@charset "UTF-8";
/* ══════════════════════════════════════════════════════════
   TYGIAVANG24H — STYLESHEET
   Tổ chức: 1.Tokens 2.Base 3.Header 4.Ticker 5.Scorecards
   6.Controls 7.Table 8.Tabs 9.Chart 10.Answer/FAQ
   11.Trend 12.Calculator 13.Compare 14.PWA 15.Responsive
   ══════════════════════════════════════════════════════════ */

/* ── 1. DESIGN TOKENS ────────────────────────────────────── */
:root{
  /* Surfaces */
  --bg:#0B0D12; --s1:#111420; --s2:#161A26; --s3:#1C2030;
  --surface:#111420;                 /* alias cho các block mới */
  --cream:rgba(240,180,41,.04);
  --border:#232840; --border2:#2E344E;

  /* Brand colors */
  --gold:#F0B429; --gold2:#FFD166; --gdim:rgba(240,180,41,.12);
  --gold-line:rgba(240,180,41,.25);
  --green:#00C896; --gdim2:rgba(0,200,150,.12);
  --red:#FF4D6A;   --rdim:rgba(255,77,106,.12);
  --blue:#4D9EFF;  --bdim:rgba(77,158,255,.12);
  --purple:#C47EFF;--pdim:rgba(196,126,255,.12);

  /* Text (2 tên/1 giá trị để tương thích code cũ + mới) */
  --text:#E4E8F4;  --ink:#E4E8F4;
  --text2:#8892B0; --muted:#8892B0;
  --text3:#4A5280; --hint:#4A5280;

  /* Type & radius */
  --mono:'DM Mono',monospace;
  --sans:'DM Sans',system-ui,sans-serif;
  --serif:'JetBrains Mono',monospace;        /* sc-val dùng --serif */
  --r:6px; --r2:10px; --r3:14px;
}

/* ── 2. BASE ─────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);background:var(--bg);color:var(--text);
  -webkit-font-smoothing:antialiased;line-height:1.5;font-size:13px;
}
.wrap{max-width:1100px;margin:0 auto;padding:0 14px 40px}

/* ── 3. HEADER ───────────────────────────────────────────── */
.hd{display:flex;align-items:center;justify-content:space-between;padding:14px 0 12px;border-bottom:1px solid var(--border);margin-bottom:14px;gap:10px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:10px}
.logo-icon{width:32px;height:32px;background:var(--gdim);border:1px solid var(--gold);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--gold);font-weight:700;font-family:var(--mono)}
.hd-title{font-size:16px;font-weight:600;color:var(--gold);letter-spacing:-.3px;line-height:1}
.hd-sub{font-size:10px;color:var(--text3);letter-spacing:.5px;text-transform:uppercase;margin-top:2px}
.hd-meta{display:flex;align-items:center;gap:10px}
.live-pill{display:flex;align-items:center;gap:5px;font-size:11px;font-weight:600;letter-spacing:.6px;text-transform:uppercase;color:var(--green);border:1px solid rgba(0,200,150,.3);background:var(--gdim2);padding:4px 10px;border-radius:20px}
.dot{width:6px;height:6px;border-radius:50%;background:var(--green);animation:pulse 1.8s ease-in-out infinite;flex-shrink:0}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.3;transform:scale(.8)}}
.update-time{font-size:11px;color:var(--text3);font-family:var(--mono)}

/* ── 4. TICKER ───────────────────────────────────────────── */
#ticker-bar{background:var(--s1);border:1px solid var(--border);border-radius:var(--r);padding:8px 14px;margin-bottom:12px;display:flex;overflow-x:auto;scrollbar-width:none}
#ticker-bar::-webkit-scrollbar{display:none}
.tk{display:flex;align-items:center;gap:8px;padding:0 14px;border-right:1px solid var(--border);white-space:nowrap;flex-shrink:0}
.tk:first-child{padding-left:0}
.tk:last-child{border-right:none}
.tk-name{font-size:11px;color:var(--text3);font-weight:500;letter-spacing:.3px}
.tk-price{font-family:var(--mono);font-size:12px;font-weight:500;color:var(--text)}
.tk-chg{font-family:var(--mono);font-size:11px;font-weight:500}
.tk-chg.up{color:var(--green)}
.tk-chg.dn{color:var(--red)}
.tk-chg.flat{color:var(--text3)}

/* ── 5. SCORECARDS ───────────────────────────────────────── */
#sum-bar{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-bottom:12px}

.sc{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:12px 14px;overflow:hidden;min-width:0}
.sc:hover{border-color:var(--border2)}
.sc::after{content:'';position:absolute;top:0;left:0;right:0;height:2px}
.sc.c-gold::after{background:linear-gradient(90deg,var(--gold),var(--gold2))}
.sc.c-green::after{background:linear-gradient(90deg,var(--green),#00FFBB)}
.sc.c-red::after{background:linear-gradient(90deg,var(--red),#FF8FA0)}
.sc.c-blue::after{background:linear-gradient(90deg,var(--blue),#99C9FF)}
.sc.c-purple::after{background:linear-gradient(90deg,var(--purple),#E0AAFF)}

