* {
        box-sizing: border-box;
    }

    body {
        margin: 0;
        min-height: 100vh;
        font-family: Arial, sans-serif;

        background: linear-gradient(
            135deg,
            #dceef9,
            #f5f9fc
        );

        display: flex;
        justify-content: center;
        align-items: center;
    }

    .login-container {
        width: 100%;
        max-width: 420px;
        padding: 20px;
    }

    .login-card {
        background: white;
        padding: 40px 35px;
        border-radius: 18px;

        box-shadow:
            0 10px 30px rgba(0, 0, 0, 0.12);

        text-align: center;
    }

    .login-logo {
        width: 80px;
        height: 80px;
        object-fit: contain;
        margin-bottom: 15px;
    }

    .login-card h2 {
        margin: 5px 0 8px;
        color: #1f4e70;
        font-size: 26px;
    }

    .login-card p {
        margin-bottom: 30px;
        color: #71808c;
        font-size: 14px;
    }

    .form-group {
        text-align: left;
        margin-bottom: 20px;
    }

    .form-group label {
        display: block;
        margin-bottom: 8px;
        font-weight: bold;
        color: #34495e;
        font-size: 14px;
    }

    .form-group input {
        width: 100%;
        padding: 13px 15px;

        border: 1px solid #cbd7df;
        border-radius: 8px;

        font-size: 15px;
        outline: none;

        transition: 0.3s;
    }

    .form-group input:focus {
        border-color: #1f5f8b;
        box-shadow: 0 0 0 3px rgba(31, 95, 139, 0.12);
    }

    .btn-login {
        width: 100%;
        padding: 13px;

        border: none;
        border-radius: 8px;

        background: #1f5f8b;
        color: white;

        font-size: 16px;
        font-weight: bold;

        cursor: pointer;
        transition: 0.3s;
    }

    .btn-login:hover {
        background: #16496d;
        transform: translateY(-2px);
        box-shadow: 0 5px 12px rgba(31, 95, 139, 0.25);
    }

    .login-footer {
        margin-top: 25px;
        font-size: 12px;
        color: #8a98a3;
    }

.login-error {
    margin-bottom: 20px;
    padding: 10px;
    border-radius: 7px;
    background: #f8d7da;
    color: #842029;
    font-size: 14px;
}