/*
Theme Name: Chemi101 Blog
Theme URI: https://chemi101.com/blog
Description: Child theme ของ Twenty Twenty-Five ปรับหน้าตาให้ตรงกับหน้าร้านคลังสูตร chemi101.com (ชมพู #be185d + ขาวนวล, Prompt/Sarabun) เป็น child theme เพื่อให้ธีมแม่อัปเดตได้โดยไม่ทับงานเรา
Author: Chemi101
Template: twentytwentyfive
Version: 1.0.0
Text Domain: chemi101-blog
*/

/* โทนสีชุดเดียวกับ dstore-web/src/styles.css — ถ้าแก้ที่หน้าร้านต้องแก้ที่นี่ด้วย */
:root {
    --ch-brand: #be185d;
    --ch-brand-dark: #9d174d;
    --ch-brand-soft: #fce7f3;
    --ch-grad: linear-gradient(135deg, #be185d 0%, #db2777 55%, #ec4899 100%);
    --ch-ink: #1f2937;
    --ch-ink-2: #374151;
    --ch-muted: #6b7280;
    --ch-line: #f1e5ea;
    --ch-line-2: #e8d5de;
    --ch-bg: #fbf7f8;
    --ch-white: #fff;
    --ch-shadow-sm: 0 1px 3px rgba(190, 24, 93, .08), 0 4px 16px rgba(31, 41, 55, .06);
    --ch-shadow-md: 0 10px 30px rgba(31, 41, 55, .10);
    --ch-shadow-brand: 0 12px 30px rgba(190, 24, 93, .28);
    --ch-radius: 16px;
    --ch-radius-sm: 12px;
    --ch-maxw: 1200px;
    --ch-head: "Prompt", "Sarabun", system-ui, sans-serif;
    --ch-body: "Sarabun", "Prompt", system-ui, sans-serif;
}

body {
    font-family: var(--ch-body);
    color: var(--ch-ink);
    background: var(--ch-white);
    line-height: 1.75;
}

h1, h2, h3, h4, h5,
.wp-block-heading {
    font-family: var(--ch-head);
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: -.01em;
}

/* ── Header ─────────────────────────────────────────────────────────────── */

.ch-nav-wrap {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, .9);
    backdrop-filter: saturate(160%) blur(12px);
    -webkit-backdrop-filter: saturate(160%) blur(12px);
    border-bottom: 1px solid var(--ch-line);
}

.ch-nav {
    max-width: var(--ch-maxw);
    margin: 0 auto;
    padding: 12px 24px;
    display: flex;
    align-items: center;
    gap: 24px;
}

.ch-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--ch-head);
    font-weight: 700;
    font-size: 17px;
    letter-spacing: .02em;
    color: var(--ch-ink);
    text-decoration: none;
    flex: none;
}

.ch-brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: var(--ch-grad);
    color: #fff;
    font-size: 18px;
}

.ch-nav-links {
    display: flex;
    align-items: center;
    gap: 22px;
    margin-left: auto;
}

.ch-nav-links a {
    font-family: var(--ch-head);
    font-size: 14.5px;
    font-weight: 500;
    color: var(--ch-ink-2);
    text-decoration: none;
    padding: 6px 0;
    border-bottom: 2px solid transparent;
    transition: color .18s, border-color .18s;
    white-space: nowrap;
}

.ch-nav-links a:hover {
    color: var(--ch-brand);
}

.ch-nav-links a.is-active {
    color: var(--ch-brand);
    border-bottom-color: var(--ch-brand);
}

.ch-cta {
    flex: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--ch-grad);
    color: #fff !important;
    font-family: var(--ch-head);
    font-weight: 600;
    font-size: 14.5px;
    padding: 10px 20px;
    border-radius: 999px;
    text-decoration: none;
    box-shadow: var(--ch-shadow-brand);
    transition: transform .18s, box-shadow .18s;
    white-space: nowrap;
}

.ch-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 38px rgba(190, 24, 93, .36);
}

/* มือถือ: ซ่อนลิงก์กลางไว้ เหลือโลโก้ + ปุ่ม CTA เพื่อไม่ให้แถบล้น */
@media (max-width: 860px) {
    .ch-nav-links { display: none; }
    .ch-nav { padding: 10px 16px; gap: 12px; }
    .ch-cta { margin-left: auto; padding: 9px 16px; font-size: 13.5px; }
}

/* ── หัวหน้ารายการบทความ ─────────────────────────────────────────────────── */

.ch-main {
    padding-bottom: 72px;
}

.ch-page-head {
    padding: 56px 0 36px;
    text-align: center;
}

.ch-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--ch-head);
    font-weight: 600;
    font-size: 13px;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--ch-brand);
    margin-bottom: 10px;
}

.ch-eyebrow::before {
    content: "";
    width: 26px;
    height: 2px;
    background: var(--ch-grad);
    border-radius: 2px;
}

.ch-page-title {
    font-size: clamp(30px, 4.4vw, 46px);
    margin: 0 0 14px;
}

.ch-page-sub {
    color: var(--ch-muted);
    font-size: 16.5px;
    max-width: 620px;
    margin: 0 auto;
}

/* ── การ์ดบทความ ────────────────────────────────────────────────────────── */

.ch-grid {
    gap: 30px !important;
}

.ch-card {
    background: var(--ch-white);
    border: 1px solid var(--ch-line);
    border-radius: var(--ch-radius);
    overflow: hidden;
    box-shadow: var(--ch-shadow-sm);
    transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.ch-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--ch-shadow-md);
    border-color: var(--ch-line-2);
}

.ch-card-media {
    margin: 0;
    overflow: hidden;
    background: var(--ch-bg);
}

.ch-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}

.ch-card:hover .ch-card-media img {
    transform: scale(1.045);
}

.ch-card-body {
    padding: 22px 24px 24px !important;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}

.ch-card-cat a,
.ch-article-head .ch-card-cat a {
    font-family: var(--ch-head);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--ch-brand);
    text-decoration: none;
}

.ch-card-cat a:hover {
    text-decoration: underline;
}

.ch-card-title {
    margin: 0;
    font-size: 21px;
    line-height: 1.35;
}

.ch-card-title a {
    color: var(--ch-ink);
    text-decoration: none;
    transition: color .18s;
}

.ch-card-title a:hover {
    color: var(--ch-brand);
}

.ch-card-excerpt {
    color: var(--ch-muted);
    font-size: 15px;
    line-height: 1.7;
    margin: 0;
}

.ch-card-excerpt .wp-block-post-excerpt__more-link {
    display: inline-block;
    margin-top: 8px;
    font-family: var(--ch-head);
    font-weight: 600;
    font-size: 14px;
    color: var(--ch-brand);
    text-decoration: none;
}

.ch-card-excerpt .wp-block-post-excerpt__more-link:hover {
    text-decoration: underline;
}

.ch-card-date {
    margin: 4px 0 0;
    font-size: 13px;
    color: #8b93a5;
    border-top: 1px solid var(--ch-line);
    padding-top: 14px;
    margin-top: auto;
}

/* ── Pagination ─────────────────────────────────────────────────────────── */

.ch-pagination {
    margin-top: 48px !important;
    gap: 8px;
}

.ch-pagination a,
.ch-pagination span {
    font-family: var(--ch-head);
    font-size: 14px;
    font-weight: 500;
    color: var(--ch-ink-2);
    text-decoration: none;
    padding: 8px 14px;
    border: 1px solid var(--ch-line);
    border-radius: 999px;
    transition: all .18s;
}

.ch-pagination a:hover {
    border-color: var(--ch-brand);
    color: var(--ch-brand);
}

.ch-pagination .current {
    background: var(--ch-grad);
    border-color: transparent;
    color: #fff;
}

/* ── หน้าบทความ ─────────────────────────────────────────────────────────── */

.ch-article-head {
    padding: 52px 0 22px;
    text-align: center;
}

.ch-article-title {
    font-size: clamp(28px, 3.8vw, 42px);
    margin: 10px 0 16px;
    max-width: 860px;
    margin-inline: auto;
}

.ch-article-meta {
    justify-content: center;
    gap: 10px;
    color: var(--ch-muted);
    font-size: 14px;
}

.ch-hero-img {
    margin: 8px auto 42px !important;
}

.ch-hero-img img {
    width: 100%;
    border-radius: var(--ch-radius);
    box-shadow: var(--ch-shadow-md);
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

/* เนื้อบทความ — คุมความกว้างบรรทัดให้อ่านสบาย ไม่ให้ลากยาวเต็มจอ */
.ch-content {
    font-size: 17px;
    line-height: 1.85;
    color: var(--ch-ink-2);
}

.ch-content > * {
    max-width: 760px;
    margin-inline: auto;
}

.ch-content p {
    margin: 0 0 20px;
}

.ch-content h2 {
    font-size: 27px;
    margin: 44px 0 16px;
    padding-top: 8px;
    color: var(--ch-ink);
    position: relative;
}

.ch-content h2::before {
    content: "";
    display: block;
    width: 42px;
    height: 3px;
    background: var(--ch-grad);
    border-radius: 3px;
    margin-bottom: 14px;
}

.ch-content h3 {
    font-size: 20px;
    margin: 30px 0 12px;
    color: var(--ch-ink);
}

.ch-content ul,
.ch-content ol {
    margin: 0 auto 22px;
    padding-left: 22px;
}

.ch-content li {
    margin-bottom: 9px;
}

.ch-content li::marker {
    color: var(--ch-brand);
}

.ch-content strong {
    color: var(--ch-ink);
    font-weight: 600;
}

.ch-content a {
    color: var(--ch-brand);
    text-decoration: underline;
    text-underline-offset: 3px;
    font-weight: 500;
}

.ch-content a:hover {
    color: var(--ch-brand-dark);
}

/* ตารางในบทความ (เทียบวัตถุดิบ/สัดส่วน) */
.ch-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 0 auto 22px;
    font-size: 15.5px;
}

.ch-content th,
.ch-content td {
    border: 1px solid var(--ch-line-2);
    padding: 10px 14px;
    text-align: left;
}

.ch-content th {
    background: var(--ch-brand-soft);
    font-family: var(--ch-head);
    font-weight: 600;
    color: var(--ch-ink);
}

/* ย่อหน้าปิดท้ายที่มี CTA — ทำให้เด่นขึ้นโดยไม่ต้องแก้เนื้อบทความ */
.ch-content > p:last-child {
    background: var(--ch-bg);
    border: 1px solid var(--ch-line);
    border-left: 4px solid var(--ch-brand);
    border-radius: var(--ch-radius-sm);
    padding: 18px 22px;
    margin-top: 32px;
    font-size: 16px;
}

/* ── นำทางบทความก่อนหน้า/ถัดไป ──────────────────────────────────────────── */

.ch-postnav {
    max-width: 760px;
    margin: 56px auto 0 !important;
    padding-top: 28px;
    border-top: 1px solid var(--ch-line);
    gap: 16px;
}

.ch-postnav a {
    font-family: var(--ch-head);
    font-size: 14.5px;
    font-weight: 500;
    color: var(--ch-ink-2);
    text-decoration: none;
}

.ch-postnav a:hover {
    color: var(--ch-brand);
}

/* ── Footer ─────────────────────────────────────────────────────────────── */

.ch-footer {
    background: var(--ch-ink);
    color: #fff;
    padding: 54px 24px 30px;
}

.ch-footer-inner {
    max-width: var(--ch-maxw);
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    justify-content: space-between;
}

.ch-footer-brand {
    max-width: 330px;
}

.ch-footer-brand .ch-brand {
    color: #fff;
    margin-bottom: 12px;
}

.ch-footer-brand p {
    color: rgba(255, 255, 255, .62);
    font-size: 14.5px;
    line-height: 1.7;
    margin: 0;
}

.ch-footer-col h5 {
    font-family: var(--ch-head);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, .5);
    margin: 0 0 14px;
}

.ch-footer-col ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 9px;
}

.ch-footer-col a {
    color: rgba(255, 255, 255, .82);
    font-size: 14.5px;
    text-decoration: none;
    transition: color .18s;
}

.ch-footer-col a:hover {
    color: #fff;
}

.ch-footer-bottom {
    max-width: var(--ch-maxw);
    margin: 34px auto 0;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, .12);
    color: rgba(255, 255, 255, .45);
    font-size: 13px;
    text-align: center;
}

@media (max-width: 720px) {
    .ch-page-head { padding: 40px 0 26px; }
    .ch-article-head { padding: 34px 0 16px; }
    .ch-hero-img { margin-bottom: 30px !important; }
    .ch-content { font-size: 16.5px; }
    .ch-content h2 { font-size: 23px; margin-top: 34px; }
    .ch-footer-inner { gap: 28px; }
}