/* Giao diện tím tối theo mẫu UStar Hải Phòng (anh Hậu chốt 20/10/2026); màu chuẩn logo Option A (20/10): nền #140722, thẻ #20093E, tím #8A3CF0, tím sáng #9B5CFF, tím nhạt #CDB6FF. Web dùng phông thường Be Vietnam Pro;
   phông cọ (Mansalva, Permanent Marker) và Anton CHỈ dùng trên poster, ảnh tải về (anh dặn 20/10). */
:root{--bg:#140722;--bg2:#1b0a33;--card:#20093E;--card2:#2a1150;--line:rgba(205,182,255,.18);--ink:#f5f3ff;--mut:#b8a6dc;
--p:#8A3CF0;--p2:#9B5CFF;--pd:#4c1d95;--l1:#CDB6FF;--l2:#ede9fe;--pink:#e879f9;--y:#f5d0fe;--r:16px;
--sans:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;--big:"Anton","Be Vietnam Pro",sans-serif}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 var(--sans);
 background-image:radial-gradient(900px 600px at 10% -10%,rgba(138,60,240,.35),transparent 60%),radial-gradient(800px 600px at 110% 30%,rgba(192,38,211,.18),transparent 60%),url(/assets/waves.svg);
 background-repeat:no-repeat,no-repeat,repeat-x;background-position:0 0,0 0,0 340px;background-size:auto,auto,1200px auto}
a{color:var(--l1)}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
.main{padding-top:16px;padding-bottom:32px;min-height:60vh}
.muted{color:var(--mut)}.small{font-size:13px}
h1,h2,h3{line-height:1.25;margin:0 0 8px}
/* đầu trang */
.top{background:rgba(18,6,31,.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);color:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line)}
.top-in{display:flex;align-items:center;gap:12px;height:58px}
.brand{display:flex;align-items:center;gap:8px;color:#fff;text-decoration:none;font:900 20px/1 var(--sans);letter-spacing:.5px}
.brand img{display:block;height:48px;width:auto}@media(max-width:640px){.brand img{height:34px}}
.nav{margin-left:auto;display:flex;gap:2px}
.nav a{color:var(--l2);text-decoration:none;padding:8px 11px;border-radius:999px;font-weight:700;font-size:14px}
.nav a:hover{background:rgba(205,182,255,.14)}
.nav .nav-cta{background:linear-gradient(90deg,var(--p),#9333ea);color:#fff}
.menu-btn{display:none;margin-left:auto;background:none;border:0;color:#fff;font-size:26px;width:44px;height:44px;cursor:pointer}
@media (max-width:860px){
 .menu-btn{display:block}
 .nav{display:none;position:absolute;left:0;right:0;top:58px;background:var(--bg2);flex-direction:column;padding:8px 16px 16px;box-shadow:0 12px 24px rgba(0,0,0,.4);border-bottom:1px solid var(--line)}
 .nav.open{display:flex}
 .nav a{padding:12px;font-size:15px}
}
/* chân trang: 3 cột cân */
.foot{background:#0b0315;color:var(--mut);margin-top:24px;border-top:1px solid var(--line)}
.foot-in{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;padding-top:28px;padding-bottom:28px}
.foot b{color:#fff;font:800 16px var(--sans);text-transform:uppercase}.foot p{margin:6px 0 0;font-size:14px}.foot a{color:var(--l1)}
@media (max-width:720px){.foot-in{grid-template-columns:minmax(0,1fr)}}
/* hero: nền tím, vân sóng */
.hero{background:linear-gradient(135deg,#3b0f6e,#1c0838 70%);color:#fff;border-radius:var(--r);padding:22px 20px;margin-bottom:12px;position:relative;overflow:hidden;border:1px solid var(--line)}
.hero:before{content:"";position:absolute;inset:0;background:url(/assets/waves.svg) 0 60%/900px auto repeat-x;opacity:.55;pointer-events:none}
.hero>*{position:relative}
.hero h1{font-size:23px;font-weight:900;text-transform:uppercase;letter-spacing:.2px}
.hero p{margin:6px 0 0;color:var(--l2);opacity:.92}
.hero-tag{display:inline-block;background:#2e1065;border:1px solid rgba(205,182,255,.45);color:#fff;font-weight:800;font-size:12px;border-radius:999px;padding:4px 12px;margin-bottom:10px;text-transform:uppercase;letter-spacing:.5px}
.hero-meta{font-size:14px}
.hero-act{margin-top:14px}
.home-hero{padding:30px 20px}
