/* ===== Design tokens =====
   Palette: nen tram toi kieu terminal giao dich
   - --bg: #0B0F14 (gan den, hoi xanh)
   - --panel: #121821
   - --panel-2: #1A2230
   - --line: #232D3D
   - --text: #E8EDF4
   - --muted: #8A97A8
   - --gold: #E3B341   (accent chinh - "hoa hong / loi nhuan")
   - --green: #35C48C  (tang / thanh cong)
   - --red: #E5566B    (giam / tu choi)
   Type: display = 'Space Grotesk' (ky thuat, ro net cho so lieu),
         body = 'Inter', mono = 'JetBrains Mono' cho so va ma code
*/
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@500;600&display=swap');

:root{
  --bg:#0B0F14;
  --panel:#121821;
  --panel-2:#1A2230;
  --line:#232D3D;
  --text:#E8EDF4;
  --muted:#8A97A8;
  --gold:#E3B341;
  --gold-dim:#7A6427;
  --green:#35C48C;
  --red:#E5566B;
  --radius:10px;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Inter',sans-serif;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,.display{
  font-family:'Space Grotesk',sans-serif;
  letter-spacing:-0.01em;
  margin:0;
}
.mono{font-family:'JetBrains Mono',monospace;}
a{color:inherit;text-decoration:none;}
::selection{background:var(--gold);color:#0B0F14;}

/* Layout */
.container{max-width:1180px;margin:0 auto;padding:0 24px;}
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 0;border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:10px;font-family:'Space Grotesk';font-weight:700;font-size:18px;}
.brand .mark{
  width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--gold),#a9791b);
  display:flex;align-items:center;justify-content:center;color:#0B0F14;font-weight:700;
}
.nav{display:flex;gap:22px;font-size:14px;color:var(--muted);align-items:center;}
.nav a:hover{color:var(--text);}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:8px;border:1px solid transparent;
  font-weight:600;font-size:14px;cursor:pointer;transition:.15s ease;
  font-family:'Inter';
}
.btn-primary{background:var(--gold);color:#0B0F14;}
.btn-primary:hover{background:#f0c250;}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text);}
.btn-ghost:hover{border-color:var(--gold);}
.btn-danger{background:transparent;border-color:var(--red);color:var(--red);}
.btn-danger:hover{background:rgba(229,86,107,.1);}
.btn-sm{padding:7px 14px;font-size:13px;}
.btn:disabled{opacity:.5;cursor:not-allowed;}

/* Cards / Panels */
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;
}
.grid{display:grid;gap:18px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
@media(max-width:800px){.grid-3,.grid-2{grid-template-columns:1fr;}}

.stat{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;position:relative;overflow:hidden;
}
.stat .label{color:var(--muted);font-size:13px;margin-bottom:8px;}
.stat .value{font-family:'JetBrains Mono';font-size:28px;font-weight:600;}
.stat .value.gold{color:var(--gold);}
.stat .value.green{color:var(--green);}
.stat.accent::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--gold);
}

/* Forms */
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;}
input,select,textarea{
  width:100%;padding:11px 13px;border-radius:8px;border:1px solid var(--line);
  background:var(--panel-2);color:var(--text);font-size:14px;font-family:'Inter';
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--gold);}
.form-box{max-width:420px;margin:60px auto;padding:32px;}
.form-box h2{margin-bottom:6px;}
.form-sub{color:var(--muted);font-size:14px;margin-bottom:24px;}
.error-msg{
  background:rgba(229,86,107,.12);border:1px solid var(--red);color:#ffb3c0;
  padding:10px 14px;border-radius:8px;font-size:13px;margin-bottom:16px;display:none;
}
.success-msg{
  background:rgba(53,196,140,.12);border:1px solid var(--green);color:#a6f0d4;
  padding:10px 14px;border-radius:8px;font-size:13px;margin-bottom:16px;display:none;
}

/* Table */
table{width:100%;border-collapse:collapse;font-size:14px;}
th{
  text-align:left;color:var(--muted);font-weight:500;font-size:12.5px;
  text-transform:uppercase;letter-spacing:.04em;padding:10px 12px;border-bottom:1px solid var(--line);
}
td{padding:12px;border-bottom:1px solid var(--line);}
tr:last-child td{border-bottom:none;}
.badge{
  display:inline-block;padding:4px 10px;border-radius:20px;font-size:12px;font-weight:600;
}
.badge-pending{background:rgba(227,179,65,.15);color:var(--gold);}
.badge-approved{background:rgba(53,196,140,.15);color:var(--green);}
.badge-paid{background:rgba(53,196,140,.25);color:var(--green);}
.badge-rejected{background:rgba(229,86,107,.15);color:var(--red);}
.badge-active{background:rgba(53,196,140,.15);color:var(--green);}
.badge-locked{background:rgba(229,86,107,.15);color:var(--red);}

/* Hero (landing) */
.hero{padding:90px 0 60px;position:relative;}
.hero-eyebrow{
  color:var(--gold);font-family:'JetBrains Mono';font-size:13px;letter-spacing:.08em;
  text-transform:uppercase;margin-bottom:16px;
}
.hero h1{font-size:52px;line-height:1.08;max-width:680px;}
.hero p.lead{color:var(--muted);font-size:18px;max-width:560px;margin-top:20px;line-height:1.6;}
.hero-cta{display:flex;gap:14px;margin-top:32px;}
@media(max-width:700px){.hero h1{font-size:34px;}}

.section{padding:60px 0;border-top:1px solid var(--line);}
.section-title{font-size:26px;margin-bottom:10px;}
.section-sub{color:var(--muted);margin-bottom:36px;max-width:560px;}

.feature{padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);}
.feature .num{font-family:'JetBrains Mono';color:var(--gold-dim);font-size:13px;margin-bottom:10px;}
.feature h3{font-size:17px;margin-bottom:8px;}
.feature p{color:var(--muted);font-size:14px;line-height:1.6;margin:0;}

.ib-link-box{
  display:flex;gap:10px;align-items:center;background:var(--panel-2);
  border:1px dashed var(--gold-dim);border-radius:8px;padding:12px 14px;margin-top:10px;
}
.ib-link-box code{font-family:'JetBrains Mono';color:var(--gold);font-size:13px;flex:1;overflow-x:auto;white-space:nowrap;}

.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:22px;}
.tab{padding:10px 16px;color:var(--muted);cursor:pointer;font-size:14px;font-weight:500;border-bottom:2px solid transparent;}
.tab.active{color:var(--text);border-bottom-color:var(--gold);}

.empty-state{text-align:center;padding:50px 20px;color:var(--muted);}
.footer{border-top:1px solid var(--line);padding:30px 0;color:var(--muted);font-size:13px;text-align:center;}

.page-wrap{padding:36px 0 60px;}
.page-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:26px;flex-wrap:wrap;gap:12px;}
.chart-bar-wrap{display:flex;align-items:flex-end;gap:8px;height:160px;padding-top:10px;}
.chart-bar{flex:1;background:linear-gradient(180deg,var(--gold),var(--gold-dim));border-radius:4px 4px 0 0;min-height:4px;position:relative;}
.chart-bar .tip{position:absolute;top:-22px;left:50%;transform:translateX(-50%);font-size:11px;color:var(--muted);white-space:nowrap;}
.chart-labels{display:flex;gap:8px;margin-top:8px;}
.chart-labels span{flex:1;text-align:center;font-size:11px;color:var(--muted);}

.modal-backdrop{
  position:fixed;inset:0;background:rgba(0,0,0,.6);display:none;align-items:center;justify-content:center;z-index:50;
}
.modal-backdrop.open{display:flex;}
.modal{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px;width:100%;max-width:420px;}

/* ===== Them cho trang chu phong cach nhieu san (broker/exchange listing) ===== */
.stats-bar{display:flex;gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:40px;}
.stats-bar .stat-item{flex:1;padding:18px;text-align:center;border-right:1px solid var(--line);}
.stats-bar .stat-item:last-child{border-right:none;}
.stats-bar .stat-item .num{font-family:'JetBrains Mono';font-size:22px;font-weight:600;color:var(--gold);}
.stats-bar .stat-item .lbl{font-size:12.5px;color:var(--muted);margin-top:4px;}
@media(max-width:700px){.stats-bar{flex-wrap:wrap;}.stats-bar .stat-item{flex:1 1 50%;border-bottom:1px solid var(--line);}}

.broker-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
@media(max-width:900px){.broker-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:600px){.broker-grid{grid-template-columns:1fr;}}
.broker-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;position:relative;transition:.15s;
}
.broker-card:hover{border-color:var(--gold-dim);}
.broker-card .badge-hot{
  position:absolute;top:14px;right:14px;background:var(--gold);color:#0B0F14;
  font-size:11px;font-weight:700;padding:3px 9px;border-radius:20px;
}
.broker-card .broker-name{font-family:'Space Grotesk';font-size:18px;font-weight:600;margin-bottom:14px;}
.broker-card .broker-rate{
  font-family:'JetBrains Mono';font-size:20px;color:var(--gold);font-weight:600;margin-bottom:2px;
}
.broker-card .broker-rate-label{font-size:12px;color:var(--muted);margin-bottom:16px;}
.broker-card .broker-actions{display:flex;gap:8px;}
.broker-card .broker-actions .btn{flex:1;}

.flow-wrap{
  display:flex;align-items:center;justify-content:center;gap:0;flex-wrap:wrap;
  padding:36px 20px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
}
.flow-node{text-align:center;padding:0 24px;}
.flow-node .circle{
  width:64px;height:64px;border-radius:50%;background:var(--panel-2);border:2px solid var(--gold-dim);
  display:flex;align-items:center;justify-content:center;margin:0 auto 10px;font-size:24px;
}
.flow-node .lbl{font-size:13px;color:var(--text);font-weight:500;}
.flow-arrow{color:var(--gold-dim);font-size:22px;}

.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
@media(max-width:800px){.step-grid{grid-template-columns:1fr;}}
.step-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px;text-align:left;
}
.step-card .step-icon{
  width:40px;height:40px;border-radius:8px;background:rgba(227,179,65,.12);color:var(--gold);
  display:flex;align-items:center;justify-content:center;font-family:'JetBrains Mono';font-weight:700;margin-bottom:14px;
}
.step-card h3{font-size:16px;margin-bottom:8px;}
.step-card p{color:var(--muted);font-size:13.5px;line-height:1.6;margin:0;}

.testi-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
@media(max-width:700px){.testi-grid{grid-template-columns:1fr;}}
.testi-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px;}
.testi-stars{color:var(--gold);font-size:14px;margin-bottom:10px;letter-spacing:2px;}
.testi-card p.quote{font-size:14px;line-height:1.6;color:var(--text);margin:0 0 16px;}
.testi-person{display:flex;align-items:center;gap:10px;}
.testi-person .avatar{
  width:36px;height:36px;border-radius:50%;background:var(--panel-2);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;color:var(--gold);
}
.testi-person .name{font-size:13.5px;font-weight:600;}
.testi-person .sub{font-size:12px;color:var(--muted);}

.faq-item{border-bottom:1px solid var(--line);padding:18px 0;}
.faq-item summary{cursor:pointer;font-weight:500;font-size:15px;list-style:none;display:flex;justify-content:space-between;align-items:center;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:'+';font-size:20px;color:var(--gold);}
.faq-item[open] summary::after{content:'−';}
.faq-item p{color:var(--muted);font-size:14px;line-height:1.6;margin:12px 0 0;}

.cta-banner{
  background:linear-gradient(135deg,var(--panel-2),var(--panel));border:1px solid var(--gold-dim);
  border-radius:var(--radius);padding:40px;text-align:center;
}
.cta-banner h2{font-size:26px;margin-bottom:10px;}
.cta-banner p{color:var(--muted);margin-bottom:22px;}

.link-manager-row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 14px;background:var(--panel-2);border:1px solid var(--line);border-radius:8px;margin-bottom:10px;
}
.link-manager-row .info .broker{font-weight:600;font-size:14px;}
.link-manager-row .info .acc{font-size:12.5px;color:var(--muted);font-family:'JetBrains Mono';}