/* xBOOK – Kiểm tra màu thương hiệu. Everything is scoped under .xbbc so the site theme is not affected. */
.xbbc {
  --x-ink: #14181F; --x-ink2: #374151; --x-muted: #4B5563; --x-line: #E2E5EA; --x-line2: #C8CDD5;
  --x-surface: #FFFFFF; --x-surface2: #F6F7F9; --x-accent: #0B6E78; --x-accent-ink: #FFFFFF; --x-accent-soft: #E3F4F4;
  --x-focus: #2457C5; --x-ok: #166534; --x-ok-bg: #EAF7EE; --x-mid: #8A4B0B; --x-mid-bg: #FFF5E5; --x-bad: #B42318; --x-bad-bg: #FDEEEC;
  --x-r: 12px;
  color: var(--x-ink); font-size: 15px; line-height: 1.55; text-align: left;
}
.xbbc *, .xbbc *::before, .xbbc *::after { box-sizing: border-box; }
.xbbc [hidden] { display: none !important; }
.xbbc h2, .xbbc h3, .xbbc h4 { color: var(--x-ink); line-height: 1.25; margin: 1.2em 0 .5em; font-weight: 700; letter-spacing: -.01em; text-transform: none; }
.xbbc h2 { font-size: clamp(1.35rem, 2.6vw, 1.75rem); margin-top: .2em; }
.xbbc h3 { font-size: 1.15rem; }
.xbbc h4 { font-size: 1rem; }
.xbbc p { margin: 0 0 .8em; }
.xbbc a:not(.xbbc-btn) { color: var(--x-accent); }
.xbbc code { font: 600 .9em/1.2 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; background: none; padding: 0; color: inherit; }
.xbbc :focus-visible { outline: 3px solid var(--x-focus); outline-offset: 2px; }
.xbbc .xbbc-sr { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; margin: -1px; padding: 0; border: 0; }
.xbbc .xbbc-wrap { max-width: 1120px; margin: 0 auto; padding: 0 0 24px; }
.xbbc .xbbc-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; padding: 12px 0; }
.xbbc .xbbc-title { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.1rem; }
.xbbc .xbbc-mark { width: 28px; height: 28px; border-radius: 8px; background: conic-gradient(#0B6E78 0 25%, #F59E0B 0 50%, #1E3A8A 0 75%, #E11D48 0); flex: none; }
.xbbc .xbbc-tools { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.xbbc .xbbc-user { color: var(--x-muted); font-size: .9rem; }
.xbbc .xbbc-lang, .xbbc .xbbc-in { font: inherit; color: var(--x-ink); background: var(--x-surface); border: 1px solid var(--x-line2); border-radius: 8px; padding: 8px 10px; min-height: 40px; max-width: 100%; }
.xbbc .xbbc-in[aria-invalid="true"] { border-color: var(--x-bad); }
.xbbc .xbbc-nav { display: flex; gap: 4px; flex-wrap: wrap; border-bottom: 1px solid var(--x-line); margin-bottom: 16px; }
.xbbc .xbbc-nav a:not(.x) { padding: 10px 14px; text-decoration: none; color: var(--x-ink2); font-weight: 600; border-bottom: 3px solid transparent; margin-bottom: -1px; }
.xbbc .xbbc-nav a[aria-current="page"]:not(.x) { color: var(--x-accent); border-bottom-color: var(--x-accent); }
.xbbc .xbbc-steps { list-style: none; display: flex; gap: 6px; flex-wrap: wrap; padding: 0; margin: 0 0 16px; counter-reset: s; }
.xbbc .xbbc-steps li { display: flex; align-items: center; gap: 6px; padding: 6px 12px 6px 6px; border-radius: 999px; background: var(--x-surface2); color: var(--x-muted); font-size: .88rem; font-weight: 600; }
.xbbc .xbbc-steps li[data-state="current"] { background: var(--x-accent); color: #fff; }
.xbbc .xbbc-steps li[data-state="done"] { background: var(--x-accent-soft); color: var(--x-accent); }
.xbbc .xbbc-step-n { display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: rgba(255,255,255,.85); color: var(--x-ink); font-size: .8rem; }
.xbbc .xbbc-main:focus { outline: none; }
.xbbc .xbbc-hero { padding: 8px 0 4px; }
.xbbc .xbbc-lead { font-size: 1.05rem; color: var(--x-ink2); max-width: 70ch; }
.xbbc .xbbc-points { display: grid; gap: 10px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); list-style: none; padding: 0; margin: 16px 0; }
.xbbc .xbbc-points li { background: var(--x-surface2); border-radius: var(--x-r); padding: 14px; }
.xbbc .xbbc-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin: 14px 0; }
.xbbc .xbbc-btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 44px; padding: 0 16px; border-radius: 10px; border: 1px solid var(--x-line2); background: var(--x-surface); color: var(--x-ink); font-family: inherit; font-weight: 600; font-size: .95rem; line-height: 1.2; letter-spacing: normal; text-transform: none; text-decoration: none; cursor: pointer; }
.xbbc .xbbc-btn:hover { background: var(--x-surface2); }
.xbbc .xbbc-btn[disabled] { opacity: .55; cursor: not-allowed; }
.xbbc .xbbc-btn-primary { background: var(--x-accent); border-color: var(--x-accent); color: var(--x-accent-ink); }
.xbbc .xbbc-btn-primary:hover { background: #095C64; }
.xbbc .xbbc-btn-ghost { background: transparent; border-color: transparent; color: var(--x-accent); }
.xbbc .xbbc-btn-danger { color: var(--x-bad); border-color: var(--x-bad); }
.xbbc .xbbc-btn-sm { min-height: 36px; padding: 0 12px; font-size: .88rem; }
.xbbc .xbbc-card { background: var(--x-surface); border: 1px solid var(--x-line); border-radius: var(--x-r); padding: 16px; margin: 0 0 16px; min-width: 0; }
.xbbc fieldset.xbbc-card { margin: 0 0 16px; }
.xbbc legend { font-weight: 700; padding: 0 4px; }
.xbbc .xbbc-center { text-align: center; max-width: 640px; margin: 24px auto; }
.xbbc .xbbc-center .xbbc-actions { justify-content: center; }
.xbbc .xbbc-grid2 { display: grid; gap: 16px; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 820px) { .xbbc-grid2 { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } .xbbc-grid-form { grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); } }
.xbbc .xbbc-muted { color: var(--x-muted); }
.xbbc .xbbc-note { background: var(--x-surface2); border-left: 4px solid var(--x-accent); padding: 10px 12px; border-radius: 6px; font-size: .92rem; }
.xbbc .xbbc-alert { border-radius: 10px; padding: 12px 14px; margin: 10px 0; }
.xbbc .xbbc-alert ul { margin: 6px 0 0 18px; }
.xbbc .xbbc-alert-bad { background: var(--x-bad-bg); color: var(--x-bad); }
.xbbc .xbbc-alert-warn { background: var(--x-mid-bg); color: var(--x-mid); }
.xbbc .xbbc-alert-info { background: var(--x-accent-soft); color: #064E55; }
.xbbc .xbbc-status { list-style: none; padding: 0; margin: 0 0 8px; }
.xbbc .xbbc-status li::before { content: '✔ '; color: var(--x-ok); font-weight: 800; }
.xbbc .xbbc-status li[data-ok="false"]::before { content: '✖ '; color: var(--x-bad); }
.xbbc .xbbc-drop { border: 2px dashed var(--x-line2); border-radius: var(--x-r); padding: 24px; display: grid; gap: 10px; justify-items: start; background: var(--x-surface2); }
.xbbc .xbbc-drop.is-over { border-color: var(--x-accent); background: var(--x-accent-soft); }
.xbbc .xbbc-sources { margin-bottom: 12px; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 16px; align-items: stretch; }
.xbbc .xbbc-source { align-content: start; }
.xbbc .xbbc-source h3 { margin: 0; font-size: 1.05rem; }
.xbbc .xbbc-drive { border: 2px solid var(--x-line2); border-radius: var(--x-r); padding: 24px; display: grid; gap: 10px; justify-items: start; align-content: start; background: var(--x-surface); }
.xbbc .xbbc-drive p { margin: 0; }
.xbbc .xbbc-scope summary { cursor: pointer; color: var(--x-accent); }
.xbbc .xbbc-scope p { margin-top: 6px; font-size: .92rem; }
.xbbc .xbbc-src { margin-top: -4px; }
.xbbc .xbbc-file { position: relative; overflow: hidden; }
.xbbc .xbbc-file input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.xbbc .xbbc-file:focus-within { outline: 3px solid var(--x-focus); outline-offset: 2px; }
.xbbc .xbbc-picked { font-weight: 600; margin: 0; }
.xbbc .xbbc-busy::before { content: ''; display: inline-block; width: 14px; height: 14px; border: 2px solid var(--x-accent); border-right-color: transparent; border-radius: 50%; margin-right: 8px; vertical-align: -2px; animation: xbbc-spin .8s linear infinite; }
@keyframes xbbc-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .xbbc-busy::before { animation: none; } }
.xbbc .xbbc-stage { min-height: 200px; display: grid; place-items: center; padding: 20px; border-radius: 10px; border: 1px solid var(--x-line); background: #fff; }
.xbbc .xbbc-stage[data-bg="check"] { background-color: #fff; background-image: linear-gradient(45deg, #E5E7EB 25%, transparent 25%), linear-gradient(-45deg, #E5E7EB 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #E5E7EB 75%), linear-gradient(-45deg, transparent 75%, #E5E7EB 75%); background-size: 16px 16px; background-position: 0 0, 0 8px, 8px -8px, -8px 0; }
.xbbc .xbbc-stage[data-bg="dark"] { background: #111111; }
.xbbc .xbbc-logo { max-width: 100%; max-height: 220px; width: auto; height: auto; display: block; }
.xbbc .xbbc-seg { display: inline-flex; gap: 4px; margin-top: 8px; flex-wrap: wrap; }
.xbbc .xbbc-seg button { font: inherit; font-size: .88rem; min-height: 36px; padding: 0 12px; border: 1px solid var(--x-line2); background: var(--x-surface); border-radius: 8px; cursor: pointer; color: var(--x-ink); }
.xbbc .xbbc-seg button[aria-pressed="true"] { background: var(--x-ink); color: #fff; border-color: var(--x-ink); }
.xbbc .xbbc-findings summary { font-weight: 700; cursor: pointer; }
.xbbc .xbbc-findings ul { margin: 8px 0 0 18px; padding: 0; }
.xbbc .xbbc-findings li[data-level="danger"] { color: var(--x-bad); }
.xbbc .xbbc-findings li[data-level="warn"] { color: var(--x-mid); }
.xbbc .xbbc-dl { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 4px 12px; font-size: .9rem; margin: 12px 0 0; }
.xbbc .xbbc-dl dt { font-weight: 600; } .xbbc-dl dd { margin: 0; }
.xbbc .xbbc-tablewrap { overflow-x: auto; border: 1px solid var(--x-line); border-radius: 10px; margin: 8px 0 16px; }
.xbbc .xbbc-table { width: 100%; border-collapse: collapse; font-size: .92rem; margin: 0; }
.xbbc .xbbc-table th, .xbbc .xbbc-table td { padding: 8px 10px; border-bottom: 1px solid var(--x-line); text-align: left; vertical-align: middle; }
.xbbc .xbbc-table thead th { background: var(--x-surface2); font-weight: 700; white-space: nowrap; }
.xbbc .xbbc-table tr:last-child td { border-bottom: 0; }
.xbbc .xbbc-table td[data-pass="true"] { color: var(--x-ok); font-weight: 700; }
.xbbc .xbbc-table td[data-pass="false"] { color: var(--x-bad); font-weight: 700; }
.xbbc .xbbc-table td[data-na="true"] { color: var(--x-muted); }
.xbbc .xbbc-table-sm th, .xbbc .xbbc-table-sm td { padding: 6px 8px; }
.xbbc .xbbc-sw { display: inline-block; width: 20px; height: 20px; border-radius: 5px; background: var(--c); box-shadow: inset 0 0 0 1px rgba(20,24,31,.25); vertical-align: middle; margin-right: 6px; flex: none; }
.xbbc .xbbc-sw[data-big] { width: 48px; height: 48px; border-radius: 10px; }
.xbbc .xbbc-badge { display: inline-block; font-size: .75rem; font-weight: 700; padding: 1px 7px; border-radius: 999px; background: var(--x-surface2); color: var(--x-ink2); white-space: nowrap; }
.xbbc .xbbc-badge-warn { background: var(--x-mid-bg); color: var(--x-mid); }
.xbbc .xbbc-radio, .xbbc .xbbc-check { display: flex; gap: 10px; align-items: flex-start; padding: 6px 0; cursor: pointer; }
.xbbc .xbbc-radio input, .xbbc .xbbc-check input { width: 20px; height: 20px; margin: 2px 0 0; flex: none; accent-color: var(--x-accent); }
.xbbc .xbbc-bgrow, .xbbc .xbbc-std { display: flex; gap: 8px; align-items: flex-end; flex-wrap: wrap; margin: 8px 0; }
.xbbc .xbbc-bgrow input[type="color"] { width: 44px; height: 40px; padding: 2px; border: 1px solid var(--x-line2); border-radius: 8px; background: #fff; }
.xbbc .xbbc-bgrow .bg-hex { width: 110px; }
.xbbc .xbbc-std label { display: grid; gap: 2px; font-size: .85rem; font-weight: 600; }
.xbbc .xbbc-palette { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 250px), 1fr)); }
.xbbc .xbbc-pal { display: flex; gap: 12px; align-items: flex-start; border: 1px solid var(--x-line); border-radius: 10px; padding: 10px; font-size: .9rem; }
.xbbc .xbbc-pvs { display: grid; gap: 10px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 220px), 1fr)); }
.xbbc .xbbc-pv { margin: 0; background: var(--bg); border: 1px solid var(--x-line); border-radius: 10px; padding: 18px; display: grid; gap: 8px; place-items: center; min-height: 150px; }
.xbbc .xbbc-pv .xbbc-logo { max-height: 110px; }
.xbbc .xbbc-pv figcaption { font-size: .8rem; background: rgba(255,255,255,.9); color: var(--x-ink); padding: 1px 8px; border-radius: 999px; }
.xbbc .xbbc-small { background: var(--bg); border: 1px solid var(--x-line); border-radius: 10px; padding: 12px; display: flex; gap: 24px; align-items: flex-end; flex-wrap: wrap; margin: 0 0 8px; }
.xbbc .xbbc-small span { display: grid; gap: 4px; justify-items: start; }
.xbbc .xbbc-small small { font-size: .72rem; background: rgba(255,255,255,.9); color: var(--x-ink); padding: 0 6px; border-radius: 999px; }
.xbbc .xbbc-logo-s { height: var(--h, 32px); width: auto; display: block; }
.xbbc .xbbc-versions .xbbc-logo-s { --h: 28px; display: inline-block; vertical-align: middle; border: 1px solid var(--x-line); border-radius: 4px; padding: 2px; }
.xbbc .xbbc-crits { display: grid; gap: 12px; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 900px) { .xbbc-crits { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }
.xbbc .xbbc-crit { border: 1px solid var(--x-line); border-radius: 10px; padding: 14px; min-width: 0; }
.xbbc .xbbc-crit h4 { margin-top: 0; }
.xbbc .xbbc-crit details summary { cursor: pointer; font-weight: 600; color: var(--x-accent); }
.xbbc .xbbc-crit details p { font-size: .88rem; color: var(--x-ink2); margin: 6px 0; }
.xbbc .xbbc-score { margin: 0 0 4px; }
.xbbc .xbbc-score[data-all="true"] b { color: var(--x-ok); }
.xbbc .xbbc-score[data-all="false"] b { color: var(--x-mid); }
.xbbc .xbbc-score[data-na="true"] b { color: var(--x-muted); }
.xbbc meter { width: 100%; height: 10px; }
.xbbc .xbbc-prio { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: .9rem; }
.xbbc .xbbc-prio[data-p="high"] { background: var(--x-bad-bg); color: var(--x-bad); }
.xbbc .xbbc-prio[data-p="medium"] { background: var(--x-mid-bg); color: var(--x-mid); }
.xbbc .xbbc-prio[data-p="low"] { background: var(--x-surface2); color: var(--x-ink2); }
.xbbc .xbbc-sugs { list-style: none; padding: 0; margin: 0 0 10px; display: grid; gap: 6px; }
.xbbc .xbbc-cta { margin-top: 24px; background: linear-gradient(135deg, #0B6E78, #0E7490); color: #fff; border-radius: 14px; padding: 20px; }
.xbbc .xbbc-cta h3 { color: #fff; margin-top: 0; }
.xbbc .xbbc-cta .xbbc-btn-primary { background: #fff; color: #0B6E78; border-color: #fff; }
.xbbc .xbbc-field { margin: 0 0 12px; display: grid; gap: 4px; border: 0; padding: 0; }
.xbbc .xbbc-field label, .xbbc .xbbc-field legend { font-weight: 600; }
.xbbc .xbbc-field .xbbc-in { width: 100%; }
.xbbc .xbbc-err { color: var(--x-bad); font-size: .88rem; margin: 0; }
.xbbc .xbbc-ok h2 { color: var(--x-ok); }
.xbbc .xbbc-row-actions { white-space: nowrap; }
.xbbc .xbbc-danger { margin-top: 24px; padding-top: 12px; border-top: 1px solid var(--x-line); }
.xbbc .xbbc-dialog { border: 0; border-radius: 14px; padding: 20px; max-width: min(560px, calc(100vw - 32px)); box-shadow: 0 20px 60px rgba(0,0,0,.25); color: var(--x-ink); }
.xbbc .xbbc-dialog::backdrop { background: rgba(20,24,31,.45); }
.xbbc .xbbc-dialog h3 { margin-top: 0; }
.xbbc .xbbc-foot { margin-top: 28px; padding-top: 12px; border-top: 1px solid var(--x-line); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 16px; font-size: .82rem; color: var(--x-muted); }
@media (max-width: 600px) {
  .xbbc { font-size: 15px; }
  .xbbc-nav a { padding: 8px 10px; font-size: .92rem; }
  .xbbc-steps li { font-size: .8rem; padding: 4px 10px 4px 4px; }
  .xbbc-table thead { display: none; }
  .xbbc-confirm-table td { display: block; }
}
@media print {
  .xbbc-head, .xbbc-nav, .xbbc-steps, .xbbc-noprint, .xbbc-foot a[href^="tel"], #xbbc-apply, .xbbc-sugs input { display: none !important; }
  .xbbc-crit, .xbbc-pv, .xbbc-pal { break-inside: avoid; }
  .xbbc-cta { display: none; }
}

.xbbc .xbbc-table .xbbc-in { min-width: 120px; width: 100%; }
.xbbc .xbbc-table select.xbbc-in { min-width: 150px; }