:root {
    --primary-blue: #1D4ED8;
    --primary-blue-hover: #1E40AF;
    --soft-teal: #22D3EE;
    --accent-green: #10B981;
    --background: #F9FAFB;
    --card-bg: #FFFFFF;
    --border-color: #E5E7EB;
    --text-primary: #111827;
    --text-secondary: #6B7280;
    --text-muted: #9CA3AF;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
}

h1 { font-size: 36px; font-weight: 700; }
h2 { font-size: 28px; }
h3 { font-size: 22px; }

.btn-primary {
    background-color: var(--primary-blue);
    border-color: var(--primary-blue);
    border-radius: 8px;
    padding: 10px 24px;
    font-weight: 500;
}

.btn-primary:hover {
    background-color: var(--primary-blue-hover);
    border-color: var(--primary-blue-hover);
}

.btn-outline-primary {
    color: var(--primary-blue);
    border-color: var(--primary-blue);
    border-radius: 8px;
    padding: 10px 24px;
    font-weight: 500;
}

.btn-outline-primary:hover {
    background-color: var(--primary-blue);
    border-color: var(--primary-blue);
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--border-color);
    padding: 20px 24px;
}

.card-body {
    padding: 24px;
}

.form-control, .form-select {
    border-radius: 8px;
    border-color: var(--border-color);
    padding: 12px 16px;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.1);
}

.navbar {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
}

.navbar-brand {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 24px;
    color: var(--primary-blue) !important;
}

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    padding: 8px 16px !important;
}

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

.hero-section {
    background: linear-gradient(135deg, #EFF6FF 0%, #F0FDFA 100%);
    padding: 80px 0;
    text-align: center;
}

.hero-section h1 {
    color: var(--text-primary);
    margin-bottom: 20px;
}

.hero-section p {
    color: var(--text-secondary);
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto 32px;
}

.feature-card {
    text-align: center;
    padding: 32px 24px;
}
.referrals-btn{
    background:white;
}
.referrals-btn:hover{
    color:black;
}
.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--soft-teal) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 28px;
}

.feature-card h3 {
    margin-bottom: 12px;
    font-size: 20px;
}

.feature-card p {
    color: var(--text-secondary);
    margin-bottom: 0;
}

.stats-card {
    padding: 24px;
    text-align: center;
}

.stats-card .stats-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-blue);
    font-family: 'Poppins', sans-serif;
}

.stats-card .stats-label {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 4px;
}
.footer-text {
    color:white !important;
}
.stats-card .stats-icon {
    width: 48px;
    height: 48px;
    background: rgba(29, 78, 216, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: var(--primary-blue);
    font-size: 24px;
}

.sidebar {
    background: var(--card-bg);
    border-right: 1px solid var(--border-color);
    min-height: 100vh;
    padding: 24px 0;
    width: 260px;
    position: fixed;
    left: 0;
    top: 0;
}

.sidebar-brand {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 20px;
    color: var(--primary-blue);
    padding: 0 24px 24px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 24px;
    display: block;
    text-decoration: none;
}

.sidebar-nav {
    list-style: none;
    padding: 0 12px;
    margin: 0;
}

.sidebar-nav li {
    margin-bottom: 4px;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.2s;
}

.sidebar-nav a:hover {
    background: var(--background);
    color: var(--primary-blue);
}

.sidebar-nav a.active {
    background: rgba(29, 78, 216, 0.1);
    color: var(--primary-blue);
}

.sidebar-nav a i {
    font-size: 20px;
}

.main-content {
    margin-left: 260px;
    padding: 32px;
    min-height: 100vh;
}

.dashboard-header {
    margin-bottom: 32px;
}

.dashboard-header h1 {
    font-size: 28px;
    margin-bottom: 8px;
}

.dashboard-header p {
    color: var(--text-secondary);
    margin-bottom: 0;
}

.referral-link-card {
    background: linear-gradient(135deg, var(--primary-blue) 0%, #3B82F6 100%);
    color: white;
    padding: 24px;
    border-radius: 12px;
}

.referral-link-card h5 {
    margin-bottom: 16px;
}

.referral-link-input {
    display: flex;
    gap: 12px;
}

.referral-link-input input {
    flex: 1;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 12px 16px;
    border-radius: 8px;
}

.referral-link-input input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.referral-link-input .btn {
    background: white;
    color: var(--primary-blue);
    border: none;
    padding: 12px 24px;
    font-weight: 600;
}

.referral-link-input .btn:hover {
    background: rgba(255, 255, 255, 0.9);
}

.table {
    margin-bottom: 0;
}

.table th {
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border-color);
    padding: 16px;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table td {
    padding: 16px;
    vertical-align: middle;
    border-bottom: 1px solid var(--border-color);
}

.badge-active {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-green);
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: 500;
    font-size: 13px;
}

.badge-inactive {
    background: rgba(239, 68, 68, 0.1);
    color: #EF4444;
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: 500;
    font-size: 13px;
}

.badge-sent {
    background: rgba(29, 78, 216, 0.1);
    color: var(--primary-blue);
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: 500;
    font-size: 13px;
}

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #EFF6FF 0%, #F0FDFA 100%);
}

.auth-card {
    width: 100%;
    max-width: 440px;
    padding: 40px;
}

.auth-card h2 {
    text-align: center;
    margin-bottom: 8px;
}

.auth-card .subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.auth-card .form-label {
    font-weight: 500;
    margin-bottom: 8px;
}

.auth-card .btn-primary {
    width: 100%;
    padding: 14px;
    font-size: 16px;
    margin-top: 8px;
}

.auth-card .auth-footer {
    text-align: center;
    margin-top: 24px;
    color: var(--text-secondary);
}

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

.page-footer {
    background: var(--text-primary);
    color: white;
    padding: 64px 0 32px;
    margin-top: 80px;
}

.page-footer h5 {
    font-size: 16px;
    margin-bottom: 20px;
    color: white;
}

.page-footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.page-footer ul li {
    margin-bottom: 12px;
}

.page-footer ul a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

.page-footer ul a:hover {
    color: white;
}

.page-footer .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 48px;
    padding-top: 32px;
    text-align: center;
    color: var(--text-muted);
}

.static-page {
    padding: 60px 0;
}

.static-page h1 {
    margin-bottom: 16px;
}

.static-page .lead {
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.static-page h2 {
    margin-top: 40px;
    margin-bottom: 16px;
}

.static-page p {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.static-page ul {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.alert {
    border-radius: 8px;
    padding: 16px 20px;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--accent-green);
    color: var(--accent-green);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border-color: #EF4444;
    color: #EF4444;
}

.user-avatar {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--soft-teal) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 16px;
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state h5 {
    color: var(--text-primary);
    margin-bottom: 8px;
}

@media (max-width: 992px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s;
        z-index: 1000;
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .mobile-toggle {
        display: block !important;
    }
}

.mobile-toggle {
    display: none;
    position: fixed;
    top: 16px;
    left: 16px;
    z-index: 1001;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 12px;
}
.badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: capitalize;
}

.badge-sent {
background-color: lightgreen;
    color: black;
}

.badge-failed {
    background-color: red;
    color: white;
}