/* Card rộng full hàng */
.sc.wide,.sc-market{grid-column:1 / -1;width:100%}

.sc-label{font-size:10px;letter-spacing:.6px;text-transform:uppercase;margin-bottom:6px}
.sc-val{font-family:var(--serif);font-size:22px;font-weight:700;color:var(--gold);line-height:1.1;white-space:nowrap;overflow:visible}
.sc-val.gold{color:var(--gold)}
.sc-val.green{color:var(--green)}
.sc-val.red{color:var(--red)}
.sc-val.blue{color:var(--blue)}
.sc-val.purple{color:var(--purple)}
.sc-row2{display:flex;align-items:center;justify-content:space-between;margin-top:6px;gap:6px;flex-wrap:wrap}
.sc-unit{font-size:10px;color:var(--text3)}
.sc-badge{font-size:10px;font-weight:600;padding:2px 7px;border-radius:4px;font-family:var(--mono)}
.bg-up{background:var(--gdim2);color:var(--green)}
.bg-dn{background:var(--rdim);color:var(--red)}
.bg-neu{background:var(--bdim);color:var(--blue)}
.bg-warn{background:var(--gdim);color:var(--gold)}
.sc-up{font-size:11px;font-weight:600;color:var(--green)}
.sc-dn{font-size:11px;font-weight:600;color:var(--red)}
.sc-spread{font-size:10px;color:var(--text3)}

/* Sentiment bar trong card thị trường */
.sc-trend-row{display:flex;height:8px;border-radius:3px;overflow:hidden;background:var(--s3);margin:8px 0 6px}
.sc-trend-up-bar{background:var(--green)}
.sc-trend-dn-bar{background:var(--red)}
.sc-trend-fl-bar{background:var(--text3)}
.sent-stats{display:flex;gap:10px;flex-wrap:wrap}
.sc-trend-up{display:flex;align-items:center;gap:4px;font-size:11px;color:var(--green)}
.sc-trend-dn{display:flex;align-items:center;gap:4px;font-size:11px;color:var(--red)}
.sc-trend-fl{display:flex;align-items:center;gap:4px;font-size:11px;color:var(--text2)}
.ss-dot{width:7px;height:7px;border-radius:50%;flex-shrink:0}

/* Card chênh lệch nội/ngoại (4 ô con) */
.diff-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}

/* Vị thế giá 1 năm */
.year-position-bar{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:12px 14px;margin-bottom:16px}
.ypb-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.ypb-label{font-size:12px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}
.ypb-value{font-family:var(--mono);font-size:15px;font-weight:700;color:var(--gold);display:flex;align-items:center;gap:8px}
.ypb-tag{font-size:10px;font-weight:600;padding:2px 8px;border-radius:10px;letter-spacing:.3px}
.ypb-high{background:var(--rdim);color:var(--red)}
.ypb-low{background:var(--gdim2);color:var(--green)}
.ypb-mid{background:var(--gdim);color:var(--gold)}
.ypb-range{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);margin-top:8px}
.ypb-cur{font-family:var(--mono);font-weight:600;color:var(--gold)}

/* ── 6. CONTROLS ─────────────────────────────────────────── */
.ctrl{display:flex;gap:5px;align-items:center;flex-wrap:wrap;margin-bottom:10px}
.ctrl-sep{width:1px;height:18px;background:var(--border);flex-shrink:0}
.cl{font-size:10px;letter-spacing:.5px;text-transform:uppercase;color:var(--text3)}
.chip{font-family:var(--sans);font-size:11px;font-weight:500;padding:5px 12px;border-radius:20px;border:1px solid var(--border);background:transparent;color:#fff;cursor:pointer;transition:all .15s;white-space:nowrap}
.chip:hover{border-color:var(--gold);color:var(--gold)}
.chip.on{background:var(--gdim);border-color:var(--gold);color:var(--gold)}
.srch{position:relative;margin-left:auto}
.srch input{font-family:var(--sans);font-size:12px;padding:6px 12px 6px 28px;border:1px solid var(--border);border-radius:20px;background:var(--s2);color:var(--text);outline:none;width:160px;transition:border-color .15s,width .2s}
.srch input:focus{border-color:var(--gold);width:200px}
.srch input::placeholder{color:var(--text3)}
.srch-ic{position:absolute;left:9px;top:50%;transform:translateY(-50%);color:var(--text3);font-size:13px;pointer-events:none}

/* ── 7. TABLE ────────────────────────────────────────────── */
.tc{background:var(--s1);border:1px solid var(--border);border-radius:var(--r3);overflow:hidden}
.tc-top{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;border-bottom:1px solid var(--border);background:var(--s2);gap:8px;flex-wrap:wrap}
.tc-title{font-size:12px;font-weight:500;color:var(--text2)}
.cnt{font-size:10px;font-weight:700;background:var(--gdim);color:var(--gold);padding:2px 8px;border-radius:10px;font-family:var(--mono)}
.rbtn{font-family:var(--sans);font-size:11px;padding:5px 12px;border:1px solid var(--border);border-radius:6px;background:transparent;color:var(--text2);cursor:pointer;transition:all .15s;display:flex;align-items:center;gap:5px}
.rbtn:hover{border-color:var(--gold);color:var(--gold)}
.rbtn:disabled{opacity:.4;cursor:not-allowed}
.spin-ic{display:inline-block}
.rbtn.loading .spin-ic{animation:spin .6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.tscroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;font-size:12px}
thead tr{background:var(--s2)}
th{padding:8px 12px;text-align:left;font-size:10px;font-weight:600;letter-spacing:.6px;text-transform:uppercase;color:var(--text3);border-bottom:1px solid var(--border);white-space:nowrap}
th.r,td.r{text-align:right}
td{padding:9px 12px;border-top:1px solid var(--border);vertical-align:middle;transition:background .1s}
tr:hover td{background:var(--s2)}
.gname{font-size:12.5px;line-height:1.35;max-width:220px;word-break:break-word;overflow-wrap:anywhere}
.bb{display:inline-flex;align-items:center;font-size:10px;font-weight:700;padding:2px 7px;border-radius:4px;letter-spacing:.3px}
.b-pnj{background:var(--bdim);color:var(--blue)}
.b-doji{background:var(--gdim);color:var(--gold)}
.b-pq{background:var(--gdim2);color:var(--green)}
.b-mh{background:var(--pdim);color:var(--purple)}
.city-tag{
  display:inline-flex;align-items:center;gap:4px;
  font-size:10.5px;font-weight:500;
  padding:3px 9px;border-radius:20px;
  background:var(--bdim);
  color:var(--blue);
  border:1px solid rgba(77,158,255,.25);
  white-space:nowrap;
  transition:all .15s;
}
.city-tag::before{
  content:'';
  width:4px;height:4px;border-radius:50%;
  background:var(--blue);
  flex-shrink:0;
}
tr:hover .city-tag{
  background:rgba(77,158,255,.18);
  border-color:rgba(77,158,255,.4);
}
/* Miền Bắc — xanh dương */
.city-tag[data-region="bac"]{background:var(--bdim);color:var(--blue);border-color:rgba(77,158,255,.25)}
.city-tag[data-region="bac"]::before{background:var(--blue)}

/* Miền Trung — vàng */
.city-tag[data-region="trung"]{background:var(--gdim);color:var(--gold);border-color:rgba(240,180,41,.25)}
.city-tag[data-region="trung"]::before{background:var(--gold)}

/* Miền Nam — xanh lá */
.city-tag[data-region="nam"]{background:var(--gdim2);color:var(--green);border-color:rgba(0,200,150,.25)}
.city-tag[data-region="nam"]::before{background:var(--green)}
.p{font-family:var(--mono);font-weight:500;font-size:12.5px}
.pbuy{color:var(--green)}
.psell{color:var(--red)}
.pnone{color:var(--text3);font-style:italic;font-weight:400}
.sp{font-family:var(--mono);font-size:11px;color:var(--text3)}
.diff-up{font-family:var(--mono);font-size:11px;font-weight:500;color:var(--green)}
.diff-dn{font-family:var(--mono);font-size:11px;font-weight:500;color:var(--red)}
.diff-flat{font-family:var(--mono);font-size:11px;color:var(--text3)}
.trend-up{display:inline-flex;align-items:center;gap:3px;font-size:10px;font-weight:700;padding:2px 8px;border-radius:10px;background:var(--gdim2);color:var(--green)}
.trend-dn{display:inline-flex;align-items:center;gap:3px;font-size:10px;font-weight:700;padding:2px 8px;border-radius:10px;background:var(--rdim);color:var(--red)}
.trend-flat{display:inline-flex;align-items:center;gap:3px;font-size:10px;font-weight:500;padding:2px 8px;border-radius:10px;background:var(--s3);color:var(--text3);border:1px solid var(--border)}
.tc-btm{display:flex;align-items:center;justify-content:space-between;padding:9px 16px;border-top:1px solid var(--border);background:var(--s2);flex-wrap:wrap;gap:8px}
.countdown{font-size:11px;color:var(--text3)}
.countdown strong{color:var(--gold);font-family:var(--mono)}
.pages{display:flex;gap:3px}
.pg{font-family:var(--mono);font-size:11px;font-weight:500;width:27px;height:27px;display:flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:5px;background:transparent;color:var(--text2);cursor:pointer;transition:all .15s}
.pg:hover,.pg.on{border-color:var(--gold);color:var(--gold)}
.pg.on{background:var(--gdim)}
.pg:disabled{opacity:.3;cursor:not-allowed}
.srow td{text-align:center;padding:36px 20px;color:var(--text2);font-size:13px}
.disc{margin-top:12px;padding:10px 14px;border:1px solid var(--border);border-radius:var(--r);background:var(--s1);font-size:11px;color:var(--text3);line-height:1.65}
.fallback-note{border-color:var(--gold-line);background:rgba(240,180,41,.06);color:var(--gold)}
@keyframes flashUp{0%{background:rgba(0,200,150,.15)}100%{background:transparent}}
@keyframes flashDn{0%{background:rgba(255,77,106,.15)}100%{background:transparent}}
.flash-up td{animation:flashUp .8s ease}
.flash-dn td{animation:flashDn .8s ease}
@keyframes fd{from{opacity:0;transform:translateY(3px)}to{opacity:1;transform:none}}
tbody tr{animation:fd .18s ease both}

/* ── 8. TABS ─────────────────────────────────────────────── */
.tab-pane{display:none}
.tab-pane.active{display:block}

