/* YHDP – giao diện website. Màu theo bộ nhận diện AnTiem-YHDP v1. */
:root {
  --xanh: #3DB896;
  --xanh-ngoc: #0B7A62;
  --xanh-dam: #17785E;
  --xanh-bong: #2FA383;
  --xanh-nhat: #E3F4EE;
  --than: #14302A;
  --chu-phu: #4E6660;
  --nen: #F6FAF8;
  --the: #FFFFFF;
  --vien: #D5E6DF;
  --do: #E85A4F;
  --do-chu: #B3261E;
  --do-nhat: #FDECEA;
  --vang: #F5B83D;
  --vang-nhat: #FEF4DE;
  --bo: 14px;
  --bong: 0 1px 2px rgb(20 48 42 / 6%), 0 4px 16px rgb(20 48 42 / 6%);
  --font: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 80px; }
body { margin: 0; font-family: var(--font); font-size: 1.0625rem; line-height: 1.65; color: var(--than); background: var(--nen); }
img, svg { max-width: 100%; height: auto; }
a { color: var(--xanh-dam); text-underline-offset: 3px; }
a:hover { color: var(--xanh-ngoc); }
h1, h2, h3, h4 { line-height: 1.25; margin: 1.6em 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(1.75rem, 1.2rem + 2.2vw, 2.6rem); margin-top: .2em; }
h2 { font-size: clamp(1.3rem, 1.1rem + .9vw, 1.7rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
:focus-visible { outline: 3px solid var(--vang); outline-offset: 2px; border-radius: 4px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: absolute; left: 16px; top: -48px; background: var(--than); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { top: 8px; color: #fff; }
.wrap { width: 100%; max-width: 1140px; margin: 0 auto; padding: 0 16px; }
.muted { color: var(--chu-phu); }
.small { font-size: .9rem; }
.icon { width: 1.25em; height: 1.25em; vertical-align: -.25em; flex: none; fill: none; stroke: currentColor; }
.icon-sm { width: 1em; height: 1em; vertical-align: -.15em; }

/* ---- Header ---- */
.site-header { position: sticky; top: 0; z-index: 50; background: rgb(255 255 255 / 96%); backdrop-filter: blur(8px); border-bottom: 1px solid var(--vien); }
.header-row { display: flex; align-items: center; gap: 16px; min-height: 64px; }
.logo { display: flex; flex: none; }
.logo img { height: 40px; width: auto; }
.nav { display: flex; align-items: center; gap: 2px; margin-left: auto; flex-wrap: wrap; justify-content: flex-end; }
.nav a { padding: 8px 10px; border-radius: 10px; text-decoration: none; color: var(--than); font-weight: 500; font-size: .95rem; white-space: nowrap; }
.nav a:hover { background: var(--xanh-nhat); color: var(--than); }
.nav a[aria-current="page"] { background: var(--xanh-nhat); color: var(--xanh-dam); font-weight: 600; }
.nav .nav-alert { color: var(--do-chu); }
.nav-search { display: inline-flex; align-items: center; gap: 6px; }
.nav-toggle { display: none; margin-left: auto; width: 44px; height: 44px; border: 1px solid var(--vien); border-radius: 12px; background: var(--the); cursor: pointer; position: relative; }
.nav-toggle-bar, .nav-toggle-bar::before, .nav-toggle-bar::after { position: absolute; left: 11px; width: 20px; height: 2px; background: var(--than); border-radius: 2px; content: ""; transition: transform .2s; }
.nav-toggle-bar { top: 20px; }
.nav-toggle-bar::before { left: 0; top: -6px; }
.nav-toggle-bar::after { left: 0; top: 6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::after { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 1040px) {
  .nav-toggle { display: block; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 64px; flex-direction: column; align-items: stretch; background: var(--the); border-bottom: 1px solid var(--vien); padding: 8px 16px 16px; box-shadow: var(--bong); }
  .nav.is-open { display: flex; }
  .nav a { padding: 12px; font-size: 1rem; }
}

/* ---- Breadcrumb ---- */
.crumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 4px; padding: 14px 0 0; margin: 0 auto; font-size: .9rem; color: var(--chu-phu); }
.crumbs li + li::before { content: "›"; margin-right: 4px; }
.crumbs a { color: var(--chu-phu); }

