/* Bố cục: cái tháp là thanh điều hướng, các phần dưới là hồ sơ của tháp.
   Màu: trắng ngọc hơi xanh, vàng kim, mực xanh sẫm. Đêm là Thiên Giới về khuya. */
:root {
  --nen: #EEF4F0;
  --nen-2: #E1EBE5;
  --mat: #FBFDFB;
  --chu: #16302B;
  --chu-nhat: #4B6159;
  --vang: #94701A;
  --vang-sang: #D9B44A;
  --vien: #C7D6CD;
  --ngoc: #FBFDFB;
  --mai: #F3EFDD;
  --dem: #10211E;
  --dem-chu: #E9F1EC;
  --dem-nhat: #A9BDB4;
  --hieu: 0.5;
  --tieu-de: "Cormorant", "Noto Serif", Georgia, serif;
  --noi-dung: "Be Vietnam Pro", "Segoe UI", system-ui, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --nen: #0D1A18; --nen-2: #13241F; --mat: #172B26; --chu: #E9F1EC; --chu-nhat: #A9BDB4;
    --vang: #E3BE5A; --vien: #2C443C; --ngoc: #DDE8E1; --mai: #B9A566; --dem: #081210;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --nen: #0D1A18; --nen-2: #13241F; --mat: #172B26; --chu: #E9F1EC; --chu-nhat: #A9BDB4;
  --vang: #E3BE5A; --vien: #2C443C; --ngoc: #DDE8E1; --mai: #B9A566; --dem: #081210;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 64px; }
body { margin: 0; background: var(--nen); color: var(--chu); font: 400 16px/1.65 var(--noi-dung); }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 10; background: var(--nen); }
img { max-width: 100%; display: block; }
h1, h2, h3 { font-family: var(--tieu-de); font-weight: 600; line-height: 1.1; margin: 0; text-wrap: balance; }
h1 { font-size: clamp(3.2rem, 8vw, 6rem); font-weight: 700; letter-spacing: -0.01em; }
h2 { font-size: clamp(2.2rem, 5vw, 3.4rem); }
h3 { font-size: 1.6rem; }
p { margin: 0; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--vang); outline-offset: 3px; }
.nhan { font-size: .78rem; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; color: var(--vang); }
.chu-nho { font-size: .88rem; color: var(--chu-nhat); }

.thanh { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5; background: var(--nen); border-bottom: 1px solid var(--vien); }
.thanh-trong { display: flex; gap: 22px; align-items: baseline; max-width: 1200px; margin: 0 auto; overflow-x: auto; scrollbar-width: none;
  padding-block: 12px; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.thanh a { font-size: .9rem; text-decoration: none; white-space: nowrap; color: var(--chu-nhat); }
.thanh a:hover { color: var(--vang); }
.thanh .ten-thap { font: 700 1.3rem var(--tieu-de); color: var(--chu); margin-right: auto; }

.mo-dau-trong { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 480px); gap: 40px; max-width: 1200px; margin: 0 auto; align-items: start;
  padding-block: 36px 24px; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.cot-chu { display: grid; gap: 14px; min-width: 0; }
.dan { font-size: 1.1rem; max-width: 56ch; color: var(--chu-nhat); }
.cot-thap { position: sticky; top: 60px; min-width: 0; }
#ve-thap svg { display: block; width: 100%; height: auto; max-height: calc(100vh - 120px); margin: 0 auto; }
.goi-y { text-align: center; font-size: .85rem; color: var(--chu-nhat); min-height: 2.8em; }

