/* ================================================================
   SAFETY LIBRARY v7 — safety_library.css
   vinapro_b2b | NukeViet Page Module
   Dùng --b2b-* tokens từ b2b-theme.css
   Tabs: 1 hàng scroll ngang + nút mũi tên
   ================================================================ */

.kb-wrap { font-family: var(--b2b-font-base); color: var(--b2b-gray-800); }

/* ── COLOR PALETTE cho tabs ─────────────────────────────────── */
:root {
    --kb-amber:   #d97706; --kb-amber-bg:   rgba(217,119,6,.1);   --kb-amber-border:   rgba(217,119,6,.3);
    --kb-indigo:  #4f46e5; --kb-indigo-bg:  rgba(79,70,229,.1);   --kb-indigo-border:  rgba(79,70,229,.3);
    --kb-red:     #dc2626; --kb-red-bg:     rgba(220,38,38,.1);    --kb-red-border:     rgba(220,38,38,.3);
    --kb-emerald: #059669; --kb-emerald-bg: rgba(5,150,105,.1);    --kb-emerald-border: rgba(5,150,105,.3);
    --kb-blue:    #2563eb; --kb-blue-bg:    rgba(37,99,235,.1);    --kb-blue-border:    rgba(37,99,235,.3);
    --kb-green:   #16a34a; --kb-green-bg:   rgba(22,163,74,.1);    --kb-green-border:   rgba(22,163,74,.3);
    --kb-orange:  #ea580c; --kb-orange-bg:  rgba(234,88,12,.1);    --kb-orange-border:  rgba(234,88,12,.3);
    --kb-rose:    #e11d48; --kb-rose-bg:    rgba(225,29,72,.1);    --kb-rose-border:    rgba(225,29,72,.3);
    --kb-gray:    #6b7280; --kb-gray-bg:    rgba(107,114,128,.1);  --kb-gray-border:    rgba(107,114,128,.3);
}

/* ── HEADER ──────────────────────────────────────────────────── */
.kb-header {
    display: flex; align-items: center; padding: 14px 0 12px;
    border-bottom: 1px solid var(--b2b-gray-100); margin-bottom: 14px;
}
.kb-header__left { display: flex; align-items: center; gap: 12px; }
.kb-header__icon {
    width: 40px; height: 40px; flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    background: var(--b2b-primary); color: #fff; border-radius: 10px;
}
.kb-header__title { font-size: 17px; font-weight: 800; color: var(--b2b-primary); letter-spacing: .04em; margin: 0; }
.kb-header__sub   { font-size: 10px; color: var(--b2b-gray-400); margin: 2px 0 0; letter-spacing: .05em; }

/* ── SEARCH ──────────────────────────────────────────────────── */
.kb-search-wrap { margin-bottom: 14px; }
.kb-search {
    display: flex; align-items: center; gap: 10px;
    max-width: 620px; margin: 0 auto;
    background: #fff; border: 1.5px solid var(--b2b-gray-200);
    border-radius: 10px; padding: 0 14px; height: 44px;
    box-shadow: var(--b2b-shadow-sm);
    transition: border-color .15s, box-shadow .15s;
}
.kb-search:focus-within {
    border-color: var(--b2b-primary);
    box-shadow: 0 0 0 3px rgba(26,58,92,.08);
}
.kb-search__ico   { color: var(--b2b-gray-400); flex-shrink: 0; }
.kb-search__input {
    flex: 1; border: none; outline: none; background: transparent;
    font-family: var(--b2b-font-base); font-size: 13.5px; color: var(--b2b-gray-800);
}
.kb-search__input::placeholder { color: var(--b2b-gray-400); }
.kb-search__esc {
    font-size: 10px; color: var(--b2b-gray-400);
    background: var(--b2b-gray-100); border: 1px solid var(--b2b-gray-200);
    border-radius: 4px; padding: 1px 5px; font-family: monospace; flex-shrink: 0;
}

/* ══════════════════════════════════════════════════════════════
   TABS — 1 HÀNG SCROLL NGANG
   Wrapper relative để đặt nút mũi tên
══════════════════════════════════════════════════════════════ */
.kb-tabs {
    position: relative; margin-bottom: 18px;
    background: #fff;
    border: 1.5px solid var(--b2b-gray-200);
    border-radius: 12px; overflow: hidden;
    box-shadow: var(--b2b-shadow-sm);
}

/* Track: scroll ngang, ẩn scrollbar */
.kb-tabs__track {
    display: flex; flex-wrap: nowrap;
    overflow-x: auto; overflow-y: hidden;
    scroll-behavior: smooth;
    scrollbar-width: none;        /* Firefox */
    -ms-overflow-style: none;     /* IE/Edge */
    padding: 6px 38px;           /* padding cho nút mũi tên */
    gap: 3px;
}
.kb-tabs__track::-webkit-scrollbar { display: none; }

/* Nút mũi tên scroll */
.kb-tabs__arr {
    position: absolute; top: 50%; transform: translateY(-50%);
    width: 30px; height: 30px;
    display: flex; align-items: center; justify-content: center;
    background: #fff; border: 1px solid var(--b2b-gray-200);
    border-radius: 6px; cursor: pointer;
    color: var(--b2b-gray-500); z-index: 2;
    transition: all .15s; opacity: 0; pointer-events: none;
}
.kb-tabs__arr--left  { left: 4px; }
.kb-tabs__arr--right { right: 4px; }
.kb-tabs__arr.visible { opacity: 1; pointer-events: auto; }
.kb-tabs__arr:hover  { background: var(--b2b-gray-50); color: var(--b2b-primary); border-color: var(--b2b-primary); }

/* Tab items */
.kb-tab {
    display: inline-flex; align-items: center; gap: 5px;
    flex-shrink: 0;                          /* ← không shrink */
    padding: 6px 13px; border-radius: 7px;
    background: transparent; border: 1.5px solid transparent;
    cursor: pointer; font-family: var(--b2b-font-base);
    font-size: 12.5px; font-weight: 500; color: var(--b2b-gray-600);
    white-space: nowrap; text-decoration: none;
    transition: all .14s; outline: none; line-height: 1.2;
    -webkit-tap-highlight-color: transparent;
}
.kb-tab:hover { background: var(--b2b-gray-50); color: var(--b2b-primary); text-decoration: none; }

/* Active state — dùng CSS custom props theo color */
.kb-tab.active { font-weight: 700; }

/* Color variants (active) */
.kb-tab--amber.active   { background: var(--kb-amber-bg);   border-color: var(--kb-amber-border);   color: var(--kb-amber); }
.kb-tab--indigo.active  { background: var(--kb-indigo-bg);  border-color: var(--kb-indigo-border);  color: var(--kb-indigo); }
.kb-tab--red.active     { background: var(--kb-red-bg);     border-color: var(--kb-red-border);     color: var(--kb-red); }
.kb-tab--emerald.active { background: var(--kb-emerald-bg); border-color: var(--kb-emerald-border); color: var(--kb-emerald); }
.kb-tab--blue.active    { background: var(--kb-blue-bg);    border-color: var(--kb-blue-border);    color: var(--kb-blue); }
.kb-tab--green.active   { background: var(--kb-green-bg);   border-color: var(--kb-green-border);   color: var(--kb-green); }
.kb-tab--orange.active  { background: var(--kb-orange-bg);  border-color: var(--kb-orange-border);  color: var(--kb-orange); }
.kb-tab--rose.active    { background: var(--kb-rose-bg);    border-color: var(--kb-rose-border);    color: var(--kb-rose); }
.kb-tab--gray.active    { background: var(--kb-gray-bg);    border-color: var(--kb-gray-border);    color: var(--kb-gray); }

