:root {
    --primary-color: #4e73df;
    --secondary-color: #858796;
    --success-color: #1cc88a;
    --info-color: #36b9cc;
    --warning-color: #f6c23e;
    --danger-color: #e74a3b;
    --dark-bg: #1a1c23;
    --card-bg: #ffffff;
    --body-bg: #f8f9fc;
}

body {
    background-color: var(--body-bg);
    font-family: 'Nunito', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: #5a5c69;
}

.navbar-custom {
    background-color: var(--dark-bg);
    box-shadow: 0 .15rem 1.75rem 0 rgba(58,59,69,.15);
}

.navbar-brand {
    font-weight: 700;
    letter-spacing: 1px;
}

.card {
    border: none;
    border-radius: 0.75rem;
    box-shadow: 0 .15rem 1.75rem 0 rgba(58,59,69,.15);
    margin-bottom: 1.5rem;
}

.card-header {
    background-color: #f8f9fc;
    border-bottom: 1px solid #e3e6f0;
    font-weight: 700;
    color: var(--primary-color);
    border-top-left-radius: 0.75rem !important;
    border-top-right-radius: 0.75rem !important;
    padding: 1rem 1.25rem;
}

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

.btn-primary:hover {
    background-color: #2e59d9;
    border-color: #2653d4;
}

.table th {
    border-top: none;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.85rem;
    color: var(--secondary-color);
}

.badge {
    font-weight: 600;
    padding: 0.5em 0.75em;
}

footer {
    background-color: white;
    padding: 2rem 0;
    margin-top: auto;
    border-top: 1px solid #e3e6f0;
    color: #858796;
    font-size: 0.9rem;
}

.login-body {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--info-color) 100%);
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 1rem 3rem rgba(0,0,0,0.175);
}