/*
Theme Name: NDB Theme
Theme URI: https://noveldatabase.com
Author: NovelDatabase
Author URI: https://noveldatabase.com
Description: Custom theme for NovelDatabase.com, a book discovery platform. Pairs with NDB Core plugin.
Version: 1.0.0
Requires at least: 6.5
Requires PHP: 8.2
License: GPL v2 or later
Text Domain: ndb-theme
*/

/* ==========================================================================
   DESIGN TOKENS (CSS Custom Properties)
   Spec 3.2 - All design decisions centralized here
   ========================================================================== */

:root {
    /* Colors */
    --ndb-bg: #FAF7F2;
    --ndb-dark: #1A1714;
    --ndb-card: #FFFFFF;
    --ndb-warm: #F5EDE3;
    --ndb-accent: #B44D2D;
    --ndb-accent-light: #D4764E;
    --ndb-gold: #C08B30;
    --ndb-text: #1A1714;
    --ndb-sub: #6B635A;
    --ndb-faint: #9C958D;
    --ndb-border: #E8E2D9;
    --ndb-star: #E8A838;
    --ndb-green: #3A7D44;
    --ndb-blue: #2960A0;

    /* Affiliate button colors */
    --ndb-amazon: #FF9900;
    --ndb-kindle: #1A8FE3;
    --ndb-audible: #F76B1C;
    --ndb-bookshop: #3A7D44;

    /* Verdict colors */
    --ndb-verdict-yes: #3A7D44;
    --ndb-verdict-maybe: #C08B30;
    --ndb-verdict-skip: #B44D2D;

    /* Typography */
    --ndb-font-heading: 'Libre Baskerville', Georgia, serif;
    --ndb-font-body: 'DM Sans', system-ui, sans-serif;

    /* Spacing */
    --ndb-container: 1200px;
    --ndb-gap: 16px;
    --ndb-radius: 10px;
    --ndb-radius-sm: 6px;

    /* Shadows */
    --ndb-shadow-sm: 0 1px 3px rgba(26, 23, 20, 0.06);
    --ndb-shadow: 0 2px 8px rgba(26, 23, 20, 0.08);
    --ndb-shadow-lg: 0 4px 16px rgba(26, 23, 20, 0.12);
}

/* ==========================================================================
   RESET & BASE
   ========================================================================== */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--ndb-font-body);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--ndb-text);
    background-color: var(--ndb-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--ndb-accent);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--ndb-accent-light);
}

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--ndb-font-heading);
    font-weight: 700;
    line-height: 1.3;
    color: var(--ndb-dark);
}

h1 { font-size: 2rem; margin-bottom: 0.75em; }
h2 { font-size: 1.5rem; margin-bottom: 0.6em; margin-top: 1.8em; }
h3 { font-size: 1.25rem; margin-bottom: 0.5em; margin-top: 1.4em; }
h4 { font-size: 1.1rem; margin-bottom: 0.4em; }

p {
    margin-bottom: 1.2em;
}

p:last-child {
    margin-bottom: 0;
}

strong, b {
    font-weight: 600;
}

blockquote {
    border-left: 3px solid var(--ndb-accent);
    padding: 0.8em 1.2em;
    margin: 1.5em 0;
    background: var(--ndb-warm);
    border-radius: 0 var(--ndb-radius-sm) var(--ndb-radius-sm) 0;
    font-style: italic;
    color: var(--ndb-sub);
}

/* ==========================================================================
   LAYOUT
   ========================================================================== */

.ndb-container {
    max-width: var(--ndb-container);
    margin: 0 auto;
    padding: 0 var(--ndb-gap);
}

.ndb-content-wrap {
    display: grid;
    grid-template-columns: 1fr;
    gap: calc(var(--ndb-gap) * 2);
    padding: calc(var(--ndb-gap) * 2) 0;
}

@media (min-width: 1024px) {
    .ndb-content-wrap.has-sidebar {
        grid-template-columns: 1fr 320px;
    }
}

.ndb-main {
    min-width: 0;
}

.ndb-sidebar {
    display: none;
}

@media (min-width: 1024px) {
    .ndb-sidebar {
        display: block;
    }
}

/* Section spacing */
.ndb-section {
    margin-bottom: calc(var(--ndb-gap) * 3);
}

