:root {
    --primary-color: #0d47a1;
    --secondary-color: #198754;
}

body {
    min-height: 100vh;
    background: linear-gradient(135deg, #f4f7fb 0%, #e8f1fb 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.login-card {
    width: 100%;
    max-width: 450px;
    border: none;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

.card-body {
    padding: 2.5rem;
}

.logo {
    max-width: 280px;
    width: 100%;
    height: auto;
}

.system-title {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.1rem;
    margin-top: 10px;
}

.system-subtitle {
    color: #6c757d;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.form-control {
    height: 50px;
    border-radius: 12px;
}

.input-group-text {
    border-radius: 12px 0 0 12px;
    background: #f8f9fa;
}

.btn-login {
    height: 50px;
    border-radius: 12px;
    font-weight: 600;
    background: var(--primary-color);
    border: none;
    transition: all .3s ease;
}

.btn-login:hover {
    background: #083b88;
    transform: translateY(-1px);
}

.footer-text {
    font-size: 0.85rem;
    color: #6c757d;
}

@media (max-width: 576px) {
    .card-body {
        padding: 2rem 1.5rem;
    }

    .logo {
        max-width: 220px;
    }
}

:root {
            --primary: #0d47a1;
            --secondary: #198754;
            --light-bg: #f5f7fb;
        }

        body {
            background: var(--light-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .navbar-custom {
            background: #fff;
            box-shadow: 0 2px 10px rgba(0,0,0,.08);
        }

        .navbar-brand img {
            height: 45px;
        }

        .navbar-brand span {
            font-weight: 700;
            color: var(--primary);
            margin-left: 10px;
        }

        .content {
            flex: 1;
            padding: 30px;
        }

        .welcome-card {
            background: #fff;
            border: none;
            border-radius: 20px;
            box-shadow: 0 5px 15px rgba(0,0,0,.05);
        }

        .welcome-card .card-body {
            padding: 40px;
        }

        .card-info {
            border: none;
            border-radius: 15px;
            transition: .3s;
        }

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

        .footer {
            background: #fff;
            padding: 15px;
            text-align: center;
            border-top: 1px solid #dee2e6;
            font-size: .9rem;
            color: #6c757d;
        }

        .icon-box {
            width: 60px;
            height: 60px;
            background: rgba(13,71,161,.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 15px;
            font-size: 1.8rem;
        }