/* Kiểm Mua — màu & chữ theo ảnh "EMA + BoS" (duyệt 26/09/2026): nền trắng ánh tím, tím đậm, xanh đêm,
   vàng nhấn, xanh chanh. Khung tab/đầu trang theo candle-radar. Một giao diện sáng có chủ đích. */
:root{
  color-scheme:light;
  --bg:#FFFFFF; --tint:#F4F0FB; --ink:#1B1530; --text:#3F3A52; --mute:#6E6886; --line:#DAD4E8;
  --purple:#3B1A78; --purple-2:#6A2FBF; --lav:#ECE6F8;
  --night:#0F3B34; --yellow:#F6C12E; --lime:#7DBA2F; --lime-soft:#EEF6E2;
  --up:#2F9D4E; --down:#D6312B; --down-soft:#FCE6E4; --ref:#C9971A;
  --barA:#2A0F5C; --barB:#4B1FA0;
  --sans:"Montserrat",Arial,Helvetica,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Consolas,monospace;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);background-image:radial-gradient(120% 60% at 110% 0%,var(--tint) 0,var(--bg) 60%);color:var(--ink);font-family:var(--sans);font-size:14px;display:flex;flex-direction:column;overflow-x:hidden;-webkit-font-smoothing:antialiased}
button{font-family:inherit;cursor:pointer}
button:focus-visible,input:focus-visible,.card:focus-visible{outline:3px solid var(--yellow);outline-offset:2px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
main{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch}
.panel{display:none;max-width:520px;margin:0 auto;padding-inline:16px;padding-block:0 24px}
.panel.on{display:block}

/* đầu trang */
.head{padding-block:22px 6px;display:flex;flex-direction:column;gap:8px}
.head .row{display:flex;justify-content:space-between;align-items:center;gap:8px}
.kicker{font-size:10.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--mute)}
.brand{display:flex;align-items:center;gap:12px}
.brand svg{width:44px;height:44px;flex:none}
.title{font-size:clamp(32px,10vw,46px);font-weight:900;line-height:.95;letter-spacing:-.02em;color:var(--purple);margin:0;text-wrap:balance}
.title .plus{color:var(--ink)}
.title.small{font-size:clamp(28px,8.5vw,38px)}
.pill{align-self:flex-start;background:var(--purple);color:#fff;font-weight:800;font-size:clamp(13px,3.9vw,16px);padding:7px 14px;border-radius:8px;letter-spacing:-.005em;box-shadow:0 2px 0 var(--barA)}
.pill em{font-style:normal;color:var(--yellow)}

/* dải nguồn */
.src{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;margin-top:10px}
.src span{display:flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:8px;padding:6px 8px;font-size:11px;font-weight:700;color:var(--ink);background:var(--bg);min-width:0}
.src i{width:8px;height:8px;border-radius:50%;background:var(--lime);flex:none}
.src i.off{background:var(--down)}
.src small{margin-left:auto;font:500 10.5px var(--mono);color:var(--mute);white-space:nowrap}

.note{margin-top:12px;font-size:12px;line-height:1.5;color:var(--text);background:var(--lav);border-radius:10px;padding:9px 12px}
.note b{color:var(--purple)}

/* vạch BoS */
.bos{margin-top:22px;display:flex;flex-direction:column;gap:3px}
.bos .ln{border-top:2px dashed var(--ink);opacity:.8}
.bos .lab{display:flex;justify-content:space-between;align-items:baseline}
.bos b{font-size:17px;font-weight:800;color:var(--purple);letter-spacing:-.01em}
.bos span{font-size:11px;font-weight:700;color:var(--mute);letter-spacing:.06em;text-transform:uppercase}

/* thẻ mã */
.cards{display:flex;flex-direction:column;gap:10px;margin-top:10px}
.card{all:unset;box-sizing:border-box;display:grid;grid-template-columns:1fr auto;gap:8px 12px;padding:13px 14px;background:var(--bg);border:1px solid var(--line);border-radius:14px;box-shadow:0 1px 0 var(--line);cursor:pointer}
.card:active{background:var(--tint)}
.card .l{display:flex;flex-direction:column;gap:2px;min-width:0}
.sym{font-size:24px;font-weight:900;color:var(--purple);letter-spacing:-.01em;line-height:1}
.px{font-size:13px;color:var(--text)}
.up{color:var(--up)} .down{color:var(--down)} .ref{color:var(--ref)}
.score{background:var(--night);color:#fff;border-radius:8px;padding:6px 10px;display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:64px;align-self:start}
.score b{font:600 19px var(--mono);line-height:1.1}
.score.hi{background:var(--yellow);color:var(--ink)}   /* đạt từ 10 tiêu chí: nền vàng + số điểm xanh (anh chốt 29/09/2026) */
.score.hi b{color:#1C7A3A;font-weight:700}
.hero .score.hi{background:var(--night);color:#fff}   /* trang chi tiết giữ ô điểm như cũ (anh chốt 29/09) */
.hero .score.hi b{color:inherit;font-weight:600}
.score small{font-size:9.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;opacity:.8}
.minis{grid-column:1/-1;display:flex;gap:9px;align-items:flex-end}
.minis .g{display:flex;gap:3px;align-items:flex-end}
.minis svg{display:block}
.ks{grid-column:1/-1;display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text);flex-wrap:wrap}
.ks .tag{font-weight:800;color:#fff;background:var(--up);border-radius:5px;padding:2px 7px;font-size:11px}
.ks .wtag{font-weight:800;color:#fff;background:var(--down);border-radius:5px;padding:2px 7px;font-size:11px}

