/* ReuNews — bố cục: bảng tin chiếm 2/3, cột gợi ý 1/3; điện thoại gộp 1 cột, gợi ý chen giữa các bài */
:root{
  --bg:#f4f6f9;--surface:#fff;--ink:#16233f;--navy:#24345c;--muted:#5d6a82;--line:#dbe1ea;
  --green:#16794c;--green-soft:#e2f3ea;--red:#d8432a;--orange:#e8811f;--orange-soft:#fdeeda;--on-accent:#fff;
  --display:"Bricolage Grotesque","Be Vietnam Pro",system-ui,sans-serif;
  --body:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0c1322;--surface:#141d33;--ink:#e9eef8;--navy:#b9c8ea;--muted:#94a2bd;--line:#26334f;
  --green:#4cc98e;--green-soft:#12301f;--red:#ff765a;--orange:#ffa64a;--orange-soft:#3a2710;--on-accent:#0c1322;color-scheme:dark}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:15px;line-height:1.6;padding-bottom:env(safe-area-inset-bottom,0)}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer}
[hidden]{display:none!important}
:focus-visible{outline:2px solid var(--green);outline-offset:2px}
.wrap{max-width:1100px;margin:0 auto;padding-inline:16px}
.lbl{display:block;font-size:11.5px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin:0}

/* Đầu trang */
.top{position:sticky;top:0;z-index:20;background:var(--surface);border-bottom:1px solid var(--line);padding-top:env(safe-area-inset-top,0)}
.bar{display:flex;align-items:center;gap:12px;padding-block:9px}
.menu-btn{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--bg);border-radius:9px;padding:8px 11px;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.menu-btn span{width:15px;height:2px;background:currentColor;box-shadow:0 -5px 0 currentColor,0 5px 0 currentColor;border-radius:2px}
.logo{display:flex;align-items:center;gap:8px;margin-right:auto;min-width:0}
.logo .mark{flex:none}
.wm{display:flex;flex-direction:column;line-height:1}
.w1{font-family:var(--display);font-weight:800;font-size:23px;letter-spacing:-.025em}
.w1 b{color:var(--green);font-weight:800}.w1 i{color:var(--red);font-style:normal}
.wm small{font-size:9.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--navy);margin-top:3px}
.langs{display:flex;border:1px solid var(--line);border-radius:9px;overflow:hidden;font-size:12px;font-weight:700}
.langs a{padding:8px 10px;color:var(--muted)}
.langs a[aria-current]{background:var(--ink);color:var(--surface)}
.chips{display:flex;gap:7px;overflow-x:auto;padding-bottom:10px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{flex:none;border:1px solid var(--line);border-radius:999px;padding:5px 13px;font-size:13px;font-weight:500;background:var(--surface)}
.chip[aria-current]{background:var(--ink);border-color:var(--ink);color:var(--surface)}
.chip.read{border-color:var(--green);color:var(--green);font-weight:700}
.menu{position:absolute;left:0;right:0;top:100%;background:var(--surface);border-bottom:1px solid var(--line);box-shadow:0 18px 30px -18px rgba(8,16,36,.45);max-height:78vh;overflow:auto}
.menu-in{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:22px;padding-block:18px 22px}
.menu-col{display:flex;flex-direction:column;gap:2px}
.menu-col .lbl{margin-bottom:6px}
.menu-col a,.menu-col .install{padding:8px 0;font-weight:600;border:0;background:none;text-align:left;border-bottom:1px solid var(--line)}
.menu-col .install{color:var(--green)}
.stats{margin:0;display:grid;gap:6px}
.stats div{display:flex;justify-content:space-between;gap:12px;background:var(--bg);border-radius:9px;padding:9px 12px}
.stats dt{color:var(--muted);font-size:13px}.stats dd{margin:0;font-family:var(--display);font-weight:800;font-variant-numeric:tabular-nums}

/* Mở đầu */
main{padding-block:22px 44px;min-height:60vh}
.hero{padding-bottom:20px;max-width:760px}
.hero h1{font-family:var(--display);font-weight:800;font-size:clamp(27px,5.6vw,46px);line-height:1.06;letter-spacing:-.03em;margin:0 0 10px;text-wrap:balance}
.hero h1 em{font-style:normal;color:var(--red)}
.hero p{margin:0 0 12px;color:var(--muted);font-size:16px;max-width:60ch}
.live{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;color:var(--green);background:var(--green-soft);border-radius:999px;padding:5px 12px}
.live i{width:7px;height:7px;border-radius:50%;background:var(--green);animation:pulse 2s infinite}
@keyframes pulse{50%{opacity:.3}}

/* Lưới */
.grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:26px;align-items:start}
.feed{display:flex;flex-direction:column;gap:10px;min-width:0}
.side{position:sticky;top:120px;display:flex;flex-direction:column;gap:10px;min-width:0}
.inline-prod{display:none}

/* Thẻ bài */
.post{display:grid;grid-template-columns:50px minmax(0,1fr);gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:15px;transition:border-color .15s,transform .15s}
.post:hover{border-color:var(--green);transform:translateY(-1px)}
.rank{display:flex;flex-direction:column;align-items:center;justify-content:center;height:50px;border-radius:11px;background:var(--orange-soft);color:var(--orange)}
.rank b{font-family:var(--display);font-size:17px;line-height:1;font-variant-numeric:tabular-nums}
.rank i{font-style:normal;white-space:nowrap;font-size:9px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;margin-top:3px}
.pb{display:flex;flex-direction:column;min-width:0}
.meta{display:flex;flex-wrap:wrap;align-items:center;gap:4px 10px;font-size:12px;color:var(--muted)}
.meta b{color:var(--green);font-weight:700}
.tag-demo{border:1px dashed var(--muted);border-radius:4px;padding:0 5px;font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.05em}
.post .h,.art .h{font-family:var(--display);font-weight:600;font-size:19px;line-height:1.24;letter-spacing:-.012em;margin:4px 0 5px;text-wrap:balance}
.post .s,.art .s{color:var(--muted);font-size:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.empty{color:var(--muted)}
.more{height:1px}

