:root { --bg: #120c08; --ink: #ece2cf; --dim: #a6977f; --line: #2f241b; --wax: #d4a94f; --mint: #8fb3a3; --serif: "Cormorant Garamond", Georgia, serif; --ui: "Be Vietnam Pro", system-ui, sans-serif; }
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.65 var(--ui); }
a { color: var(--wax); }
:focus-visible { outline: 2px solid var(--wax); outline-offset: 2px; }
.hero { position: relative; min-height: min(86vh, 760px); display: flex; align-items: flex-end; overflow: hidden; }
.hero-img { position: absolute; inset: 0; background: #1a130d center / cover no-repeat; filter: brightness(.55) saturate(.9); transform: scale(1.03); }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(18,12,8,.1) 30%, var(--bg) 98%); }
.hero-in { position: relative; z-index: 1; width: min(1080px, 100%); margin: 0 auto; padding: calc(env(safe-area-inset-top, 0px) + 28px) 24px 48px; }
.brand { display: flex; align-items: center; gap: 10px; margin: 0 0 18vh; font-weight: 600; color: var(--dim); }
.brand img { border-radius: 8px; }
h1 { font: italic 600 clamp(3.4rem, 10vw, 7.5rem)/.9 var(--serif); margin: 0 0 14px; letter-spacing: -.01em; }
.tag { font: italic 500 clamp(1.25rem, 2.6vw, 1.7rem)/1.35 var(--serif); color: var(--ink); max-width: 34ch; margin: 0 0 26px; }
.cta { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.btn { font: 600 1rem var(--ui); padding: 12px 22px; border-radius: 4px; border: 1px solid #4a3a2c; background: rgba(18,12,8,.6); color: var(--ink); text-decoration: none; cursor: pointer; }
.btn.primary { background: var(--wax); border-color: var(--wax); color: #1a120d; }
.btn.ghost { border-color: transparent; background: none; color: var(--dim); font-weight: 500; text-decoration: underline; text-underline-offset: 3px; }
.standalone { color: var(--mint); margin: 14px 0 0; font-size: .9rem; }
main { width: min(1080px, 100%); margin: 0 auto; padding: 0 24px 40px; }
section { padding: 44px 0; border-top: 1px solid var(--line); }
section.intro { border-top: 0; padding-top: 8px; }
.intro p { font: 500 1.32rem/1.6 var(--serif); max-width: 62ch; margin: 0 0 1em; color: #ddd2bd; }
h2 { font: italic 600 2.2rem/1.1 var(--serif); margin: 0 0 22px; }
.lead { max-width: 64ch; color: var(--dim); margin: -8px 0 20px; }
.chapters { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.chapters li { display: grid; grid-template-columns: minmax(150px, 260px) 1fr 70px; gap: 16px; align-items: center; padding: 12px 0; border-bottom: 1px dashed var(--line); }
.chapters .nm { font: 600 1.25rem var(--serif); }
.chapters .nt { color: var(--dim); font-size: .9rem; }
.chapters .st { font-size: .8rem; color: var(--dim); text-align: right; }
.meter { height: 6px; background: #2a2018; border-radius: 3px; overflow: hidden; margin-top: 6px; }
.meter i { display: block; height: 100%; background: var(--wax); }
.chapters li.done .meter i { background: var(--mint); }
.chapters li.plan { opacity: .65; }
.upd { display: grid; grid-template-columns: 120px 1fr; gap: 20px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.upd time { color: var(--dim); font-size: .9rem; padding-top: 3px; }
.upd h3 { margin: 0 0 4px; font: 600 1.35rem var(--serif); }
.upd p { margin: 0 0 .6em; max-width: 68ch; color: #d6cbb6; }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 18px; }
.tabs button { font: 500 .9rem var(--ui); padding: 8px 13px; border-radius: 999px; border: 1px solid #3c2f24; background: none; color: var(--dim); cursor: pointer; }
.tabs button[aria-selected="true"] { border-color: var(--wax); color: var(--ink); background: rgba(212,169,79,.12); }
.tabs button .you { color: var(--mint); font-size: .75rem; margin-left: 6px; }
.guide { display: grid; grid-template-columns: 1fr minmax(220px, 320px); gap: 30px; align-items: start; }
.guide h3 { margin: 0 0 4px; font: 600 1.5rem var(--serif); }
.guide .sub { color: var(--dim); margin: 0 0 14px; font-size: .9rem; }
.guide ol { margin: 0 0 14px; padding-left: 1.3em; }
.guide li { margin-bottom: 8px; }
.guide kbd { font: 600 .85rem var(--ui); background: #2a2018; border: 1px solid #44362a; border-bottom-width: 2px; border-radius: 4px; padding: 1px 7px; white-space: nowrap; }
.guide .note { color: var(--dim); font-size: .9rem; border-left: 2px solid var(--line); padding-left: 12px; }
.phone { aspect-ratio: 19.5/9; border: 6px solid #2a2018; border-radius: 22px; background: #000 center / cover; position: relative; overflow: hidden; }
.phone::after { content: "Sau khi cài: toàn màn hình, xoay ngang"; position: absolute; left: 0; right: 0; bottom: 0; padding: 6px 10px; font-size: .75rem; color: var(--ink); background: rgba(0,0,0,.6); }
table.players { width: 100%; border-collapse: collapse; font-size: .95rem; }
table.players td, table.players th { padding: 9px 8px; border-bottom: 1px solid var(--line); text-align: left; }
table.players th { color: var(--dim); font-weight: 500; }
footer { width: min(1080px, 100%); margin: 0 auto; padding: 24px 24px calc(env(safe-area-inset-bottom, 0px) + 30px); display: flex; justify-content: space-between; color: var(--dim); font-size: .85rem; border-top: 1px solid var(--line); }
@media (max-width: 720px) {
  .chapters li { grid-template-columns: 1fr 60px; } .chapters li .bar { grid-column: 1 / -1; }
  .upd { grid-template-columns: 1fr; gap: 2px; }
  .guide { grid-template-columns: 1fr; }
  .brand { margin-bottom: 10vh; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }