/* ============================================================
 * page.css — layouts shared across the non-catalog public pages
 *
 * Three layout primitives:
 *   .doc       — long-form readable text (about, terms, privacy)
 *   .auth-card — centered narrow card (login, signup)
 *   .book-page — book detail layout (cover col + text col + chapter list)
 *   .account   — sectioned dashboard (profile, library, billing)
 * ============================================================ */

/* ============================================================
 * 01  DOC — long-form readable pages.
 * ============================================================ */
.doc {
    max-width: var(--max-reading);
    margin: 0 auto;
    padding: 5rem 2rem 4rem;
}

.doc-eyebrow {
    font-family: var(--font-ui);
    font-size: 0.7rem;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: var(--ink-faint);
    margin: 0 0 1.5rem;
}
.doc-eyebrow::after {
    content: ' — ';
    color: var(--rule);
}

.doc h1 {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(2.4rem, 5.5vw, 3.6rem);
    line-height: 1.05;
    letter-spacing: -0.02em;
    margin: 0 0 0.4rem;
    font-variation-settings: "opsz" 144;
}
.doc-deck {
    font-family: var(--font-display);
    font-style: italic;
    color: var(--ink-muted);
    font-size: 1.25rem;
    line-height: 1.4;
    margin: 0 0 3rem;
}

.doc h2 {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 1.5rem;
    margin: 3rem 0 0.6rem;
    letter-spacing: -0.01em;
    font-variation-settings: "opsz" 36;
}
.doc h3 {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.1rem;
    margin: 2rem 0 0.4rem;
}

.doc p, .doc li {
    font-size: 1.06rem;
    line-height: 1.65;
}
.doc p { margin: 0 0 1.2em; }
.doc ul, .doc ol { padding-left: 1.4em; margin: 0 0 1.2em; }
.doc li { margin: 0.3em 0; }

.doc blockquote {
    margin: 1.6em 0;
    padding: 0.4em 0 0.4em 1.5em;
    border-left: 2px solid var(--accent);
    font-family: var(--font-display);
    font-style: italic;
    color: var(--ink-muted);
    font-size: 1.15rem;
}
.doc-meta {
    margin-top: 4rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--rule);
    font-family: var(--font-ui);
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-faint);
}


/* ============================================================
 * 02  AUTH CARD — login + signup
 * ============================================================ */
.auth-page {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 1.5rem;
}
.auth-card {
    width: 100%;
    max-width: 28rem;
    background: var(--paper);
    border: 1px solid var(--rule);
    padding: 3rem 2.6rem 2.6rem;
    position: relative;
}
.auth-card::before {
    content: '';
    position: absolute;
    top: 0; left: 50%;
    transform: translate(-50%, -50%);
    background: var(--paper);
    width: 4rem;
    height: 1px;
}

.auth-eyebrow {
    text-align: center;
    font-family: var(--font-ui);
    font-size: 0.68rem;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: var(--ink-faint);
    margin: 0 0 0.8rem;
}

.auth-card h1 {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 2rem;
    text-align: center;
    margin: 0 0 2rem;
    letter-spacing: -0.015em;
    font-variation-settings: "opsz" 36;
}

.field {
    display: block;
    margin-bottom: 1.2rem;
}
.field-label {
    display: block;
    font-family: var(--font-ui);
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink-muted);
    margin-bottom: 0.4rem;
}
.field-input {
    width: 100%;
    padding: 0.65rem 0.8rem;
    font-family: var(--font-body);
    font-size: 1.02rem;
    background: var(--paper-darker);
    color: var(--ink);
    border: 1px solid var(--rule);
    border-radius: 0;
    transition: border-color 180ms ease, background 180ms ease;
}
.field-input:focus {
    outline: none;
    border-color: var(--ink);
    background: var(--paper);
}
.field-help {
    display: block;
    margin-top: 0.35rem;
    font-family: var(--font-ui);
    font-size: 0.7rem;
    color: var(--ink-faint);
}
.field-error {
    display: none;
    margin-top: 0.35rem;
    font-family: var(--font-ui);
    font-size: 0.72rem;
    color: var(--accent);
}
.field--error .field-input { border-color: var(--accent); }
.field--error .field-error { display: block; }

/* Descriptive copy in the auth flow ("we'll send you a link...", "one moment..."). */
.auth-help {
    text-align: center;
    color: var(--ink-muted);
    margin: 0 0 1.4rem;
    font-size: 0.95rem;
}
.auth-card > .auth-help:last-child {
    margin-bottom: 0;
}

