto; }

.hero-badge {
    display: inline-flex; align-items: center; gap: 0.5rem;
    background: rgba(99,102,241,0.1);
    color: var(--primary);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem; font-weight: 600;
    margin-bottom: 1.5rem;
}
.hero h1 { font-size: 3rem; font-weight: 800; margin-bottom: 1rem; line-height: 1.2; }
.hero-sub { font-size: 1.125rem; color: var(--gray-500); margin-bottom: 2rem; max-width: 550px; margin-left: auto; margin-right: auto; }

.hero-actions { display: flex; gap: 1rem; justify-content: center; margin-bottom: 3rem; flex-wrap: wrap; }

.hero-stats { display: flex; align-items: center; justify-content: center; gap: 2rem; }
.stat-item { text-align: center; }
.stat-item strong { display: block; font-size: 1.75rem; font-weight: 800; color: var(--gray-900); }
.stat-item span { font-size: 0.85rem; color: var(--gray-500); }
.stat-divider { width: 1px; height: 40px; background: var(--gray-200); }

/* Networks Strip */
.networks-strip {
    padding: 3rem 0;
    background: #fff;
    border-top: 1px solid var(--gray-100);
    border-bottom: 1px solid var(--gray-100);
}
.network-logos { display: flex; justify-content: center; gap: 3rem; flex-wrap: wrap; }
.network-item {
    display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
    font-weight: 700; font-size: 0.9rem; color: var(--gray-600);
}
.network-icon {
    width: 60px; height: 60px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem;
}
.network-item.mtn .network-icon { background: #fff8e1; color: #f59e0b; }
.network-item.airtel .network-icon { background: #fef2f2; color: #ef4444; }
.network-item.glo .network-icon { background: #f0fdf4; color: #22c55e; }
.network-item.nmobile .network-icon { background: #ecfdf5; color: #059669; }

/* Features */
.features { padding: 5rem 0; background: #fff; }
.section-header { text-align: center; margin-bottom: 3rem; }
.section-badge {
    display: inline-block;
    padding: 0.375rem 1rem;
    background: rgba(99,102,241,0.1);
    color: var(--primary);
    border-radius: 50px;
    font-size: 0.8rem; font-weight: 600;
    margin-bottom: 1rem;
}
.section-header h2 { font-size: 2rem; margin-bottom: 0.75rem; }
.section-header p { color: var(--gray-500); font-size: 1rem; max-width: 500px; margin: 0 auto; }

.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.feature-card {
    padding: 2rem;
    border-radius: var(--radius);
    border: 1px solid var(--gray-100);
    transition: all 0.3s;
}
.feature-card:hover { border-color: var(--primary); box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.feature-icon {
    width: 50px; height: 50px; border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.25rem; margin-bottom: 1rem;
}
.feature-card h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.feature-card p { color: var(--gray-500); font-size: 0.9rem; }

/* Pricing */
.pricing-section { padding: 5rem 0; background: var(--gray-50); }
.pricing-tabs {
    display: flex; justify-content: center; gap: 0.5rem;
    margin-bottom: 2rem;
}
.pricing-tab {
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    border: 2px solid var(--gray-200);
    background: #fff;
    font-weight: 600; font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
    font-family: var(--font);
}
.pricing-tab.active, .pricing-tab:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.price-card {
    background: #fff;
    padding: 1.75rem;
    border-radius: var(--radius);
    text-align: center;
    border: 2px solid var(--gray-100);
    transition: all 0.3s;
    position: relative;
}
.price-card:hover { border-color: var(--primary); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.price-card.popular { border-color: var(--primary); }
.popular-badge {
    position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
    background: var(--primary); color: #fff;
    padding: 0.25rem 1rem; border-radius: 50px;
    font-size: 0.75rem; font-weight: 600;
}
.price-size { font-size: 1.5rem; font-weight: 800; color: var(--gray-900); margin-bottom: 0.25rem; }
.price-amount { font-size: 2rem; font-weight: 800; color: var(--primary); margin-bottom: 0.25rem; }
.price-validity { color: var(--gray-500); font-size: 0.85rem; margin-bottom: 1rem; }