/* Vẽ tháp */
.tuong { fill: var(--ngoc); stroke: var(--vien); stroke-width: 1; transition: fill .2s; }
.mai { fill: var(--mai); stroke: var(--vang-sang); stroke-width: 1.6; }
.cua { fill: var(--vang); opacity: .32; }
.ten-tang { font: 600 13px var(--noi-dung); fill: #1B3A33; text-anchor: middle; pointer-events: none; }
.tang { cursor: pointer; outline: none; }
.tang:hover .tuong, .tang:focus-visible .tuong { fill: var(--vang-sang); }
.tang.chon .tuong { fill: var(--mau-tang); }
.tang.chon .ten-tang { fill: #fff; paint-order: stroke; stroke: rgba(0,0,0,.45); stroke-width: 2.5px; }
.tang.chon .mai { stroke-width: 2.6; }
.den { stroke: none; }
.day { stroke: var(--vang-sang); stroke-width: .8; }
.nen-thap { fill: var(--nen-2); stroke: var(--vang-sang); stroke-width: 1.4; }
.chop { fill: none; stroke: var(--vang-sang); stroke-width: 3; }
.mat-troi { cursor: pointer; }
.mat-troi circle.loi { fill: var(--vang-sang); }
.mat-troi .tia { stroke: var(--vang-sang); stroke-width: 2.4; stroke-linecap: round; }
.mat-troi.rung { animation: rung .5s; transform-origin: 200px 52px; }
.suong { fill: var(--vien); opacity: .96; transition: opacity 1.2s; pointer-events: none; }
.da-mo .suong { opacity: 0; }
@keyframes rung { 25% { transform: rotate(-8deg) scale(1.08); } 75% { transform: rotate(8deg) scale(1.08); } }
@keyframes thu-hoi { 50% { opacity: .55; } }
.den { animation: thu-hoi 3.2s ease-in-out infinite; }

/* Ô tầng */
.o-tang { background: var(--mat); border: 1px solid var(--vien); border-top: 4px solid var(--mau-tang, var(--vang)); margin-top: 8px; }
.anh-tang { aspect-ratio: 16 / 9; width: 100%; object-fit: cover; }
.o-tang-trong { padding: 20px; display: grid; gap: 12px; }
.o-tang h2 { font-size: clamp(2rem, 4vw, 2.8rem); }
.so-tang { font: italic 500 1.1rem var(--tieu-de); color: var(--vang); }
.dong { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 10px; font-size: .95rem; }
.dong b { font-weight: 500; color: var(--chu-nhat); }
.nguoi-tang { display: flex; flex-wrap: wrap; gap: 8px; }
.chip-nv { display: inline-flex; align-items: center; gap: 8px; padding: 4px 12px 4px 4px; border: 1px solid var(--vien); background: var(--nen); color: var(--chu); font: 500 .88rem var(--noi-dung); cursor: pointer; border-radius: 999px; }
.chip-nv:hover { border-color: var(--vang); }
.chip-nv .chan-dung { width: 30px; height: 30px; border-radius: 50%; aspect-ratio: auto; font-size: 1rem; }
.chip-nv.chinh { border-color: var(--vang); }
.nut-tang { display: flex; gap: 8px; }
.nut-tang button { flex: 1; padding: 9px; background: none; border: 1px solid var(--vien); color: var(--chu); font: 500 .88rem var(--noi-dung); cursor: pointer; }
.nut-tang button:hover:not(:disabled) { border-color: var(--vang); color: var(--vang); }
.nut-tang button:disabled { opacity: .4; cursor: default; }

/* Các khối */
.khoi { padding-block: 64px; }
.khung { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: minmax(0, 1fr); gap: 18px;
  padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.khung > * { min-width: 0; }
.khung h3 { margin-top: 28px; }
.nen-ngoc { background: var(--nen-2); }
.nen-dem { background: var(--dem); color: var(--dem-chu); }
.nen-dem .nhan { color: var(--vang-sang); }
.bang-toan { padding: 0; }
.bang-toan img { width: 100%; max-height: 520px; object-fit: cover; }

.loc { display: flex; flex-wrap: wrap; gap: 8px; }
.loc button { padding: 7px 14px; background: none; border: 1px solid var(--vien); color: var(--chu-nhat); font: 500 .88rem var(--noi-dung); cursor: pointer; }
.loc button[aria-pressed="true"] { background: var(--chu); color: var(--nen); border-color: var(--chu); }
.luoi { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 16px; }
.nv { display: grid; gap: 8px; align-content: start; padding: 0; background: none; border: 0; color: inherit; text-align: left; font: inherit; cursor: pointer; }
.nv:hover .chan-dung { box-shadow: 0 0 0 2px var(--vang-sang); }
.nv h3 { font-size: 1.4rem; margin-top: 0; }
.nv small { color: var(--chu-nhat); font-size: .84rem; line-height: 1.4; display: block; }
.chan-dung { position: relative; overflow: hidden; aspect-ratio: 3 / 4; display: grid; place-items: center; background: color-mix(in srgb, var(--mau, #94701A) 22%, var(--mat)); color: var(--mau, var(--vang)); font: 700 3.4rem var(--tieu-de); }
.chan-dung img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top; }