.ndb-section-title {
    font-family: var(--ndb-font-heading);
    font-size: 1.4rem;
    margin-bottom: 1em;
    padding-bottom: 0.5em;
    border-bottom: 2px solid var(--ndb-border);
}

/* ==========================================================================
   HEADER
   ========================================================================== */

.ndb-header {
    background: var(--ndb-dark);
    color: #fff;
    position: sticky;
    top: 0;
    z-index: 100;
}

/* Top bar */
.ndb-topbar {
    background: rgba(0, 0, 0, 0.2);
    font-size: 0.8rem;
    padding: 4px 0;
    color: var(--ndb-faint);
}

.ndb-topbar .ndb-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ndb-topbar a {
    color: var(--ndb-faint);
    font-size: 0.75rem;
}

.ndb-topbar a:hover {
    color: #fff;
}

.ndb-topbar-links {
    display: flex;
    gap: 12px;
}

/* Main header bar */
.ndb-header-main {
    padding: 12px 0;
}

.ndb-header-main .ndb-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--ndb-gap);
}

.ndb-logo a {
    color: #fff;
    font-family: var(--ndb-font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.ndb-logo a:hover {
    color: var(--ndb-gold);
}

/* Desktop nav */
.ndb-nav-desktop {
    display: none;
}

@media (min-width: 768px) {
    .ndb-nav-desktop {
        display: flex;
        gap: 4px;
    }
}

.ndb-nav-desktop a {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: var(--ndb-radius-sm);
    transition: background 0.2s, color 0.2s;
}

.ndb-nav-desktop a:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

/* Header search */
.ndb-header-search {
    display: flex;
    align-items: center;
    gap: 8px;
}

.ndb-search-toggle {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.85);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 6px;
}

.ndb-search-form {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--ndb-dark);
    padding: 12px var(--ndb-gap);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.ndb-search-form.is-open {
    display: block;
}

.ndb-search-form input[type="search"] {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    display: block;
    padding: 10px 16px;
    border: none;
    border-radius: var(--ndb-radius);
    font-family: var(--ndb-font-body);
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.95);
    color: var(--ndb-dark);
}

/* Hamburger */
.ndb-hamburger {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}

@media (min-width: 768px) {
    .ndb-hamburger {
        display: none;
    }
}

.ndb-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: #fff;
    border-radius: 1px;
    transition: transform 0.3s, opacity 0.3s;
}

/* Mobile menu */
.ndb-mobile-menu {
    display: none;
    background: var(--ndb-dark);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 12px 0;
}

.ndb-mobile-menu.is-open {
    display: block;
}

.ndb-mobile-menu a {
    display: block;
    color: rgba(255, 255, 255, 0.9);
    padding: 10px var(--ndb-gap);
    font-size: 1rem;
    font-weight: 500;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.ndb-mobile-menu a:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--ndb-gold);
}

/* Genre bar */
.ndb-genre-bar {
    background: var(--ndb-warm);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.ndb-genre-bar::-webkit-scrollbar {
    display: none;
}

.ndb-genre-bar .ndb-container {
    display: flex;
    gap: 8px;
    padding-top: 8px;
    padding-bottom: 8px;
    white-space: nowrap;
}

.ndb-genre-chip {
    display: inline-block;
    padding: 5px 14px;
    background: var(--ndb-card);
    border: 1px solid var(--ndb-border);
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--ndb-sub);
    transition: all 0.2s;
    flex-shrink: 0;
}

.ndb-genre-chip:hover {
    background: var(--ndb-accent);
    border-color: var(--ndb-accent);
    color: #fff;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.ndb-footer {
    background: var(--ndb-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: calc(var(--ndb-gap) * 3) 0 0;
    margin-top: calc(var(--ndb-gap) * 3);
}

.ndb-footer a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.88rem;
}

.ndb-footer a:hover {
    color: var(--ndb-gold);
}

.ndb-footer-top {
    margin-bottom: calc(var(--ndb-gap) * 2);
}

.ndb-footer-logo {
    font-family: var(--ndb-font-heading);
    font-size: 1.3rem;
    color: #fff;
    font-weight: 700;
    margin-bottom: 6px;
}

