body {
    background-color: #f4f6f9;
    font-family: 'Segoe UI', sans-serif;
}

.navbar-brand {
    font-size: 1.1rem;
    letter-spacing: 0.3px;
}

.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.07);
}

.card-header {
    background: #fff;
    border-bottom: 1px solid #f0f0f0;
    font-weight: 500;
    border-radius: 12px 12px 0 0 !important;
}

.table th {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #6c757d;
    font-weight: 500;
}

.badge { font-weight: 500; }

.stat-card {
    border-radius: 12px;
    padding: 1.25rem;
    color: #fff;
}

.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f4f6f9;
}

.login-card {
    width: 100%;
    max-width: 420px;
}

.alert { border-radius: 8px; }