/* tra mã */
.search{display:flex;gap:8px;margin-top:14px}
.search input{flex:1;min-width:0;font:600 18px var(--mono);letter-spacing:.08em;text-transform:uppercase;padding:11px 14px;border-radius:10px;border:2px solid var(--purple);background:var(--bg);color:var(--ink)}
.search input::placeholder{font:500 14px var(--sans);letter-spacing:0;text-transform:none;color:var(--mute)}
.search button{border:0;border-radius:10px;background:var(--purple);color:#fff;font-weight:800;font-size:15px;padding:0 18px}
.msg{margin-top:8px;font-size:13px;font-weight:600;color:var(--down)}
.grid39{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;margin-top:10px}
.grid39 button{border:1px solid var(--line);background:var(--bg);border-radius:9px;padding:8px 4px;display:flex;flex-direction:column;align-items:center;gap:2px;color:var(--purple);font-weight:800;font-size:14px}
.grid39 button small{font:500 11px var(--mono);color:var(--mute)}
.grid39 button.hi{background:var(--yellow);border-color:#C9971A;color:var(--ink);font-weight:800}
.grid39 button.hi small{color:#1C7A3A;font-weight:800}

/* lịch sử & cài đặt */
.hrow{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px dashed var(--line)}
.hrow .sym{font-size:18px}
.hrow .mono{margin-left:auto}
.box{border:1px solid var(--line);border-radius:14px;padding:14px;display:flex;flex-direction:column;gap:10px;margin-top:14px;background:var(--bg)}
.box h3{margin:0;font-size:17px;font-weight:800;color:var(--purple);display:flex;align-items:center;gap:10px}
.box p{margin:0;font-size:13px;line-height:1.55;color:var(--text)}
.btn{align-self:flex-start;border:0;border-radius:9px;background:var(--purple);color:#fff;font-weight:800;padding:10px 16px}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.crit{display:grid;grid-template-columns:28px 1fr;gap:4px 10px;font-size:13px;color:var(--text);line-height:1.45}
.crit b{color:var(--ink)}
.crit .L{font:800 11px var(--sans);color:#fff;border-radius:50%;width:24px;height:24px;display:grid;place-items:center}