/* ---- Thành phần chung ---- */
.page { padding-top: 12px; padding-bottom: 56px; }
.page-head { max-width: 820px; }
.lead { font-size: 1.15rem; color: var(--chu-phu); max-width: 760px; }
.section { margin-top: 40px; }
.section-title { margin-top: 0; }
.section-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.section-head h2 { margin: 0; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 10px 18px; border: 0; border-radius: 12px; background: var(--xanh-dam); color: #fff; font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; }
.btn:hover { background: var(--xanh-ngoc); color: #fff; }
.btn-ghost { background: var(--the); color: var(--xanh-dam); border: 1px solid var(--vien); }
.btn-ghost:hover { background: var(--xanh-nhat); color: var(--xanh-dam); }
.btn-block { display: flex; width: 100%; margin-top: 12px; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0; }
.tag { display: inline-block; padding: 2px 10px; border-radius: 999px; background: #EEF3F1; color: var(--chu-phu); font-size: .8rem; font-weight: 600; line-height: 1.6; }
.tag-ok { background: var(--xanh-nhat); color: var(--xanh-dam); }
.tag-warn { background: var(--do-nhat); color: var(--do-chu); }
.tag-note { background: var(--vang-nhat); color: #7A5200; }
.alert { padding: 12px 16px; border-radius: 12px; background: var(--vang-nhat); border-left: 4px solid var(--vang); }
.note { padding: 14px 16px; border-radius: 12px; background: var(--xanh-nhat); margin: 16px 0; }
.note p:last-child { margin-bottom: 0; }
.provenance { font-size: .88rem; color: var(--chu-phu); display: flex; gap: 6px; align-items: baseline; flex-wrap: wrap; }
.panel { background: var(--the); border: 1px solid var(--vien); border-radius: var(--bo); padding: 18px 20px; margin-bottom: 16px; }
.panel h2 { font-size: 1.1rem; margin: 0 0 10px; display: flex; gap: 8px; align-items: center; }
.panel-ok { border-top: 4px solid var(--xanh); }
.panel-warn { border-top: 4px solid var(--do); }
.panel ul { padding-left: 1.2em; margin: 0; }
.panel li + li { margin-top: 6px; }
.two-col { display: grid; gap: 32px; margin-top: 24px; }
@media (min-width: 900px) { .two-col { grid-template-columns: minmax(0, 1fr) 340px; } .two-col.care { grid-template-columns: 1fr 1fr; } }
.two-col > aside { align-self: start; }
.prose { max-width: 760px; }
.prose h2:first-child { margin-top: 0; }
.link-list { list-style: none; padding: 0; margin: 0 0 12px; }
.link-list li { padding: 8px 0; border-bottom: 1px solid var(--vien); }
.link-list li:last-child { border-bottom: 0; }
.facts { display: grid; grid-template-columns: max-content 1fr; gap: 6px 14px; margin: 0; }
.facts dt { color: var(--chu-phu); font-size: .92rem; }
.facts dd { margin: 0; }

/* ---- Thẻ ---- */
.cards { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); margin-bottom: 16px; }
.card { background: var(--the); border: 1px solid var(--vien); border-radius: var(--bo); padding: 18px 20px; box-shadow: var(--bong); }
.card h3 { margin: 0 0 6px; font-size: 1.08rem; }
.card h3 a { text-decoration: none; color: var(--than); }
.card h3 a:hover { color: var(--xanh-dam); text-decoration: underline; }
.card p:last-child { margin-bottom: 0; }
.card-kicker { font-size: .82rem; color: var(--xanh-dam); font-weight: 600; text-transform: uppercase; letter-spacing: .03em; margin-bottom: 6px; }
.card-kicker a { text-decoration: none; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0 20px; }
.chip { display: inline-block; padding: 8px 14px; border-radius: 999px; background: var(--the); border: 1px solid var(--vien); color: var(--than); text-decoration: none; font-weight: 500; }
.chip:hover, .chip-active { background: var(--xanh-nhat); border-color: var(--xanh); color: var(--xanh-dam); }