/* How It Works */
.how-it-works { padding: 5rem 0; background: #fff; }
.steps-grid { display: flex; align-items: center; justify-content: center; gap: 1rem; }
.step-card {
    text-align: center; padding: 2rem;
    background: var(--gray-50);
    border-radius: var(--radius);
    flex: 1; max-width: 280px;
}
.step-number {
    width: 50px; height: 50px; border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff; font-weight: 800; font-size: 1.25rem;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 1rem;
}
.step-card h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.step-card p { color: var(--gray-500); font-size: 0.9rem; }
.step-arrow { color: var(--gray-300); font-size: 1.5rem; }

/* CTA */
.cta-section { padding: 5rem 0; }
.cta-card {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    padding: 4rem 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    color: #fff;
}
.cta-card h2 { color: #fff; font-size: 2rem; margin-bottom: 0.75rem; }
.cta-card p { color: rgba(255,255,255,0.8); margin-bottom: 2rem; font-size: 1.1rem; }

/* Footer */
.public-footer { background: var(--gray-900); color: var(--gray-300); padding: 4rem 0 1.5rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2rem; margin-bottom: 3rem; }
.footer-logo { display: flex; align-items: center; gap: 0.5rem; font-size: 1.25rem; font-weight: 800; color: #fff; margin-bottom: 0.75rem; }
.footer-col h4 { color: #fff; font-size: 1rem; margin-bottom: 1rem; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.5rem; }
.footer-col ul li a { color: var(--gray-400); font-size: 0.9rem; }
.footer-col ul li a:hover { color: #fff; }
.footer-col p { font-size: 0.9rem; color: var(--gray-400); margin-bottom: 1rem; }

.social-links { display: flex; gap: 0.75rem; }
.social-links a {
    width: 38px; height: 38px; border-radius: 50%;
    background: rgba(255,255,255,0.1);
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 0.9rem;
    transition: all 0.2s;
}
.social-links a:hover { background: var(--primary); color: #fff; }

.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 1.5rem; text-align: center; }
.footer-bottom p { color: var(--gray-500); font-size: 0.85rem; }

.dashboard-footer { padding: 1.5rem; text-align: center; color: var(--gray-400); font-size: 0.8rem; }

/* ============================================
   Dashboard Components
   ============================================ */
.welcome-card {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius);
    padding: 1.75rem;
    color: #fff;
    margin-bottom: 1.5rem;
}
.welcome-card h2 { color: #fff; font-size: 1.5rem; margin-bottom: 0.25rem; }
.welcome-card p { color: rgba(255,255,255,0.8); font-size: 0.9rem; }

/* Stats Grid */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 1.5rem; }
.stat-card {
    background: #fff; border-radius: var(--radius);
    padding: 1.25rem; display: flex; align-items: flex-start; gap: 1rem;
    box-shadow: var(--shadow);
    position: relative;
}
.stat-card.wallet-card { border: 2px solid var(--primary); }
.stat-icon {
    width: 44px; height: 44px; border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem; flex-shrink: 0;
    background: linear-gradient(135deg, rgba(99,102,241,0.1), rgba(139,92,246,0.1));
    color: var(--primary);
}
.stat-icon.blue { background: var(--info-bg); color: var(--info); }
.stat-icon.green { background: var(--success-bg); color: var(--success); }
.stat-icon.orange { background: var(--warning-bg); color: var(--warning); }
.stat-icon.purple { background: #f5f3ff; color: #8b5cf6; }
.stat-icon.pink { background: #fdf2f8; color: #ec4899; }

.stat-info { display: flex; flex-direction: column; }
.stat-label { font-size: 0.8rem; color: var(--gray-500); font-weight: 500; }
.stat-value { font-size: 1.25rem; font-weight: 800; color: var(--gray-900); }
.stat-card small { color: var(--gray-400); font-size: 0.75rem; }

.stat-action {
    position: absolute; bottom: 1rem; right: 1rem;
    font-size: 0.8rem; font-weight: 600; color: var(--primary);
    display: flex; align-items: center; gap: 0.25rem;
}