.ds-luat { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px 40px; counter-reset: luat; }
.ds-luat li { counter-increment: luat; display: grid; grid-template-columns: 52px minmax(0, 1fr); gap: 4px 8px; }
.ds-luat li::before { content: counter(luat); grid-row: span 2; font: 500 2.6rem/1 var(--tieu-de); color: var(--vang); }
.ds-luat h3 { margin: 0; font-size: 1.45rem; }
.ds-luat p { color: var(--chu-nhat); font-size: .95rem; }

.ds-to-chuc { display: grid; }
.cap { display: grid; grid-template-columns: 170px 240px minmax(0, 1fr); gap: 16px; padding: 14px 0; border-top: 1px solid var(--vien); align-items: baseline; }
.cap span { font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; color: var(--vang); }
.cap b { font: 600 1.35rem/1.15 var(--tieu-de); }
.cap p { color: var(--chu-nhat); font-size: .95rem; }
.cap.che b, .cap.che p { color: var(--chu-nhat); font-style: italic; }

.hai-cot { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 40px; }
.ba-cot { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px 32px; }
.hai-cot h3, .ba-cot h3 { margin: 0 0 6px; font-size: 1.45rem; }
.hai-cot p, .ba-cot p { font-size: .95rem; color: var(--chu-nhat); }
.ds-hau-can { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px 32px; }
.ds-hau-can li { display: grid; font-size: .92rem; color: var(--chu-nhat); }
.ds-hau-can b { font: 600 1.2rem var(--tieu-de); color: var(--chu); }

.ds-wi { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 20px; }
.tk { background: var(--mat); border: 1px solid var(--vien); display: grid; grid-template-columns: minmax(0, 1fr); align-content: start; min-width: 0; }
.ky .sat b { color: var(--vang); }
.tk img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.tk-chu { padding: 12px 14px; display: grid; grid-template-columns: minmax(0, 1fr); gap: 5px; justify-items: start; min-width: 0; }
.tk-chu b { font: 600 1.4rem/1.15 var(--tieu-de); }
.tk-chu p { font-size: .88rem; color: var(--chu-nhat); }
.tk-chu em { font-style: normal; font-weight: 500; color: var(--chu); }
.cap-bv { font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--chu-nhat); }
.cap-bv.WI, .cap-bv.SWI { color: var(--vang); }
.nguoi-giu { padding: 0; background: none; border: 0; border-bottom: 1px solid var(--vang); color: var(--vang); font: 500 .88rem var(--noi-dung); cursor: pointer; }
.tk.che b { color: var(--chu-nhat); font-style: italic; }
.tk.che span { font-size: .84rem; color: var(--chu-nhat); }
.bao-anh { display: grid; gap: 8px; }
.bao-anh figure { margin: 0; display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 10px; align-items: center; }
.bao-anh img { width: 64px; height: 64px; object-fit: cover; }
.bao-anh b { font-weight: 600; }
.bao-anh i { font-style: normal; font-size: .75rem; color: var(--vang); }
.bao-anh span { display: block; font-size: .84rem; color: var(--chu-nhat); }

.chien ul, .chien ol { margin: 0; padding-left: 20px; display: grid; gap: 6px; color: var(--dem-nhat); font-size: .95rem; }
.chien h3 { color: var(--vang-sang); }

.ds-chuong { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.chuong { display: grid; gap: 6px; align-content: start; }
.chuong h3 { margin-top: 0; }
.chuong span { font: italic 500 1.05rem var(--tieu-de); color: var(--vang); }
.chuong p { color: var(--chu-nhat); font-size: .95rem; }
.chuong.cho h3 { color: var(--chu-nhat); font-style: italic; }

.sang { color: var(--dem-nhat); }
.cuon-ngang { overflow-x: auto; }
.bang-toc { width: 100%; min-width: 640px; border-collapse: collapse; font-size: .92rem; }
.bang-toc th, .bang-toc td { padding: 10px 14px 10px 0; text-align: left; vertical-align: top; border-top: 1px solid rgba(255, 255, 255, .14); }
.bang-toc thead th { border-top: 0; font: 500 .76rem var(--noi-dung); letter-spacing: .1em; text-transform: uppercase; color: var(--vang-sang); }
.bang-toc tbody th { font: 600 1.2rem var(--tieu-de); color: var(--dem-chu); white-space: nowrap; }
.bang-toc td { color: var(--dem-nhat); }
.bang-toc td:last-child { color: #F0B39A; }
.the-chu h3 { margin: 6px 0 0; font-size: 1.4rem; }
.ky { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.ky li { display: grid; font-size: .92rem; }
.ky b { font-weight: 600; }
.ky span { color: var(--chu-nhat); }

.ds-quan { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr)); gap: 28px; }
.quan { display: grid; grid-template-columns: minmax(0, 1fr); gap: 4px; align-content: start; }
.khung .quan h3 { margin: 0; color: var(--vang-sang); }
.quan p { font-size: .9rem; color: var(--dem-nhat); }
.hai-anh { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-top: 6px; }
.hai-anh figure { margin: 0; min-width: 0; }
.hai-anh img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.hai-anh figcaption { font-size: .78rem; color: var(--dem-nhat); margin-top: 3px; }

.anh-ban-do { width: 100%; max-width: 760px; margin: 0 auto; }
.ds-the { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; }
.anh-nho { width: 120px; aspect-ratio: 1; object-fit: cover; margin-bottom: 8px; }
.cau-noi { font: 500 1.15rem var(--tieu-de); color: var(--vang); }
.ds-moc { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.ds-moc li { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 12px; }
.ds-moc b { font: 600 1.15rem var(--tieu-de); }
.ds-moc span { color: var(--chu-nhat); font-size: .95rem; }
@media (max-width: 600px) { .ds-moc li { grid-template-columns: minmax(0, 1fr); gap: 0; } }

[hidden] { display: none !important; }
.thanh a.dang-xem { color: var(--vang); font-weight: 600; }
.nhom-tang { display: grid; gap: 8px; border-top: 1px solid var(--vien); padding-top: 10px; }
.nhom-tang h3 { font-size: 1.3rem; }
.nhom-tang p { font-size: .9rem; color: var(--chu-nhat); }
.nhom-tang p b { color: var(--chu); font-weight: 600; }
.luoi-mini { display: grid; grid-template-columns: repeat(auto-fill, minmax(112px, 1fr)); gap: 10px; }
.mini { display: grid; gap: 3px; align-content: start; padding: 0; background: none; border: 0; color: inherit; text-align: left; font: inherit; cursor: pointer; min-width: 0; }
.mini img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.mini:hover img { outline: 2px solid var(--vang); }
.mini b { font: 600 1.05rem/1.15 var(--tieu-de); }
.mini small { font-size: .76rem; line-height: 1.3; color: var(--chu-nhat); }

.cuoi { border-top: 1px solid var(--vien); padding-block: 24px; text-align: center; font-size: .82rem; color: var(--chu-nhat);
  padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }

.the-nv { width: min(760px, calc(100vw - 32px)); max-height: calc(100vh - 32px); padding: 0; border: 1px solid var(--vang); background: var(--mat); color: var(--chu); }
.the-nv::backdrop { background: rgba(6, 16, 14, .7); }
.the-trong { display: grid; grid-template-columns: 280px minmax(0, 1fr); }
.the-chu { padding: 24px; display: grid; gap: 10px; align-content: start; }
.the-chu h2 { font-size: 2.6rem; padding-right: 36px; }
.dong-nut { position: absolute; top: 8px; right: 8px; width: 40px; height: 40px; background: var(--mat); border: 1px solid var(--vien); color: var(--chu); font: 500 1.2rem var(--noi-dung); cursor: pointer; z-index: 1; }
.bao { display: flex; flex-wrap: wrap; gap: 6px; }
.bao span { padding: 2px 10px; border: 1px solid var(--vien); font-size: .85rem; }
.bao span.wi-tag { border-color: var(--vang); color: var(--vang); }

@media (max-width: 900px) {
  .mo-dau-trong { grid-template-columns: minmax(0, 1fr); }
  .mo-dau-trong { gap: 14px; }
  .cot-chu { display: contents; }
  .cot-thap { position: static; order: 1; }
  .o-tang { order: 2; }
  #ve-thap svg { max-height: 68vh; }
  .ds-luat, .hai-cot, .ba-cot, .ds-chuong { grid-template-columns: minmax(0, 1fr); }
  .ds-wi { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ds-hau-can { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cap { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .the-trong { grid-template-columns: minmax(0, 1fr); }
  .the-trong .chan-dung { aspect-ratio: 4 / 3; }
  .luoi { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .den, .mat-troi.rung { animation: none; }
  .suong { transition: none; }
}