/* ---- Trang chủ ---- */
.hero { background: linear-gradient(160deg, var(--xanh-nhat), var(--nen) 70%); padding: 40px 0 48px; border-bottom: 1px solid var(--vien); }
.hero-grid { display: grid; gap: 28px; align-items: center; }
@media (min-width: 900px) { .hero-grid { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); } }
.eyebrow { color: var(--xanh-dam); font-weight: 600; margin-bottom: 6px; }
.hero h1 { margin-bottom: 12px; }
.hero-stats { color: var(--chu-phu); font-size: .95rem; margin-top: 14px; }
.hero-stats strong { color: var(--than); }
.search-box { display: flex; align-items: center; gap: 8px; background: var(--the); border: 2px solid var(--vien); border-radius: 16px; padding: 6px 6px 6px 14px; max-width: 640px; margin: 16px 0; box-shadow: var(--bong); }
.search-box:focus-within { border-color: var(--xanh); }
.search-box > .icon { color: var(--chu-phu); }
.search-box input { flex: 1; min-width: 0; border: 0; outline: 0; font: inherit; padding: 8px 4px; background: transparent; }
.alert-stack { display: grid; gap: 14px; }
.alert-card { display: flex; gap: 14px; padding: 18px 20px; border-radius: var(--bo); background: var(--the); border: 1px solid #F3C9C4; border-left: 5px solid var(--do); color: var(--than); text-decoration: none; box-shadow: var(--bong); }
.alert-card:hover { color: var(--than); border-color: var(--do); }
.alert-card strong { display: block; font-size: 1.1rem; margin-bottom: 4px; color: var(--do-chu); }
.alert-icon { flex: none; width: 44px; height: 44px; border-radius: 12px; background: var(--do-nhat); color: var(--do-chu); display: grid; place-items: center; }
.alert-icon .icon { width: 24px; height: 24px; }
.tiles { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
.tile { display: flex; flex-direction: column; gap: 6px; padding: 20px; border-radius: var(--bo); background: var(--the); border: 1px solid var(--vien); text-decoration: none; color: var(--than); box-shadow: var(--bong); }
a.tile:hover { border-color: var(--xanh); color: var(--than); }
.tile > .icon { width: 32px; height: 32px; color: var(--xanh-dam); background: var(--xanh-nhat); padding: 6px; border-radius: 10px; box-sizing: content-box; }
.tile strong { font-size: 1.08rem; }
.tile span { color: var(--chu-phu); font-size: .95rem; }
.band { margin-top: 48px; background: var(--than); color: #E7F2EE; padding: 40px 0; }
.band h2 { color: #fff; margin-top: 0; }
.band .muted { color: #A9C4BC; }
.band-grid { display: grid; gap: 24px; align-items: center; }
@media (min-width: 800px) { .band-grid { grid-template-columns: 1fr auto; } }
.band img { width: 200px; background: #fff; border-radius: 24px; padding: 18px; }
.checks { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 10px 24px; }
.checks li { display: flex; gap: 8px; align-items: center; }
.checks .icon { color: var(--xanh); }

/* ---- Hỏi đáp ---- */
.faq details { background: var(--the); border: 1px solid var(--vien); border-radius: 12px; margin-bottom: 10px; }
.faq summary { cursor: pointer; padding: 14px 44px 14px 18px; font-weight: 600; list-style: none; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 18px; top: 12px; font-size: 1.4rem; color: var(--xanh-dam); line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq-answer { padding: 0 18px 14px; }
.source { font-size: .85rem; color: var(--chu-phu); }

/* ---- Phác đồ, lịch tiêm ---- */
.regimen { background: var(--the); border: 1px solid var(--vien); border-radius: var(--bo); padding: 18px 20px; margin: 16px 0; }
.regimen h3, .regimen h4 { margin-top: 0; }
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 8px 0 12px; }
table { width: 100%; border-collapse: collapse; font-size: .95rem; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--vien); vertical-align: top; }
thead th { background: var(--xanh-nhat); color: var(--xanh-dam); font-weight: 600; white-space: nowrap; }
tbody th { font-weight: 600; }
@media (max-width: 600px) {
  thead th { white-space: normal; }
  th, td { padding: 8px; }
  tbody th { min-width: 96px; }
}
.status { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: .82rem; font-weight: 600; white-space: nowrap; }
.status-ok { background: var(--xanh-nhat); color: var(--xanh-dam); }
.status-warn { background: var(--do-nhat); color: var(--do-chu); }
.status-due { background: var(--vang-nhat); color: #7A5200; }
.status-note { background: #EEF3F1; color: var(--chu-phu); }
.status-muted { background: #EEF3F1; color: var(--chu-phu); }
.warnings { padding-left: 1.2em; color: #7A5200; }
.tool-form { display: flex; flex-wrap: wrap; gap: 14px; align-items: flex-end; background: var(--the); border: 1px solid var(--vien); border-radius: var(--bo); padding: 18px 20px; margin: 16px 0; }
.field { display: flex; flex-direction: column; gap: 6px; min-width: 180px; flex: 1; }
.field-wide { flex: 2; min-width: 260px; }
.field label, .filters label { font-weight: 600; font-size: .95rem; }
input[type="date"], select { font: inherit; min-height: 44px; padding: 8px 12px; border: 1px solid var(--vien); border-radius: 10px; background: #fff; color: var(--than); max-width: 100%; }
.filters { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 12px 0; }
.result-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.result-head h2, .result-head h3 { margin: 0; }

