:root {
    --color-ipn: #6c173f;
    --color-escom: #0876b9;
    --color-escom-dark: #075b8d;
    --color-navy: #073b70;
    --color-navy-dark: #052d55;
    --color-text: #243041;
    --color-heading: #172033;
    --color-muted: #667085;
    --color-border: #d9e0e8;
    --color-error: #b42318;
    --color-error-soft: #fff1f0;
    --color-warning: #9a6700;
    --color-warning-soft: #fff8e5;
    --color-success: #087443;
    --color-success-soft: #ecfdf3;
    --shadow-header: 0 2px 7px rgba(16, 24, 40, 0.08);
    --shadow-floating:
        0 34px 85px rgba(1, 20, 40, 0.27),
        0 8px 24px rgba(1, 20, 40, 0.12),
        inset 0 1px 0 rgba(255, 255, 255, 0.82);
    --radius-large: 20px;
    --radius-medium: 12px;
    --transition: 180ms ease;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    min-width: 320px;
    min-height: 100%;
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    margin: 0;
    color: var(--color-text);
    background: var(--color-navy-dark);
    font-family: "Lato", Arial, sans-serif;
    line-height: 1.5;
}

button,
input {
    font: inherit;
}

button {
    border: 0;
}

img {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
}

.login-body {
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* Encabezado oficial de Gobierno de México */
.gob-header {
    position: relative;
    z-index: 110;
    width: 100%;
    min-height: 58px;
    color: #fff;
    background: #611232;
}

.gob-header__inner {
    width: min(100% - 48px, 1380px);
    min-height: 58px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.gob-header__logo {
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
    border-radius: 5px;
}

.gob-header__logo img {
    width: auto;
    height: 38px;
}

.gob-header__nav {
    display: flex;
    align-items: center;
    gap: 28px;
}

.gob-header__nav a {
    color: #fff;
    font-size: 0.94rem;
    text-decoration: none;
    transition: opacity var(--transition);
}

.gob-header__logo:hover,
.gob-header__nav a:hover {
    opacity: 0.78;
}

.gob-header__search {
    min-width: 28px;
    min-height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

/* Encabezado institucional compartido con las vistas de registro */
.register-header {
    position: relative;
    z-index: 100;
    width: 100%;
    min-height: 72px;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid #e7e9ed;
    box-shadow: var(--shadow-header);
}

.register-header__inner {
    width: min(100% - 48px, 1380px);
    min-height: 71px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.register-header__brands {
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 20px;
}

.register-header__institution-link,
.register-header__escom-link {
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
    border-radius: 6px;
    transition: opacity var(--transition), box-shadow var(--transition);
}

.register-header__institution-link:hover,
.register-header__escom-link:hover {
    opacity: 0.78;
}

.register-header__institutional-logo {
    width: auto;
    height: 50px;
    object-fit: contain;
}

.register-header__divider {
    width: 1px;
    height: 35px;
    flex: 0 0 1px;
    background: #cfd4dc;
}

.register-header__escom-logo {
    width: auto;
    height: 45px;
    object-fit: contain;
}

.register-header__section {
    flex: 0 0 auto;
    color: #8993a3;
    font-family: "Montserrat", Arial, sans-serif;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* Escenario principal */
.login-main {
    position: relative;
    isolation: isolate;
    min-height: calc(100vh - 130px);
    flex: 1 0 auto;
    overflow: hidden;
    background: var(--color-navy-dark);
}

.login-backdrop,
.login-backdrop__overlay {
    position: absolute;
    inset: 0;
}

.login-backdrop {
    z-index: -2;
    overflow: hidden;
    background: #163f64;
}

.login-backdrop img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 48%;
    transform: scale(1.015);
    filter: saturate(0.86) contrast(1.02);
}

.login-backdrop__overlay {
    background:
        linear-gradient(
            90deg,
            rgba(2, 31, 59, 0.77) 0%,
            rgba(2, 38, 72, 0.52) 36%,
            rgba(3, 42, 78, 0.17) 70%,
            rgba(3, 42, 78, 0.07) 100%
        ),
        linear-gradient(
            180deg,
            rgba(3, 32, 60, 0.05) 42%,
            rgba(3, 32, 60, 0.25) 100%
        );
}

.login-main__inner {
    width: min(100% - 48px, 1380px);
    min-height: calc(100vh - 130px);
    margin: 0 auto;
    padding: 28px 0 34px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
}

.login-back-link {
    margin: 0 0 14px 8px;
    display: inline-flex;
    align-items: center;
    gap: 9px;
    color: var(--color-navy);
    font-size: 0.9rem;
    font-weight: 700;
    text-decoration: none;
    transition: color var(--transition), transform var(--transition);
}

