/* Pet author auth chrome — login, open-book select, magic-link join (#729).
   Admin operator auth stays on public/marketing-auth.css + .auth-wrap. */

html:has(.pet-auth-wrap) {
    min-width: 0;
}

html:has(.pet-auth-wrap) body {
    min-width: 0;
    width: 100%;
    overflow-x: hidden;
    margin: 0;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    color: var(--pet-text);
    background: var(--pet-bg);
}

html:has(.pet-auth-wrap) {
    overflow: hidden;
}

html:has(.pet-auth-wrap) body {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    height: 100dvh;
    max-height: 100dvh;
    overflow: hidden;
    overscroll-behavior: none;
}

.pet-auth-wrap {
    position: fixed;
    inset: 0;
    box-sizing: border-box;
    min-height: 100%;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding:
        max(0.85rem, env(safe-area-inset-top, 0px))
        max(1rem, env(safe-area-inset-right, 0px))
        max(0.85rem, env(safe-area-inset-bottom, 0px))
        max(1rem, env(safe-area-inset-left, 0px));
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    background: var(--pet-bg);
}

/* Open Book list — top-aligned scroll surface (login/join stay vertically centered). */
.pet-auth-wrap[data-pet-auth-surface="open-books"] {
    justify-content: flex-start;
    padding-top: max(0.65rem, env(safe-area-inset-top, 0px));
}

.pet-auth-wrap[data-pet-auth-surface="login"] {
    justify-content: flex-start;
    padding-top: max(0.35rem, env(safe-area-inset-top, 0px));
}

.pet-auth-wmb-icon {
    position: absolute;
    top: max(0.2rem, env(safe-area-inset-top, 0px));
    right: max(0.35rem, env(safe-area-inset-right, 0px));
    z-index: 6;
    box-sizing: border-box;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: var(--pet-touch-target);
    height: var(--pet-touch-target);
    border-radius: 10px;
    text-decoration: none;
}

body.has-badges .pet-auth-wmb-icon {
    right: max(3.35rem, calc(env(safe-area-inset-right, 0px) + 3.1rem));
}

.pet-auth-wmb-icon img {
    width: 28px;
    height: 28px;
    display: block;
    border-radius: 6px;
}

.pet-auth-wmb-icon:hover,
.pet-auth-wmb-icon:focus-visible {
    background: rgba(var(--pet-ink-rgb), 0.08);
    outline: none;
}

.pet-auth-wmb-icon:focus-visible {
    box-shadow: 0 0 0 3px rgba(31, 122, 77, 0.18);
}

.pet-auth-card-stack,
.pet-auth-leo-stack {
    width: 100%;
    max-width: var(--pet-auth-card-max);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    flex-shrink: 0;
}

.pet-auth-leo {
    position: relative;
    margin: 0.15rem 0 0.85rem;
    width: 100%;
    height: 9.4rem;
    overflow: hidden;
    border-radius: 10px;
    pointer-events: none;
}

.pet-auth-leo-img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 50% 28%;
}

.pet-auth-card {
    background: var(--pet-surface);
    border: 1px solid var(--pet-border);
    border-radius: var(--pet-radius);
    padding: 1.5rem 1.5rem 1.35rem;
    width: 100%;
    max-width: var(--pet-auth-card-max);
    text-align: center;
    box-shadow: var(--pet-shadow);
    flex-shrink: 0;
}

.pet-auth-card--leo {
    position: relative;
}

.pet-auth-card--leo .pet-auth-brand {
    font-size: 1.28rem;
    margin-bottom: 0.2rem;
}

.pet-auth-card--leo .pet-auth-sub {
    font-size: 0.95rem;
    color: var(--pet-text);
    font-weight: 600;
    margin-bottom: 0.7rem;
}

.pet-auth-card--select {
    max-width: var(--pet-auth-select-max);
    text-align: left;
}

.pet-auth-figure {
    margin: 0 0 0.65rem;
}

.pet-auth-illustration {
    width: 7.5rem;
    height: 7.5rem;
    object-fit: contain;
    border-radius: 1rem;
}

.pet-auth-brand {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--pet-text);
    letter-spacing: -0.02em;
    margin-bottom: 0.15rem;
}

.pet-auth-sub {
    font-size: 0.88rem;
    color: var(--pet-muted);
    margin-bottom: 0.85rem;
    line-height: 1.45;
}

