body {
    background: #F8FAFB; /* gris azulado muy claro */
    min-height: 100vh;
    font-family: 'Segoe UI', Arial, sans-serif;
    margin: 0;
    padding: 0;
}

.login-hero {
    background: transparent;
    padding-top: 40px;
    text-align: center;
}

    .login-hero img {
        width: 110px;
        margin-bottom: 10px;
    }

.login-container {
    max-width: 370px;
    margin: 30px auto 0 auto;
    background: #fff;
    border-radius: 28px 28px 18px 18px;
    box-shadow: 0 4px 24px rgba(60, 80, 120, 0.10);
    padding: 32px 28px 24px 28px;
    text-align: center;
}

.login-title {
    font-size: 1.5em;
    font-weight: 600;
    margin-bottom: 4px;
    color: #22335a; /* azul oscuro */
}

.login-subtitle {
    color: #7a869a;
    margin-bottom: 28px;
}

.input-group {
    display: flex;
    align-items: center;
    background: #e9edf3;
    border-radius: 12px;
    padding: 10px 12px;
    margin-bottom: 18px;
    border: 1.5px solid #dbe3ee;
}

    .input-group img {
        width: 28px;
        height: 28px;
        margin-right: 10px;
        opacity: 0.7;
    }

    .input-group input {
        border: none;
        background: transparent;
        outline: none;
        font-size: 1em;
        width: 100%;
        color: #22335a;
    }

        .input-group input::placeholder {
            color: #7a869a;
        }

input[type="text"],
input[type="number"],
input[type="password"] {
    background: #f8fafc !important;
    border: 1.5px solid #e0e0e0 !important;
    color: #222;
    border-radius: 12px;
    font-size: 1.1rem;
    padding: 0.7rem 1rem;
    box-shadow: none;
}

input[type="text"]:focus,
input[type="number"]:focus,
input[type="password"]:focus {
    background: #fff !important;
    border-color: #0d6efd !important;
    box-shadow: 0 0 0 2px #e3f0ff;
}

button[type="submit"] {
    width: 100%;
    background: #22335a; /* azul oscuro */
    color: #fff;
    border: none;
    padding: 14px;
    border-radius: 10px;
    font-size: 1.1em;
    cursor: pointer;
    margin-top: 10px;
    margin-bottom: 10px;
    transition: background 0.2s;
    font-weight: 600;
}

    button[type="submit"]:hover {
        background: #1a2540;
    }

.error {
    color: #c00;
    margin-top: 10px;
    font-size: 0.98em;
}

@media (max-width: 500px) {
    .login-container {
        max-width: 98vw;
        margin: 10px auto 0 auto;
        padding: 18px 4vw 12px 4vw;
        border-radius: 18px 18px 10px 10px;
    }

    .login-hero img {
        width: 70px;
    }
}