/* Icon */
.kb-tab__ico { font-size: 14px; line-height: 1; }
.kb-tab__lbl { }

/* ── PAGE TITLE ──────────────────────────────────────────────── */
.kb-page-title {
    padding: 14px 0 10px; margin-bottom: 16px;
    border-bottom: 2px solid var(--b2b-gray-100);
}
.kb-page-title__text {
    font-size: 18px; font-weight: 800; margin: 0 0 4px;
    text-transform: uppercase; letter-spacing: .02em;
    color: var(--b2b-primary);
}
.kb-page-title__desc { font-size: 13.5px; color: var(--b2b-gray-600); margin: 0; line-height: 1.55; }

/* Color variants cho page title */
.kb-page-title--amber   .kb-page-title__text { color: var(--kb-amber); }
.kb-page-title--indigo  .kb-page-title__text { color: var(--kb-indigo); }
.kb-page-title--red     .kb-page-title__text { color: var(--kb-red); }
.kb-page-title--emerald .kb-page-title__text { color: var(--kb-emerald); }
.kb-page-title--blue    .kb-page-title__text { color: var(--kb-blue); }
.kb-page-title--green   .kb-page-title__text { color: var(--kb-green); }
.kb-page-title--orange  .kb-page-title__text { color: var(--kb-orange); }
.kb-page-title--rose    .kb-page-title__text { color: var(--kb-rose); }

/* ── BODY GRID: 65% + 35% ────────────────────────────────────── */
.kb-body-grid {
    display: grid; grid-template-columns: 1fr 310px;
    gap: 20px; align-items: start;
}

@supports selector(:has(*)) {
    .kb-body-grid:not(:has(.kb-col-side)) { grid-template-columns: 1fr; }
}

.kb-col-main { min-width: 0; }

/* ── SECTION LABEL ───────────────────────────────────────────── */
.kb-section-label {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 11px; font-weight: 700; color: var(--b2b-gray-500);
    text-transform: uppercase; letter-spacing: .08em;
    margin-bottom: 10px;
    padding: 4px 10px; background: var(--b2b-gray-50);
    border: 1px solid var(--b2b-gray-200); border-radius: 6px;
}

/* ══════════════════════════════════════════════════════════════
   BẢNG THUẬT NGỮ — style cho table trong CKEditor output
   Cột: THUẬT NGỮ | ĐỊNH NGHĨA | VÍ DỤ | [CHIA SẺ]
══════════════════════════════════════════════════════════════ */
.kb-terms .bodytext table,
#page-bodyhtml table {
    width: 100%; border-collapse: separate; border-spacing: 0;
    margin: 0; font-size: 13px; background: #fff;
    border: 1.5px solid var(--b2b-gray-200);
    border-radius: 10px; overflow: hidden;
    box-shadow: var(--b2b-shadow-sm);
}

/* Header: ẩn hàng trống, label nhỏ xám */
.kb-terms .bodytext table thead tr:has(th:empty),
#page-bodyhtml table thead tr:has(td:empty) { display: none; }

.kb-terms .bodytext table th,
#page-bodyhtml table th {
    padding: 8px 12px; text-align: left;
    font-size: 10px; font-weight: 700;
    text-transform: uppercase; letter-spacing: .08em;
    color: var(--b2b-gray-500);
    background: var(--b2b-gray-50);
    border-bottom: 1.5px solid var(--b2b-gray-200);
    white-space: nowrap;
}

.kb-terms .bodytext table td,
#page-bodyhtml table td {
    padding: 11px 12px; vertical-align: top;
    border-bottom: 1px solid var(--b2b-gray-100);
    font-size: 13px; line-height: 1.6; color: var(--b2b-gray-800);
}

.kb-terms .bodytext table tbody tr:last-child td,
#page-bodyhtml table tbody tr:last-child td { border-bottom: none; }

.kb-terms .bodytext table tbody tr:hover td,
#page-bodyhtml table tbody tr:hover td {
    background: rgba(26,58,92,.03); transition: background .1s;
}