/* Quick Actions */
.quick-actions { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 2rem; }
.action-card {
    display: flex; flex-direction: column; align-items: center; gap: 0.75rem;
    padding: 1.5rem 1rem;
    background: #fff; border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: all 0.2s;
    text-align: center;
    color: var(--gray-700);
}
.action-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); color: var(--primary); }
.action-icon {
    width: 50px; height: 50px; border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.25rem;
}
.action-card span { font-size: 0.85rem; font-weight: 600; }

/* Section Title */
.section-title {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 1rem;
}
.section-title h3 { font-size: 1rem; }
.view-all { font-size: 0.85rem; font-weight: 600; }

/* Notifications */
.notifications-list { margin-bottom: 1.5rem; }
.notification-item {
    display: flex; gap: 0.75rem; padding: 1rem;
    background: #fff; border-radius: var(--radius-sm);
    margin-bottom: 0.5rem; box-shadow: var(--shadow);
}
.notification-icon {
    width: 36px; height: 36px; border-radius: 50%;
    background: var(--warning-bg); color: var(--warning);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0; font-size: 0.85rem;
}
.notification-content strong { display: block; font-size: 0.85rem; }
.notification-content p { font-size: 0.8rem; color: var(--gray-500); margin: 0.125rem 0; }
.notification-content small { color: var(--gray-400); font-size: 0.75rem; }

/* ============================================
   Purchase Pages
   ============================================ */
.page-header-card {
    display: flex; align-items: center; gap: 1rem;
    padding: 1.5rem;
    background: #fff; border-radius: var(--radius);
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow);
}
.page-icon {
    width: 50px; height: 50px; border-radius: var(--radius-sm);
    background: linear-gradient(135deg, rgba(99,102,241,0.1), rgba(139,92,246,0.1));
    color: var(--primary);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.25rem; flex-shrink: 0;
}
.page-icon.green { background: var(--success-bg); color: var(--success); }
.page-icon.yellow { background: var(--warning-bg); color: var(--warning); }
.page-icon.pink { background: #fdf2f8; color: #ec4899; }
.page-icon.purple { background: #f5f3ff; color: #8b5cf6; }
.page-header-card h2 { font-size: 1.25rem; margin-bottom: 0.125rem; }
.page-header-card p { color: var(--gray-500); font-size: 0.85rem; }

.purchase-card {
    background: #fff; border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow);
}

/* Network Selector */
.network-selector { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.75rem; }
.network-option input { display: none; }
.network-box {
    display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
    padding: 1rem 0.5rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 600; font-size: 0.85rem;
    text-align: center;
}
.network-box i { font-size: 1.5rem; }
.network-option input:checked + .network-box { border-color: var(--primary); background: rgba(99,102,241,0.05); }
.network-box.mtn:hover, .network-option input:checked + .network-box.mtn { border-color: var(--mtn); background: rgba(255,203,5,0.05); }
.network-box.airtel:hover, .network-option input:checked + .network-box.airtel { border-color: var(--airtel); background: rgba(255,0,0,0.05); }
.network-box.glo:hover, .network-option input:checked + .network-box.glo { border-color: var(--glo); background: rgba(80,182,81,0.05); }
.network-box.nmobile:hover, .network-option input:checked + .network-box.nmobile { border-color: var(--nmobile); background: rgba(0,107,63,0.05); }

.network-box.mtn { color: #b8860b; }
.network-box.mtn i { color: var(--mtn); }
.network-box.airtel { color: #cc0000; }
.network-box.airtel i { color: var(--airtel); }
.network-box.glo { color: #3d8b3d; }
.network-box.glo i { color: var(--glo); }
.network-box.nmobile { color: #004d2e; }
.network-box.nmobile i { color: var(--nmobile); }

/* Quick Amounts */
.quick-amounts { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.25rem; }
.quick-amount {
    padding: 0.5rem 1rem;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 50px;
    font-size: 0.85rem; font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-family: var(--font);
}
.quick-amount:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* Purchase Summary */
.purchase-summary {
    background: var(--gray-50);
    border-radius: var(--radius-sm);
    padding: 1.25rem;
    margin-bottom: 1.25rem;
    border: 1px solid var(--gray-200);
}
.summary-row {
    display: flex; justify-content: space-between; align-items: center;
    padding: 0.5rem 0;
    font-size: 0.9rem;
}
.summary-row span { color: var(--gray-500); }
.summary-row.highlight {
    border-top: 2px solid var(--gray-200);
    margin-top: 0.5rem; padding-top: 0.75rem;
    font-size: 1rem;
}
.summary-row.highlight strong { color: var(--primary); font-size: 1.1rem; }