.auth-actions {
    margin-top: 1.8rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}
.auth-actions .btn { width: 100%; text-align: center; padding: 0.85rem; }

.auth-alt {
    text-align: center;
    margin-top: 1.6rem;
    font-family: var(--font-display);
    font-style: italic;
    color: var(--ink-muted);
    font-size: 0.95rem;
}
.auth-alt a {
    text-decoration-color: var(--accent);
    color: var(--accent);
}

.auth-error {
    background: #f8e7e1;
    border: 1px solid #e0b0a3;
    color: var(--accent);
    padding: 0.8rem 1rem;
    margin-bottom: 1.2rem;
    font-family: var(--font-ui);
    font-size: 0.85rem;
    display: none;
}
.auth-error[data-shown="true"] { display: block; }


/* ============================================================
 * 03  BOOK DETAIL PAGE
 * ============================================================ */
.book-page {
    max-width: 64rem;
    margin: 0 auto;
    padding: 4rem 2rem 5rem;
}

.book-hero {
    display: grid;
    grid-template-columns: 14rem 1fr;
    gap: 3rem;
    align-items: start;
    margin: 0 0 4rem;
    padding: 0 0 3rem;
    border-bottom: 1px solid var(--rule);
}

.book-cover {
    width: 14rem;
    aspect-ratio: 2 / 3;
    background: var(--paper-darker);
    border: 1px solid var(--rule);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.book-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
/* Fallback "cover" for books without an image */
.book-cover-placeholder {
    padding: 1.4rem;
    text-align: center;
    font-family: var(--font-display);
    font-style: italic;
    color: var(--ink-muted);
    font-size: 1.05rem;
    line-height: 1.3;
}
.book-cover-placeholder::before {
    content: '';
    display: block;
    width: 1.8rem;
    height: 1px;
    background: var(--ink-faint);
    margin: 0 auto 0.8rem;
}

.book-meta-eyebrow {
    font-family: var(--font-ui);
    font-size: 0.7rem;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--ink-faint);
    margin: 0 0 1rem;
}
.book-meta-eyebrow span + span::before {
    content: ' · ';
    color: var(--rule);
    margin: 0 0.3em;
}

.book-title {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(2.4rem, 5.5vw, 3.6rem);
    line-height: 1.02;
    letter-spacing: -0.025em;
    margin: 0 0 0.5rem;
    font-variation-settings: "opsz" 144;
}
.book-subtitle {
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 400;
    color: var(--ink-muted);
    font-size: 1.4rem;
    line-height: 1.3;
    margin: 0 0 1.4rem;
}
.book-byline {
    font-family: var(--font-ui);
    font-size: 0.8rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--ink-muted);
    margin: 0 0 1.6rem;
}
.book-byline em {
    font-style: italic;
    text-transform: none;
    letter-spacing: 0;
    color: var(--ink-faint);
    margin: 0 0.4em;
}

.book-description {
    font-family: var(--font-body);
    font-size: 1.1rem;
    color: var(--ink-muted);
    margin: 0 0 1.8rem;
    line-height: 1.6;
    max-width: 32em;
}

.book-pricing {
    margin: 0 0 1.4rem;
    font-family: var(--font-ui);
}
.book-price-rent {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.6rem;
    color: var(--ink);
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.005em;
    font-variation-settings: "opsz" 36;
}
.book-price-rent .duration {
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 400;
    color: var(--ink-faint);
    font-size: 1rem;
    margin-left: 0.5rem;
}

/* V25 — quiet subscription cross-sell beneath the per-book buy price. */
.book-price-subhint {
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--ink-muted);
    margin: 0.4rem 0 0;
    line-height: 1.5;
}
.book-price-subhint a {
    color: var(--ink);
    text-decoration: underline;
    text-decoration-color: var(--ink-faint);
}
.book-price-subhint a:hover {
    text-decoration-color: var(--ink);
}

.book-actions {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.book-chapters {
    margin: 0;
}
.book-chapters h2 {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 1.7rem;
    margin: 0 0 1.6rem;
    letter-spacing: -0.01em;
    font-variation-settings: "opsz" 36;
}

.chapter-list {
    list-style: none;
    margin: 0;
    padding: 0;
}
.chapter-list li {
    display: grid;
    grid-template-columns: 3rem 1fr auto;
    gap: 1.5rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--rule);
    align-items: baseline;
}
.chapter-list li:first-child { border-top: 1px solid var(--rule); }