/* ---- Chuyên trang khẩn cấp ---- */
.first-aid { background: var(--do-nhat); border: 1px solid #F3C9C4; border-radius: var(--bo); padding: 20px 22px; margin-top: 20px; }
.first-aid h2 { margin-top: 0; color: var(--do-chu); display: flex; gap: 10px; align-items: center; }
.steps { padding-left: 1.4em; margin: 0; }
.steps li { margin-bottom: 10px; padding-left: 4px; }
.warning-signs { padding-left: 1.2em; margin: 0 0 12px; }
.warning-signs li { margin-bottom: 6px; }
.grades { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grade { background: var(--the); border: 1px solid var(--vien); border-top: 5px solid #B8CCC5; border-radius: var(--bo); padding: 16px 18px; }
.grade h3 { margin: 0 0 4px; }
.grade-2 { border-top-color: var(--vang); }
.grade-3 { border-top-color: var(--do); }
.grade-ok { border-top-color: var(--xanh); }
.grade-action { font-weight: 600; margin-bottom: 0; }
.ci-list { padding-left: 1.2em; }
.ci-list li { margin-bottom: 10px; }
.reaction { border-left: 4px solid var(--vien); padding: 4px 0 4px 14px; margin: 12px 0; }
.reaction-serious { border-left-color: var(--do); }
.reaction h3 { margin: 0 0 4px; font-size: 1.05rem; }

/* ---- Điểm tiêm ---- */
.map { height: min(60vh, 440px); border-radius: var(--bo); border: 1px solid var(--vien); background: var(--xanh-nhat); margin: 12px 0; }
.map-tools { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.clinic-list { list-style: none; padding: 0; display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.clinic { background: var(--the); border: 1px solid var(--vien); border-radius: var(--bo); padding: 16px 18px; }
.clinic.is-highlight { border-color: var(--xanh); box-shadow: 0 0 0 3px var(--xanh-nhat); }
.clinic h2 { font-size: 1.08rem; margin: 0 0 6px; }
.clinic-meta { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: .95rem; }
.distance { font-size: .85rem; color: var(--xanh-dam); font-weight: 600; white-space: nowrap; }
.doc-list { list-style: none; padding: 0; }
.doc-list li { background: var(--the); border: 1px solid var(--vien); border-radius: var(--bo); padding: 16px 20px; margin-bottom: 12px; }
.doc-list h2 { font-size: 1.1rem; margin: 0 0 4px; }

/* ---- Trang lỗi, pháp lý ---- */
.error-page { text-align: center; padding-top: 48px; }
.error-page .search-box { margin: 20px auto; }
.error-code { font-size: 4rem; font-weight: 700; color: var(--xanh); margin: 0; line-height: 1; }
.legal h2 { font-size: 1.25rem; }

/* ---- Footer ---- */
.site-footer { background: var(--than); color: #C9DDD6; padding: 36px 0 24px; margin-top: 40px; font-size: .95rem; }
.band + .site-footer, main:has(> .band:last-child) + .site-footer { margin-top: 0; }
.site-footer a { color: #E7F2EE; }
.site-footer h2 { color: #fff; font-size: 1rem; margin: 0 0 10px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 6px; }
.disclaimer { display: flex; gap: 10px; background: rgb(255 255 255 / 6%); border-radius: 12px; padding: 14px 16px; color: #E7F2EE; }
.disclaimer .icon { color: var(--vang); margin-top: 3px; }
.footer-grid { display: grid; gap: 24px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); margin-top: 24px; }
.footer-grid img { margin-bottom: 8px; }
.copyright { margin: 24px 0 0; color: #8FAAA2; font-size: .85rem; }

/* ---- In ---- */
@media print {
  .site-header, .site-footer, .crumbs, .no-print, .first-aid, .faq, .section-head a { display: none !important; }
  body { background: #fff; font-size: 11pt; }
  .regimen, .panel, .card { box-shadow: none; break-inside: avoid; }
  a { color: inherit; text-decoration: none; }
}

@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }