:root {
    --datadatau-red: #D62828;
    --datadatau-green: #90BE6D;
    --datadatau-blue: #1D3557;
    --datadatau-black: #1A1A1A;
    --light-gray: #f8f9fa;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--light-gray);
}

.navbar {
    background-color: var(--datadatau-black) !important;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--datadatau-green) !important;
}

.nav-link {
    color: white !important;
    font-weight: 500;
}

.nav-link:hover {
    color: var(--datadatau-green) !important;
}

.stats-card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.2s;
}

.stats-card:hover {
    transform: translateY(-5px);
}

.stats-card.tickets {
    border-left: 5px solid var(--datadatau-red);
}

.stats-card.users {
    border-left: 5px solid var(--datadatau-green);
}

.stats-card.revenue {
    border-left: 5px solid var(--datadatau-blue);
}

.card-title {
    color: var(--datadatau-black);
    font-weight: 600;
}

.display-4 {
    font-weight: 700;
    color: var(--datadatau-blue);
}

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

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

.table th {
    background-color: var(--datadatau-black);
    color: white;
}

.logo-img {
    height: 40px;
    margin-right: 10px;
}

.welcome-banner {
    background: linear-gradient(135deg, var(--datadatau-black) 0%, var(--datadatau-blue) 100%);
    color: white;
    padding: 2rem;
    border-radius: 12px;
    margin-bottom: 2rem;
}

.form-label {
    font-weight: 500;
    color: var(--datadatau-blue);
}

.form-control, .form-select {
    border-radius: 8px;
    border: 1px solid #dee2e6;
    padding: 0.75rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--datadatau-green);
    box-shadow: 0 0 0 0.25rem rgba(144, 190, 109, 0.25);
}

.card {
    border-radius: 12px;
    border: none;
}

.form-check-label {
    font-size: 0.9rem;
}

.form-check-input:checked {
    background-color: var(--datadatau-green);
    border-color: var(--datadatau-green);
}

.table {
    margin-bottom: 0;
}

.table th {
    background-color: var(--datadatau-black);
    color: white;
    font-weight: 500;
}

.table td {
    vertical-align: middle;
}

.badge {
    padding: 0.5em 0.75em;
    font-weight: 500;
}

.text-muted {
    font-size: 0.875em;
}

.btn-sm {
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
}