/* =========================================================
   หลักความจริง (Truth) — 70 หัวข้อ
   ใช้ร่วมกับธีม Inspinia เดิมของเว็บ (สีหลัก #1ab394, ส้ม #f8ac59/#fd7e14, ฟ้า #1a7bb9)
   ========================================================= */
:root {
    --tr-primary: #1ab394;
    --tr-primary-dark: #18a689;
    --tr-accent: #fd7e14;
    --tr-blue: #1a7bb9;
    --tr-ink: #2f4050;
    --tr-text: #333;
    --tr-muted: #888;
    --tr-line: #e7eaec;
    --tr-soft: #f3f3f4;
    --tr-verse-bg: #f4f9fd;
    --tr-font-size: 17px;
}

.tr-page { font-family: Sarabun, sans-serif; }

/* ---------- HERO (หน้า Index) ---------- */
.tr-hero {
    position: relative;
    overflow: hidden;
    border-radius: 6px;
    padding: 36px 32px 30px;
    color: #fff;
    background: linear-gradient(135deg, #2f4050 0%, #1f5c73 55%, #1ab394 130%);
    margin-bottom: 20px;
}
.tr-hero:after {
    content: "\f084"; /* fa-key */
    font-family: FontAwesome;
    position: absolute;
    right: -10px;
    bottom: -40px;
    font-size: 220px;
    opacity: .06;
    transform: rotate(-20deg);
}
.tr-hero-label {
    display: inline-block;
    font-size: 13px;
    letter-spacing: .5px;
    background: rgba(255,255,255,.15);
    border-radius: 20px;
    padding: 3px 12px;
    margin-bottom: 12px;
}
.tr-hero h1 {
    font-size: 28px;
    font-weight: 700;
    line-height: 1.5;
    margin: 0 0 6px;
    max-width: 820px;
}
.tr-hero p { font-size: 15px; opacity: .85; margin: 0 0 20px; }
.tr-hero-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.tr-search {
    position: relative;
    flex: 1 1 320px;
    max-width: 520px;
}
.tr-search input {
    width: 100%;
    height: 44px;
    border: 0;
    border-radius: 22px;
    padding: 0 48px 0 18px;
    font-size: 15px;
    color: var(--tr-text);
    font-family: Sarabun, sans-serif;
    box-shadow: 0 2px 10px rgba(0,0,0,.12);
}
.tr-search input:focus { outline: 2px solid var(--tr-accent); }
.tr-search button {
    position: absolute;
    right: 4px;
    top: 4px;
    width: 36px;
    height: 36px;
    border: 0;
    border-radius: 50%;
    background: var(--tr-primary);
    color: #fff;
}
.tr-btn-start {
    height: 44px;
    line-height: 44px;
    padding: 0 22px;
    border-radius: 22px;
    background: var(--tr-accent);
    color: #fff !important;
    font-weight: 600;
    white-space: nowrap;
}
.tr-btn-start:hover { background: #e96b06; }
.tr-btn-continue {
    display: none;
    height: 44px;
    line-height: 44px;
    padding: 0 18px;
    border-radius: 22px;
    border: 1px solid rgba(255,255,255,.5);
    color: #fff !important;
    white-space: nowrap;
}
.tr-btn-continue:hover { background: rgba(255,255,255,.1); }

/* ---------- แถบเลือกกลุ่มหัวข้อ ---------- */
.tr-groupbar {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    gap: 6px;
    overflow-x: auto;
    padding: 10px 0;
    margin-bottom: 6px;
    background: #f3f3f4;
    scrollbar-width: none;
}
.tr-groupbar::-webkit-scrollbar { display: none; }
.tr-groupbar a {
    flex: 0 0 auto;
    padding: 6px 14px;
    border-radius: 16px;
    background: #fff;
    border: 1px solid var(--tr-line);
    color: var(--tr-ink);
    font-size: 14px;
}
.tr-groupbar a:hover, .tr-groupbar a.active {
    border-color: var(--tr-primary);
    color: var(--tr-primary);
}

/* ---------- การ์ดหัวข้อ ---------- */
.tr-group { margin-bottom: 24px; scroll-margin-top: 60px; }
.tr-group-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--tr-ink);
    margin: 10px 0 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.tr-group-title i { color: var(--tr-accent); }
.tr-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 12px;
}
.tr-card {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    background: #fff;
    border: 1px solid var(--tr-line);
    border-radius: 6px;
    padding: 14px 16px;
    color: var(--tr-text);
    transition: border-color .2s, box-shadow .2s, transform .2s;
    min-height: 76px;
}
.tr-card:hover {
    color: var(--tr-text);
    border-color: var(--tr-primary);
    box-shadow: 0 4px 14px rgba(26,179,148,.12);
    transform: translateY(-2px);
}
.tr-card.is-read .tr-num { background: #e6f7f3; color: var(--tr-primary); }
.tr-num {
    flex: 0 0 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--tr-soft);
    color: var(--tr-ink);
    font-weight: 700;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.tr-card-title { font-size: 15px; line-height: 1.6; }

/* ---------- ผลการค้นหา ---------- */
.tr-results { background: #fff; border: 1px solid var(--tr-line); border-radius: 6px; padding: 6px 20px; margin-bottom: 20px; }
.tr-results-head { padding: 12px 0; border-bottom: 1px solid var(--tr-line); color: var(--tr-muted); }
.tr-results-head b { color: var(--tr-ink); }
.tr-result { display: block; padding: 14px 0; border-bottom: 1px solid var(--tr-line); color: var(--tr-text); }
.tr-result:last-child { border-bottom: 0; }
.tr-result:hover { color: var(--tr-text); background: #fafafa; }
.tr-result h4 { font-size: 16px; margin: 0 0 4px; color: var(--tr-blue); line-height: 1.6; }
.tr-result p { margin: 0; font-size: 14px; color: #666; line-height: 1.8; }
.tr-result .badge { font-weight: 400; background: var(--tr-soft); color: var(--tr-muted); }
mark.tr-hl { background: #fff3cd; color: inherit; padding: 0 1px; border-radius: 2px; }

/* ---------- หน้า Detail : สารบัญ ---------- */
.tr-toc { background: #fff; border-radius: 4px; padding: 20px 16px; }
.tr-toc h2 { text-align: center; margin: 0 0 14px; }
.tr-toc-filter { position: relative; margin-bottom: 12px; }
.tr-toc-filter input {
    width: 100%;
    height: 36px;
    border: 1px solid var(--tr-line);
    border-radius: 18px;
    padding: 0 14px 0 34px;
    font-size: 14px;
    font-family: Sarabun, sans-serif;
}
.tr-toc-filter i { position: absolute; left: 13px; top: 11px; color: #aaa; }
.tr-acc { list-style: none; padding: 0; margin: 0; }
.tr-acc > li { margin-bottom: 6px; }
.tr-acc-head {
    display: flex;
    align-items: center;
    padding: 9px 12px;
    border-radius: 6px;
    background: var(--tr-soft);
    cursor: pointer;
    user-select: none;
    color: var(--tr-ink);
}
.tr-acc-head:hover { background: #e2e8f0; }
.tr-acc-head i.fa-star-o { margin-right: 8px; }
.tr-acc-head .tr-toggle { margin-left: auto; font-weight: 700; font-size: 18px; line-height: 1; }
.tr-acc-body { list-style: none; padding: 4px 0 4px 6px; margin: 0; display: none; }
.tr-acc > li.open > .tr-acc-body { display: block; }
.tr-acc-body a {
    display: flex;
    gap: 6px;
    padding: 7px 10px;
    border-radius: 4px;
    color: var(--tr-text);
    font-size: 15px;
    line-height: 1.6;
}
.tr-acc-body a .n { flex: 0 0 auto; min-width: 26px; color: var(--tr-muted); }
.tr-acc-body a:hover { background: var(--tr-soft); color: var(--tr-accent); }
.tr-acc-body a.active { color: var(--tr-accent); font-weight: 600; background: #fff7ef; }
.tr-acc-body a.active .n { color: var(--tr-accent); }
.tr-toc-empty { display: none; color: var(--tr-muted); text-align: center; padding: 10px; }

/* ปุ่มเปิดสารบัญบนมือถือ */
.tr-toc-toggle { display: none; }

/* ---------- หน้า Detail : เนื้อหา ---------- */
.tr-head {
    background: #fff;
    border: 1px solid var(--tr-line);
    border-bottom: 0;
    padding: 18px 10px 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.tr-head-arrow {
    flex: 0 0 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    color: var(--tr-ink);
    border-radius: 50%;
}
.tr-head-arrow:hover { background: var(--tr-soft); color: var(--tr-accent); }
.tr-head-arrow.disabled { visibility: hidden; }
.tr-head-title { flex: 1; text-align: center; }
.tr-head-title small { display: block; color: var(--tr-accent); font-size: 14px; font-weight: 600; letter-spacing: .3px; }
.tr-head-title h1 { font-size: 24px; margin: 4px 0 0; line-height: 1.55; color: var(--tr-ink); font-weight: 500; }

.tr-toolbar {
    background: #fff;
    border: 1px solid var(--tr-line);
    border-bottom: 0;
    padding: 8px 16px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    color: var(--tr-muted);
}
.tr-toolbar .tr-crumb a { color: var(--tr-muted); }
.tr-toolbar .tr-crumb a:hover { color: var(--tr-primary); }
.tr-tools { margin-left: auto; display: flex; gap: 4px; align-items: center; }
.tr-tools button {
    border: 1px solid var(--tr-line);
    background: #fff;
    border-radius: 4px;
    min-width: 32px;
    height: 30px;
    color: var(--tr-ink);
    font-family: Sarabun, sans-serif;
}
.tr-tools button:hover { border-color: var(--tr-primary); color: var(--tr-primary); }
.tr-progress { height: 3px; background: var(--tr-line); }
.tr-progress span { display: block; height: 100%; background: var(--tr-primary); }

.tr-body {
    background: #fff;
    border: 1px solid var(--tr-line);
    border-top: 0;
    padding: 26px 34px 30px;
    font-size: var(--tr-font-size);
    line-height: 2;
    color: var(--tr-text);
}
.tr-body p { margin: 0 0 6px; }
.tr-body .tr-p { text-indent: 2em; }
.tr-body .tr-item { padding-left: 1.6em; text-indent: -1.6em; }
.tr-body .tr-item.l2 { margin-left: 1.6em; }
.tr-body .tr-item.l3 { margin-left: 3.2em; }
.tr-body .tr-item strong { color: var(--tr-ink); }
.tr-body .tr-verse {
    background: var(--tr-verse-bg);
    border-left: 3px solid var(--tr-blue);
    padding: 6px 14px;
    margin: 8px 0 10px 1.6em;
    border-radius: 0 4px 4px 0;
}
.tr-body .tr-verse strong:first-child { color: var(--tr-blue); margin-right: 4px; }
.tr-body .tr-sub, .tr-body .tr-h {
    color: var(--tr-blue);
    font-weight: 600;
    margin: 18px 0 8px;
}
.tr-body .tr-h { text-align: center; }
.tr-body .tr-sub strong, .tr-body .tr-h strong { font-weight: 600; }
.tr-body figure { margin: 18px 0; text-align: center; }
.tr-body figure img {
    max-width: 100%;
    height: auto;
    border: 1px solid var(--tr-line);
    border-radius: 4px;
    cursor: zoom-in;
}
.tr-body figure img { max-width: min(100%, 640px); }
.tr-body figure.narrow img { max-width: min(100%, 360px); }
.tr-body figcaption { font-size: 13px; color: var(--tr-muted); }

.tr-table-wrap { overflow-x: auto; margin: 6px 0 20px; }
.tr-table-wrap h3 { font-size: 17px; color: var(--tr-blue); margin: 10px 0 8px; }
.tr-table { width: 100%; border-collapse: collapse; font-size: 15px; line-height: 1.7; }
.tr-table th { background: var(--tr-ink); color: #fff; font-weight: 500; padding: 8px 10px; text-align: left; white-space: nowrap; }
.tr-table td { padding: 6px 10px; border-bottom: 1px solid var(--tr-line); }
.tr-table tr:nth-child(even) td { background: #fafafa; }
.tr-table td:last-child { font-weight: 600; color: var(--tr-accent); white-space: nowrap; }
.tr-table td:first-child { color: var(--tr-muted); }

/* ก่อนหน้า / ถัดไป */
.tr-pager { display: flex; gap: 12px; margin: 16px 0; }
.tr-pager a {
    flex: 1;
    background: #fff;
    border: 1px solid var(--tr-line);
    border-radius: 6px;
    padding: 12px 16px;
    color: var(--tr-text);
    min-width: 0;
}
.tr-pager a:hover { border-color: var(--tr-accent); background: #fff7ef; }
.tr-pager a small { display: block; color: var(--tr-accent); font-size: 14px; font-weight: 600; }
.tr-pager a span { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--tr-ink); }
.tr-pager a.next { text-align: right; }
.tr-pager .ph { flex: 1; }

.tr-share { background: #fff; border: 1px solid var(--tr-line); border-radius: 6px; padding: 16px; text-align: center; }
.tr-share h3 { margin: 0 0 10px; }
.tr-share #my_centered_buttons { display: flex; justify-content: center; }

/* ภาพขยาย */
.tr-lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 3000;
    background: rgba(0,0,0,.85);
    align-items: center;
    justify-content: center;
    padding: 20px;
    cursor: zoom-out;
}
.tr-lightbox.show { display: flex; }
.tr-lightbox img { max-width: 100%; max-height: 100%; background: #fff; }

/* ---------- Responsive ---------- */
@media (max-width: 991px) {
    .tr-toc-toggle {
        display: flex;
        align-items: center;
        gap: 8px;
        width: 100%;
        border: 1px solid var(--tr-line);
        background: #fff;
        border-radius: 6px;
        padding: 10px 14px;
        margin-bottom: 10px;
        font-size: 15px;
        color: var(--tr-ink);
        font-family: Sarabun, sans-serif;
    }
    .tr-toc-toggle .fa-angle-down { margin-left: auto; }
    .tr-toc-wrap { display: none; margin-bottom: 12px; }
    .tr-toc-wrap.show { display: block; }
}
@media (max-width: 768px) {
    .tr-hero { padding: 24px 18px; }
    .tr-hero h1 { font-size: 21px; }
    .tr-head-title h1 { font-size: 19px; }
    .tr-head-arrow { flex-basis: 34px; font-size: 20px; }
    .tr-body { padding: 18px 16px 24px; }
    .tr-body .tr-verse { margin-left: 0; }
    .tr-pager { flex-direction: column; }
    .tr-table { font-size: 14px; }
    .tr-table th, .tr-table td { padding: 6px; }
}

@media print {
    #wrapper > nav, .navbar-static-top, .footer, .tr-toc-col, .tr-toolbar, .tr-pager, .tr-share, #myBtnBackToTop, .tr-head-arrow { display: none !important; }
    #page-wrapper { margin: 0 !important; }
    .tr-body, .tr-head { border: 0; }
}