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

/* TOPBAR */
.topbar {
    height: 60px;
    background: #1f2937;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
}

    .topbar .logo {
        font-weight: 600;
        font-size: 18px;
    }

    .topbar .user a {
        color: #f87171;
        margin-left: 10px;
    }

/* LOGIN */
.login-bg {
    background: linear-gradient(135deg, #1f2937, #111827);
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-form {
    background: #fff;
    padding: 40px;
    width: 340px;
    border-radius: 12px;
    box-shadow: 0 15px 40px rgba(0,0,0,.25);
    text-align: center;
}

    .login-form h3 {
        margin-bottom: 25px;
        font-weight: 600;
    }

/* TABLE */
.table th {
    background: #1f2937;
    color: #fff;
}

.navbar .nav-link.active {
    background-color: rgba(255,255,255,0.15);
    border-radius: 4px;
}