:root{
  --blue:#0f3b94; --blue-dark:#0c3285; --yellow:#ffd600; --cream:#f6f2ea; --paper:#fffcf5;
  --line:#e4dfd2; --text:#1d3a78; --muted:#5b6b8f;
  --serif:'Lora',Georgia,serif; --sans:'Inter',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--sans);background:var(--cream);color:var(--text);font-size:14px;line-height:1.6}
a{color:inherit;text-decoration:none}
ul{list-style:none}
a:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
.container{width:min(1000px,100% - 48px);margin-inline:auto}

/* Header */
.header{padding:26px 0}
.header__inner{display:flex;justify-content:space-between;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:12px;color:var(--blue)}
.brand__logo{width:40px;height:40px;flex:none;object-fit:contain;border-radius:2px}
.brand__name{display:block;font-family:var(--serif);font-size:21px;font-weight:600;line-height:1.2}
.brand small{display:block;font-size:9.5px;letter-spacing:.01em;color:var(--text);max-width:420px}
.tagline{font-family:var(--serif);font-style:italic;color:var(--blue);padding-left:16px;border-left:1px solid var(--line);font-size:13px}

/* Nav */
.mainnav{background:var(--blue)}
.mainnav__inner{display:flex}
.mainnav a{flex:1;text-align:center;padding:14px 8px;color:var(--yellow);font-size:12px;text-transform:uppercase;letter-spacing:.03em;position:relative;transition:background .2s}
.mainnav a:hover{background:var(--blue-dark)}
.mainnav a.is-active{background:var(--yellow);color:var(--blue-dark);font-weight:600}
.mainnav a.is-active::after{content:"";position:absolute;left:50%;bottom:8px;width:50px;height:2px;background:#e03131;transform:translateX(-50%)}

/* Intro */
.main{padding:28px 0 36px}
.intro{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:22px}
.eyebrow{display:flex;align-items:center;gap:10px;font-size:9px;text-transform:uppercase;letter-spacing:.05em;margin-bottom:2px}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--yellow)}
h1,h2{font-family:var(--serif);font-weight:500;color:var(--blue);line-height:1.25}
h1{font-size:34px}
.intro__note{max-width:210px;text-align:right;font-size:12px}

/* Featured */
.featured{display:grid;grid-template-columns:1.07fr 1fr;background:var(--paper);border:1px solid var(--line);border-radius:3px;overflow:hidden;margin-bottom:16px}
.featured__body{padding:22px 22px 24px}
.pin{display:flex;align-items:center;gap:6px;font-size:8.5px;text-transform:uppercase;letter-spacing:.04em;margin-bottom:14px}
.featured h2{font-size:21px;margin-bottom:14px}
.featured__body>p:not(.pin){font-size:12px;max-width:430px}
.featured__foot{display:flex;justify-content:space-between;align-items:center;margin-top:20px;gap:12px}
.btn{display:inline-flex;gap:10px;align-items:center;background:var(--blue);color:#fff;padding:10px 18px;border-radius:2px;font-size:11px;font-weight:500;transition:background .2s}
.btn:hover{background:var(--blue-dark)}
.muted{font-size:10px}
.featured__img{position:relative;min-height:260px;background:
  radial-gradient(ellipse 60px 80px at 50% 40%,#fff 0 40%,transparent 70%),
  radial-gradient(ellipse 140px 40px at 55% 82%,#7a5a22 0 60%,transparent 62%),
  linear-gradient(160deg,#e9e3d8,#cfc7b8)}
.featured__img figcaption{position:absolute;left:14px;bottom:10px;display:flex;align-items:center;gap:8px;font-family:var(--serif);font-style:italic;font-size:10px;color:var(--blue)}
.featured__img figcaption::before{content:"";width:26px;height:1px;background:var(--blue)}