/* ============================================
   Wallet Funding Page
   ============================================ */
.balance-display {
    text-align: center; padding: 2rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius);
    color: #fff; margin-bottom: 1.5rem;
}
.balance-display span { font-size: 0.9rem; color: rgba(255,255,255,0.8); }
.balance-display h2 { font-size: 2.5rem; font-weight: 800; color: #fff; }

.funding-methods { display: flex; flex-direction: column; gap: 1rem; }
.method-card {
    background: #fff; border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden; border: 2px solid transparent;
    transition: border-color 0.2s;
}
.method-card.active { border-color: var(--primary); }
.method-header {
    display: flex; align-items: center; gap: 1rem;
    padding: 1.25rem 1.5rem;
    cursor: pointer;
}
.method-icon {
    width: 44px; height: 44px; border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem; flex-shrink: 0;
}
.method-header h3 { font-size: 1rem; margin-bottom: 0.125rem; }
.method-header p { font-size: 0.8rem; color: var(--gray-500); }
.method-radio { margin-left: auto; }
.method-body { padding: 0 1.5rem 1.5rem; }

.bank-details { background: var(--gray-50); border-radius: var(--radius-sm); padding: 1rem; margin-bottom: 1.25rem; }
.bank-detail-item {
    display: flex; align-items: center; gap: 0.5rem;
    padding: 0.5rem 0;
    font-size: 0.9rem;
}
.bank-detail-item .label { color: var(--gray-500); min-width: 120px; }
.copy-btn { background: none; border: none; color: var(--primary); cursor: pointer; font-size: 0.9rem; }

/* Bank selection grid */
.bank-select-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin-top: 0.5rem; }
.bank-option {
    display: flex; flex-direction: column; align-items: center; gap: 0.4rem;
    padding: 1rem 0.5rem; border: 2px solid var(--gray-200);
    border-radius: var(--radius-sm); cursor: pointer;
    background: var(--white); transition: all 0.2s ease;
    text-align: center; font-size: 0.85rem; font-weight: 500;
}
.bank-option input[type="radio"] { display: none; }
.bank-option i { font-size: 1.25rem; color: var(--gray-400); }
.bank-option:hover { border-color: var(--primary); background: rgba(99,102,241,0.04); }
.bank-option.active { border-color: var(--primary); background: rgba(99,102,241,0.08); color: var(--primary); }
.bank-option.active i { color: var(--primary); }

.info-box {
    display: flex; gap: 0.75rem;
    background: var(--info-bg); border: 1px solid #bfdbfe;
    padding: 0.875rem; border-radius: var(--radius-sm);
    margin-top: 1rem;
}
.info-box i { color: var(--info); margin-top: 0.125rem; }
.info-box p { font-size: 0.85rem; color: #1e40af; }

/* ============================================
   Transaction Cards (Mobile)
   ============================================ */
.transaction-cards { display: flex; flex-direction: column; gap: 0.75rem; }
.transaction-card {
    background: #fff; border-radius: var(--radius);
    padding: 1rem; box-shadow: var(--shadow);
}
.txn-card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.75rem; }
.txn-type-badge {
    display: inline-flex; align-items: center; gap: 0.375rem;
    font-size: 0.8rem; font-weight: 600;
    padding: 0.25rem 0.625rem; border-radius: 50px;
}
.txn-type-badge.data { background: var(--info-bg); color: var(--info); }
.txn-type-badge.airtime { background: var(--success-bg); color: var(--success); }
.txn-type-badge.wallet_funding { background: var(--warning-bg); color: var(--warning); }

.txn-card-body { display: flex; flex-direction: column; gap: 0.375rem; }
.txn-detail { display: flex; justify-content: space-between; font-size: 0.85rem; }
.txn-detail span { color: var(--gray-500); }
.txn-card-footer { margin-top: 0.75rem; padding-top: 0.75rem; border-top: 1px solid var(--gray-100); }
.txn-card-footer small { color: var(--gray-400); display: flex; align-items: center; gap: 0.375rem; }

.txn-type {
    display: inline-flex; align-items: center; gap: 0.375rem;
    font-size: 0.8rem; font-weight: 600;
}
.txn-type.data { color: var(--info); }
.txn-type.airtime { color: var(--success); }
.txn-type.wallet_funding { color: var(--warning); }
.txn-type.wallet_debit { color: var(--danger); }

/* ============================================
   Profile Page
   ============================================ */
.profile-card {
    background: #fff; border-radius: var(--radius);
    padding: 2rem; box-shadow: var(--shadow);
    display: flex; align-items: center; gap: 1.5rem;
    margin-bottom: 1.5rem;
}
.profile-avatar {
    width: 72px; height: 72px; border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.profile-avatar span { color: #fff; font-weight: 800; font-size: 1.5rem; }
.profile-info h3 { font-size: 1.25rem; margin-bottom: 0.125rem; }
.profile-info p { color: var(--gray-500); font-size: 0.9rem; margin-bottom: 0.375rem; }
.profile-meta { margin-left: auto; display: flex; flex-direction: column; gap: 0.375rem; }
.meta-item { display: flex; align-items: center; gap: 0.5rem; font-size: 0.85rem; color: var(--gray-500); }
.meta-item i { width: 16px; color: var(--gray-400); }

/* ============================================
   Tables
   ============================================ */
.table-responsive { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}
.data-table thead th {
    padding: 0.875rem 1rem;
    text-align: left;
    font-size: 0.8rem; font-weight: 600;
    text-transform: uppercase;
    color: var(--gray-500);
    background: var(--gray-50);
    border-bottom: 2px solid var(--gray-100);
    white-space: nowrap;
}
.data-table tbody td {
    padding: 0.875rem 1rem;
    border-bottom: 1px solid var(--gray-50);
    font-size: 0.875rem;
    vertical-align: middle;
}
.data-table tbody tr:hover { background: var(--gray-50); }
.data-table tbody tr:last-child td { border-bottom: none; }

/* ============================================
   Pagination & Filters
   ============================================ */
.pagination {
    display: flex; align-items: center; justify-content: center; gap: 1rem;
    margin-top: 1.5rem; padding: 1rem 0;
}
.page-link {
    display: inline-flex; align-items: center; gap: 0.375rem;
    padding: 0.5rem 1rem;
    background: #fff; border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 0.85rem; font-weight: 600;
    color: var(--gray-700);
}
.page-link:hover { border-color: var(--primary); color: var(--primary); }
.page-info { font-size: 0.85rem; color: var(--gray-500); }

.filter-bar { margin-bottom: 1.5rem; }
.filter-form {
    display: flex; gap: 0.75rem; align-items: center;
}
.search-form { display: flex; gap: 0.75rem; align-items: center; }

/* ============================================
   Empty State
   ============================================ */
.empty-state {
    text-align: center; padding: 4rem 2rem;
    background: #fff; border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.empty-state i { font-size: 3rem; color: var(--gray-300); margin-bottom: 1rem; }
.empty-state h3 { font-size: 1.1rem; color: var(--gray-700); margin-bottom: 0.5rem; }
.empty-state p { color: var(--gray-500); margin-bottom: 1.5rem; font-size: 0.9rem; }

/* ============================================
   Modal
   ============================================ */
.modal-overlay {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex; align-items: center; justify-content: center;
    z-index: 2000; padding: 1rem;
    backdrop-filter: blur(4px);
}
.modal-card {
    background: #fff; border-radius: var(--radius);
    width: 100%; max-width: 500px;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25);
    animation: slideUp 0.3s ease;
}
.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--gray-100);
}
.modal-header h3 { font-size: 1.1rem; }
.modal-close { background: none; border: none; font-size: 1.25rem; color: var(--gray-400); cursor: pointer; }
.modal-body { padding: 1.5rem; }
.modal-footer {
    display: flex; justify-content: flex-end; gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--gray-100);
}