/* Thẻ sản phẩm */
.prod{display:grid;grid-template-columns:54px minmax(0,1fr);gap:12px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:13px}
.thumb{width:54px;height:54px;border-radius:12px;display:grid;place-items:center;font-family:var(--display);font-weight:800;font-size:23px;background:var(--orange-soft);color:var(--orange)}
.prod.intl .thumb{background:var(--green-soft);color:var(--green)}
.pd{min-width:0;display:flex;flex-direction:column;align-items:flex-start}
.pk{font-size:10.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.prod strong{font-size:14.5px;line-height:1.3;margin-top:1px}
.prod p{margin:3px 0 9px;font-size:13px;color:var(--muted);line-height:1.45}
.buy{display:inline-flex;gap:6px;background:var(--red);color:var(--on-accent);border-radius:9px;padding:7px 12px;font-size:13px;font-weight:700}
.prod.intl .buy{background:var(--green)}
.buy:hover{filter:brightness(1.08)}

/* Trang bài */
.back{display:inline-block;font-weight:600;font-size:14px;color:var(--green);margin-bottom:12px}
.story{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:26px;min-width:0}
.story h1{font-family:var(--display);font-weight:800;font-size:clamp(25px,5vw,37px);line-height:1.1;letter-spacing:-.025em;margin:10px 0 16px;text-wrap:balance}
.story p{margin:0 0 14px;max-width:66ch;font-size:16px}
.story .lede{font-size:17.5px;line-height:1.55}
.story h2{font-family:var(--display);font-size:21px;letter-spacing:-.01em;margin:26px 0 8px}
.story ul{margin:0 0 14px;padding-left:20px;max-width:66ch;font-size:16px}
.story li{margin-bottom:6px}
.ctx{background:var(--green-soft);border-radius:13px;padding:15px 17px;margin:18px 0}
.ctx .lbl{color:var(--green);margin-bottom:4px}
.ctx p{margin:0}
.src{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;border:1px solid var(--line);border-radius:13px;padding:13px 16px}
.src strong{font-size:15px}
.src a{font-weight:700;color:var(--green)}
.fine{font-size:12.5px!important;color:var(--muted);margin-top:12px!important}
.morelist{margin-top:30px;max-width:720px}
.morelist .lbl{margin-bottom:10px}

/* ĐỌC, danh bạ, trang đơn */
.arts{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}
.art{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px}
.art:hover{border-color:var(--green)}
.art .s{-webkit-line-clamp:3}
.dir{margin-bottom:26px}
.dir .lbl{margin-bottom:10px}
.dir-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:9px}
.dir-grid a{display:flex;flex-direction:column;gap:2px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.dir-grid a:hover{border-color:var(--green)}
.dir-grid strong{font-family:var(--display);font-size:16px;color:var(--green);overflow-wrap:anywhere}
.dir-grid span{font-size:13px;color:var(--muted);line-height:1.4}
.plain{padding-block:60px;text-align:left}
.plain h1{font-family:var(--display);font-size:32px;margin:0 0 16px}
.btn{display:inline-block;background:var(--green);color:var(--on-accent);border-radius:10px;padding:10px 16px;font-weight:700}

/* Chân trang */
.foot{background:var(--surface);border-top:1px solid var(--line);padding-block:30px;font-size:13.5px;color:var(--muted)}
.foot-in{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.6fr) minmax(0,1.2fr);gap:28px}
.foot p{margin:8px 0 0;max-width:46ch}
.foot .logo{margin-bottom:4px}
.foot-links{display:flex;flex-direction:column;gap:8px;align-items:flex-start;font-weight:600;color:var(--ink)}
.foot-links .install{border:1px solid var(--green);color:var(--green);background:none;border-radius:9px;padding:7px 12px;font-weight:700}
.legal a{color:var(--green);font-weight:600}
.sel{user-select:all;font-weight:600;color:var(--ink)}
.sheet{position:fixed;inset:0;z-index:40;background:rgba(8,14,30,.55);display:grid;place-items:end center;padding:16px}
.sheet-in{background:var(--surface);border-radius:16px;padding:20px;max-width:420px;width:100%;margin-bottom:env(safe-area-inset-bottom,0)}
.sheet-in p{color:var(--muted);margin:8px 0 14px}
.sheet-in button{background:var(--green);color:var(--on-accent);border:0;border-radius:9px;padding:9px 16px;font-weight:700}

@media (max-width:820px){
  .grid{grid-template-columns:minmax(0,1fr)}
  .feed+.side{display:none}
  .side{position:static}
  .inline-prod{display:block}
  .story{padding:18px}
  .post{grid-template-columns:44px minmax(0,1fr);gap:12px;padding:13px}
  .rank{height:44px}.rank i{font-size:7.5px;letter-spacing:.02em}
  .post .h{font-size:17.5px}
  .foot-in{grid-template-columns:minmax(0,1fr)}
  .menu-btn{padding:0;width:38px;height:36px;justify-content:center;font-size:0;gap:0}
  .w1{font-size:21px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}