/* Cards */
.cards{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:18px}
.card{display:flex;gap:14px;align-items:flex-start;background:var(--paper);border:1px solid var(--line);border-radius:3px;padding:16px 18px;transition:border-color .2s}
.card:hover{border-color:var(--blue)}
.card__icon{flex:none;width:36px;height:36px;border-radius:50%;background:var(--yellow);color:var(--blue);display:grid;place-items:center}
.card__text{flex:1;display:block}
.card small{display:block;font-size:8.5px;text-transform:uppercase;letter-spacing:.04em;font-weight:600}
.card strong{display:block;font-family:var(--serif);font-size:16px;font-weight:500;color:var(--blue);margin:2px 0 6px}
.card__text>span{font-size:11px}
.card__arrow{color:var(--blue)}

.disclaimer{display:flex;gap:8px;align-items:center;font-size:10px}

/* Footer */
.footer{background:var(--blue);color:var(--yellow);padding-top:30px}
.footer__grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px;padding-bottom:28px}
.brand--light{color:var(--yellow)}
.brand--light small{color:var(--yellow)}
.footer__about{font-size:11px;margin-top:14px;max-width:240px}
.footer h3{font-family:var(--serif);font-weight:500;font-size:15px;margin-bottom:12px}
.footer li{margin-bottom:8px;font-size:11px}
.footer p{font-size:11px}
.footer__link{display:inline-block;margin-top:14px;font-size:11px;color:#fff}
.footer a:hover{text-decoration:underline}
.footer__bottom{display:flex;justify-content:space-between;gap:16px;border-top:1px solid rgba(255,214,0,.2);padding:16px 0;font-size:9.5px}
.footer__bottom a+a{margin-left:20px}

/* Responsive */
@media (max-width:760px){
  .header__inner,.intro{flex-direction:column;align-items:flex-start}
  .tagline{border-left:0;padding-left:0}
  .intro__note{text-align:left;max-width:none}
  .mainnav__inner{overflow-x:auto}
  .mainnav a{flex:none;padding-inline:18px}
  .featured,.cards,.footer__grid{grid-template-columns:1fr}
  .featured__img{min-height:200px;order:-1}
  .footer__bottom{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* Pages (JS switching) */
.page{display:none}
.page.is-visible{display:block}
.chips{display:flex;gap:8px;margin-bottom:18px;flex-wrap:wrap}
.chip{font:inherit;font-size:12px;padding:6px 14px;border:1px solid var(--line);background:var(--paper);color:var(--blue);border-radius:99px;cursor:pointer}
.chip.is-on{background:var(--blue);color:#fff;border-color:var(--blue)}
.newslist,.events,.results{display:grid;gap:12px;list-style:none}
.news{display:flex;gap:20px;background:var(--paper);border:1px solid var(--line);border-radius:3px;padding:16px 20px}
.news[hidden]{display:none}
.news time{flex:none;font-size:11px;color:var(--muted);width:76px;padding-top:4px}
.news small,.results small{display:block;font-size:9px;text-transform:uppercase;letter-spacing:.04em;font-weight:600}
.news h3{font-family:var(--serif);font-weight:500;font-size:17px;color:var(--blue);margin:2px 0 4px}
.news p{font-size:12px}
.event{display:flex;align-items:center;gap:18px;background:var(--paper);border:1px solid var(--line);border-radius:3px;padding:14px 20px}
.event__date{flex:none;width:52px;height:52px;border-radius:50%;background:var(--yellow);color:var(--blue);display:grid;place-content:center;text-align:center;font-size:10px;line-height:1.1}
.event__date b{font-family:var(--serif);font-size:18px}
.event strong{display:block;font-family:var(--serif);font-weight:500;font-size:16px;color:var(--blue)}
.event small{font-size:11px}
.cards--stack{grid-template-columns:1fr}
.search{width:100%;font:inherit;padding:12px 16px;border:1px solid var(--line);background:var(--paper);color:var(--text);border-radius:3px;margin-bottom:16px}
.search:focus{outline:2px solid var(--blue);outline-offset:2px}
.results li a{display:block;background:var(--paper);border:1px solid var(--line);border-radius:3px;padding:12px 16px;color:var(--blue);font-family:var(--serif);font-size:15px}
.results li a:hover{border-color:var(--blue)}
.results .empty{font-size:12px}
.about{background:var(--paper);border:1px solid var(--line);border-radius:3px;padding:22px;max-width:640px;display:grid;gap:12px;font-size:13px}