.tab-nav{display:flex;gap:6px;border-bottom:2px solid var(--border);margin-bottom:16px}
.tab-btn{
  font-family:var(--sans);font-size:14px;font-weight:600;
  padding:11px 20px;border:none;cursor:pointer;
  background:transparent;color:var(--muted);
  border-radius:8px 8px 0 0;
  border-bottom:3px solid transparent;
  margin-bottom:-2px;
  transition:all .18s;
  position:relative;
}
.tab-btn:hover{
  color:var(--text);
  background:rgba(255,255,255,.03);
}
/* Tab active — nổi bật rõ */
.tab-btn.active{
  color:var(--gold);
  background:rgba(240,180,41,.1);
  border-bottom-color:var(--gold);
}
.tab-nav{
  display:flex;gap:8px;
  background:var(--s2);
  border:1px solid var(--border);
  border-radius:10px;
  padding:5px;
  margin-bottom:16px;
}
.tab-btn{
  font-family:var(--sans);font-size:14px;font-weight:600;
  padding:10px 18px;border:none;cursor:pointer;
  background:transparent;color:var(--muted);
  border-radius:7px;
  transition:all .18s;
  flex:1;
  white-space:nowrap;
}
.tab-btn:hover{color:var(--text)}
.tab-btn.active{
  background:var(--gold);
  color:#0B0D12;
  box-shadow:0 2px 8px rgba(240,180,41,.3);
}

/* ── 9. CHART ────────────────────────────────────────────── */
.chart-controls{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.csel{font-family:var(--sans);font-size:12px;padding:5px 10px;border:1px solid var(--border);border-radius:6px;background:var(--surface);color:var(--ink);outline:none;cursor:pointer}
.csel:focus{border-color:var(--gold)}
.chart-mode{display:flex;gap:3px}
.cmbtn{font-family:var(--sans);font-size:11px;font-weight:500;padding:4px 11px;border:1px solid var(--border);border-radius:4px;background:transparent;color:var(--muted);cursor:pointer;transition:all .15s}
.cmbtn:hover{border-color:var(--gold);color:var(--gold)}
.cmbtn.on{background:var(--gold);border-color:var(--gold);color:#0B0D12}
.chart-wrap{position:relative;min-height:260px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:16px}
.chart-state{text-align:center;padding:60px 20px;color:var(--hint);font-size:13px}
.chart-legend{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px;font-size:11px}
.leg-item{display:flex;align-items:center;gap:4px;color:var(--muted)}
.leg-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}

/* ── 10. ANSWER BOX + FAQ ────────────────────────────────── */
.answer-box{background:linear-gradient(135deg,rgba(240,180,41,.06),rgba(240,180,41,.02));border:1px solid var(--gold-line);border-radius:var(--r);padding:14px 18px;margin-bottom:16px}
.answer-box summary{cursor:pointer;list-style:none;user-select:none}
.answer-box summary::-webkit-details-marker{display:none}
.answer-box summary::after{content:' ▾';color:var(--gold)}
.answer-box[open] summary::after{content:' ▴'}
.ab-badge{display:inline-flex;align-items:center;font-size:11px;font-weight:600;color:var(--gold);margin-bottom:8px;letter-spacing:.3px}
.ab-content{margin-top:10px}
.ab-content p{font-size:14px;line-height:1.65;color:var(--ink);margin:0 0 8px}
.ab-content p:last-child{margin-bottom:0}
.ab-content strong{color:var(--gold);font-weight:600}
.ab-meta{font-size:12px!important;color:var(--muted)!important}
.ab-meta strong{color:var(--muted)!important}

/* FAQ — nội dung vẫn trong DOM cho AEO nhưng ẩn khỏi mắt (accessibility-safe) */
.faq-section{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.faq-title{font-size:18px;font-weight:600;color:var(--ink);margin-bottom:14px}
.faq-item{border:1px solid var(--border);border-radius:var(--r);margin-bottom:8px;overflow:hidden;background:var(--surface)}
.faq-item summary{cursor:pointer;padding:12px 16px;font-size:14px;font-weight:500;color:var(--ink);list-style:none;outline:none;transition:background .15s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:'+ ';color:var(--gold);font-weight:700;margin-right:6px}
.faq-item[open] summary::before{content:'− '}
.faq-item[open] summary,.faq-item summary:hover{background:var(--cream)}
.faq-answer{padding:4px 16px 14px;font-size:13.5px;line-height:1.65;color:var(--muted)}
.faq-answer strong{color:var(--gold)}

/* ── 11. TREND ANALYSIS ──────────────────────────────────── */
#tab-trend{padding-top:4px}
.trend-summary{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:16px 18px;margin-bottom:16px}
.ts-title{font-size:16px;font-weight:600;color:var(--ink);margin-bottom:10px}
.ts-content p{font-size:14px;line-height:1.7;color:var(--muted);margin-bottom:8px}
.ts-content strong{color:var(--gold)}

.trend-position{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:16px;margin-bottom:16px}
.tp-label{font-size:12px;color:var(--muted);margin-bottom:12px;text-transform:uppercase;letter-spacing:.5px}
.tp-range{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);margin-top:6px}
.tp-current{font-family:var(--mono);font-weight:600;color:var(--gold)}
.tp-note{font-size:13px;color:var(--muted);margin-top:12px;line-height:1.5}
.tp-note strong{color:var(--gold)}