.home-hero h1{font:900 28px/1.2 var(--sans);text-transform:none;background:linear-gradient(180deg,#fff,var(--l1) 60%,var(--p2));-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(2px 3px 0 rgba(10,2,20,.6))}
@media (min-width:720px){.hero h1{font-size:30px}.home-hero h1{font-size:42px}}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:linear-gradient(90deg,var(--p),#9333ea);color:#fff;border:0;border-radius:999px;padding:11px 18px;font:inherit;font-weight:800;text-decoration:none;cursor:pointer;min-height:44px;box-shadow:0 6px 18px rgba(138,60,240,.35)}
.btn.ghost{background:rgba(205,182,255,.1);color:var(--l2);border:1px solid var(--line);box-shadow:none}
.btn.green{background:linear-gradient(90deg,var(--p),#9333ea);color:#fff}
.btn.sm{min-height:34px;padding:6px 12px;font-size:14px}
.btn.red{background:rgba(248,113,113,.15);color:#fca5a5;box-shadow:none}
.btn:disabled{opacity:.5;cursor:default}
/* tab giải */
.tabs{display:flex;gap:6px;overflow-x:auto;padding:2px 0 10px;margin-bottom:6px;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tabs a{flex:none;text-decoration:none;color:var(--l2);background:var(--card);border:1px solid var(--line);border-radius:999px;padding:8px 14px;font-weight:700;font-size:14px}
.tabs a.on{background:linear-gradient(90deg,var(--p),#9333ea);border-color:transparent;color:#fff}
.sec{font:800 18px var(--sans);text-transform:uppercase;letter-spacing:.3px;margin:20px 0 10px;color:var(--l2)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:14px;margin-bottom:12px}
.card h3{font-size:16px;text-transform:uppercase;letter-spacing:.3px}
.cols,.cols2{display:grid;grid-template-columns:minmax(0,1fr);gap:12px}
@media (min-width:960px){.cols{grid-template-columns:minmax(0,1fr) 370px;gap:20px}.cols2{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px}}
.more{font-weight:700;text-decoration:none;color:var(--l1)}
/* thẻ trận: thanh tím 2 đội + hộp trắng giữa như mẫu */
.list{display:grid;gap:10px}
.mc{display:block;background:linear-gradient(90deg,rgba(138,60,240,.55),rgba(76,29,149,.55) 50%,rgba(138,60,240,.55));border:1px solid var(--line);border-radius:var(--r);padding:10px 12px;text-decoration:none;color:#fff}
.mc:hover{border-color:var(--l1)}
.mc-head{display:flex;justify-content:space-between;gap:8px;font-size:12px;color:var(--l2);opacity:.85;margin-bottom:6px}
.mc-row{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:8px}
.mc-team{display:flex;align-items:center;gap:8px;font-weight:800;font-size:14px;min-width:0;text-transform:uppercase}
.mc-team span:not(.crest){overflow:hidden;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;line-height:1.25}
.mc-team.a{justify-content:flex-end;text-align:right}
.mc-team.win span:not(.crest){color:var(--y)}
.mc-score{display:flex;align-items:center;gap:4px;font-size:24px;font-weight:900;background:#fff;border-radius:12px;padding:4px 12px;min-width:78px;justify-content:center;color:var(--pd);box-shadow:0 4px 14px rgba(0,0,0,.3)}
.mc-score b{color:#5b21b6}
.mc-score i{font-style:normal;color:#9B5CFF}
.vs{font-size:15px;color:var(--p);font-weight:900}
.pen{text-align:center;font-size:12px;color:var(--l2);margin-top:4px}
/* khiên đội (chữ viết tắt, màu theo tên) */
.crest{flex:none;width:34px;height:38px;display:grid;place-items:center;font-size:11px;font-weight:900;color:#fff;background:hsl(var(--h),62%,42%);letter-spacing:-.3px;clip-path:polygon(0 0,100% 0,100% 55%,50% 100%,0 55%);padding-bottom:4px}
.crest.sm{width:24px;height:27px;font-size:9px}
.crest.lg{width:54px;height:60px;font-size:16px}
.crest.xl{width:68px;height:76px;font-size:20px}
/* bảng xếp hạng: hàng đầu tím chuyển, ô hạng tím nhạt */
.tbl-wrap{overflow-x:auto}
table.st{width:100%;border-collapse:collapse;font-size:14px}
.st th{font-size:12px;color:#fff;font-weight:900;text-align:center;padding:8px 4px;background:linear-gradient(90deg,#8A3CF0,#c084fc 70%,#f5d0fe);text-transform:uppercase}