.pet-auth-lead,
.pet-auth-wrap .auth-lead {
    font-size: 0.92rem;
    color: var(--pet-muted);
    margin: 0 0 0.75rem;
    line-height: 1.5;
}

.pet-auth-return-hint {
    color: var(--pet-text);
    font-weight: 600;
}

.pet-auth-wrap .auth-otp-method {
    display: flex;
    gap: 0.5rem;
    margin: 0 0 0.65rem;
}

.pet-auth-wrap .auth-otp-method-btn {
    flex: 1 1 0;
    padding: 0.45rem 0.65rem;
    border-radius: 999px;
    border: 1px solid var(--pet-border);
    background: var(--pet-surface);
    color: var(--pet-muted);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
}

.pet-auth-wrap .auth-otp-method-btn.is-active {
    border-color: var(--pet-journey-active);
    background: rgba(31, 122, 77, 0.1);
    color: var(--pet-text);
}

.pet-auth-wrap .auth-otp-recaptcha-hint {
    margin: 0 0 0.55rem;
    font-size: 0.82rem;
    line-height: 1.4;
    color: var(--pet-muted);
}

.login-recaptcha-mount {
    margin: 0 0 0.55rem;
}

.login-recaptcha-mount .wmb-login-recaptcha-host {
    margin: 0;
}

.wmb-login-recaptcha-host {
    display: flex;
    justify-content: center;
    margin: 0.75rem 0 0.25rem;
}

.wmb-login-recaptcha-host[hidden] {
    display: none !important;
}

.pet-auth-wrap .auth-field {
    width: 100%;
    box-sizing: border-box;
    padding: 0.65rem 0.85rem;
    border: 1px solid var(--pet-border);
    border-radius: var(--pet-control-radius);
    background: var(--pet-surface);
    color: var(--pet-text);
    font-size: 1rem;
    margin-bottom: 0.55rem;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.pet-auth-wrap .auth-field:focus {
    outline: none;
    border-color: var(--pet-journey-active);
    box-shadow: 0 0 0 3px rgba(31, 122, 77, 0.18);
}

.pet-auth-wrap .btn,
.pet-auth-modal-box .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    padding: 0.6rem 1.15rem;
    border-radius: var(--pet-control-radius);
    font-size: 0.92rem;
    font-weight: 650;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    transition: background 0.15s, transform 0.1s, opacity 0.15s;
    max-width: 100%;
    white-space: normal;
    text-align: center;
    min-height: var(--pet-touch-target);
}

.pet-auth-wrap .btn:disabled,
.pet-auth-modal-box .btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none !important;
}

.pet-auth-wrap .btn-primary,
.pet-auth-modal-box .btn-primary {
    background: var(--pet-ink);
    color: #fff;
    width: 100%;
}

.pet-auth-wrap .btn-primary:hover:not(:disabled),
.pet-auth-modal-box .btn-primary:hover:not(:disabled) {
    background: var(--pet-ink-hover);
}

.pet-auth-wrap .btn-ghost,
.pet-auth-modal-box .btn-ghost {
    background: rgba(var(--pet-ink-rgb), 0.06);
    color: var(--pet-text);
    border-color: var(--pet-border);
    width: 100%;
}

.pet-auth-wrap .btn-ghost:hover:not(:disabled),
.pet-auth-modal-box .btn-ghost:hover:not(:disabled) {
    background: rgba(var(--pet-ink-rgb), 0.1);
}

.pet-auth-wrap .btn-danger,
.pet-auth-modal-box .btn-danger {
    background: var(--pet-danger);
    color: #fff;
}

.pet-auth-wrap .btn-danger:hover:not(:disabled),
.pet-auth-modal-box .btn-danger:hover:not(:disabled) {
    background: var(--pet-danger-hover);
}

.pet-auth-wrap .auth-error {
    color: var(--pet-danger);
    font-size: 0.82rem;
    margin-top: 0.35rem;
    min-height: 1.1em;
}

.pet-auth-wrap .auth-signout-row {
    margin: 1.15rem 0 0;
}

.pet-auth-wrap .auth-signout-link {
    appearance: none;
    background: none;
    border: none;
    padding: 0.4rem 0.5rem;
    font: inherit;
    font-size: 0.82rem;
    color: var(--pet-muted);
    cursor: pointer;
    text-decoration: underline;
    text-underline-offset: 0.12em;
}