/* Thanh gradient vị thế (dùng chung tp-bar / tp-marker) */
.tp-bar{position:relative;height:8px;background:linear-gradient(90deg,var(--green),var(--gold),var(--red));border-radius:4px;margin:20px 0 8px}
.tp-marker{position:absolute;top:-4px;width:4px;height:16px;background:#fff;border-radius:2px;transform:translateX(-50%);box-shadow:0 0 0 3px var(--surface)}

.trend-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-bottom:14px}
.trend-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:12px;text-align:center}
.trend-card.up{border-color:rgba(0,200,150,.3)}
.trend-card.down{border-color:rgba(255,77,106,.3)}
.tc-period{font-size:11px;color:var(--muted);margin-bottom:6px}
.tc-change{font-family:var(--mono);font-size:18px;font-weight:700;margin-bottom:2px}
.trend-card.up .tc-change{color:var(--green)}
.trend-card.down .tc-change{color:var(--red)}
.trend-card.flat .tc-change{color:var(--muted)}
.tc-amount{font-family:var(--mono);font-size:12px;color:var(--ink);margin-bottom:6px}
.tc-range{font-size:10px;color:var(--hint)}
.trend-disclaimer{font-size:11px;color:var(--hint);text-align:center;padding:10px}

/* ── 12. GOLD CALCULATOR ─────────────────────────────────── */
.gold-calc-wrap{border:1px solid var(--border);border-radius:var(--r);margin-bottom:16px;overflow:hidden;background:var(--surface)}
.gc-toggle{display:flex;align-items:center;gap:12px;padding:14px 16px;cursor:pointer;list-style:none;outline:none;user-select:none;transition:background .15s}
.gc-toggle::-webkit-details-marker{display:none}
.gc-toggle:hover{background:rgba(240,180,41,.05)}
.gold-calc-wrap[open] .gc-toggle{border-bottom:1px solid var(--border);background:var(--cream)}
.gc-toggle-icon{font-size:22px}
.gc-toggle-text{display:flex;flex-direction:column;gap:2px;flex:1}
.gc-toggle-title{font-size:15px;font-weight:600;color:var(--gold)}
.gc-toggle-sub{font-size:12px;color:var(--muted)}
.gc-toggle-arrow{font-size:22px;color:var(--muted);transition:transform .2s}
.gold-calc-wrap[open] .gc-toggle-arrow{transform:rotate(90deg)}

.gold-calc{background:var(--surface);border:0;border-radius:0;padding:18px;margin:0}
.gold-calc-body{display:grid;grid-template-columns:1.2fr 1fr;gap:20px;align-items:start}
.gc-grid{display:flex;flex-direction:column;gap:14px}
.gc-input-group{display:flex;flex-direction:column;gap:8px}
.gc-full{grid-column:1 / -1}
.gc-label{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}
.gc-qty{display:flex;align-items:stretch;border:1px solid var(--border);border-radius:var(--r);overflow:hidden}
.gc-qty input{flex:1;background:transparent;border:0;color:var(--gold);font-family:var(--mono);font-size:20px;font-weight:600;text-align:center;padding:10px;outline:none;min-width:0}
.gc-step{background:var(--s2);border:0;color:var(--gold);font-size:20px;width:44px;cursor:pointer;transition:background .15s}
.gc-step:hover{background:rgba(240,180,41,.15)}
.gc-unit-tabs{display:flex;gap:4px}
.gc-unit{flex:1;background:transparent;border:1px solid var(--border);border-radius:6px;color:var(--muted);font-size:12px;padding:6px;cursor:pointer;transition:all .15s}
.gc-unit.active{background:var(--gold);color:#0B0D12;border-color:var(--gold);font-weight:600}
.gc-select{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);color:var(--ink);font-size:14px;padding:11px 12px;width:100%;outline:none;cursor:pointer}
.gc-brand-chips{display:flex;flex-wrap:wrap;gap:6px}
.gc-brand-chip{display:inline-flex;align-items:center;gap:5px;background:transparent;border:1px solid var(--border);border-radius:20px;color:var(--muted);font-size:13px;padding:7px 12px;cursor:pointer;transition:all .15s}
.gc-brand-chip img{border-radius:3px;object-fit:contain}
.gc-brand-chip:hover{border-color:var(--gold);color:var(--ink)}
.gc-brand-chip.active{background:var(--gdim);border-color:var(--gold);color:var(--gold);font-weight:600}
.gc-type-list{display:flex;flex-direction:column;gap:6px;max-height:132px;overflow-y:auto;padding-right:4px}
.gc-type-list::-webkit-scrollbar{width:5px}
.gc-type-list::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
.gc-type-item{display:flex;justify-content:space-between;align-items:center;background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:10px 12px;cursor:pointer;transition:all .15s;text-align:left}
.gc-type-item:hover{border-color:var(--gold)}
.gc-type-item.active{background:var(--gdim);border-color:var(--gold)}
.gc-type-name{font-size:12px;color:var(--ink)}
.gc-type-price{font-family:var(--mono);font-size:12px;color:var(--muted)}
.gc-type-item.active .gc-type-price{color:var(--gold)}
.gc-result{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:16px 0 12px;padding-top:16px;border-top:1px solid var(--border)}
.gc-res-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:14px}
.gc-res-card.gc-buy{border-color:rgba(255,77,106,.3)}
.gc-res-card.gc-sell{border-color:rgba(0,200,150,.3)}
.gc-res-label{font-size:11px;color:var(--muted);margin-bottom:6px}
.gc-res-val{font-family:var(--mono);font-size:24px;font-weight:700;line-height:1.1}
.gc-buy .gc-res-val{color:var(--red)}
.gc-sell .gc-res-val{color:var(--green)}
.gc-res-note{font-size:11px;color:var(--hint);margin-top:4px}
.gc-hint{font-size:11px;color:var(--hint);text-align:center;margin-top:4px}

/* ── 13. COMPARE BAR ─────────────────────────────────────── */
.compare-bar{position:fixed;bottom:0;left:0;right:0;background:var(--surface);border-top:1px solid var(--border);padding:10px 16px;z-index:200;display:none;align-items:center;gap:10px;flex-wrap:wrap;box-shadow:0 -4px 16px rgba(0,0,0,.1)}
.compare-bar.show{display:flex}
.compare-item{display:flex;align-items:center;gap:6px;background:var(--cream);padding:4px 10px;border-radius:6px;font-size:11px}
.compare-remove{cursor:pointer;color:var(--muted);font-size:13px;line-height:1}
.compare-remove:hover{color:var(--red)}
.cmp-btn{font-family:var(--sans);font-size:11px;font-weight:600;padding:5px 14px;border-radius:6px;border:none;background:var(--gold);color:#0B0D12;cursor:pointer}

/* ── 14. PWA PROMPT ──────────────────────────────────────── */
#pwa-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:9998;backdrop-filter:blur(4px);animation:fadeIn .25s ease}
#pwa-card{position:fixed;bottom:0;left:0;right:0;z-index:9999;background:#111420;border:1px solid #232840;border-bottom:none;border-radius:20px 20px 0 0;padding:28px 24px 32px;max-width:480px;margin:0 auto;animation:slideUp .3s cubic-bezier(.34,1.56,.64,1)}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes slideUp{from{transform:translateY(100%)}to{transform:translateY(0)}}
@keyframes popIn{from{opacity:0;transform:translate(-50%,-46%)}to{opacity:1;transform:translate(-50%,-50%)}}
#pwa-close{position:absolute;top:14px;right:16px;background:rgba(255,255,255,.07);border:none;color:#8892B0;width:28px;height:28px;border-radius:50%;cursor:pointer;font-size:13px;display:flex;align-items:center;justify-content:center}
#pwa-close:hover{background:rgba(255,255,255,.12);color:#E4E8F4}
#pwa-icon{width:64px;height:64px;margin:0 auto 14px;border-radius:16px;overflow:hidden;box-shadow:0 4px 20px rgba(240,180,41,.25)}
#pwa-icon svg{width:64px;height:64px}
#pwa-title{font-size:17px;font-weight:700;color:#E4E8F4;text-align:center;margin-bottom:6px}
#pwa-sub{font-size:12.5px;color:#8892B0;text-align:center;margin-bottom:20px;line-height:1.5}
#pwa-install-btn{width:100%;padding:12px;background:#F0B429;color:#111;font-weight:700;border:none;border-radius:10px;font-size:14px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;font-family:inherit;transition:background .15s}
#pwa-install-btn:hover{background:#e6a800}
#pwa-steps{display:flex;flex-direction:column;gap:12px;margin-bottom:4px}
.pwa-step{display:flex;align-items:center;gap:12px;font-size:13px;color:#8892B0}
.pwa-step strong{color:#E4E8F4}
.pwa-step-num{width:26px;height:26px;border-radius:50%;background:rgba(240,180,41,.15);border:1px solid rgba(240,180,41,.3);color:#F0B429;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}
kbd{background:#161A26;border:1px solid #232840;border-radius:4px;padding:1px 6px;font-size:11px;font-family:monospace;color:#E4E8F4}
#pwa-later{width:100%;margin-top:14px;padding:9px;background:transparent;border:1px solid #232840;border-radius:8px;color:#8892B0;font-size:13px;cursor:pointer;font-family:inherit;transition:all .15s}
#pwa-later:hover{border-color:#F0B429;color:#F0B429}

/* ══════════════════════════════════════════════════════════
   15. RESPONSIVE — gom tất cả breakpoint về 1 chỗ
   ══════════════════════════════════════════════════════════ */

/* ≤1100px: scorecard 3 cột */
@media(max-width:1100px){
  #sum-bar{grid-template-columns:repeat(3,minmax(0,1fr))}
}

/* ≤768px: scorecard 2 cột, các grid con 2 cột */
@media(max-width:768px){
  #sum-bar{grid-template-columns:repeat(2,minmax(0,1fr))}
  .diff-grid{grid-template-columns:repeat(2,1fr)}
  .trend-grid{grid-template-columns:repeat(2,1fr)}
  .gold-calc-body{grid-template-columns:1fr}
}

/* ≤640px: ẩn cột phụ trong bảng */
@media(max-width:640px){
  .hm{display:none!important}
}

/* ≤560px: scorecard 1 cột, mọi grid con 1 cột */
@media(max-width:560px){
  #sum-bar{grid-template-columns:repeat(2,minmax(0,1fr)) !important;gap:8px}
  .sc{padding:10px 11px}
  .sc-val{font-size:15px}
  .sc-label{font-size:9px;letter-spacing:.3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .sc-unit{font-size:9px}
  .sc-badge{font-size:8.5px;padding:2px 5px}
  .sc-row2{gap:3px;margin-top:4px}
  .sc.wide,.sc-market{grid-column:1 / -1}
}

/* ≤480px: bảng gọn hơn, tên vàng hẹp hơn */
@media(max-width:480px){
  td{padding:7px 6px}
  .gname{max-width:160px;font-size:12px}
  .ab-content p{font-size:13px}
  .srch{width:100%;margin-left:0}
  .srch input{width:100%!important}
}

/* PWA: desktop căn giữa màn hình thay vì trượt từ dưới */
@media(min-width:520px){
  #pwa-card{bottom:auto;top:50%;left:50%;right:auto;transform:translate(-50%,-50%);border-radius:16px;border:1px solid #232840;animation:popIn .3s cubic-bezier(.34,1.56,.64,1)}
}

/* Calendar */
.date-picker-wrap{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.dp-label{font-size:12px;color:var(--muted)}
.dp-input{font-family:var(--sans);font-size:12px;padding:5px 10px;border:1px solid var(--border);border-radius:6px;background:var(--s2);color:var(--text);outline:none;cursor:pointer}
.dp-input:focus{border-color:var(--gold)}
.dp-badge{font-size:10px;font-weight:600;padding:2px 8px;border-radius:10px;background:var(--gdim);color:var(--gold)}
.dp-today{font-size:11px;color:var(--blue);text-decoration:none}
.dp-today:hover{text-decoration:underline}

.notice-bar{background:rgba(240,180,41,.1);border:1px solid var(--gold-line);border-radius:var(--r);padding:10px 14px;font-size:13px;color:var(--gold);margin-bottom:12px}

/* Desktop: grid card */
.price-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
.pitem{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:12px}
.pitem-icon{margin-bottom:6px}

/* Mobile: list dọc */
@media(max-width:560px){
  .price-grid{display:flex;flex-direction:column;gap:0;background:var(--surface);border:1px solid var(--border);border-radius:var(--r2);padding:14px 16px}
  .pitem{flex-direction:row;align-items:center;gap:12px;background:none;border:none;border-bottom:1px solid rgba(35,40,64,.5);border-radius:0;padding:11px 0}
  .pitem:last-child{border-bottom:none}
  .pitem-icon{margin:0;width:34px;height:34px;border-radius:50%;background:var(--s2);display:flex;align-items:center;justify-content:center}
  .pitem-label{flex:1;font-size:13px}
  .pitem-value{font-family:var(--mono);font-size:15px}
  .pitem-chg{min-width:60px;text-align:right}
}

.methodology{
  margin-top:28px;padding-top:22px;
  border-top:1px solid var(--border);
}
.mt-title{font-size:17px;font-weight:600;color:var(--text);margin-bottom:16px}
.mt-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px 28px;margin-bottom:20px}
.mt-block h3.mt-h3{
  font-size:13px;font-weight:600;color:var(--gold);
  margin-bottom:6px;letter-spacing:.2px;
}
.mt-block p{font-size:13px;line-height:1.7;color:var(--muted)}
.mt-block strong{color:var(--text);font-weight:500}

.mt-formula{
  display:inline-block;font-family:var(--mono);font-size:12px;
  background:var(--s2);border:1px solid var(--border);border-radius:5px;
  padding:5px 9px;margin:5px 0;color:var(--gold);
}

.mt-note{
  background:var(--s1);border:1px solid var(--border);
  border-radius:var(--r);padding:14px 16px;
}
.mt-note p{font-size:12.5px;line-height:1.7;color:var(--muted);margin-bottom:8px}
.mt-note p:last-child{margin-bottom:0}
.mt-note strong{color:var(--text)}
.mt-updated{font-size:11.5px!important;color:var(--hint)!important;font-family:var(--mono)}

@media(max-width:700px){
  .mt-grid{grid-template-columns:1fr;gap:18px}
  .mt-title{font-size:16px}
  .mt-block p{font-size:12.5px}
}

.pl-calc-wrap{border:1px solid var(--border);border-radius:var(--r);margin-bottom:16px;overflow:hidden;background:var(--surface)}
.pl-toggle{display:flex;align-items:center;gap:12px;padding:14px 16px;cursor:pointer;list-style:none;user-select:none}
.pl-toggle::-webkit-details-marker{display:none}
.pl-toggle:hover{background:rgba(240,180,41,.05)}
.pl-calc-wrap[open] .pl-toggle{border-bottom:1px solid var(--border)}
.pl-toggle-icon{font-size:22px}
.pl-toggle-text{display:flex;flex-direction:column;gap:2px;flex:1}
.pl-toggle-title{font-size:15px;font-weight:600;color:var(--gold)}
.pl-toggle-sub{font-size:12px;color:var(--muted)}
.pl-toggle-arrow{font-size:22px;color:var(--muted);transition:transform .2s}
.pl-calc-wrap[open] .pl-toggle-arrow{transform:rotate(90deg)}
.pl-calc-body{padding:18px}
.pl-inputs{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap;margin-bottom:16px}
.pl-field{display:flex;flex-direction:column;gap:6px;flex:1;min-width:140px}
.pl-label{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}
.pl-input{background:var(--s2);border:1px solid var(--border);border-radius:var(--r);color:var(--text);font-size:14px;padding:10px 12px;outline:none}
.pl-input:focus{border-color:var(--gold)}
.pl-btn{background:var(--gold);color:#0B0D12;font-weight:600;font-size:14px;padding:11px 20px;border:none;border-radius:var(--r);cursor:pointer;white-space:nowrap}
.pl-btn:hover{background:var(--gold2)}
.pl-result{border-radius:var(--r);padding:16px;border:1px solid}
.pl-result.profit{background:rgba(0,200,150,.08);border-color:rgba(0,200,150,.3)}
.pl-result.loss{background:rgba(255,77,106,.08);border-color:rgba(255,77,106,.3)}
.pl-res-main{font-family:var(--mono);font-size:26px;font-weight:700;margin-bottom:8px}
.pl-result.profit .pl-res-main{color:var(--green)}
.pl-result.loss .pl-res-main{color:var(--red)}
.pl-res-detail{font-size:13px;color:var(--muted);line-height:1.7}
.pl-res-detail strong{color:var(--text)}
.pl-error{color:var(--red);font-size:13px;padding:12px;text-align:center}

.mini-chart{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:14px 16px;margin-bottom:16px}
.mc-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.mc-title{font-size:14px;font-weight:600;color:var(--text)}
.mc-change{font-family:var(--mono);font-size:13px;font-weight:600}
.mc-change.up{color:var(--green)}
.mc-change.down{color:var(--red)}
.mc-canvas-wrap{position:relative;height:120px}

.quick-nav{
  display:none; /* chỉ hiện mobile */
  gap:8px;
  overflow-x:auto;
  padding:10px 0;
  margin-bottom:12px;
  scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
  scroll-snap-type:x proximity;
}
.quick-nav::-webkit-scrollbar{display:none}
.qn-chip{
  display:inline-flex;align-items:center;gap:5px;
  flex-shrink:0;
  font-size:13px;font-weight:500;
  padding:9px 14px;
  border-radius:20px;
  background:var(--s2);
  border:1px solid var(--border);
  color:var(--text);
  text-decoration:none;
  white-space:nowrap;
  scroll-snap-align:start;
  transition:all .15s;
}
.qn-chip:active{
  background:var(--gdim);
  border-color:var(--gold);
  color:var(--gold);
}
.qn-chip img{border-radius:3px;object-fit:contain}

/* Chỉ hiện trên mobile */
@media(max-width:768px){
  .quick-nav{display:flex}
}
@media(max-width:768px){
  .quick-nav{
    display:flex;
    position:sticky;
    top:0;
    z-index:50;
    background:var(--bg);
    padding:10px 14px;
    margin:0 -14px 12px; /* tràn viền để dính sát mép */
    border-bottom:1px solid var(--border);
    backdrop-filter:blur(8px);
  }
}
.ctrl, .tab-nav{
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
  padding-left:2px; /* chip đầu không dính mép */
}
.ctrl::-webkit-scrollbar, .tab-nav::-webkit-scrollbar{display:none}
.bottom-nav{
  display:none; /* chỉ mobile */
  position:fixed;
  bottom:0;left:0;right:0;
  z-index:100;
  background:rgba(17,20,32,.95);
  backdrop-filter:blur(12px);
  border-top:1px solid var(--border);
  padding:6px 0;
  padding-bottom:calc(6px + env(safe-area-inset-bottom)); /* chừa thanh home iPhone */
}
.bn-item{
  flex:1;
  display:flex;flex-direction:column;align-items:center;gap:3px;
  padding:6px 2px;
  text-decoration:none;
  color:var(--muted);
  transition:color .15s;
}
.bn-item:active,.bn-item.active{color:var(--gold)}
.bn-icon{font-size:20px;line-height:1}
.bn-label{font-size:10px;font-weight:500;line-height:1}

@media(max-width:768px){
  .bottom-nav{display:flex}
  /* Chừa chỗ cho bottom nav, tránh che nội dung cuối trang */
  body{padding-bottom:70px}
}

@media(min-width:769px){
  .bottom-nav{display:none}   /* ẩn bottom-nav */
  .quick-nav{display:none}    /* ẩn quick-nav */
  .top-nav{display:flex}      /* chỉ giữ top-nav */
}

.wide-cards{
  display:flex;
  flex-direction:column;
  gap:12px;
  margin-bottom:16px;
}
.wide-cards .sc.wide,
.wide-cards .sc-market{
  width:100%;
  /* bỏ grid-column vì không còn trong grid */
}
@media(max-width:560px){
  .diff-grid{grid-template-columns:1fr}
}
.brand-links{font-size:12px;color:var(--muted);margin:16px 0;line-height:2}
.brand-links a{color:var(--gold);text-decoration:none}
.brand-links a:hover{text-decoration:underline}
.bl-label{color:var(--hint);margin-right:6px}