.st th:last-child{color:#3b0764}
.st td{text-align:center;padding:8px 4px;border-bottom:1px solid var(--line)}
.st tr:last-child td{border-bottom:0}
.st .tm{text-align:left}
.st td.tm a,.st td.tm span:not(.crest){display:flex;align-items:center;gap:8px;color:#fff;text-decoration:none;font-weight:700;min-width:0}
.st td.tm small{display:block;color:var(--mut);font-weight:400;font-size:12px}
.st td.tm span:not(.crest){display:block}
.st td.tm a span:not(.crest){display:inline}
.st td.tm small a{color:var(--mut);display:inline}
.st td.rk{width:32px;font-weight:900;color:#fff;background:linear-gradient(180deg,#CDB6FF,#6d28d9)}
.st .pts{font-weight:900;color:var(--y);font-size:16px}
@media (max-width:420px){.hide-xs{display:none}}
.tag{font-style:normal;font-size:10px;font-weight:800;background:var(--y);color:#3b0764;border-radius:4px;padding:1px 4px;vertical-align:middle}
.tag.gk{background:#bae6fd;color:#075985}
/* vua phá lưới */
ol.sc{list-style:none;margin:0;padding:0}
.sc li{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px solid var(--line)}
.sc li:last-child{border-bottom:0}
.sc .rk{width:28px;height:28px;border-radius:8px;background:linear-gradient(180deg,#CDB6FF,#6d28d9);display:grid;place-items:center;font-size:13px;font-weight:900;flex:none;color:#fff}
.sc li:first-child .rk{background:linear-gradient(180deg,#fdf4ff,#e879f9);color:#3b0764}
.sc .nm{flex:1;min-width:0;font-weight:800;text-transform:uppercase;font-size:14px}
.sc .nm small{display:block;font-weight:400;color:var(--mut);font-size:12px;text-transform:none}
.sc b{font-size:20px;color:var(--y)}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(100px,1fr));gap:8px;margin-bottom:12px}
.kpis div{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:12px;text-align:center}
.kpis b{display:block;font:900 28px var(--sans);color:#fff}.kpis span{font-size:12px;color:var(--mut)}
/* danh sách giải, đội */
.grid-tc{display:grid;grid-template-columns:minmax(0,1fr);gap:10px}
@media (min-width:720px){.grid-tc{grid-template-columns:repeat(2,minmax(0,1fr))}}
.tc{display:block;background:linear-gradient(135deg,var(--card2),var(--card));border:1px solid var(--line);border-radius:var(--r);padding:16px;text-decoration:none;color:#fff;border-left:5px solid var(--p2)}
.tc h3{font-size:16px;margin:4px 0;text-transform:uppercase}.tc p{margin:0;color:var(--mut);font-size:14px}
.tc-tag{font-size:12px;font-weight:800;color:var(--l1);text-transform:uppercase}
.grid-team{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.team-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:14px;text-decoration:none;color:#fff;display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;font-weight:800;text-transform:uppercase;font-size:14px}
.team-card small{color:var(--mut);font-weight:400;text-transform:none}
.team-hero{display:flex;align-items:center;gap:14px;margin:6px 0 14px}
.team-hero h2{font:900 26px/1.2 var(--sans);text-transform:uppercase}
/* trang trận */
.match-hero{background:linear-gradient(135deg,#3b0f6e,#1c0838);border:1px solid var(--line);border-radius:var(--r);padding:16px;margin-bottom:12px;text-align:center;position:relative;overflow:hidden}
.match-hero:before{content:"";position:absolute;inset:0;background:url(/assets/waves.svg) 0 80%/800px auto repeat-x;opacity:.5}
.match-hero>*{position:relative}
.mh-meta{font-size:13px;color:var(--l2)}
.mh-row{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:10px;margin:14px 0}
.mh-team{display:flex;flex-direction:column;align-items:center;gap:8px;font-weight:900;text-transform:uppercase}
.mh-score{font:900 40px/1 var(--sans);background:#fff;color:#5b21b6;border-radius:16px;padding:10px 16px;box-shadow:0 6px 20px rgba(0,0,0,.35)}