/* Cột 1: Thuật ngữ */
.kb-terms .bodytext table td:first-child,
#page-bodyhtml table td:first-child {
    font-weight: 700; color: var(--b2b-gray-900);
    width: 22%; min-width: 140px;
}
.kb-terms .bodytext table td:first-child em,
#page-bodyhtml table td:first-child em {
    display: block; font-style: normal; font-weight: 400;
    font-size: 11px; color: var(--b2b-gray-400); margin-top: 2px;
}

/* Cột 2: Định nghĩa */
.kb-terms .bodytext table td:nth-child(2),
#page-bodyhtml table td:nth-child(2) { width: 44%; }

/* Cột 3: Ví dụ */
.kb-terms .bodytext table td:nth-child(3),
#page-bodyhtml table td:nth-child(3) {
    font-size: 12px; color: var(--b2b-gray-500);
    font-style: italic; width: 26%;
}

/* Cột 4: Chia sẻ */
.kb-terms .bodytext table td:nth-child(4),
#page-bodyhtml table td:nth-child(4) {
    width: 8%; text-align: center; font-size: 12px; color: var(--b2b-gray-400);
}

/* Headings trong bodytext */
.kb-terms .bodytext h2, #page-bodyhtml h2 {
    font-size: 14px; font-weight: 700; color: var(--b2b-primary);
    margin: 18px 0 8px; padding: 6px 12px;
    background: rgba(26,58,92,.06);
    border-left: 3px solid var(--b2b-primary);
    border-radius: 0 6px 6px 0;
}
.kb-terms .bodytext h3, #page-bodyhtml h3 { font-size: 13.5px; font-weight: 600; color: var(--b2b-gray-800); margin: 14px 0 6px; }
.kb-terms .bodytext p, #page-bodyhtml p { margin-bottom: 8px; }
.kb-terms .bodytext ul, #page-bodyhtml ul { list-style: disc; padding-left: 1.4em; margin-bottom: 8px; }

/* ── SIDEBAR ─────────────────────────────────────────────────── */
.kb-col-side {
    display: flex; flex-direction: column; gap: 14px;
    position: sticky; top: 16px;
}

.kb-side-card {
    background: #fff; border: 1.5px solid var(--b2b-gray-200);
    border-radius: 12px; box-shadow: var(--b2b-shadow-sm); overflow: hidden;
}

.kb-side-card__head {
    display: flex; align-items: center; gap: 7px;
    padding: 11px 14px;
    font-size: 13px; font-weight: 700; color: var(--b2b-primary);
    background: var(--b2b-gray-50);
    border-bottom: 1px solid var(--b2b-gray-100);
}
.kb-side-card__head svg { flex-shrink: 0; }
.kb-side-card--tip .kb-side-card__head { color: #7c3aed; }

.kb-side-card__body { padding: 14px 14px; }

/* Checklist */
.kb-checklist { list-style: none; padding: 0; margin: 0 0 14px; display: flex; flex-direction: column; gap: 9px; }
.kb-checklist__item { display: flex; align-items: flex-start; gap: 9px; }
.kb-chk { width: 15px; height: 15px; margin-top: 1px; flex-shrink: 0; cursor: pointer; accent-color: var(--b2b-success); }
.kb-checklist label { font-size: 12.5px; color: var(--b2b-gray-700); cursor: pointer; margin: 0; line-height: 1.45; }
.kb-chk:checked + label { color: var(--b2b-gray-400); text-decoration: line-through; }

.kb-prog-wrap { display: flex; flex-direction: column; gap: 5px; }
.kb-prog { height: 6px; background: var(--b2b-gray-100); border-radius: 999px; overflow: hidden; }
.kb-prog__fill { height: 100%; background: var(--b2b-success); border-radius: 999px; width: 0%; transition: width .3s ease; }
.kb-prog__text { font-size: 11px; color: var(--b2b-gray-400); text-align: right; }

/* AI Tip */
.kb-ai-tip { font-size: 13px; line-height: 1.65; color: var(--b2b-gray-700); margin: 0; font-style: italic; }

/* ── MISC ────────────────────────────────────────────────────── */
.kb-alert { display: flex; align-items: center; gap: 8px; padding: 10px 14px; margin-bottom: 14px; background: #fff5f5; border: 1px solid #fecaca; border-radius: 8px; color: var(--b2b-error); font-size: 13px; font-weight: 500; }
.kb-social { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }
.kb-fig { margin: 0 0 12px; }
.kb-fig--left { float: left; margin-right: 14px; cursor: pointer; }
.kb-fig--center { float: none; clear: both; text-align: center; cursor: pointer; }
.kb-fig__img { max-width: 100%; border-radius: 8px; border: var(--b2b-border); }
.kb-fig__cap { font-size: 11px; color: var(--b2b-gray-400); text-align: center; margin-top: 3px; }
.kb-admin-bar { padding: 10px 0; border-top: 1px solid var(--b2b-gray-100); margin-top: 14px; }
.kb-section-head { font-size: 13.5px; font-weight: 600; color: var(--b2b-gray-800); padding: 0 0 10px; border-bottom: 1px solid var(--b2b-gray-100); margin-bottom: 12px; }
.kb-related { margin-top: 16px; }
.kb-related__list { list-style: none; padding: 0; margin: 0; }
.kb-related__list li { border-bottom: 1px solid var(--b2b-gray-100); }
.kb-related__list li:last-child { border-bottom: none; }
.kb-related__link { display: flex; align-items: flex-start; gap: 6px; padding: 8px 4px; text-decoration: none; color: var(--b2b-gray-600); font-size: 12.5px; line-height: 1.45; transition: color .14s; }
.kb-related__link:hover { color: var(--b2b-primary); text-decoration: none; }
.kb-comment { margin-top: 20px; }

/* List view */
.kb-list-card { background: #fff; border: 1.5px solid var(--b2b-gray-200); border-radius: 12px; box-shadow: var(--b2b-shadow-sm); padding: 14px 18px; margin-bottom: 10px; display: flex; gap: 14px; }
.kb-list-card__img { width: 76px; height: 76px; object-fit: cover; border-radius: 8px; border: var(--b2b-border); flex-shrink: 0; }
.kb-list-card__body { flex: 1; min-width: 0; }
.kb-list-card__title { font-size: 15px; font-weight: 700; margin: 0 0 5px; }
.kb-list-card__title a { color: var(--b2b-primary); text-decoration: none; }
.kb-list-card__title a:hover { text-decoration: underline; }
.kb-list-card__desc { font-size: 13px; color: var(--b2b-gray-600); margin: 0 0 6px; line-height: 1.55; }
.kb-pagination { display: flex; justify-content: center; padding: 12px 0; }

/* Search highlight */
mark.kb-hl { background: #fef9c3; border-radius: 2px; padding: 0 1px; font-style: normal; }
.kb-row-hide { display: none !important; }

/* ── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 1024px) {
    .kb-body-grid { grid-template-columns: 1fr; }
    .kb-col-side   { position: static; }
}

@media (max-width: 767px) {
    .kb-tab { padding: 5px 10px; font-size: 11.5px; gap: 4px; }
    .kb-tab__ico { font-size: 13px; }
    .kb-page-title__text { font-size: 15px; }
    .kb-list-card { flex-direction: column; }
    .kb-list-card__img { width: 100%; height: 140px; }

    /* Table scroll ngang */
    .kb-terms .bodytext table, #page-bodyhtml table {
        display: block; overflow-x: auto; -webkit-overflow-scrolling: touch;
        white-space: nowrap; border-radius: 0;
    }
    .kb-terms .bodytext table td, #page-bodyhtml table td {
        white-space: normal; min-width: 120px;
    }
}

@media print {
    .kb-tabs, .kb-col-side, .kb-admin-bar, .kb-social, .kb-search-wrap { display: none !important; }
    .kb-body-grid { grid-template-columns: 1fr !important; }
}