body {
    margin: 0;
    font-family: var(--font-family-auth);
    background: var(--color-bg);
    color: var(--color-text);
}

.auth-container {
    display: flex;
    min-height: 100vh;
    position: relative;
}

.auth-container::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 0;
    height: 100%;
    width: 2px;
    background: linear-gradient(
        to bottom,
        transparent,
        var(--color-primary),
        transparent
        );
    opacity: 0.6;
}

.auth-visual {
    flex: 1;
    background:
        linear-gradient(rgba(0,0,0,0.3), rgba(0,0,0,0.3)),
        var(--auth-bg-image);
    background-size: cover;
    background-position: center;
}

.auth-form {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--color-bg);
    position: relative;
}

.auth-form::after {
    content: "";
    position: absolute;
    right: 0;
    top: 10%;
    height: 80%;
    width: 2px;
    background: linear-gradient(
        to bottom,
        transparent,
        var(--color-primary),
        transparent
        );
    border-radius: 2px;
    opacity: 0.7;
}

.auth-card {
    width: 100%;
    max-width: 400px;
    background: var(--color-card);
    padding: 40px;
    border-radius: var(--radius-md);

    box-shadow:
        0 10px 25px rgba(0,0,0,0.08),
        0 5px 10px rgba(0,0,0,0.04);

    border-left: 5px solid var(--color-primary);
}

.auth-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.55rem;
    margin: 0 0 1rem;
    text-align: center;
}

.auth-brand__mark {
    display: inline-flex;
    align-items: flex-end;
    justify-content: center;
    gap: 0;
    min-height: 44px;
}

.auth-brand__logo {
    display: block;
    height: 48px;
    width: 48px;
    max-height: 48px;
    max-width: 48px;
    object-fit: contain;
    flex-shrink: 0;
}

.auth-brand__wordmark {
    display: inline-block;
    font-size: 1.65rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 0.85;
    color: var(--color-primary);
    white-space: nowrap;
    -webkit-text-stroke: 0.45px currentColor;
    paint-order: stroke fill;
    padding-bottom: 0.08em;
    margin-left: -0.2rem;
    /* Solo el wordmark un poco más arriba (logo queda fijo). */
    transform: translateY(-0.35rem);
    position: relative;
    z-index: 1;
}

.auth-brand__name {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--color-primary);
    line-height: 1.2;
}

.auth-brand__credit {
    margin: 0;
    font-size: 0.75rem;
    line-height: 1.35;
    color: var(--color-text-muted);
    font-weight: 500;
}

.auth-brand__credit-link,
.auth-brand__credit-name {
    color: var(--color-primary);
    font-weight: 700;
    text-decoration: none;
}

.auth-brand__credit-link:hover {
    text-decoration: underline;
}

.auth-brand__credit-sep {
    margin: 0 0.25rem;
    opacity: 0.7;
}

.auth-card--login {
    position: relative;
}

.auth-pwa-install {
    position: absolute;
    top: 0.65rem;
    right: 0.65rem;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    width: auto;
    height: auto;
    margin: 0;
    padding: 0.3rem 0.45rem;
    border: 0;
    border-radius: 0.4rem;
    background: transparent;
    color: var(--color-text-muted);
    font-size: 0.8rem;
    font-weight: 600;
    line-height: 1;
    opacity: 0.7;
    cursor: pointer;
    transition: opacity 0.15s ease, color 0.15s ease, background-color 0.15s ease;
}

.auth-pwa-install__text {
    letter-spacing: 0.01em;
}

.auth-pwa-install .fas {
    font-size: 1.05rem;
}

.auth-pwa-install:hover,
.auth-pwa-install:focus-visible {
    opacity: 1;
    color: var(--color-primary);
    background: color-mix(in srgb, var(--color-primary) 10%, transparent);
    outline: none;
}

.auth-pwa-install[hidden] {
    display: none !important;
}

.auth-card--registro {
    max-width: 720px;
    padding: 22px 36px 28px;
    border-left: none;
    border-top: 4px solid var(--color-primary);
}

.auth-card--registro .auth-brand {
    margin-bottom: 0.65rem;
}

.auth-card--registro .auth-brand__logo {
    height: 40px;
    width: 40px;
    max-height: 40px;
    max-width: 40px;
}

.auth-card--registro .auth-brand__wordmark {
    font-size: 1.4rem;
}

.auth-card--registro .auth-card__section-title {
    margin-bottom: 0.65rem;
}

.auth-card--registro .auth-card__intro-panel {
    margin-bottom: 0.85rem;
    padding: 0.65rem 0.85rem;
}

.auth-card__section-title {
    margin: 0 0 0.5rem;
    font-size: 1.35rem;
    line-height: 1.35;
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    column-gap: 0.15rem;
    row-gap: 0.35rem;
}

.auth-card__section-heading {
    position: relative;
    display: inline-block;
    max-width: 100%;
}

.auth-card__section-meta {
    font-size: 0.82rem;
    font-weight: 500;
    line-height: 1.4;
    color: var(--color-text-muted);
}

.auth-card__section-sep {
    margin: 0 0.15rem;
    font-weight: 400;
    color: color-mix(in srgb, var(--color-text-muted) 70%, transparent);
}

.auth-card__section-heading::after {
    content: "";
    display: block;
    width: 100%;
    height: 3px;
    background: var(--color-primary);
    margin-top: 8px;
    margin-bottom: 2px;
    border-radius: 2px;
}

.auth-card__section-lead {
    margin: 0 0 1.25rem;
    font-size: 0.92rem;
    line-height: 1.55;
    color: var(--color-text-muted);
}

.auth-card .auth-card__intro-panel {
    min-height: auto;
    padding: 0.85rem 1rem;
    margin: 0 0 1.25rem;
    background: var(--color-surface, #f8f9fa);
}

.auth-card .auth-card__intro-panel .ds-page-intro {
    margin: 0;
    padding: 0;
    font-size: 0.92rem;
    line-height: 1.55;
}

.auth-card--registro > p {
    margin: 0 0 1.25rem;
    font-size: 0.92rem;
    line-height: 1.5;
    color: var(--color-text-muted);
}

/* Página demo centrada (sin panel de imagen) */
.auth-container--demo {
    justify-content: flex-start;
    align-items: center;
    padding: 0.35rem 1.25rem 1.75rem;
    background:
        radial-gradient(ellipse at top, color-mix(in srgb, var(--color-primary) 12%, transparent), transparent 55%),
        var(--color-bg);
}

.auth-container--demo::after,
.auth-container--demo .auth-form::after {
    display: none;
}

.auth-container--demo .auth-form {
    flex: none;
    width: 100%;
    max-width: 760px;
    margin: 0 auto;
    align-items: stretch;
    justify-content: flex-start;
    background: transparent;
    padding: 0;
}

.auth-container--demo.auth-container--wide .auth-form {
    max-width: 1100px;
}

.auth-container--demo.auth-container--wide .auth-card--registro {
    max-width: 1100px;
}

.auth-demo-shell {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.auth-demo-intro {
    text-align: center;
    max-width: 760px;
    margin: 0 auto;
}

.auth-container--wide .auth-demo-intro {
    max-width: 1100px;
}

.auth-demo-eyebrow {
    display: inline-block;
    margin-bottom: 0.35rem;
    padding: 0.3rem 0.75rem;
    border-radius: 999px;
    border: 1px solid var(--color-primary);
    background: color-mix(in srgb, var(--color-primary) 12%, var(--color-card));
    color: var(--color-primary);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    box-shadow: 0 1px 6px color-mix(in srgb, var(--color-primary) 14%, transparent);
}

.auth-demo-lead {
    margin: 0 auto 0.55rem;
    max-width: 34rem;
    font-size: 0.95rem;
    line-height: 1.45;
    color: var(--color-text-muted);
}

.auth-demo-features {
    display: flex;
    flex-wrap: nowrap;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
    padding: 0;
    list-style: none;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.auth-demo-features::-webkit-scrollbar {
    display: none;
}

.auth-demo-features li {
    display: inline-flex;
    flex-shrink: 0;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.75rem;
    border-radius: 999px;
    border: 1px solid color-mix(in srgb, var(--color-primary) 22%, var(--color-border));
    background: var(--color-card);
    color: var(--color-text);
    font-size: 0.78rem;
    font-weight: 600;
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}

.auth-demo-features li i {
    color: var(--color-primary);
    font-size: 0.82rem;
    line-height: 1;
    flex-shrink: 0;
}

.auth-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 1rem;
    margin-bottom: 0.25rem;
}

.auth-form-grid--cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    column-gap: 0.75rem;
}

.auth-form-grid--cols-5 {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    column-gap: 0.7rem;
    row-gap: 0;
}

.auth-form-grid--cols-4 .input-group label,
.auth-form-grid--cols-5 .input-group label {
    font-size: 0.8125rem;
}

.auth-form-grid--cols-4 .input-group input,
.auth-form-grid--cols-4 .input-group select,
.auth-form-grid--cols-5 .input-group input,
.auth-form-grid--cols-5 .input-group select {
    padding: 8px 9px;
    font-size: 0.875rem;
}