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

/* ============================================
   Admin
   ============================================ */
.admin-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 1.5rem; flex-wrap: wrap; gap: 0.75rem;
}
.admin-header h2 { display: flex; align-items: center; gap: 0.5rem; }
.admin-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.action-buttons { display: flex; gap: 0.375rem; }

/* ============================================
   Nav Overlay (Mobile)
   ============================================ */
.nav-overlay {
    display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5); z-index: 999;
}
.nav-overlay.show { display: block; }

/* ============================================
   Responsive Visibility
   ============================================ */
.mobile-only { display: none; }
.desktop-only { display: block; }

/* ============================================
   Pricing Page
   ============================================ */
.pricing-page { padding: 6rem 0 4rem; }

/* Terms & Privacy */
.legal-page { padding: 6rem 0 3rem; }
.legal-content { max-width: 800px; margin: 0 auto; background: #fff; padding: 3rem; border-radius: var(--radius); box-shadow: var(--shadow); }
.legal-content h1 { margin-bottom: 1.5rem; }
.legal-content h2 { font-size: 1.25rem; margin: 2rem 0 0.75rem; }
.legal-content p { margin-bottom: 1rem; color: var(--gray-600); }
.legal-content ul { margin: 0 0 1rem 1.5rem; color: var(--gray-600); }
.legal-content li { margin-bottom: 0.5rem; }

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .pricing-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .main-wrapper.has-sidebar { margin-left: 0; }
    
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open { transform: translateX(0); }
    .sidebar-close { display: block; }
    
    .menu-toggle { display: block; }
    
    .nav-overlay.show { display: block; }
    
    .nav-links { display: none; }
    .mobile-menu-btn { display: block; }
    
    .hero h1 { font-size: 2rem; }
    .hero-sub { font-size: 1rem; }
    .hero-stats { gap: 1rem; }
    .stat-item strong { font-size: 1.25rem; }
    
    .features-grid { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: repeat(2, 1fr); }
    
    .steps-grid { flex-direction: column; }
    .step-arrow { transform: rotate(90deg); }
    
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .quick-actions { grid-template-columns: repeat(2, 1fr); }
    
    .form-row { grid-template-columns: 1fr; }
    
    .profile-card { flex-direction: column; text-align: center; }
    .profile-meta { margin-left: 0; align-items: center; }
    
    .footer-grid { grid-template-columns: 1fr; }
    
    .mobile-only { display: block; }
    .desktop-only { display: none; }
    
    .filter-form { flex-wrap: wrap; }
    
    .admin-header { flex-direction: column; align-items: flex-start; }
    
    .network-selector { grid-template-columns: repeat(2, 1fr); }
    
    .auth-card { padding: 1.75rem; }
    
    .topbar-wallet span { display: none; }
    
    .cta-card { padding: 2.5rem 1.5rem; }
    .cta-card h2 { font-size: 1.5rem; }
    
    .legal-content { padding: 1.5rem; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 1.75rem; }
    .hero-actions { flex-direction: column; align-items: center; }
    .hero-actions .btn { width: 100%; }
    
    .pricing-grid { grid-template-columns: 1fr; }
    .pricing-tabs { flex-wrap: wrap; }
    
    .stats-grid { grid-template-columns: 1fr; }
    
    .hero-stats { flex-direction: column; gap: 0.75rem; }
    .stat-divider { width: 40px; height: 1px; }
    
    .network-logos { gap: 1.5rem; }
    
    .content-area { padding: 1rem; }
    .purchase-card { padding: 1.25rem; }
}

/* ============================================
   Scrollbar
   ============================================ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--gray-400); }

/* ============================================
   Loading/Animation
   ============================================ */
.fade-in { animation: fadeIn 0.5s ease; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.btn[type="submit"]:disabled {
    opacity: 0.6; cursor: not-allowed;
}

/* Print styles */
@media print {
    .sidebar, .topbar, .menu-toggle, .nav-overlay { display: none !important; }
    .main-wrapper.has-sidebar { margin-left: 0 !important; }
    .content-area { padding: 0 !important; }
}