.mh-score i{font-style:normal;color:#9B5CFF;margin:0 4px}
.mh-score small{display:block;font:800 11px var(--sans);color:var(--p);margin-top:6px;text-transform:uppercase}
ul.evs{list-style:none;margin:0;padding:0}
.ev{padding:7px 0;border-bottom:1px solid var(--line);font-size:14px}
.ev.a{text-align:right}
.mvp{background:linear-gradient(90deg,rgba(232,121,249,.18),rgba(138,60,240,.18));border:1px solid rgba(232,121,249,.4);border-radius:var(--r);padding:10px 14px}
/* ảnh chia sẻ */
.share{margin:14px 0}
.share-out{margin-top:12px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:12px}
.share-out canvas{width:100%;max-width:420px;height:auto;display:block;margin:0 auto 10px;border-radius:10px;box-shadow:0 8px 24px rgba(0,0,0,.45)}
.share-act{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
.feat{display:grid;grid-template-columns:minmax(0,1fr);gap:10px}
@media (min-width:720px){.feat{grid-template-columns:repeat(2,minmax(0,1fr))}}
.prose{max-width:760px}
.empty{text-align:center;padding:40px 16px}
/* tin tức */
.grid-post{display:grid;grid-template-columns:minmax(0,1fr);gap:10px}
@media (min-width:720px){.grid-post{grid-template-columns:repeat(2,minmax(0,1fr))}}
.post-card{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:14px;text-decoration:none;color:#fff}
.post-card:hover{border-color:var(--l1)}
.post-card h3{font-size:16px;margin:4px 0}.post-card p{margin:0 0 6px;color:var(--mut);font-size:14px}.post-card small{color:var(--mut)}
.post-kind{display:inline-block;font-size:11px;font-weight:800;text-transform:uppercase;color:var(--pink);margin:0}
.post h1{font-size:24px}.post h2{font:800 19px var(--sans);margin:18px 0 6px;color:var(--l2)}.post .lead{font-weight:700;font-size:16px}
.prose p,.prose li{font-size:16px;line-height:1.7}
/* gói truyền thông */
.notice{background:rgba(232,121,249,.12);border:1px solid rgba(232,121,249,.4);border-radius:var(--r);padding:10px 14px;font-weight:600}
.pkgs{display:grid;grid-template-columns:minmax(0,1fr);gap:10px;margin-bottom:12px}
@media (min-width:720px){.pkgs{grid-template-columns:repeat(2,minmax(0,1fr))}}
.pkg{display:grid;gap:4px;background:var(--card);border:2px solid var(--line);border-radius:var(--r);padding:14px;cursor:pointer;position:relative}
.pkg input{position:absolute;right:14px;top:14px;width:22px;height:22px;accent-color:var(--p)}
.pkg:has(input:checked){border-color:var(--p2);background:linear-gradient(135deg,rgba(138,60,240,.35),var(--card))}
.pkg b{font-size:17px;text-transform:uppercase}.pkg .price{font:900 26px var(--sans);color:#fff}.pkg span{color:var(--mut);font-size:14px}
.done{text-align:center;padding:10px}
.qr{display:block;width:100%;max-width:300px;margin:10px auto;border-radius:12px;background:#fff;padding:8px}
/* biểu mẫu */
.poster-cv{width:100%;max-width:440px;height:auto;display:block;margin:0 auto;border-radius:12px;box-shadow:0 8px 24px rgba(0,0,0,.45)}
.form{display:grid;gap:10px}
.form label{display:grid;gap:4px;font-weight:700;font-size:14px}
.form .row2{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:10px}
input,select,textarea{font:inherit;font-weight:400;border:1px solid rgba(205,182,255,.3);border-radius:10px;padding:10px 12px;background:#140829;color:#fff;width:100%;min-height:44px}
textarea{min-height:100px}
input::placeholder,textarea::placeholder{color:#7f6aa8}
input[type=checkbox],input[type=radio]{width:20px;height:20px;min-height:0;accent-color:var(--p)}
input[type=file]{padding:8px}
select option{background:#1b0a33}
.check{display:flex!important;align-items:center;gap:8px;font-weight:600!important}
.hint{font-size:13px;color:var(--mut);font-weight:400}
.err{color:#fca5a5;font-weight:700;min-height:1em;margin:0}
.bar{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
[hidden]{display:none!important}

