/* Natural Healing China — minimal, SEO-friendly, no framework.
   Warm ivory / deep ink green palette per brand rules.
   Responsive: mobile-first, breakpoints at 480px / 640px / 900px. */

:root {
    --ivory: #f7f4ec;
    --ink: #1f3a34;
    --ink-soft: #3d5a53;
    --jade: #5f8b7f;
    --gold: #b98a3e;
    --paper: #fffdf7;
    --line: #e6e0d2;
    --max: 960px;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--ivory);
    color: var(--ink);
    font-family: Georgia, "Times New Roman", serif;
    line-height: 1.6;
}

body { overflow-wrap: break-word; }

img { max-width: 100%; height: auto; }
a { color: var(--ink-soft); }
a:hover { color: var(--gold); }

/* ===================== Public header ===================== */
.brand {
    max-width: var(--max);
    margin: 0 auto;
    padding: 1.25rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    row-gap: .6rem;
    border-bottom: 1px solid var(--line);
}
.logo {
    font-size: clamp(1rem, 3.5vw, 1.15rem);
    letter-spacing: .02em;
    text-decoration: none;
    color: var(--ink);
    font-weight: 700;
}
.nav {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: .35rem 1rem;
    margin-left: auto;
}
.nav a {
    text-decoration: none;
    font-size: .95rem;
    padding: .45rem .1rem; /* taller tap target on touch screens */
}
.nav-search { display: inline-block; }
.nav-search input[type=search] {
    padding: .3rem .6rem;
    border: 1px solid var(--line);
    border-radius: 4px;
    font-family: inherit;
    width: 140px;
    max-width: 100%;
}

@media (max-width: 640px) {
    .brand { flex-direction: column; align-items: flex-start; padding: 1rem .85rem; }
    .nav { margin-left: 0; width: 100%; }
    .nav-search { width: 100%; }
    .nav-search input[type=search] { width: 100%; }
}

/* ===================== Hero / home ===================== */
.hero {
    max-width: var(--max);
    margin: 0 auto;
    padding: clamp(2rem, 6vw, 3.5rem) 1rem 2rem;
}
.hero h1 {
    font-size: clamp(1.7rem, 5.5vw, 2.4rem);
    line-height: 1.2;
    margin: 0 0 .5rem;
}
.lede {
    max-width: 60ch;
    font-size: clamp(1rem, 2.5vw, 1.1rem);
    color: var(--ink-soft);
}
.cta { margin-top: 1.5rem; display: flex; gap: .75rem; flex-wrap: wrap; }

.btn {
    display: inline-block;
    padding: .65rem 1.25rem;
    background: var(--ink);
    color: var(--paper);
    text-decoration: none;
    border-radius: 4px;
    border: 1px solid var(--ink);
    font-family: inherit;
    cursor: pointer;
}
.btn:hover { background: var(--ink-soft); }
.btn.secondary {
    background: transparent;
    color: var(--ink);
}
.btn.secondary:hover { background: rgba(0,0,0,.05); }

.areas, .featured, .featured-articles {
    max-width: var(--max);
    margin: 0 auto;
    padding: 1.5rem 1rem;
}
.areas__list { list-style: none; padding: 0; display: grid; gap: 1rem; }
.areas__list li {
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 1rem;
    background: var(--paper);
}
.areas__list strong { display: block; margin-bottom: .25rem; }
.areas__list span { color: var(--ink-soft); font-size: .95rem; }
@media (min-width: 720px) {
    .areas__list { grid-template-columns: 1fr 1fr; }
}

.book-card {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 1.25rem;
    background: var(--paper);
}
.book-card__cover {
    width: 120px;
    min-height: 160px;
    background: linear-gradient(160deg, var(--ink), var(--jade));
    border-radius: 4px;
    flex-shrink: 0;
}
.book-card__body { flex: 1 1 220px; }
.book-card__body h3 { margin-top: 0; }

footer {
    max-width: var(--max);
    margin: 2rem auto 0;
    padding: 1.5rem 1rem;
    border-top: 1px solid var(--line);
    color: var(--ink-soft);
    font-size: .9rem;
}

/* ===================== Errors / login ===================== */
.error-404, .admin-login {
    max-width: 640px;
    margin: 4rem auto;
    padding: 2rem 1rem;
    text-align: left;
}
.alert {
    background: #fbe9e9;
    border: 1px solid #e6a3a3;
    color: #8a2f2f;
    padding: .6rem .8rem;
    border-radius: 4px;
}

/* ===================== Forms (shared) ===================== */
label { display: block; margin: .9rem 0 .25rem; font-weight: 600; }
input[type=email], input[type=password] {
    width: 100%;
    padding: .6rem;
    border: 1px solid var(--line);
    border-radius: 4px;
    font-family: inherit;
}
fieldset { border: 1px solid var(--line); border-radius: 6px; margin: 1rem 0; padding: .75rem 1rem; min-width: 0; }
label.inline { display: inline-flex; align-items: center; gap: .4rem; font-weight: 400; margin: .3rem 0; }

/* ===================== Admin header ===================== */
.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    row-gap: .6rem;
    max-width: var(--max);
    margin: 0 auto;
    padding: 1rem;
    border-bottom: 1px solid var(--line);
}
.admin-nav { display: flex; gap: .35rem .9rem; flex-wrap: wrap; align-items: center; }
.admin-nav a { text-decoration: none; font-size: .95rem; white-space: nowrap; }
.admin-logout { display: inline-flex; align-items: center; }

@media (max-width: 640px) {
    .admin-header { flex-direction: column; align-items: flex-start; }
    .admin-nav { width: 100%; }
}

/* ===================== Admin dashboard stats ===================== */
.stats {
    max-width: var(--max);
    margin: 0 auto;
    padding: 1.5rem 1rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
}
.stat { border: 1px solid var(--line); border-radius: 6px; padding: 1rem; text-align: center; background: var(--paper); }
.stat span { display: block; font-size: 2rem; color: var(--ink); }
.hint { color: var(--ink-soft); font-size: .9rem; }

/* ===================== Public content pages ===================== */
main > section, .article-full, .book-detail {
    max-width: var(--max);
    margin: 0 auto;
    padding: 1.5rem 1rem;
}
.page-head { padding-bottom: .25rem; }
.page-head h1 { margin: 0 0 .25rem; font-size: clamp(1.55rem, 4.5vw, 2rem); }
.page-head p { color: var(--ink-soft); max-width: 65ch; }

.card-list { display: grid; gap: 1rem; }
.card {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--paper);
    padding: 1.1rem 1.25rem;
}
.card h2, .card h3 { margin: 0 0 .35rem; font-size: 1.25rem; }
.card h2 a, .card h3 a { text-decoration: none; color: var(--ink); }
.card h2 a:hover, .card h3 a:hover { color: var(--gold); }
.meta { color: var(--ink-soft); font-size: .88rem; margin: 0 0 .4rem; }
.meta time { margin-left: .5rem; }
.tag {
    display: inline-block;
    background: rgba(95,139,127,.14);
    border-radius: 999px;
    padding: .05rem .6rem;
    font-size: .82rem;
    text-decoration: none;
}
.summary { color: var(--ink-soft); }
.readmore { text-decoration: none; font-weight: 600; }

.article-full h1 { font-size: clamp(1.55rem, 5vw, 2.1rem); line-height: 1.25; margin: .25rem 0 .5rem; }
.topics { color: var(--ink-soft); font-size: .9rem; }
.article-body { max-width: 70ch; }
.article-body h2 { margin-top: 2rem; font-size: clamp(1.25rem, 3.5vw, 1.5rem); }
.article-body table {
    width: 100%;
    border-collapse: collapse;
    background: var(--paper);
}
/* Wide tables scroll inside their own box instead of breaking narrow viewports. */
.article-body table {
    display: block;
    max-width: 100%;
    overflow-x: auto;
}
.article-body table td, .article-body table th {
    border: 1px solid var(--line);
    padding: .4rem .6rem;
}
.article-body pre, .article-body code { overflow-x: auto; }
.disclaimer {
    margin-top: 2rem;
    padding: .75rem 1rem;
    border-left: 3px solid var(--gold);
    background: var(--paper);
    color: var(--ink-soft);
    font-size: .9rem;
}

.price { font-size: 1.2rem; font-weight: 700; }
.price.big { font-size: 1.5rem; }
.pages { font-weight: 400; color: var(--ink-soft); font-size: .9rem; }
.subtitle { color: var(--ink-soft); font-style: italic; }
.book-detail { display: flex; gap: 1.5rem; align-items: flex-start; flex-wrap: wrap; }
.book-card__cover.large { width: 180px; min-height: 240px; }
@media (max-width: 640px) {
    .book-detail { flex-direction: column; }
    .book-card__cover.large { width: 140px; min-height: 190px; }
}

.pagination { margin: 1.5rem 0; display: flex; gap: .4rem; flex-wrap: wrap; }
.pagination a, .pagination .current {
    display: inline-block;
    padding: .3rem .7rem;
    border: 1px solid var(--line);
    border-radius: 4px;
    text-decoration: none;
    background: var(--paper);
}
.pagination .current { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.empty { color: var(--ink-soft); font-style: italic; }

/* ===================== Checkout ===================== */
.checkout-form { max-width: 480px; }
.checkout-form input[type=email] {
    width: 100%;
    padding: .65rem;
    border: 1px solid var(--line);
    border-radius: 4px;
    font-family: inherit;
}
.checkout-form button { margin-top: 1rem; }
.form-error {
    max-width: var(--max);
    margin: 0 auto 1rem;
    padding: .6rem 1rem;
    background: #fbe9e9;
    border: 1px solid #e6a3a3;
    color: #8a2f2f;
    border-radius: 4px;
}

/* ===================== Admin ===================== */
.admin-page { max-width: var(--max); margin: 0 auto; padding: 1.5rem 1rem; }

/* Tables: horizontal-scroll wrapper so wide tables never break the page. */
.table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border: 1px solid var(--line);
    background: var(--paper);
    border-radius: 4px;
}
.admin-table { width: 100%; min-width: 600px; border-collapse: collapse; border: 0; }
.admin-table th, .admin-table td {
    text-align: left;
    padding: .5rem .7rem;
    border-bottom: 1px solid var(--line);
    vertical-align: top;
}
.admin-table tr:last-child td { border-bottom: 0; }
.admin-table th { background: rgba(95,139,127,.12); }
.actions { display: flex; gap: .4rem; align-items: center; flex-wrap: wrap; }
.actions form { display: inline; }
.btn.small { padding: .25rem .6rem; font-size: .85rem; }
.btn.danger { background: #8a2f2f; border-color: #8a2f2f; color: var(--paper); }
.badge {
    display: inline-block;
    padding: .05rem .55rem;
    border-radius: 999px;
    font-size: .8rem;
    background: rgba(95,139,127,.16);
    white-space: nowrap;
}
.badge.published, .badge.paid { background: rgba(95,139,127,.32); }
.badge.draft, .badge.pending { background: rgba(185,138,62,.22); }
.badge.failed, .badge.refunded, .badge.cancelled { background: rgba(138,47,47,.2); }
.flash {
    max-width: var(--max);
    margin: 0 auto 1rem;
    padding: .6rem 1rem;
    background: rgba(95,139,127,.16);
    border-radius: 4px;
}
.admin-form { max-width: 760px; }
.admin-form input[type=text], .admin-form input[type=email],
.admin-form input[type=number], .admin-form select,
.admin-form textarea {
    width: 100%;
    padding: .5rem .6rem;
    border: 1px solid var(--line);
    border-radius: 4px;
    font-family: inherit;
    font-size: .95rem;
}
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); gap: 0 1rem; }
.topics-box label { display: inline-flex; margin-right: 1rem; }
.quick-links { max-width: var(--max); margin: 0 auto; padding: .5rem 1rem; }

/* Media library grid */
.media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 160px), 1fr));
    gap: 1rem;
    margin: 1rem 0;
}
.media-item {
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--paper);
    padding: .6rem;
    text-align: center;
}
.media-item img {
    width: 100%;
    height: 110px;
    object-fit: cover;
    border-radius: 4px;
    background: var(--ivory);
}
.media-meta {
    font-size: .78rem;
    color: var(--ink-soft);
    word-break: break-all;
    margin: .4rem 0;
}

/* Very narrow phones: tighten spacing */
@media (max-width: 400px) {
    .brand, .hero, .areas, .featured, .featured-articles,
    main > section, .article-full, .book-detail,
    .admin-page, .stats, .quick-links, footer {
        padding-left: .85rem;
        padding-right: .85rem;
    }
    .btn { padding: .55rem 1rem; }
    .book-card { padding: 1rem; }
    .book-card__cover { width: 90px; min-height: 120px; }
}

/* ---- Breadcrumb + topic pages (SEO additions) ---- */
.breadcrumb {
    max-width: var(--max);
    margin: 0 auto;
    padding: .8rem 1rem 0;
    font-size: .82rem;
    color: var(--ink-soft);
}
.breadcrumb a { color: var(--accent, #7a4a2b); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span[aria-current="page"] { font-weight: 600; }
/* Article hero image lives inside the already-centered .article-full;
   keep its bottom spacing without un-centering the homepage hero section. */
.article-full .hero { margin: 0 0 1rem; }
.hero img {
    width: 100%;
    max-width: 720px;
    height: auto;
    border-radius: 8px;
    display: block;
}
.topic-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
    padding: 1rem 1.25rem 2rem;
}
.topic-card {
    background: var(--paper);
    border: 1px solid var(--line, #e4dccb);
    border-radius: 8px;
    padding: 1rem;
    text-decoration: none;
    color: inherit;
    box-shadow: 0 1px 3px rgba(0,0,0,.05);
}
.topic-card:hover { box-shadow: 0 3px 8px rgba(0,0,0,.1); }
.topic-card h2 { font-size: 1.05rem; margin: 0 0 .35rem; }
.topic-card p { margin: 0; font-size: .85rem; color: var(--ink-soft); }