.pet-auth-wrap .auth-signout-link:hover,
.pet-auth-wrap .auth-signout-link:focus-visible {
    color: var(--pet-text);
    outline: none;
}

.pet-auth-wrap .spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--pet-border);
    border-top-color: var(--pet-journey-active);
    border-radius: 50%;
    animation: pet-auth-spin 0.75s linear infinite;
    margin: 0.65rem auto;
}

.pet-auth-wrap #state-checking p,
.pet-auth-wrap .pet-auth-status {
    color: var(--pet-muted);
    font-size: 0.9rem;
    margin-top: 0.45rem;
}

@keyframes pet-auth-spin {
    to { transform: rotate(360deg); }
}

.pet-auth-wrap .otp-code-row {
    display: flex;
    gap: 0.35rem;
    justify-content: center;
    margin: 0.5rem 0;
    width: 100%;
    max-width: 100%;
}

.pet-auth-wrap .otp-code-row .auth-field,
.pet-auth-wrap .otp-digit-input {
    width: 2.2rem;
    flex: 0 0 auto;
    text-align: center;
    padding: 0.65rem 0.25rem;
    margin-bottom: 0;
    border-width: 1.5px;
    border-color: rgba(var(--pet-ink-rgb), 0.38);
}

.pet-auth-footer {
    margin: 1rem 0 0;
    font-size: 0.88rem;
}

.pet-auth-text-link {
    color: var(--pet-journey-active);
    font-weight: 650;
    text-decoration: none;
}

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

/* Local dev OTP bypass (Pet login only) */
.pet-auth-wrap .dev-local-entry {
    margin-top: 0.85rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--pet-border);
    text-align: left;
}

.pet-auth-wrap .dev-local-entry-divider {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--pet-muted);
    margin-bottom: 0.3rem;
}

.pet-auth-wrap .dev-local-entry-copy,
.pet-auth-wrap .dev-local-entry-hint {
    font-size: 0.8rem;
    color: var(--pet-muted);
    line-height: 1.35;
    margin: 0 0 0.5rem;
}

.pet-auth-wrap .dev-local-entry-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.pet-auth-wrap .dev-local-entry .btn[hidden] {
    display: none !important;
}

.pet-auth-wrap .dev-local-entry-notice {
    display: block;
    margin: 0 0 0.55rem;
    padding: 0.7rem 0.85rem;
    border-radius: var(--pet-control-radius);
    background: rgba(180, 35, 24, 0.08);
    border: 1px solid rgba(180, 35, 24, 0.35);
    color: var(--pet-danger);
    font-size: 0.84rem;
    font-weight: 650;
    line-height: 1.4;
    text-align: left;
}

.pet-auth-wrap .dev-local-entry-notice[hidden] {
    display: none !important;
}

html:has(.pet-auth-wrap) .alert-area-host {
    position: fixed;
    top: max(1rem, env(safe-area-inset-top, 0px));
    left: 50%;
    z-index: 10050;
    width: min(24rem, calc(100vw - 2rem));
    transform: translateX(-50%);
    pointer-events: none;
}

html:has(.pet-auth-wrap) .alert-area-host .alert {
    margin: 0;
    padding: 0.75rem 1rem;
    border-radius: var(--pet-control-radius);
    font-size: 0.88rem;
    font-weight: 650;
    line-height: 1.4;
    text-align: center;
    box-shadow: var(--pet-shadow);
    pointer-events: auto;
}

html:has(.pet-auth-wrap) .alert-area-host .alert-error {
    background: #fff;
    color: var(--pet-danger);
    border: 1px solid rgba(180, 35, 24, 0.35);
}

/* Open-book select */
.pet-auth-select-sub {
    color: var(--pet-muted);
    font-size: 0.92rem;
    margin-bottom: 0.85rem;
    line-height: 1.6;
}

.pet-auth-your-books {
    margin: 0 0 1.1rem;
}

.pet-auth-your-books-heading {
    margin: 0 0 0.6rem;
    font-size: 1.05rem;
    font-weight: 750;
    letter-spacing: -0.02em;
    color: var(--pet-text);
}

.pet-auth-select-account-bar {
    margin-top: 1.15rem;
    padding-top: 0.85rem;
    border-top: 1px solid var(--pet-border);
}

.pet-auth-select-account {
    color: var(--pet-muted);
    font-size: 0.78rem;
    margin: 0;
    word-break: break-word;
}

.pet-auth-select-account-bar .pet-auth-link-button {
    margin-top: 0.1rem;
    padding: 0.25rem 0;
}

.pet-open-books-chrome {
    position: relative;
    width: 100%;
    max-width: var(--pet-auth-select-max);
    margin: 0 auto 0.65rem;
    flex-shrink: 0;
}

.pet-open-books-chrome .pet-nav {
    position: static;
    background: transparent;
    border: 0;
    box-shadow: none;
    padding: 0;
}

.pet-open-books-chrome .pet-nav-app-bar {
    min-height: 2.75rem;
    padding: 0;
}

.pet-open-books-chrome .pet-nav-trailing {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.2rem;
    margin-left: auto;
}

.pet-open-books-chrome .pet-chrome-menu {
    display: flex;
    align-items: center;
    gap: 0.15rem;
}

.pet-auth-wrap .pet-journey-footer-badges {
    width: 100%;
    max-width: var(--pet-auth-select-max);
    margin-top: auto;
}

.pet-open-books-guide-stub {
    display: none;
}

.pet-auth-book-list {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    border: 0;
    background: transparent;
}

.pet-auth-books-empty {
    margin: 0;
    color: var(--pet-muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

.pet-auth-book-row {
    width: 100%;
    min-width: 0;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.7rem;
    padding: 0.65rem 0.75rem 0.65rem 0.7rem;
    background: var(--pet-surface);
    border: 1px solid var(--pet-border);
    border-radius: 12px;
    cursor: pointer;
    transition: background 0.15s;
    text-align: left;
    appearance: none;
    -webkit-appearance: none;
    font: inherit;
    color: inherit;
}

.pet-auth-book-row:hover,
.pet-auth-book-row:focus-visible {
    background: rgba(31, 122, 77, 0.08);
    outline: none;
}

.pet-auth-book-cover {
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: color-mix(in srgb, var(--pet-accent) 14%, var(--pet-bg));
    color: color-mix(in srgb, var(--pet-accent) 72%, var(--pet-muted));
    font-size: 1.05rem;
}

.pet-auth-book-cover-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.pet-auth-book-row-copy {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.12rem;
}

.pet-auth-book-row-title {
    font-size: 0.98rem;
    font-weight: 650;
    color: var(--pet-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pet-auth-book-row-meta {
    font-size: 0.78rem;
    color: var(--pet-muted);
    white-space: normal;
    line-height: 1.35;
}

.pet-auth-book-row-chevron {
    flex-shrink: 0;
    color: var(--pet-muted);
    font-size: 0.78rem;
}

.pet-auth-link-button {
    font-size: 0.82rem;
    color: var(--pet-muted);
    margin-top: 1.15rem;
    display: block;
    cursor: pointer;
    text-decoration: underline;
    background: none;
    border: none;
    padding: 0.35rem 0;
    font: inherit;
}

.pet-auth-start-invite {
    margin-top: 0.15rem;
    padding: 1.05rem 1.05rem 1.1rem;
    border-radius: 16px;
    background: color-mix(in srgb, var(--pet-accent) 11%, var(--pet-surface));
    border: 1px solid color-mix(in srgb, var(--pet-accent) 22%, var(--pet-border));
}

.pet-auth-start-invite-head {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    margin-bottom: 0.9rem;
}

.pet-auth-start-invite-picture {
    flex-shrink: 0;
    display: block;
    line-height: 0;
}

.pet-auth-start-invite-img {
    width: 4.25rem;
    height: 4.25rem;
    object-fit: cover;
    border-radius: 12px;
    display: block;
    box-shadow: 0 4px 12px rgba(45, 36, 56, 0.1);
}

.pet-auth-start-invite-copy-wrap {
    min-width: 0;
}

.pet-auth-start-invite-title {
    margin: 0 0 0.28rem;
    font-size: 1.12rem;
    font-weight: 750;
    letter-spacing: -0.02em;
    color: var(--pet-text);
    line-height: 1.25;
}

.pet-auth-start-invite-copy {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.45;
    color: var(--pet-muted);
}

.pet-auth-start-invite .btn-primary {
    width: 100%;
}

.pet-auth-back-to-site {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    min-height: 44px;
    margin-bottom: 0.35rem;
    padding: 0.25rem 0.75rem;
    border: 1px solid var(--pet-border);
    border-radius: 999px;
    color: var(--pet-text);
    background: var(--pet-surface);
    font-weight: 600;
    text-decoration: none;
}

.pet-auth-back-to-site:hover,
.pet-auth-back-to-site:focus-visible {
    background: var(--pet-bg);
    outline-offset: 2px;
}

@media (min-width: 520px) {
    .pet-auth-start-invite {
        padding: 1.2rem 1.2rem 1.25rem;
    }

    .pet-auth-start-invite-img {
        width: 4.75rem;
        height: 4.75rem;
    }

    .pet-auth-start-invite-title {
        font-size: 1.18rem;
    }
}

/* Join / magic-link states */
.pet-auth-wrap .auth-sent-icon {
    font-size: 2rem;
    margin: 0.5rem 0;
}

.pet-auth-wrap .auth-sent {
    font-size: 0.95rem;
    color: var(--pet-muted);
    line-height: 1.6;
    margin-bottom: 1.1rem;
}

/* Manage-book modals (select page) */
.pet-auth-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--pet-overlay, rgba(45, 36, 56, 0.42));
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.pet-auth-modal-overlay.is-open {
    display: flex;
}

.pet-auth-modal-box {
    background: var(--pet-surface);
    border: 1px solid var(--pet-border);
    border-radius: var(--pet-radius);
    padding: 1.5rem;
    width: min(560px, calc(100vw - 2rem));
    box-shadow: var(--pet-shadow);
    text-align: left;
}

.pet-auth-modal-box h2 {
    margin: 0 0 1rem;
    font-size: 1.15rem;
    color: var(--pet-text);
}

.pet-auth-modal-box .field + .field {
    margin-top: 1rem;
}

.pet-auth-modal-box .field label {
    display: block;
    font-size: 0.82rem;
    font-weight: 650;
    margin-bottom: 0.35rem;
    color: var(--pet-text);
}

.pet-auth-modal-box .field input {
    width: 100%;
    box-sizing: border-box;
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--pet-border);
    border-radius: var(--pet-control-radius);
    font-size: 1rem;
}

.pet-auth-modal-box .field input:focus {
    outline: none;
    border-color: var(--pet-journey-active);
    box-shadow: 0 0 0 3px rgba(31, 122, 77, 0.18);
}

.pet-auth-manage-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    justify-content: flex-end;
    margin-top: 1.25rem;
}

.pet-auth-manage-delete-wrap {
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--pet-border);
}

.pet-auth-manage-delete-wrap p {
    font-size: 0.85rem;
    color: var(--pet-muted);
    margin: 0 0 0.75rem;
    line-height: 1.5;
}

.pet-auth-delete-lead {
    color: var(--pet-text);
    font-weight: 650;
}

.pet-auth-manage-error {
    margin-top: 0.75rem;
    font-size: 0.85rem;
    color: var(--pet-danger);
}

@media (max-width: 480px) {
    .pet-auth-wrap {
        padding:
            max(1rem, env(safe-area-inset-top))
            max(0.85rem, env(safe-area-inset-right))
            max(1rem, env(safe-area-inset-bottom))
            max(0.85rem, env(safe-area-inset-left));
    }

    .pet-auth-wrap[data-pet-auth-surface="login"] {
        padding-top: max(0.2rem, env(safe-area-inset-top, 0px));
    }

    .pet-auth-leo {
        height: 8.1rem;
        margin-bottom: 0.75rem;
    }

    .pet-auth-card {
        padding: 1.15rem 1rem 1.05rem;
        max-width: 100%;
    }

    .pet-auth-wrap .otp-code-row {
        gap: 0.28rem;
    }

    .pet-auth-wrap .otp-code-row .auth-field,
    .pet-auth-wrap .otp-digit-input {
        width: auto !important;
        flex: 1 1 0;
        min-width: 0;
        max-width: 2.45rem;
        padding-left: 0.15rem !important;
        padding-right: 0.15rem !important;
    }
}

@media (min-width: 640px) {
    .pet-auth-leo {
        height: 10.4rem;
    }
}

@media (max-width: 360px) {
    .pet-auth-wrap .otp-code-row .auth-field,
    .pet-auth-wrap .otp-digit-input {
        max-width: 2.15rem;
        font-size: 0.95rem;
    }

    .pet-auth-leo {
        height: 7.4rem;
    }
}