/* bảng quản trị + ví poster AI */
.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th,.tbl td{padding:7px 8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.vi-box{background:var(--card2);border:1px solid var(--line);border-radius:12px;padding:10px 12px;margin:6px 0;line-height:1.7}
.vi-box .btn.sm{margin-left:6px}
.vi-nap{margin-top:8px}
.vi-nap .bar .btn.sm{margin:0 6px 6px 0}
.vi-nap .qr{display:block;width:220px;max-width:100%;background:#fff;border-radius:10px;margin:6px 0}
.vi-code{font-size:18px;letter-spacing:1px;color:#fde68a}

/* trang đăng nhập chung */
.auth-card{max-width:460px;margin:8px auto}
.btn.gg{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;background:#fff;color:#1f1f1f;border:1px solid #dadce0;box-shadow:none;font-weight:700}
.or{display:flex;align-items:center;gap:10px;color:var(--mut);font-size:13px;margin:14px 0}
.or:before,.or:after{content:"";flex:1;height:1px;background:var(--line)}
.seg{display:flex;background:var(--bg2);border:1px solid var(--line);border-radius:999px;padding:4px;margin:4px 0 12px}
.seg button{flex:1;border:0;background:none;color:var(--mut);font:inherit;font-weight:700;padding:8px;border-radius:999px;cursor:pointer}
.seg button.on{background:var(--card2);color:var(--ink)}

/* phân quyền */
.tag-wait{display:inline-block;background:rgba(251,191,36,.15);color:#fde68a;border-radius:999px;padding:1px 8px;font-size:12px}
.tc .btn.sm{margin-top:6px}

/* trang chủ: hàng tính năng (anh Hậu 20/10) */
.hero-feat{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:12px 0 0}
.hero-feat li,.hero-feat a{background:rgba(205,182,255,.12);border:1px solid var(--line);border-radius:999px;padding:5px 12px;font-size:14px;font-weight:600;color:var(--ink)}
.hero-feat a{text-decoration:none;transition:background .15s,border-color .15s}.hero-feat a:hover{background:rgba(205,182,255,.24);border-color:var(--p2,#9B5CFF)}
.hero-act{display:flex;flex-wrap:wrap;gap:10px}
.post-links{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}
.vi-sau{margin:2px 0}
.vi-dk{margin-top:6px}.vi-dk summary{cursor:pointer;font-weight:700}.vi-dk ul{margin:6px 0 0 18px;line-height:1.7}

/* Ảnh bìa bài viết + trang chủ 2 cột Giải đấu | Tin tức (anh Hậu 20/10) */
.post-card.has-img{padding:0;overflow:hidden}.post-card.has-img>:not(img){margin-left:14px;margin-right:14px}.post-card.has-img small{display:block;margin-bottom:14px}
.post-thumb{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;background:var(--card2);margin-bottom:10px}
.post-fig{margin:14px 0}.post-cover{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border-radius:12px;background:var(--card2)}
.post-fig figcaption{font-size:12px;color:var(--mut);margin-top:6px}
.home-cols{display:grid;grid-template-columns:minmax(0,1fr);gap:8px 24px}
@media (min-width:960px){.home-cols{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}}
.grid-tc.one{grid-template-columns:minmax(0,1fr)}
.news-rows{display:grid;gap:10px}
.news-row{display:flex;gap:12px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:10px;text-decoration:none;color:#fff}
.news-row:hover{border-color:var(--l1)}
.news-row img,.news-row .nr-ph{flex:0 0 128px;width:128px;height:72px;object-fit:cover;border-radius:10px;background:var(--card2)}
.news-row .nr-ph{display:grid;place-items:center;font-size:24px}
.news-row span{min-width:0}.news-row small{display:block;color:var(--mut);font-size:12px}.news-row b{display:block;font-size:15px;line-height:1.35;overflow-wrap:anywhere}
@media (max-width:420px){.news-row img,.news-row .nr-ph{flex-basis:96px;width:96px;height:54px}}
.crest.logo{background:#fff;padding:2px;overflow:hidden;clip-path:none;border-radius:50%;height:auto;aspect-ratio:1}.crest.logo img{width:100%;height:100%;object-fit:contain;display:block}