:root {
    color-scheme: light;
    font-family: Arial, Helvetica, sans-serif;
    color: #242424;
    background: #f4f4f4;
}

* { box-sizing: border-box; }
body { margin: 0; }

.login-page {
    min-height: 100vh;
    min-height: 100svh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 20px 32px;
}

.login-logo {
    display: block;
    width: 270px;
    max-width: 75%;
    height: auto;
    margin-bottom: 30px;
    filter: grayscale(1);
}

.login-card {
    width: 100%;
    max-width: 440px;
    padding: 32px;
    background: #fff;
    border: 1px solid #dadada;
    border-radius: 6px;
    box-shadow: 0 2px 5px rgb(0 0 0 / 3%);
}

h1 { margin: 0 0 8px; font-size: 24px; font-weight: 600; }
.login-intro { margin: 0 0 28px; color: #666; font-size: 14px; line-height: 1.5; }
.form-field { margin-bottom: 22px; }
.form-field label { display: block; margin-bottom: 9px; font-size: 14px; }

.form-field input {
    width: 100%;
    height: 49px;
    padding: 12px 14px;
    border: 1px solid #d1d1d1;
    border-radius: 5px;
    background: #fff;
    color: #171717;
    font: inherit;
    transition: border-color 150ms, box-shadow 150ms;
}

.form-field input:hover { border-color: #939393; }
.form-field input:focus { border-color: #333; outline: 0; box-shadow: 0 0 0 3px rgb(0 0 0 / 9%); }
.form-field input[aria-invalid="true"] { border-color: #555; }

.login-button {
    width: 100%;
    min-height: 49px;
    margin-top: 2px;
    padding: 12px;
    border: 1px solid #171717;
    border-radius: 5px;
    background: #171717;
    color: #fff;
    font: inherit;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 150ms;
}

.login-button:hover { background: #383838; }
.login-button:active { background: #000; }
:focus-visible { outline: 2px solid #444; outline-offset: 4px; }
.remember-email { display: flex; align-items: center; gap: 10px; margin-top: 22px; font-size: 14px; cursor: pointer; }
.remember-email input { width: 17px; height: 17px; margin: 0; accent-color: #222; }
.login-help { margin-top: 24px; padding-top: 22px; border-top: 1px solid #ededed; font-size: 14px; }
.login-help summary { width: fit-content; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
.login-help p, .access-help p { margin: 14px 0 0; color: #626262; font-size: 13px; line-height: 1.6; }
.access-help { width: 100%; max-width: 440px; margin-top: 26px; text-align: center; }
.access-help summary { display: flex; align-items: center; justify-content: center; gap: 16px; font-size: 14px; cursor: pointer; list-style: none; }
.access-help summary::-webkit-details-marker { display: none; }
.access-button { padding: 12px 16px; border: 1px solid #d4d4d4; border-radius: 5px; background: #fff; }
.access-help summary:hover .access-button { border-color: #777; background: #fafafa; }
.login-footer { margin: 30px 0 0; color: #7a7a7a; font-size: 12px; }
.form-alert { margin-bottom: 22px; padding: 12px; border: 1px solid #bbb; border-radius: 4px; background: #f3f3f3; font-size: 14px; line-height: 1.5; }
.field-errors { margin-top: 8px; font-size: 13px; line-height: 1.5; }
.form-alert ul, .field-errors ul { margin: 0; padding: 0; list-style: none; }

@media (max-width: 480px) {
    .login-page { padding: 32px 18px; }
    .login-logo { width: 230px; margin-bottom: 24px; }
    .login-card { padding: 26px 22px; }
    .access-help summary { flex-wrap: wrap; gap: 12px; }
}

.login-page .field-errors,
.login-page .form-alert {
    color: #991b1b;
    background: #fef2f2;
    border: 1px solid #fca5a5;
    border-left: 4px solid #dc2626;
    border-radius: 5px;
    padding: 12px 14px;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.5;
}

/* Resalta también el campo que contiene el error */
.login-page input[aria-invalid="true"] {
    border: 2px solid #dc2626;
    background: #fffafa;
}

.login-page input[aria-invalid="true"]:focus {
    box-shadow: 0 0 0 3px rgb(220 38 38 / 15%);
}