.auth-form-grid .input-group {
    margin-bottom: 1rem;
}

.auth-form-grid--cols-5 .input-group {
    margin-bottom: 0.85rem;
}

.auth-form-grid__full {
    grid-column: 1 / -1;
}

.auth-form-grid__span-2 {
    grid-column: span 2;
}

.auth-field-hint {
    display: block;
    margin-top: 0.35rem;
    font-size: 0.75rem;
    line-height: 1.35;
    color: var(--color-text-muted);
}

.auth-card h2 {
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
    width: fit-content;
    max-width: 100%;
}

.auth-card h2::after {
    content: "";
    display: block;
    width: 100%;
    height: 3px;
    background: var(--color-primary);
    margin-top: 8px;
    border-radius: 2px;
}

/* Títulos con meta: la línea va solo bajo la palabra/frase principal */
.auth-card h2.auth-card__section-title {
    display: flex;
    width: 100%;
    max-width: 100%;
}

.auth-card h2.auth-card__section-title::after {
    content: none;
}

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    font-weight: 600;
    font-size: 14px;
    margin-top: 5px;
    color: var(--color-text);
}

.input-group input {
    width: 100%;
    padding: 10px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);    
    background: var(--color-card);
    color: var(--color-text);
}

.auth-card .input-group select {
    width: 100%;
    padding: 10px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-card);
    color: var(--color-text);
}

.auth-card .input-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-focus);
}

.input-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-focus);
}

.auth-links {
    margin-top: 15px;
    font-size: 14px;
    text-align: center;
    display: flex;
    justify-content: center;
    gap: 5px;
    flex-wrap: wrap;
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 1rem 0;
    color: var(--color-secondary, #6B7280);
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: lowercase;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: color-mix(in srgb, var(--color-secondary, #6B7280) 35%, transparent);
}

a.btn-google,
.btn-google {
    display: flex !important;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    width: 100%;
    min-height: 44px;
    padding: 0.7rem 1rem;
    margin: 0;
    border: 1px solid #dadce0 !important;
    border-radius: var(--radius-md, 8px);
    background: #ffffff !important;
    color: #3c4043 !important;
    font-family: var(--font-family-auth, inherit);
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.2;
    text-align: center;
    text-decoration: none !important;
    box-sizing: border-box;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -webkit-tap-highlight-color: transparent;
    box-shadow: 0 1px 2px rgba(60, 64, 67, 0.12);
    transition: background-color 0.15s ease, box-shadow 0.15s ease;
}

a.btn-google:link,
a.btn-google:visited,
a.btn-google:hover,
a.btn-google:active,
a.btn-google:focus {
    color: #3c4043 !important;
    text-decoration: none !important;
    background: #ffffff !important;
    border-color: #dadce0 !important;
}

a.btn-google:hover,
.btn-google:hover {
    background: #f8f9fa !important;
    box-shadow: 0 1px 3px rgba(60, 64, 67, 0.22);
}

a.btn-google:active,
.btn-google:active {
    background: #f1f3f4 !important;
    box-shadow: none;
}

.btn-google__icon,
.btn-google svg.btn-google__icon {
    width: 20px !important;
    height: 20px !important;
    max-width: 20px !important;
    max-height: 20px !important;
    flex: 0 0 20px;
    display: block;
    overflow: hidden;
}

.btn-google__label {
    display: inline-block;
    color: inherit !important;
    text-decoration: none !important;
    white-space: nowrap;
}

.dark a.btn-google,
.dark .btn-google,
.dark a.btn-google:link,
.dark a.btn-google:visited,
.dark a.btn-google:hover,
.dark a.btn-google:active,
.dark a.btn-google:focus {
    background: #202124 !important;
    border-color: #5f6368 !important;
    color: #e8eaed !important;
}

.dark a.btn-google:hover,
.dark .btn-google:hover {
    background: #303134 !important;
}

.auth-links a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
}

.auth-links a:hover {
    text-decoration: underline;
}

.input-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}

.input-checkbox input {
    width: 16px;
    height: 16px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.input-checkbox label {
    cursor: pointer;
    color: var(--color-text);
}

/* Validación → design-system.css */

.auth-alert {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 20px;
    padding: 14px 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-primary);
    background: var(--color-card);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.auth-alert__icon {
    flex-shrink: 0;
    font-size: 1.125rem;
    line-height: 1.4;
    margin-top: 1px;
}

.auth-alert__message {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--color-text);
}