/* chi tiết mã */
.sheet{position:fixed;inset:0;z-index:20;background:var(--bg);overflow-y:auto;transform:translateY(100%);transition:transform .28s ease;visibility:hidden}
.sheet.on{transform:none;visibility:visible}
@media (prefers-reduced-motion:reduce){.sheet{transition:none}}
.sheet .in{max-width:520px;margin:0 auto;padding-inline:16px;padding-block:0 40px}
.sbar{position:sticky;top:0;z-index:2;background:var(--bg);display:flex;align-items:center;gap:10px;padding-block:calc(10px + env(safe-area-inset-top,0px)) 10px;border-bottom:1px solid var(--line)}
.back{border:0;background:var(--lav);color:var(--purple);font-weight:800;border-radius:9px;padding:8px 12px;font-size:14px}
.sbar .kicker{margin-left:auto}
.hero{display:grid;grid-template-columns:1fr auto;gap:6px 14px;padding-block:16px 4px}
.hero .sym{font-size:40px}
.hero .co{grid-column:1/-1;font-size:12.5px;color:var(--text);line-height:1.45}
.hero .score{padding:8px 12px;min-width:84px}
.hero .score b{font-size:26px}
.flags{grid-column:1/-1;display:flex;gap:6px;flex-wrap:wrap}
.flags span{font-size:11.5px;font-weight:700;border-radius:6px;padding:3px 8px}
.flags .w{background:var(--down-soft);color:var(--down)}
.flags .n{background:var(--tint);color:var(--mute)}
.flags .k{background:var(--lime-soft);color:var(--night)}
.chart{margin-top:12px;border:1px solid var(--line);border-radius:14px;padding:10px 6px 8px;background:var(--bg)}
.chart canvas{display:block;width:100%;height:230px}
.legend{display:flex;gap:12px;flex-wrap:wrap;padding:6px 8px 0;font-size:11px;font-weight:600;color:var(--text)}
.legend i{display:inline-block;width:16px;height:3px;border-radius:2px;vertical-align:middle;margin-right:5px}
.grp{margin-top:14px;border:1px solid var(--line);border-radius:14px;padding:12px 14px 6px}
.gh{display:flex;align-items:center;gap:10px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.ico{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;flex:none}
.ico svg{width:18px;height:18px}
.gh h3{margin:0;font-size:16px;font-weight:800;color:var(--ink);line-height:1.15}
.gh h3 small{display:block;font-size:11px;font-weight:600;color:var(--mute);letter-spacing:.02em}
.gs{margin-left:auto;font:600 14px var(--mono);color:#fff;background:var(--night);border-radius:6px;padding:3px 8px}
.gs.z{background:var(--tint);color:var(--mute)}
.it{display:grid;grid-template-columns:24px 1fr;gap:1px 10px;padding:10px 0}
.it+.it{border-top:1px dashed var(--line)}
.st{width:22px;height:22px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:900;grid-row:span 2;margin-top:1px}
.st.ok{background:var(--up);color:#fff}
.st.no{border:1.5px solid var(--line);color:var(--mute)}
.st.warn{background:var(--down);color:#fff}
.st.na{border:1.5px dashed var(--line);color:var(--mute)}
.st.info{background:var(--lav);color:var(--purple);font-family:Georgia,serif;font-style:italic}
.it .tt{font-weight:700;font-size:14px;color:var(--ink)}
.it.no .tt{color:var(--text);font-weight:600}
.it.warn .tt{color:var(--down)}
.it .dd{font-size:12.5px;color:var(--text);line-height:1.45;font-variant-numeric:tabular-nums}
.disc{margin-top:16px;font-size:11.5px;color:var(--mute);line-height:1.55}

/* thanh tab dưới — dải tím như chân ảnh */
nav{background:linear-gradient(90deg,var(--barA),var(--barB));display:grid;grid-template-columns:repeat(4,minmax(0,1fr));padding:8px 8px calc(10px + env(safe-area-inset-bottom,0px));border-top:3px solid var(--yellow)}
nav .w{max-width:520px}
nav button{display:flex;flex-direction:column;align-items:center;gap:3px;padding:6px 2px;min-height:48px;border:0;border-radius:10px;background:transparent;color:rgba(255,255,255,.72);font-size:11px;font-weight:600}
nav button svg{width:22px;height:22px;stroke:currentColor}
nav button[aria-selected="true"]{background:rgba(255,255,255,.12);color:var(--yellow);font-weight:800}

/* phần chỉ có ở app thật */
.empty{margin-top:14px;border:2px dashed var(--line);border-radius:14px;padding:16px;display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--text);line-height:1.5}
.empty b{font-size:16px;font-weight:800;color:var(--purple)}
.err{margin-top:14px;border-radius:12px;background:var(--down-soft);color:var(--down);padding:12px 14px;font-weight:600;font-size:13px}
.it .lk{grid-column:2;display:flex;flex-direction:column;gap:4px;margin-top:4px}
.it .lk a{font-size:12.5px;font-weight:600;color:var(--purple-2);text-decoration:underline;text-underline-offset:2px;line-height:1.35}
.it .lk a small{color:var(--mute);font-weight:500;text-decoration:none}
.recent{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px}
.recent button{border:1px solid var(--purple);background:var(--lav);color:var(--purple);font-weight:800;border-radius:999px;padding:5px 12px;font-size:13px}
.state{font-size:12.5px;color:var(--text);line-height:1.55}
.subcode textarea{width:100%;min-height:90px;margin-top:6px;font:500 11px var(--mono);border:1px solid var(--line);border-radius:8px;padding:8px;color:var(--ink);background:var(--tint)}
.meta{font-size:11.5px;color:var(--mute);line-height:1.6;margin-top:14px}
.toast{position:fixed;left:50%;bottom:calc(84px + env(safe-area-inset-bottom,0px));transform:translate(-50%,20px);opacity:0;pointer-events:none;background:var(--night);color:#fff;border-radius:12px;padding:10px 14px;max-width:min(92vw,420px);display:flex;flex-direction:column;gap:2px;font-size:12.5px;transition:opacity .2s,transform .2s;z-index:30}
.toast.on{opacity:1;transform:translate(-50%,0)}
.install{margin-top:12px;width:100%;border:0;border-radius:12px;background:var(--yellow);color:var(--purple);font:800 15px var(--sans);padding:12px 14px;box-shadow:0 2px 0 #C9971A;cursor:pointer}