.ndb-footer-tagline {
    font-size: 0.88rem;
    color: var(--ndb-faint);
}

/* Footer link sections grid */
.ndb-footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: calc(var(--ndb-gap) * 2) var(--ndb-gap);
    margin-bottom: calc(var(--ndb-gap) * 2);
}

@media (min-width: 768px) {
    .ndb-footer-links {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .ndb-footer-links {
        grid-template-columns: repeat(6, 1fr);
    }
}

.ndb-footer-section h4 {
    color: #fff;
    font-family: var(--ndb-font-body);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
}

.ndb-footer-section ul {
    list-style: none;
}

.ndb-footer-section li {
    margin-bottom: 6px;
}

/* Utility links row */
.ndb-footer-utility {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 20px;
    padding: var(--ndb-gap) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.8rem;
}

/* Disclosure */
.ndb-footer-disclosure {
    padding: var(--ndb-gap) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.78rem;
    color: var(--ndb-faint);
    line-height: 1.5;
}

/* Copyright */
.ndb-footer-copyright {
    padding: var(--ndb-gap) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.78rem;
    color: var(--ndb-faint);
    text-align: center;
}

/* ==========================================================================
   CARDS
   ========================================================================== */

/* Book card (grid item) */
.ndb-book-card {
    display: block;
    background: var(--ndb-card);
    border-radius: var(--ndb-radius);
    overflow: hidden;
    box-shadow: var(--ndb-shadow-sm);
    transition: box-shadow 0.25s, transform 0.25s;
    color: var(--ndb-text);
    text-decoration: none;
}

.ndb-book-card:hover {
    box-shadow: var(--ndb-shadow-lg);
    transform: translateY(-2px);
    color: var(--ndb-text);
}

.ndb-book-cover {
    width: 100%;
    aspect-ratio: 2 / 3;
    object-fit: cover;
    background: var(--ndb-warm);
}

.ndb-book-card-body {
    padding: 12px;
}

.ndb-book-card-title {
    display: block;
    font-family: var(--ndb-font-heading);
    font-size: 0.95rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 4px;
    color: var(--ndb-dark);
}

.ndb-book-card-author {
    font-size: 0.82rem;
    color: var(--ndb-sub);
    margin-bottom: 6px;
}

.ndb-book-card-rating {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--ndb-star);
}

.ndb-book-card-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--ndb-faint);
}

/* Book card mini (sidebar/compact) */
.ndb-book-card-mini {
    display: flex;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--ndb-border);
    color: var(--ndb-text);
    text-decoration: none;
}

.ndb-book-card-mini:last-child {
    border-bottom: none;
}

.ndb-book-card-mini img {
    width: 50px;
    height: 75px;
    object-fit: cover;
    border-radius: 4px;
    flex-shrink: 0;
}

.ndb-book-card-mini-info {
    min-width: 0;
}

.ndb-book-card-mini-info .ndb-book-card-title {
    font-size: 0.88rem;
}

/* Books grid */
.ndb-books-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--ndb-gap);
}

@media (min-width: 640px) {
    .ndb-books-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .ndb-books-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* News card */
.ndb-news-card {
    display: block;
    background: var(--ndb-card);
    border-radius: var(--ndb-radius);
    overflow: hidden;
    box-shadow: var(--ndb-shadow-sm);
    transition: box-shadow 0.25s;
    color: var(--ndb-text);
}

.ndb-news-card:hover {
    box-shadow: var(--ndb-shadow);
    color: var(--ndb-text);
}

.ndb-news-card img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.ndb-news-card-body {
    padding: 14px;
}

.ndb-news-card-title {
    font-family: var(--ndb-font-heading);
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 6px;
}

.ndb-news-card-date {
    font-size: 0.78rem;
    color: var(--ndb-faint);
}

/* ==========================================================================
   BUY BUTTONS
   ========================================================================== */

.ndb-buy-buttons {
    margin: 1.5em 0;
}

.ndb-buy-label {
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 10px;
    color: var(--ndb-sub);
}