.chapter-num {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1.2rem;
    color: var(--ink-faint);
    font-variation-settings: "opsz" 36;
}
.chapter-title {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 1.15rem;
    color: var(--ink);
    text-decoration: none;
}
.chapter-title:hover { color: var(--accent); }
.chapter-list li.locked .chapter-title {
    color: var(--ink-faint);
    cursor: default;
    pointer-events: none;
}
.chapter-status {
    font-family: var(--font-ui);
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--ink-faint);
}
.chapter-status.free { color: var(--accent); }

@media (max-width: 640px) {
    .book-hero {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .book-cover { width: 10rem; aspect-ratio: 2/3; }
    .chapter-list li {
        grid-template-columns: 2rem 1fr;
        row-gap: 0.3rem;
    }
    .chapter-status { grid-column: 2; }
}


/* ============================================================
 * 04  ACCOUNT
 * ============================================================ */
.account {
    max-width: 56rem;
    margin: 0 auto;
    padding: 4rem 2rem 5rem;
}

.account h1 {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 2.4rem;
    margin: 0 0 0.4rem;
    letter-spacing: -0.02em;
    font-variation-settings: "opsz" 36;
}
.account-eyebrow {
    font-family: var(--font-ui);
    font-size: 0.7rem;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--ink-faint);
    margin: 0 0 0.6rem;
}
.account-section {
    margin: 3rem 0 0;
    padding: 1.8rem 0 0;
    border-top: 1px solid var(--rule);
}
.account-section h2 {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 1.5rem;
    margin: 0 0 1rem;
    letter-spacing: -0.01em;
}
.account-row {
    display: grid;
    grid-template-columns: 12rem 1fr;
    gap: 1.5rem;
    padding: 0.7rem 0;
    align-items: baseline;
}
.account-row dt {
    font-family: var(--font-ui);
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink-faint);
    margin: 0;
}
.account-row dd {
    margin: 0;
    font-family: var(--font-body);
    font-size: 1.05rem;
}

.library-empty,
.library-error,
.library-loading {
    font-family: var(--font-display);
    font-style: italic;
    color: var(--ink-faint);
    margin: 1.6rem 0;
}

.library-list {
    list-style: none;
    margin: 1rem 0 0;
    padding: 0;
}
.library-list li {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 1.5rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--rule);
    align-items: baseline;
}
.library-list li:first-child { border-top: 1px solid var(--rule); }
.library-list .lib-title {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 1.2rem;
    color: var(--ink);
    text-decoration: none;
}
.library-list .lib-title:hover { color: var(--accent); }
.library-list .lib-status {
    font-family: var(--font-ui);
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink-faint);
}
.library-list .lib-expires {
    font-family: var(--font-display);
    font-style: italic;
    color: var(--ink-muted);
    font-size: 0.95rem;
}

/* ============================================================
 * Per-book bookmarks panel — sits between the chapter list and
 * the reader on book.html. Hidden when the user has no bookmarks
 * for this book (or is anonymous).
 * ============================================================ */
.book-bookmarks {
    margin: 2rem 0;
    padding: 1.4rem 0;
    border-top: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
}
.book-bookmarks h2 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-style: italic;
    color: var(--ink-muted);
    margin: 0 0 0.8rem;
    font-weight: 500;
}
.book-bookmarks-list {
    list-style: none;
    margin: 0;
    padding: 0;
}
.book-bookmark-item {
    display: flex;
    align-items: baseline;
    gap: 0.6rem;
    padding: 0.4rem 0;
    flex-wrap: wrap;
}
.book-bookmark-link {
    color: var(--ink);
    text-decoration: none;
    font-family: var(--font-body);
}
.book-bookmark-link:hover { color: var(--accent); }
.book-bookmark-pct {
    color: var(--ink-faint);
    font-size: 0.85em;
    margin-left: 0.4em;
}
.book-bookmark-label {
    color: var(--ink-muted);
    font-style: italic;
    font-size: 0.95em;
}
.book-bookmark-delete {
    appearance: none;
    background: transparent;
    border: none;
    color: var(--ink-faint);
    font-size: 1.3rem;
    line-height: 1;
    padding: 0 0.4rem;
    cursor: pointer;
    margin-left: auto;
}
.book-bookmark-delete:hover { color: var(--accent); }