.login-back-link:hover {
    text-decoration: underline;
    transform: translateX(-3px);
}

/* Tarjeta flotante */
.login-card {
    width: min(100%, 500px);
    padding: 34px 36px 28px;
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.945);
    border: 1px solid rgba(255, 255, 255, 0.58);
    border-radius: var(--radius-large);
    box-shadow: var(--shadow-floating);
    -webkit-backdrop-filter: blur(13px) saturate(115%);
    backdrop-filter: blur(13px) saturate(115%);
}

.login-card__intro {
    margin-bottom: 25px;
}

.login-card__kicker {
    display: inline-block;
    margin-bottom: 7px;
    color: var(--color-escom-dark);
    font-family: "Montserrat", Arial, sans-serif;
    font-size: 0.73rem;
    font-weight: 700;
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.login-card__title {
    margin: 0;
    color: var(--color-heading);
    font-family: "Montserrat", Arial, sans-serif;
    font-size: clamp(1.8rem, 3vw, 2.25rem);
    font-weight: 700;
    line-height: 1.16;
}

.login-card__description {
    margin: 10px 0 0;
    color: var(--color-muted);
    font-size: 1rem;
}

/* Mensajes del servidor */
.login-alert {
    margin: 0 0 20px;
    padding: 13px 14px;
    display: flex;
    align-items: flex-start;
    gap: 11px;
    border: 1px solid transparent;
    border-radius: 11px;
    font-size: 0.9rem;
}

.login-alert__icon {
    width: 22px;
    min-width: 22px;
    height: 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 1px;
}

.login-alert__content {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.login-alert__content strong {
    color: inherit;
    font-family: "Montserrat", Arial, sans-serif;
    font-size: 0.82rem;
}

.login-alert--error {
    color: var(--color-error);
    background: var(--color-error-soft);
    border-color: rgba(180, 35, 24, 0.2);
}

.login-alert--warning {
    color: var(--color-warning);
    background: var(--color-warning-soft);
    border-color: rgba(154, 103, 0, 0.22);
}

.login-alert--success {
    color: var(--color-success);
    background: var(--color-success-soft);
    border-color: rgba(8, 116, 67, 0.2);
}

/* Formulario */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.login-field {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.login-label {
    color: #344054;
    font-size: 0.9rem;
    font-weight: 700;
}

.login-input-wrap {
    position: relative;
}

.login-input-wrap__icon {
    position: absolute;
    top: 50%;
    left: 15px;
    z-index: 2;
    width: 19px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #98a2b3;
    transform: translateY(-50%);
    pointer-events: none;
    transition: color var(--transition);
}

.login-input {
    width: 100%;
    height: 52px;
    margin: 0;
    padding: 0 46px;
    color: #1d2939;
    background: rgba(249, 250, 251, 0.88);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-medium);
    outline: none;
    font-size: 1rem;
    transition:
        border-color var(--transition),
        background var(--transition),
        box-shadow var(--transition);
}

.login-input--password {
    padding-right: 48px;
}

.login-input::placeholder {
    color: #98a2b3;
    opacity: 1;
}

.login-input:hover {
    border-color: #b7c1cd;
}

.login-input:focus {
    background: #fff;
    border-color: var(--color-escom);
    box-shadow: 0 0 0 4px rgba(8, 118, 185, 0.13);
}

.login-input-wrap:focus-within .login-input-wrap__icon {
    color: var(--color-escom-dark);
}

.login-password-toggle {
    position: absolute;
    top: 50%;
    right: 8px;
    z-index: 3;
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #667085;
    background: transparent;
    border-radius: 9px;
    cursor: pointer;
    transform: translateY(-50%);
    transition: color var(--transition), background var(--transition);
}

.login-password-toggle:hover {
    color: var(--color-escom-dark);
    background: rgba(8, 118, 185, 0.08);
}

.login-form__support {
    margin-top: -4px;
    display: flex;
    justify-content: flex-end;
}

.login-forgot-link {
    color: var(--color-navy);
    font-size: 0.88rem;
    font-weight: 700;
    text-decoration: none;
}

.login-forgot-link:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
}

.login-submit,
.login-register__button {
    min-height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-medium);
    font-weight: 700;
    text-decoration: none;
    transition:
        background var(--transition),
        border-color var(--transition),
        color var(--transition),
        box-shadow var(--transition),
        transform var(--transition);
}

.login-submit {
    width: 100%;
    margin-top: 1px;
    color: #fff;
    background: var(--color-navy);
    box-shadow: 0 8px 20px rgba(7, 59, 112, 0.22);
    cursor: pointer;
}

.login-submit__default,
.login-submit__loading {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 11px;
}

.login-submit__loading {
    display: none;
}

.login-submit:hover:not(:disabled) {
    background: #0a4a88;
    box-shadow: 0 10px 24px rgba(7, 59, 112, 0.29);
    transform: translateY(-1px);
}

.login-submit:active:not(:disabled) {
    transform: translateY(0);
}

.login-submit:disabled {
    cursor: wait;
    opacity: 0.78;
}

.login-form.is-submitting .login-submit__default {
    display: none;
}

.login-form.is-submitting .login-submit__loading {
    display: inline-flex;
}

/* Registro secundario */
.login-register {
    margin-top: 25px;
}

.login-register__separator {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 14px;
    color: #7a8494;
    font-size: 0.86rem;
    text-align: center;
}

.login-register__separator::before,
.login-register__separator::after {
    height: 1px;
    flex: 1 1 auto;
    content: "";
    background: rgba(152, 162, 179, 0.35);
}

.login-register__separator span {
    flex: 0 0 auto;
}

.login-register__button {
    width: 100%;
    color: var(--color-navy);
    background: rgba(255, 255, 255, 0.55);
    border: 1px solid rgba(7, 59, 112, 0.52);
}

.login-register__button:hover {
    color: #fff;
    background: var(--color-navy);
    border-color: var(--color-navy);
    box-shadow: 0 8px 18px rgba(7, 59, 112, 0.18);
    transform: translateY(-1px);
}

.login-card__footer {
    margin: 22px 0 0;
    color: #7c8797;
    font-size: 0.77rem;
    text-align: center;
}

/* Accesibilidad */
.gob-header__logo:focus-visible,
.gob-header__nav a:focus-visible,
.register-header a:focus-visible,
.login-back-link:focus-visible,
.login-forgot-link:focus-visible,
.login-password-toggle:focus-visible,
.login-submit:focus-visible,
.login-register__button:focus-visible {
    outline: 3px solid rgba(62, 170, 238, 0.68);
    outline-offset: 3px;
}

/* Pantallas con poca altura */
@media (max-height: 850px) and (min-width: 769px) {
    .login-main__inner {
        padding-top: 20px;
        padding-bottom: 24px;
        justify-content: flex-start;
    }

    .login-card {
        padding-top: 27px;
        padding-bottom: 22px;
    }

    .login-card__intro {
        margin-bottom: 19px;
    }

    .login-form {
        gap: 15px;
    }

    .login-register {
        margin-top: 20px;
    }

    .login-card__footer {
        margin-top: 17px;
    }
}

/* Tabletas */
@media (max-width: 900px) {
    .login-backdrop__overlay {
        background:
            linear-gradient(
                90deg,
                rgba(2, 31, 59, 0.7),
                rgba(2, 38, 72, 0.35)
            ),
            linear-gradient(
                180deg,
                rgba(3, 32, 60, 0.08),
                rgba(3, 32, 60, 0.32)
            );
    }

    .login-main__inner {
        align-items: center;
    }

    .login-back-link {
        width: min(100%, 500px);
    }
}

/* Móviles */
@media (max-width: 640px) {
    .gob-header {
        min-height: 54px;
    }

    .gob-header__inner,
    .register-header__inner,
    .login-main__inner {
        width: min(100% - 32px, 1380px);
    }

    .gob-header__inner {
        min-height: 54px;
    }

    .gob-header__logo img {
        height: 34px;
    }

    .gob-header__nav {
        gap: 8px;
    }

    .gob-header__nav a:not(.gob-header__search) {
        display: none;
    }

    .register-header,
    .register-header__inner {
        min-height: 66px;
    }

    .register-header__brands {
        gap: 12px;
    }

    .register-header__institutional-logo {
        height: 30px;
    }

    .register-header__divider {
        height: 29px;
    }

    .register-header__escom-logo {
        height: 29px;
    }

    .register-header__section {
        display: none;
    }

    .login-main {
        min-height: calc(100vh - 120px);
    }

    .login-main__inner {
        min-height: calc(100vh - 120px);
        padding: 22px 0 28px;
        justify-content: flex-start;
    }

    .login-back-link {
        margin-left: 2px;
        margin-bottom: 12px;
    }

    .login-card {
        padding: 28px 22px 23px;
        background: rgba(255, 255, 255, 0.955);
        border-color: rgba(255, 255, 255, 0.7);
        border-radius: 17px;
    }

    .login-card__title {
        font-size: 1.72rem;
    }

    .login-card__description {
        font-size: 0.95rem;
    }

    .login-register__separator {
        gap: 9px;
        font-size: 0.81rem;
    }
}

@media (max-width: 390px) {
    .register-header__institutional-logo {
        height: 27px;
    }

    .register-header__escom-logo {
        height: 26px;
    }

    .login-card {
        padding-right: 18px;
        padding-left: 18px;
    }

    .login-register__separator span {
        max-width: 165px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}

/* ==========================================================
   RESTABLECIMIENTO DE CONTRASEÑA
   ========================================================== */

.login-card--reset {
    width: min(100%, 570px);
}

.reset-hero {
    margin-bottom: 22px;
}

.reset-hero__icon--error {
    color: var(--color-error);
    background: var(--color-error-soft);
    border-color: rgba(180, 35, 24, 0.18);
}

.reset-form {
    gap: 17px;
}

.reset-field {
    position: relative;
}

.reset-field__error {
    margin: 0;
    color: var(--color-error);
    font-size: 0.8rem;
    line-height: 1.4;
}

.reset-field.has-error .login-input {
    border-color: var(--color-error);
    background: var(--color-error-soft);
    box-shadow: 0 0 0 4px rgba(180, 35, 24, 0.09);
}

.reset-field.has-error .login-input-wrap__icon {
    color: var(--color-error);
}

.reset-field.has-success .login-input {
    border-color: rgba(8, 116, 67, 0.58);
}

.reset-field.has-success .login-input-wrap__icon {
    color: var(--color-success);
}

.reset-error-summary {
    margin: 0 0 20px;
    padding: 13px 15px;
    color: var(--color-error);
    background: var(--color-error-soft);
    border: 1px solid rgba(180, 35, 24, 0.2);
    border-radius: 11px;
    font-size: 0.84rem;
}

.reset-error-summary strong {
    display: block;
    margin-bottom: 5px;
    font-family: "Montserrat", Arial, sans-serif;
    font-size: 0.81rem;
}

.reset-error-summary ul {
    margin: 0;
    padding-left: 18px;
}

.reset-error-summary li + li {
    margin-top: 3px;
}

.error-summary__link {
    padding: 0;
    color: inherit;
    background: transparent;
    cursor: pointer;
    text-align: left;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.reset-password-feedback {
    padding: 13px 14px;
    background: rgba(239, 246, 251, 0.72);
    border: 1px solid rgba(8, 118, 185, 0.13);
    border-radius: 11px;
}

.reset-strength__heading {
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    color: #526174;
    font-size: 0.77rem;
}

.reset-strength__heading strong {
    color: var(--color-navy);
}

.reset-strength__track {
    height: 6px;
    overflow: hidden;
    background: rgba(152, 162, 179, 0.24);
    border-radius: 999px;
}

.reset-strength__track span {
    width: 0;
    height: 100%;
    display: block;
    background: var(--color-error);
    border-radius: inherit;
    transition: width 240ms ease, background 240ms ease;
}

.reset-password-feedback[data-score="2"] .reset-strength__track span {
    background: #d97706;
}

.reset-password-feedback[data-score="3"] .reset-strength__track span {
    background: var(--color-escom);
}

.reset-password-feedback[data-score="4"] .reset-strength__track span {
    background: var(--color-success);
}

.reset-requirements {
    margin: 11px 0 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px 13px;
    list-style: none;
}

.reset-requirements li {
    display: flex;
    align-items: center;
    gap: 7px;
    color: #667085;
    font-size: 0.76rem;
    transition: color var(--transition);
}

.reset-requirements li > span {
    width: 17px;
    height: 17px;
    flex: 0 0 17px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(152, 162, 179, 0.15);
    font-size: 0.62rem;
}

.reset-requirements li.is-met {
    color: var(--color-success);
}

.reset-requirements li.is-met > span {
    background: var(--color-success-soft);
}

.reset-requirements li.is-pending {
    color: var(--color-error);
}

.reset-requirements li.is-pending > span {
    background: var(--color-error-soft);
}

.reset-password-match {
    min-height: 1.15rem;
    margin: 0;
    font-size: 0.79rem;
    font-weight: 700;
}

.reset-password-match.is-match {
    color: var(--color-success);
}

.reset-password-match.is-mismatch {
    color: var(--color-error);
}

.reset-security-note {
    margin-top: 17px;
}

.reset-request-link {
    gap: 10px;
    text-decoration: none;
}

.reset-error-summary:focus-visible,
.reset-request-link:focus-visible,
.error-summary__link:focus-visible {
    outline: 3px solid rgba(62, 170, 238, 0.68);
    outline-offset: 3px;
}

@media (max-width: 640px) {
    .reset-requirements {
        grid-template-columns: 1fr;
    }

    .reset-password-feedback {
        padding: 12px;
    }
}