.ndb-buy-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.ndb-buy-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border-radius: var(--ndb-radius-sm);
    font-family: var(--ndb-font-body);
    font-size: 0.88rem;
    font-weight: 600;
    color: #fff;
    text-decoration: none;
    transition: opacity 0.2s, transform 0.15s;
    min-width: 120px;
    text-align: center;
}

.ndb-buy-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    color: #fff;
}

.ndb-btn-amazon  { background: var(--ndb-amazon); color: var(--ndb-dark); }
.ndb-btn-kindle  { background: var(--ndb-kindle); }
.ndb-btn-audible { background: var(--ndb-audible); }
.ndb-btn-bookshop { background: var(--ndb-bookshop); }

.ndb-btn-amazon:hover { color: var(--ndb-dark); }

.ndb-disclosure {
    font-size: 0.75rem;
    color: var(--ndb-faint);
    margin-top: 8px;
    font-style: italic;
}

/* ==========================================================================
   SCORECARD
   ========================================================================== */

.ndb-scorecard {
    background: var(--ndb-card);
    border: 2px solid var(--ndb-border);
    border-radius: var(--ndb-radius);
    padding: calc(var(--ndb-gap) * 1.5);
    margin: 1.5em 0;
    box-shadow: var(--ndb-shadow-sm);
}

.ndb-scorecard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1em;
    padding-bottom: 0.8em;
    border-bottom: 1px solid var(--ndb-border);
}

.ndb-scorecard-header h3 {
    font-size: 1.2rem;
    margin: 0;
}

.ndb-verdict-badge {
    display: inline-block;
    padding: 4px 16px;
    border-radius: 20px;
    font-family: var(--ndb-font-body);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #fff;
}

.ndb-verdict-yes   { background: var(--ndb-verdict-yes); }
.ndb-verdict-maybe { background: var(--ndb-verdict-maybe); }
.ndb-verdict-skip  { background: var(--ndb-verdict-skip); }

.ndb-scorecard-verdict {
    margin-bottom: 1em;
    font-size: 1.02rem;
    line-height: 1.6;
}

.ndb-scorecard-details {
    display: grid;
    gap: 0;
}

.ndb-scorecard-row {
    display: flex;
    padding: 10px 0;
    border-bottom: 1px solid var(--ndb-border);
    gap: 12px;
}

.ndb-scorecard-row:last-child {
    border-bottom: none;
}

.ndb-scorecard-label {
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--ndb-sub);
    min-width: 90px;
    flex-shrink: 0;
}

.ndb-scorecard-value {
    font-size: 0.92rem;
    color: var(--ndb-text);
}

/* Verdict tag (small, for cards) */
.ndb-verdict-tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    color: #fff;
}

.ndb-verdict-tag.ndb-verdict-yes   { background: var(--ndb-verdict-yes); }
.ndb-verdict-tag.ndb-verdict-maybe { background: var(--ndb-verdict-maybe); }
.ndb-verdict-tag.ndb-verdict-skip  { background: var(--ndb-verdict-skip); }

/* ==========================================================================
   BOOK INFO BOX
   ========================================================================== */

.ndb-book-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
    background: var(--ndb-warm);
    border-radius: var(--ndb-radius);
    padding: 4px;
    margin: 1.2em 0;
}

@media (min-width: 640px) {
    .ndb-book-info {
        grid-template-columns: repeat(3, 1fr);
    }
}

.ndb-info-item {
    padding: 10px 14px;
    text-align: center;
}

.ndb-info-label {
    display: block;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--ndb-faint);
    margin-bottom: 2px;
}

.ndb-info-label a {
    color: var(--ndb-faint);
    text-decoration: underline;
    text-decoration-style: dotted;
}

.ndb-info-value {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--ndb-dark);
}

.ndb-rating-badge {
    color: var(--ndb-star);
}

/* ==========================================================================
   BREADCRUMB
   ========================================================================== */

.ndb-breadcrumb {
    font-size: 0.82rem;
    color: var(--ndb-faint);
    padding: var(--ndb-gap) 0;
}

.ndb-breadcrumb a {
    color: var(--ndb-sub);
}

.ndb-breadcrumb a:hover {
    color: var(--ndb-accent);
}

.ndb-breadcrumb-sep {
    margin: 0 6px;
    color: var(--ndb-border);
}

/* ==========================================================================
   AUTHOR BOX (on book pages)
   ========================================================================== */

.ndb-author-box {
    display: flex;
    gap: var(--ndb-gap);
    background: var(--ndb-warm);
    border-radius: var(--ndb-radius);
    padding: calc(var(--ndb-gap) * 1.5);
    margin: 1.5em 0;
}

.ndb-author-box-photo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.ndb-author-box-info {
    min-width: 0;
}

.ndb-author-box-name {
    font-family: var(--ndb-font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.ndb-author-box-meta {
    font-size: 0.85rem;
    color: var(--ndb-sub);
    margin-bottom: 8px;
}

.ndb-author-box-link {
    font-size: 0.88rem;
    font-weight: 600;
}

/* ==========================================================================
   STAR RATING
   ========================================================================== */

.ndb-stars {
    display: inline-flex;
    gap: 2px;
    color: var(--ndb-star);
    font-size: 1rem;
}

.ndb-star-empty {
    color: var(--ndb-border);
}

/* ==========================================================================
   FAQ SECTION
   ========================================================================== */

.ndb-faq {
    margin: 2em 0;
}

.ndb-faq-item {
    border-bottom: 1px solid var(--ndb-border);
    padding: 1em 0;
}

.ndb-faq-item:last-child {
    border-bottom: none;
}

.ndb-faq-question {
    font-family: var(--ndb-font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.5em;
    color: var(--ndb-dark);
}

.ndb-faq-answer {
    font-size: 0.95rem;
    color: var(--ndb-sub);
    line-height: 1.65;
}

/* ==========================================================================
   AD SLOTS
   ========================================================================== */

.ndb-ad-slot {
    margin: calc(var(--ndb-gap) * 2) 0;
    text-align: center;
    min-height: 90px;
}

/* ==========================================================================
   LIST ITEMS (Best Of / Books Like)
   ========================================================================== */

.ndb-list-item {
    display: flex;
    gap: var(--ndb-gap);
    padding: calc(var(--ndb-gap) * 1.5) 0;
    border-bottom: 1px solid var(--ndb-border);
}

.ndb-list-item:last-child {
    border-bottom: none;
}

.ndb-list-rank {
    font-family: var(--ndb-font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--ndb-border);
    min-width: 40px;
    text-align: center;
    flex-shrink: 0;
    line-height: 1;
    padding-top: 4px;
}

.ndb-list-item-content {
    min-width: 0;
    flex: 1;
}

.ndb-list-item-cover {
    width: 80px;
    height: 120px;
    object-fit: cover;
    border-radius: var(--ndb-radius-sm);
    flex-shrink: 0;
}

/* ==========================================================================
   NEWSLETTER CTA
   ========================================================================== */

.ndb-newsletter {
    background: var(--ndb-dark);
    color: #fff;
    border-radius: var(--ndb-radius);
    padding: calc(var(--ndb-gap) * 2);
    text-align: center;
    margin: calc(var(--ndb-gap) * 2) 0;
}

.ndb-newsletter h3 {
    color: #fff;
    font-size: 1.3rem;
    margin-bottom: 0.4em;
}

.ndb-newsletter p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1em;
}

.ndb-newsletter-form {
    display: flex;
    gap: 8px;
    max-width: 440px;
    margin: 0 auto;
}

.ndb-newsletter-form input[type="email"] {
    flex: 1;
    padding: 10px 14px;
    border: none;
    border-radius: var(--ndb-radius-sm);
    font-family: var(--ndb-font-body);
    font-size: 0.95rem;
}

.ndb-newsletter-form button {
    padding: 10px 20px;
    background: var(--ndb-accent);
    color: #fff;
    border: none;
    border-radius: var(--ndb-radius-sm);
    font-family: var(--ndb-font-body);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: background 0.2s;
}

.ndb-newsletter-form button:hover {
    background: var(--ndb-accent-light);
}

/* ==========================================================================
   HOMEPAGE SPECIFIC
   ========================================================================== */

.ndb-hero {
    background: var(--ndb-dark);
    color: #fff;
    padding: calc(var(--ndb-gap) * 3) 0;
    text-align: center;
}

.ndb-hero h1 {
    color: #fff;
    font-size: 2.2rem;
    margin-bottom: 0.3em;
}

@media (min-width: 768px) {
    .ndb-hero h1 {
        font-size: 2.8rem;
    }
}

.ndb-hero-tagline {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.2em;
}

.ndb-hero-stats {
    display: flex;
    justify-content: center;
    gap: calc(var(--ndb-gap) * 2);
    flex-wrap: wrap;
}

.ndb-hero-stat {
    text-align: center;
}

.ndb-hero-stat-number {
    font-family: var(--ndb-font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--ndb-gold);
}

.ndb-hero-stat-label {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.6);
}

/* Tag links (browse by genre/country) */
.ndb-tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.ndb-tag-link {
    display: inline-block;
    padding: 6px 14px;
    background: var(--ndb-warm);
    border: 1px solid var(--ndb-border);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--ndb-sub);
    transition: all 0.2s;
}

.ndb-tag-link:hover {
    background: var(--ndb-accent);
    border-color: var(--ndb-accent);
    color: #fff;
}

/* Curated lists grid */
.ndb-lists-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--ndb-gap);
}

@media (min-width: 768px) {
    .ndb-lists-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ==========================================================================
   SINGLE BOOK PAGE
   ========================================================================== */

.ndb-book-header {
    display: flex;
    gap: calc(var(--ndb-gap) * 1.5);
    margin-bottom: calc(var(--ndb-gap) * 1.5);
}

.ndb-book-header-cover {
    width: 160px;
    flex-shrink: 0;
}

@media (min-width: 768px) {
    .ndb-book-header-cover {
        width: 200px;
    }
}

.ndb-book-header-cover img {
    width: 100%;
    border-radius: var(--ndb-radius);
    box-shadow: var(--ndb-shadow);
}

.ndb-book-header-info {
    min-width: 0;
}

.ndb-book-header-info h1 {
    font-size: 1.5rem;
    margin-bottom: 0.2em;
}

@media (min-width: 768px) {
    .ndb-book-header-info h1 {
        font-size: 1.8rem;
    }
}

.ndb-book-author-link {
    font-size: 1.05rem;
    color: var(--ndb-sub);
    margin-bottom: 10px;
    display: block;
}

.ndb-book-author-link a {
    color: var(--ndb-accent);
    font-weight: 500;
}

.ndb-book-ratings {
    display: flex;
    gap: 16px;
    align-items: center;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.ndb-book-rating-item {
    font-size: 0.88rem;
    color: var(--ndb-sub);
}

.ndb-book-rating-item strong {
    color: var(--ndb-star);
    font-size: 1.05rem;
}

.ndb-book-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 10px;
}

.ndb-book-tag {
    padding: 3px 10px;
    background: var(--ndb-warm);
    border-radius: 12px;
    font-size: 0.78rem;
    color: var(--ndb-sub);
}

.ndb-book-tag:hover {
    background: var(--ndb-accent);
    color: #fff;
}

/* ==========================================================================
   SINGLE AUTHOR PAGE
   ========================================================================== */

.ndb-author-header {
    display: flex;
    gap: calc(var(--ndb-gap) * 1.5);
    margin-bottom: calc(var(--ndb-gap) * 1.5);
}

.ndb-author-header-photo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    box-shadow: var(--ndb-shadow);
}

.ndb-author-header-info h1 {
    font-size: 1.6rem;
    margin-bottom: 0.2em;
}

.ndb-author-meta-row {
    font-size: 0.92rem;
    color: var(--ndb-sub);
    margin-bottom: 4px;
}

.ndb-author-start-box {
    background: var(--ndb-warm);
    border-radius: var(--ndb-radius);
    padding: calc(var(--ndb-gap) * 1.5);
    margin: 1.5em 0;
    border-left: 4px solid var(--ndb-accent);
}

.ndb-author-start-box h3 {
    font-size: 1.1rem;
    margin-bottom: 0.4em;
    margin-top: 0;
}

/* ==========================================================================
   ARCHIVE PAGES
   ========================================================================== */

.ndb-archive-header {
    padding: calc(var(--ndb-gap) * 2) 0;
    border-bottom: 2px solid var(--ndb-border);
    margin-bottom: calc(var(--ndb-gap) * 2);
}

.ndb-archive-header h1 {
    margin-bottom: 0.2em;
}

.ndb-archive-description {
    font-size: 1rem;
    color: var(--ndb-sub);
    max-width: 640px;
}

/* Pagination */
.ndb-pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    padding: calc(var(--ndb-gap) * 2) 0;
}

.ndb-pagination a,
.ndb-pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    height: 38px;
    padding: 0 10px;
    border-radius: var(--ndb-radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
}

.ndb-pagination a {
    background: var(--ndb-card);
    border: 1px solid var(--ndb-border);
    color: var(--ndb-text);
}

.ndb-pagination a:hover {
    background: var(--ndb-accent);
    border-color: var(--ndb-accent);
    color: #fff;
}

.ndb-pagination .current {
    background: var(--ndb-accent);
    color: #fff;
    border: 1px solid var(--ndb-accent);
}

/* ==========================================================================
   SEARCH PAGE
   ========================================================================== */

.ndb-search-header {
    padding: calc(var(--ndb-gap) * 2) 0;
    border-bottom: 2px solid var(--ndb-border);
    margin-bottom: calc(var(--ndb-gap) * 2);
}

.ndb-search-header h1 {
    margin-bottom: 0.4em;
}

.ndb-search-form-inline {
    max-width: 500px;
}

.ndb-search-form-inline input[type="search"] {
    width: 100%;
    padding: 10px 16px;
    border: 2px solid var(--ndb-border);
    border-radius: var(--ndb-radius);
    font-family: var(--ndb-font-body);
    font-size: 1rem;
    transition: border-color 0.2s;
}

.ndb-search-form-inline input[type="search"]:focus {
    outline: none;
    border-color: var(--ndb-accent);
}

/* ==========================================================================
   404 PAGE
   ========================================================================== */

.ndb-404 {
    text-align: center;
    padding: calc(var(--ndb-gap) * 4) 0 calc(var(--ndb-gap) * 2);
}

.ndb-404 h1 {
    font-size: 2.5rem;
    color: var(--ndb-faint);
}

.ndb-404 p {
    font-size: 1.1rem;
    color: var(--ndb-sub);
    margin-bottom: 1.5em;
}

/* ==========================================================================
   BLOG POST CONTENT
   ========================================================================== */

.ndb-post-header {
    margin-bottom: calc(var(--ndb-gap) * 1.5);
}

.ndb-post-header h1 {
    margin-bottom: 0.3em;
}

.ndb-post-meta {
    font-size: 0.85rem;
    color: var(--ndb-faint);
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.ndb-post-content {
    font-size: 1.02rem;
    line-height: 1.75;
}

.ndb-post-content h2 {
    margin-top: 2em;
}

.ndb-post-content h3 {
    margin-top: 1.6em;
}

.ndb-post-content a {
    text-decoration: underline;
    text-decoration-color: var(--ndb-accent-light);
    text-underline-offset: 2px;
}

/* ==========================================================================
   HORIZONTAL SCROLL (similar books / "If You Liked This")
   ========================================================================== */

.ndb-hscroll {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 8px;
}

.ndb-hscroll::-webkit-scrollbar {
    display: none;
}

.ndb-hscroll .ndb-book-card {
    min-width: 140px;
    max-width: 160px;
    flex-shrink: 0;
}

/* ==========================================================================
   UTILITY
   ========================================================================== */

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ==========================================================================
   PRINT
   ========================================================================== */

@media print {
    .ndb-header,
    .ndb-footer,
    .ndb-genre-bar,
    .ndb-ad-slot,
    .ndb-buy-buttons,
    .ndb-newsletter {
        display: none;
    }

    body {
        background: #fff;
        color: #000;
        font-size: 12pt;
    }
}