/* Carousel & states */
.state{padding:24px;font-size:12px;color:var(--muted)}
.featured__slide{display:grid;grid-template-columns:1.07fr 1fr;grid-column:1/-1;animation:fadein .5s}
@keyframes fadein{from{opacity:0}to{opacity:1}}
.featured{display:block;position:relative}
.featured__dots{position:absolute;left:22px;bottom:10px;display:flex;gap:6px}
.featured__dots button{width:8px;height:8px;border-radius:50%;border:0;background:var(--line);cursor:pointer;padding:0}
.featured__dots button[aria-current="true"]{background:var(--blue);width:20px;border-radius:4px}
.featured__body{padding-bottom:34px}
@media (max-width:760px){.featured__slide{grid-template-columns:1fr}}

.brand small .quote__text{display:block}
.brand small .quote__author{display:block;width:100%;text-align:right;font-style:italic;margin-top:2px;opacity:.85}

/* Câu trích ở header (bên phải) */
.tagline{max-width:340px}
.tagline .quote__text{display:block}
.tagline .quote__author{display:block;width:100%;text-align:right;font-size:11px;margin-top:4px;opacity:.85}

/* Tin đạo sự dạng mục báo */
a.news{align-items:stretch;gap:20px;transition:border-color .2s}
a.news:hover{border-color:var(--blue)}
.news__text{flex:1;min-width:0}
.news__text p{font-size:13px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news__img{flex:none;width:180px;min-height:110px;border-radius:2px;background:linear-gradient(160deg,#e9e3d8,#cfc7b8) center/cover}
.article{background:var(--paper);border:1px solid var(--line);border-radius:3px;padding:24px;max-width:720px;display:grid;gap:14px;font-size:14px}
.article small{font-size:11px;color:var(--muted)}
.article h2{font-size:26px}
.article__img{width:100%;max-height:360px;object-fit:cover;border-radius:2px}
.back{color:var(--blue);font-size:12px}
.article[hidden],#newsindex[hidden]{display:none}

/* Lịch Đạo */
.cal__bar{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.cal__bar strong{flex:1;font-family:var(--serif);font-size:20px;font-weight:500;color:var(--blue)}
.cal__bar button{font:inherit;cursor:pointer;border:1px solid var(--line);background:var(--paper);color:var(--blue);border-radius:3px;padding:6px 14px}
.cal{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;background:var(--paper);border:1px solid var(--line);border-radius:3px;padding:14px;margin-bottom:12px}
.cal__wd{text-align:center;font-size:11px;font-weight:600;color:var(--muted)}
.cal__day{font:inherit;aspect-ratio:1;border:2px solid transparent;border-radius:50%;background:#fff;color:var(--blue);cursor:pointer;display:grid;place-content:center;text-align:center;line-height:1.15;position:relative}
.cal__day b{font-size:15px}
.cal__day small{font-size:10px;color:var(--muted)}
.cal__day.is-trai{background:#d6ecd2}
.cal__day.is-via{background:#f8c9c4;color:#b42318}
.cal__day.is-via small{color:#b42318}
.cal__day.has-ev::after{content:"";position:absolute;bottom:4px;left:50%;width:5px;height:5px;margin-left:-2.5px;border-radius:50%;background:var(--blue)}
.cal__day.is-today{border-color:var(--blue);border-radius:0}
.cal__day.is-sel{outline:2px solid var(--yellow);outline-offset:1px}
.legend{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:12px;margin-bottom:14px}
.legend li{display:flex;align-items:center;gap:6px}
.sw{width:14px;height:14px;border-radius:50%;display:inline-block;border:1px solid var(--line);background:#fff}
.sw--today{border:2px solid var(--blue);border-radius:0}
.sw--trai{background:#d6ecd2}
.sw--via{background:#f8c9c4}
.sw--ev{width:6px;height:6px;background:var(--blue);border:0;margin:4px}
.cal__detail{background:var(--paper);border:1px solid var(--line);border-radius:3px;padding:14px 18px;margin-bottom:14px;font-size:13px}

/* Tài liệu (mục lục) */
.doc{background:var(--paper);border:1px solid var(--line);border-radius:3px;margin-bottom:12px}
.doc summary{cursor:pointer;padding:14px 20px;display:flex;justify-content:space-between;align-items:baseline;list-style:none}
.doc summary::-webkit-details-marker{display:none}
.doc summary strong{font-family:var(--serif);font-size:17px;font-weight:500;color:var(--blue)}
.doc summary small{font-size:11px;color:var(--muted)}
.doc ul{border-top:1px solid var(--line)}
.doc li a{display:block;padding:11px 20px;color:var(--blue);border-bottom:1px solid var(--line)}
.doc li:last-child a{border-bottom:0}
.doc li a:hover{background:var(--cream)}

/* Thông tin (mục lục) */
.info{display:grid;grid-template-columns:240px 1fr;gap:24px;align-items:start}
.info__toc{display:grid;background:var(--paper);border:1px solid var(--line);border-radius:3px}
.info__toc a{padding:12px 16px;border-bottom:1px solid var(--line);color:var(--blue)}
.info__toc a:last-child{border-bottom:0}
.info__toc a.is-on{background:var(--yellow);font-weight:600}
.info__body{background:var(--paper);border:1px solid var(--line);border-radius:3px;padding:24px;display:grid;gap:12px;font-size:14px;min-height:200px;align-content:start}
@media (max-width:760px){.info{grid-template-columns:1fr}.news__img{width:96px;min-height:80px}.cal{gap:3px;padding:8px}}

/* Lịch Đạo: số to = ngày âm, số nhỏ = ngày dương; tiêu đề theo can chi */
.cal__bar strong small{display:block;font-family:var(--sans);font-size:12px;font-weight:400;color:var(--muted);margin-top:2px}
.cal__day b.is-first{font-size:12px}
.cal__day small{font-size:10px;color:var(--muted)}


/* Đi tới ngày cụ thể */
.go{background:var(--paper);border:1px solid var(--line);border-radius:3px;padding:16px 18px;margin-bottom:16px}
.go__title{font-family:var(--serif);font-size:16px;color:var(--blue);margin-bottom:10px}
.go__groups{display:grid;grid-template-columns:3fr 2fr;gap:14px}
.go fieldset{border:1px solid var(--line);border-radius:3px;padding:8px 12px 12px;display:flex;flex-wrap:wrap;gap:10px 12px;align-items:flex-end;min-width:0}
.go legend{padding:0 6px;font-size:12px;font-weight:600;color:var(--muted)}
.go label{display:grid;gap:3px;font-size:11px;color:var(--muted)}
.go select,.go input[type=number]{font:inherit;font-size:13px;color:var(--text);background:#fff;border:1px solid var(--line);border-radius:3px;padding:7px 8px;min-width:0}
.go select{min-width:74px}
.go input[type=number]{width:100px}
.go select:focus,.go input:focus{outline:2px solid var(--blue);outline-offset:1px}
.go .go__leap{display:flex;align-items:center;gap:6px;padding-bottom:8px;color:var(--text);font-size:12px}
.go__actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:12px}
button.btn{border:0;font:inherit;font-size:12px;font-weight:500;cursor:pointer}
.go__reset{font:inherit;font-size:12px;cursor:pointer;border:1px solid var(--line);background:#fff;color:var(--blue);border-radius:2px;padding:9px 16px}
.go__hint{font-size:11px;color:var(--muted);flex:1;min-width:220px}
.go__msg{font-size:12px;color:#b42318;margin-top:8px}
.go__msg:empty{display:none}
@media (max-width:760px){.go__groups{grid-template-columns:1fr}.go select{min-width:64px}}