.auth-alert--success,
.auth-alert--info {
    border-left-color: var(--color-primary);
    background: color-mix(in srgb, var(--color-primary) 8%, var(--color-card));
    border-color: color-mix(in srgb, var(--color-primary) 25%, var(--color-border));
}

.auth-alert--success .auth-alert__icon,
.auth-alert--info .auth-alert__icon {
    color: var(--color-primary);
}

.auth-alert--success .auth-alert__message,
.auth-alert--info .auth-alert__message {
    color: var(--color-text);
}

.auth-alert--error {
    border-left-color: var(--color-danger);
    background: var(--color-error-bg);
    border-color: color-mix(in srgb, var(--color-danger) 30%, var(--color-border));
}

.auth-alert--error .auth-alert__icon {
    color: var(--color-danger);
}

.dark .auth-alert {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.dark .auth-card h2,
.dark .auth-card__section-title {
    color: color-mix(in srgb, var(--color-text) 85%, white);
}

.dark .auth-card h2::after,
.dark .auth-card__section-heading::after {
    opacity: 0.9;
}

.auth-links span {
    color: var(--color-text-muted);
}

@media (max-width: 992px) {
    .auth-form-grid--cols-4,
    .auth-form-grid--cols-5 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .auth-form-grid--cols-4 .auth-form-grid__span-2,
    .auth-form-grid--cols-5 .auth-form-grid__span-2 {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .auth-visual {
        display: none;
    }

    .auth-container::after {
        display: none;
    }

    .auth-form::after {
        display: none;
    }

    .auth-container:not(.auth-container--demo) {
        padding: 0.75rem 0 4.5rem;
    }

    .auth-form {
        align-items: flex-start;
        padding: 1.25rem 0.75rem 0;
        width: 100%;
        box-sizing: border-box;
    }

    .auth-card {
        max-width: 100%;
        width: 100%;
        box-sizing: border-box;
    }

    .auth-card h2 {
        font-size: 1.35rem;
        line-height: 1.25;
    }

    .auth-card .input-group input,
    .auth-card .input-group select {
        font-size: 16px; /* evita zoom automático en iOS */
    }

    a.btn-google,
    .btn-google {
        font-size: 0.9rem;
        gap: 0.45rem;
        padding: 0.75rem 0.85rem;
        min-height: 48px;
    }

    .btn-google__label {
        white-space: normal;
        text-align: center;
    }

    .auth-links {
        flex-direction: column;
        align-items: center;
        gap: 0.45rem;
        line-height: 1.4;
    }

    .auth-links span {
        display: none;
    }

    .auth-container--demo {
        padding: 0.25rem 1rem 1.5rem;
    }

    .auth-demo-lead {
        font-size: 0.94rem;
    }

    .auth-card--registro {
        max-width: 100%;
        padding: 28px 24px;
        margin: 0;
    }

    .auth-form-grid,
    .auth-form-grid--cols-4,
    .auth-form-grid--cols-5 {
        grid-template-columns: 1fr;
        column-gap: 0;
    }

    .auth-form-grid--cols-4 .input-group input,
    .auth-form-grid--cols-4 .input-group select,
    .auth-form-grid--cols-5 .input-group input,
    .auth-form-grid--cols-5 .input-group select {
        font-size: 16px;
    }

    .auth-form-grid--cols-4 .auth-form-grid__span-2,
    .auth-form-grid--cols-5 .auth-form-grid__span-2 {
        grid-column: auto;
    }
}

@media (max-width: 576px) {
    body:has(.auth-container) {
        padding-top: 0;
    }

    .auth-container--demo {
        padding: 0.35rem 0.75rem 4.75rem;
    }

    .auth-demo-intro {
        padding: 0 0.15rem;
    }

    .auth-demo-features {
        flex-wrap: wrap;
        justify-content: center;
        overflow-x: visible;
        gap: 0.4rem;
    }

    .auth-demo-features li {
        font-size: 0.72rem;
        padding: 0.35rem 0.6rem;
    }

    .auth-card--registro {
        padding: 20px 16px;
        margin: 0;
        border-radius: var(--radius);
    }

    .auth-card__section-title {
        font-size: 1.15rem;
        line-height: 1.3;
    }

    .auth-card__section-meta {
        display: block;
        margin-top: 0.2rem;
        font-size: 0.78rem;
    }

    .auth-card__section-sep {
        display: none;
    }

    .auth-card .auth-card__intro-panel {
        padding: 0.75rem 0.85rem;
    }

    .auth-card .auth-card__intro-panel .ds-page-intro {
        font-size: 0.875rem;
    }

    .auth-links {
        font-size: 0.875rem;
        margin-top: 12px;
    }
}