:root {
  --bg: #07080c;
  --card: #10131b;
  --line: #1e2430;
  --text: #e8edf7;
  --muted: #8b95a8;
  --cyan: #3ecbff;
  --violet: #9b5cff;
  --lime: #c6ff3a;
  --gold: #e2b84a;
  --up: #3ee0a0;
  --down: #ff5d73;
  --warn: #ffb020;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-family: "Segoe UI", Inter, system-ui, sans-serif; -webkit-text-size-adjust: 100%; }
.bg {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background:
    radial-gradient(900px 420px at 10% -10%, rgba(62,203,255,.12), transparent 60%),
    radial-gradient(700px 380px at 90% 0%, rgba(155,92,255,.12), transparent 55%),
    radial-gradient(600px 300px at 70% 100%, rgba(198,255,58,.06), transparent 50%);
}
header, main, footer, .statusbar, .tabs, .banner { position: relative; z-index: 1; }
.top {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: calc(12px + env(safe-area-inset-top)) 16px 12px; border-bottom: 1px solid var(--line);
}
.brand { display: flex; gap: 12px; align-items: center; }
.logo { border-radius: 10px; box-shadow: 0 0 24px rgba(62,203,255,.2); }
h1 { margin: 0; font-size: 20px; letter-spacing: .08em; }
.brand p, .muted, footer { color: var(--muted); }
.brand p { margin: 2px 0 0; font-size: 12px; }
.small { font-size: 12px; }
.top-actions { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.btn {
  border: 1px solid var(--line); background: #161b25; color: var(--text);
  border-radius: 10px; padding: 9px 12px; cursor: pointer; font-weight: 600; font: inherit; font-weight: 600; min-height: 40px;
}
.btn.primary { background: linear-gradient(90deg, #1a6d88, #5b2ea8); border-color: transparent; }
.btn.ghost { background: transparent; }
.btn:disabled { opacity: .5; }
.hidden { display: none !important; }

.statusbar { display: flex; flex-wrap: wrap; gap: 6px 14px; padding: 8px 16px; font-size: 12px; border-bottom: 1px solid var(--line); }
.sb i { color: var(--muted); font-style: normal; margin-right: 4px; }
.sb b { font-weight: 650; }
.banner { margin: 10px 16px 0; padding: 10px 12px; border-radius: 10px; font-size: 13px; background: rgba(62,203,255,.1); border: 1px solid rgba(62,203,255,.3); }
.banner.warn { background: rgba(255,176,32,.1); border-color: rgba(255,176,32,.4); color: var(--warn); }
.banner.bad { background: rgba(255,93,115,.1); border-color: rgba(255,93,115,.4); color: var(--down); }

.tabs { display: flex; gap: 4px; padding: 10px 16px 0; overflow-x: auto; }
.tab { flex: 1 0 auto; border: 1px solid var(--line); border-bottom: none; background: transparent; color: var(--muted); padding: 10px 14px; border-radius: 10px 10px 0 0; font: inherit; font-weight: 650; cursor: pointer; min-height: 44px; }
.tab.active { background: var(--card); color: var(--text); box-shadow: inset 0 2px 0 var(--cyan); }
main { padding: 0 16px 36px; display: block; max-width: 1180px; margin: 0 auto; }
.view { display: grid; gap: 14px; padding-top: 14px; }
.card {
  background: linear-gradient(180deg, rgba(16,19,27,.96), rgba(12,14,20,.92));
  border: 1px solid var(--line); border-radius: 16px; padding: 14px 16px;
}
.hero { display: grid; grid-template-columns: 1.1fr 1.4fr; gap: 18px; }
.deskpick { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.pair { color: var(--gold); font-size: 12px; letter-spacing: .14em; }
.price { font-size: 44px; font-weight: 750; letter-spacing: -.03em; line-height: 1.05; }
.chg.up { color: var(--up); }
.chg.down { color: var(--down); }
.meta-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
.meta-grid span { display: block; color: var(--muted); font-size: 11px; }
.meta-grid b { font-size: 14px; }
.status-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.big { font-size: 20px; font-weight: 750; margin: 6px 0; }
.status.ok { box-shadow: inset 0 0 0 1px rgba(62,224,160,.35); }
.status.bad { box-shadow: inset 0 0 0 1px rgba(255,93,115,.35); }
.status.warn { box-shadow: inset 0 0 0 1px rgba(255,176,32,.35); }
h2 { margin: 0; font-size: 13px; color: #c9d3e7; letter-spacing: .04em; text-transform: uppercase; }
.section-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; gap: 8px; }
.pill { font-size: 11px; padding: 3px 8px; border-radius: 99px; background: rgba(62,203,255,.12); color: var(--cyan); white-space: nowrap; }
.pill.dim { background: #1a2030; color: var(--muted); }
.pill.ok { background: rgba(62,224,160,.14); color: var(--up); }
.pill.bad { background: rgba(255,93,115,.14); color: var(--down); }
.pill.warn { background: rgba(255,176,32,.14); color: var(--warn); }
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 9px 8px; border-bottom: 1px solid #1a2030; white-space: nowrap; }
th { color: var(--muted); font-weight: 600; }
.tag { padding: 2px 8px; border-radius: 99px; font-size: 12px; font-weight: 700; }
.tag.tang { background: rgba(62,224,160,.12); color: var(--up); }
.tag.giam { background: rgba(255,93,115,.12); color: var(--down); }
.tag.sideway { background: #1a2030; color: var(--muted); }
.tag.upper { background: rgba(255,93,115,.16); color: var(--down); }
.tag.lower { background: rgba(62,224,160,.16); color: var(--up); }
.tag.in { background: #1a2030; color: #9aa6bb; }
.order {
  margin: 0; white-space: pre-wrap; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px; line-height: 1.55; color: #d7deea; background: #0b0e14; padding: 14px; border-radius: 12px; overflow-wrap: anywhere;
}
.two { display: grid; grid-template-columns: 1.2fr .8fr; gap: 14px; }
.log { list-style: none; margin: 0; padding: 0; max-height: 300px; overflow: auto; }
.log li { padding: 8px 0; border-bottom: 1px solid #1a2030; font-size: 13px; }
.rules { margin: 10px 0 0; padding-left: 18px; color: #c5cedd; font-size: 13px; }
.rules li { margin: 8px 0; }
.settings { display: grid; gap: 12px; margin-top: 10px; color: var(--muted); font-size: 14px; }
.settings label { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
select, input[type=time], input[type=password], input[type=text] { background: #161b25; color: var(--text); border: 1px solid var(--line); border-radius: 8px; padding: 9px 10px; font: inherit; min-height: 40px; }
input[type=password] { width: 100%; }
input[type=checkbox] { width: 20px; height: 20px; accent-color: var(--cyan); }
footer { text-align: center; padding: 8px 16px calc(28px + env(safe-area-inset-bottom)); font-size: 12px; }

/* Tổng quan: ma trận */
.ov td, .ov th { padding: 8px 6px; }
.cell {
  width: 100%; min-width: 118px; text-align: left; border: 1px solid var(--line); background: #0d1017; color: var(--text);
  border-radius: 12px; padding: 8px 10px; cursor: pointer; font: inherit; display: grid; gap: 3px; min-height: 64px;
}
.cell .st { font-weight: 750; font-size: 13px; }
.cell .mt { font-size: 11px; color: var(--muted); }
.cell.k-XEM_LONG { box-shadow: inset 0 0 0 1px rgba(62,224,160,.6); }
.cell.k-XEM_LONG .st { color: var(--up); }
.cell.k-XEM_SHORT { box-shadow: inset 0 0 0 1px rgba(255,93,115,.6); }
.cell.k-XEM_SHORT .st { color: var(--down); }
.cell.k-CANH_BAO { box-shadow: inset 0 0 0 1px rgba(255,176,32,.55); }
.cell.k-CANH_BAO .st { color: var(--warn); }
.cell.k-THIEU_DU_LIEU .st { color: var(--muted); }
.cell.off { opacity: .35; cursor: default; }
.symcell b { font-size: 14px; }
.symcell span { display: block; color: var(--muted); font-size: 11px; }
#trigCard.trig-long { box-shadow: inset 0 0 0 1px rgba(62,224,160,.55); }
#trigCard.trig-short { box-shadow: inset 0 0 0 1px rgba(255,93,115,.55); }
.edgeneg { color: var(--down); font-weight: 700; }
.edgeoff { color: var(--warn); font-size: 12px; }

@media (max-width: 900px) {
  .hero, .status-row, .two { grid-template-columns: 1fr; }
  .price { font-size: 36px; }
}
@media (max-width: 520px) {
  .top { align-items: flex-start; flex-direction: column; }
  .top-actions { justify-content: flex-start; }
  .meta-grid { grid-template-columns: 1fr 1fr; }
}