/* BotTrading — hệ thiết kế dạng "trading terminal": nền tối sâu, số liệu dùng font đơn cách, xanh = lãi, đỏ = lỗ. */
:root {
  --bg: #06080c;
  --bg-2: #0a0e14;
  --panel: #0f141c;
  --panel-2: #141a24;
  --panel-3: #19212d;
  --line: #1d2532;
  --line-2: #283244;
  --text: #e9eef6;
  --text-2: #aab4c6;
  --muted: #6c788d;
  --brand: #6d7cff;
  --brand-2: #22d3ee;
  --brand-soft: rgba(109, 124, 255, .14);
  --up: #1fd18c;
  --up-soft: rgba(31, 209, 140, .12);
  --down: #f6465d;
  --down-soft: rgba(246, 70, 93, .12);
  --warn: #f5b941;
  --warn-soft: rgba(245, 185, 65, .12);
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 20px 60px -20px rgba(0, 0, 0, .7);
  --font: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;
  --grad: linear-gradient(135deg, #6d7cff 0%, #22d3ee 100%);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 400 14.5px/1.55 var(--font);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
a { color: var(--brand-2); text-decoration: none; }
a:hover { text-decoration: underline; }
img, svg { max-width: 100%; }
h1, h2, h3, h4 { margin: 0; line-height: 1.2; letter-spacing: -.015em; }
p { margin: 0; }
.mono, .num { font-family: var(--mono); font-feature-settings: "tnum" 1; letter-spacing: -.01em; }
.up { color: var(--up) !important; }
.down { color: var(--down) !important; }
.muted { color: var(--muted); }
.dim { color: var(--text-2); }
.small { font-size: 12.5px; }
.hide { display: none !important; }
.grad-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
::selection { background: rgba(109, 124, 255, .35); }

/* ---------- Buttons & inputs ---------- */
.btn {
  --b: var(--panel-3);
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 40px; padding: 0 16px; border-radius: 10px; border: 1px solid var(--line-2);
  background: var(--b); color: var(--text); font: 600 14px/1 var(--font); cursor: pointer;
  transition: transform .08s ease, background .15s, border-color .15s, opacity .15s; white-space: nowrap;
  text-decoration: none !important;
}
.btn:hover { border-color: #3a475d; background: #1e2735; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.primary { background: var(--grad); border: 0; color: #050816; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.success { background: var(--up); border: 0; color: #03140c; }
.btn.danger { background: transparent; border-color: rgba(246, 70, 93, .45); color: var(--down); }
.btn.danger:hover { background: var(--down-soft); }
.btn.ghost { background: transparent; border-color: transparent; color: var(--text-2); }
.btn.ghost:hover { background: var(--panel-2); color: var(--text); }
.btn.sm { height: 32px; padding: 0 12px; font-size: 13px; border-radius: 8px; }
.btn.lg { height: 50px; padding: 0 24px; font-size: 15.5px; border-radius: 12px; }
.btn.block { width: 100%; }
.btn .spin { width: 15px; height: 15px; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field > label, .label { font-size: 12.5px; font-weight: 600; color: var(--text-2); letter-spacing: .01em; }
.field .hint { font-size: 12px; color: var(--muted); }
.input, select.input, textarea.input {
  width: 100%; height: 42px; padding: 0 13px; border-radius: 10px; border: 1px solid var(--line-2);
  background: var(--bg-2); color: var(--text); font: 500 14px var(--font); outline: none; transition: border-color .15s, box-shadow .15s;
}
textarea.input { height: auto; padding: 10px 13px; resize: vertical; }
.input:focus { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft); }
.input.mono { font-family: var(--mono); font-size: 13.5px; }
.input-group { position: relative; display: flex; align-items: center; }
.input-group .input { padding-right: 62px; }
.input-group .suffix { position: absolute; right: 12px; color: var(--muted); font-size: 12.5px; font-weight: 600; pointer-events: none; }
select.input { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 17px) 18px, calc(100% - 12px) 18px; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 32px; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 13.5px; color: var(--text-2); cursor: pointer; }
.check input { margin-top: 3px; accent-color: var(--brand); width: 16px; height: 16px; }
.row { display: flex; gap: 12px; align-items: center; }
.row.wrap { flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.grow { flex: 1; min-width: 0; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }

.seg { display: inline-flex; background: var(--bg-2); border: 1px solid var(--line-2); border-radius: 10px; padding: 3px; gap: 2px; flex-wrap: wrap; }
.seg button { border: 0; background: transparent; color: var(--text-2); font: 600 13px var(--font); height: 32px; padding: 0 13px; border-radius: 7px; cursor: pointer; }
.seg button.on { background: var(--panel-3); color: var(--text); box-shadow: inset 0 0 0 1px var(--line-2); }
.seg button:disabled { opacity: .4; cursor: not-allowed; }

.switch { position: relative; width: 42px; height: 24px; display: inline-block; flex: none; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch span { position: absolute; inset: 0; background: var(--line-2); border-radius: 99px; transition: .2s; cursor: pointer; }
.switch span::after { content: ""; position: absolute; width: 18px; height: 18px; left: 3px; top: 3px; border-radius: 50%; background: #fff; transition: .2s; }
.switch input:checked + span { background: var(--up); }
.switch input:checked + span::after { transform: translateX(18px); }

/* ---------- Badges / pills ---------- */
.pill { display: inline-flex; align-items: center; gap: 6px; height: 24px; padding: 0 10px; border-radius: 99px; font-size: 12px; font-weight: 600; background: var(--panel-3); color: var(--text-2); border: 1px solid var(--line-2); white-space: nowrap; }
.pill.dot::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.pill.up { background: var(--up-soft); border-color: transparent; }
.pill.down { background: var(--down-soft); border-color: transparent; }
.pill.warn { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
.pill.brand { background: var(--brand-soft); color: #aab4ff; border-color: transparent; }
.pill.live.dot::before { animation: pulse 1.6s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1 } 50% { opacity: .3 } }
.tag { font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }

/* ---------- Cards ---------- */
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); }
.card-h { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 18px; border-bottom: 1px solid var(--line); }
.card-h h3 { font-size: 15px; font-weight: 700; }
.card-b { padding: 18px; }
.card.pad { padding: 18px; }
.kpi { padding: 16px 18px; }
.kpi .k { font-size: 12.5px; color: var(--muted); font-weight: 600; display: flex; align-items: center; gap: 6px; }
.kpi .v { font: 600 24px/1.2 var(--mono); margin-top: 6px; letter-spacing: -.02em; }
.kpi .s { font-size: 12.5px; color: var(--muted); margin-top: 4px; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; }
table.t { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.t th { text-align: left; font-size: 11.5px; letter-spacing: .05em; text-transform: uppercase; color: var(--muted); font-weight: 700; padding: 10px 14px; border-bottom: 1px solid var(--line); white-space: nowrap; background: var(--panel); position: sticky; top: 0; }
table.t td { padding: 11px 14px; border-bottom: 1px solid var(--line); vertical-align: middle; }
table.t tr:last-child td { border-bottom: 0; }
table.t tbody tr:hover td { background: rgba(255, 255, 255, .015); }
table.t .r { text-align: right; }
.empty { padding: 40px 20px; text-align: center; color: var(--muted); }
.empty .ico { width: 44px; height: 44px; margin: 0 auto 10px; border-radius: 12px; display: grid; place-items: center; background: var(--panel-2); color: var(--text-2); }

/* ---------- Modal & toast ---------- */
.ov { position: fixed; inset: 0; background: rgba(3, 5, 9, .72); backdrop-filter: blur(6px); display: grid; place-items: center; z-index: 100; padding: 16px; animation: fade .15s; }
@keyframes fade { from { opacity: 0 } }
.modal { width: 100%; max-width: 520px; max-height: calc(100vh - 32px); overflow: auto; background: var(--panel); border: 1px solid var(--line-2); border-radius: 18px; box-shadow: var(--shadow); animation: pop .18s ease; }
.modal.wide { max-width: 760px; }
@keyframes pop { from { transform: translateY(8px) scale(.98); opacity: 0 } }
.modal-h { display: flex; align-items: center; justify-content: space-between; padding: 18px 20px; border-bottom: 1px solid var(--line); }
.modal-h h3 { font-size: 17px; }
.modal-b { padding: 20px; }
.modal-f { display: flex; justify-content: flex-end; gap: 10px; padding: 14px 20px; border-top: 1px solid var(--line); }
.x { width: 34px; height: 34px; border-radius: 9px; border: 0; background: transparent; color: var(--muted); cursor: pointer; display: grid; place-items: center; }
.x:hover { background: var(--panel-2); color: var(--text); }
#toasts { position: fixed; right: 18px; bottom: 18px; display: flex; flex-direction: column; gap: 10px; z-index: 200; max-width: calc(100vw - 36px); }
.toast { display: flex; gap: 10px; align-items: flex-start; min-width: 280px; max-width: 420px; padding: 13px 15px; border-radius: 12px; background: var(--panel-2); border: 1px solid var(--line-2); box-shadow: var(--shadow); animation: pop .2s; font-size: 13.5px; }
.toast .bar { width: 4px; align-self: stretch; border-radius: 4px; background: var(--brand); }
.toast.ok .bar { background: var(--up); }
.toast.err .bar { background: var(--down); }
.toast b { display: block; margin-bottom: 2px; }

.notice { display: flex; gap: 12px; padding: 13px 15px; border-radius: 12px; background: var(--panel-2); border: 1px solid var(--line-2); font-size: 13.5px; color: var(--text-2); }
.notice.warn { background: var(--warn-soft); border-color: rgba(245, 185, 65, .3); color: #f3d79a; }
.notice.err { background: var(--down-soft); border-color: rgba(246, 70, 93, .3); color: #ffb3bd; }
.notice.ok { background: var(--up-soft); border-color: rgba(31, 209, 140, .3); color: #a5f0cf; }
.notice.info { background: var(--brand-soft); border-color: rgba(109, 124, 255, .3); color: #c7cdff; }
.notice svg { flex: none; margin-top: 1px; }

/* ---------- Logo ---------- */
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 17px; letter-spacing: -.02em; color: var(--text); text-decoration: none !important; }
.logo .mark { width: 32px; height: 32px; border-radius: 9px; background: var(--grad); display: grid; place-items: center; box-shadow: 0 6px 20px -6px rgba(109, 124, 255, .7); }
.logo .mark svg { width: 18px; height: 18px; }
.logo small { display: block; font-size: 10.5px; font-weight: 600; color: var(--muted); letter-spacing: .08em; text-transform: uppercase; margin-top: 1px; }

/* =================================================================== APP SHELL */
.shell { display: grid; grid-template-columns: 248px 1fr; min-height: 100vh; }
.side { position: sticky; top: 0; height: 100vh; background: var(--bg-2); border-right: 1px solid var(--line); display: flex; flex-direction: column; padding: 18px 14px; overflow-y: auto; }
.side .logo { padding: 2px 8px 18px; }
.nav-g { margin-top: 10px; }
.nav-g .tag { padding: 10px 10px 6px; display: block; }
.nav a { display: flex; align-items: center; gap: 11px; height: 40px; padding: 0 11px; border-radius: 10px; color: var(--text-2); font-weight: 500; text-decoration: none !important; margin-bottom: 2px; position: relative; }
.nav a svg { width: 18px; height: 18px; flex: none; opacity: .85; }
.nav a:hover { background: var(--panel); color: var(--text); }
.nav a.on { background: var(--panel-2); color: var(--text); box-shadow: inset 0 0 0 1px var(--line-2); }
.nav a.on::before { content: ""; position: absolute; left: -14px; top: 10px; bottom: 10px; width: 3px; border-radius: 0 3px 3px 0; background: var(--grad); }
.nav a .cnt { margin-left: auto; font: 600 11px var(--mono); background: var(--down); color: #fff; border-radius: 99px; padding: 1px 7px; }
.side-foot { margin-top: auto; padding-top: 14px; }
.side-card { padding: 14px; border-radius: 12px; background: linear-gradient(160deg, rgba(109, 124, 255, .16), rgba(34, 211, 238, .06)); border: 1px solid rgba(109, 124, 255, .25); }
.side-card b { font-size: 13.5px; }
.side-card p { font-size: 12.5px; color: var(--text-2); margin: 4px 0 10px; }

.main { min-width: 0; display: flex; flex-direction: column; }
.top { position: sticky; top: 0; z-index: 30; display: flex; align-items: center; gap: 14px; height: 64px; padding: 0 28px; background: rgba(6, 8, 12, .82); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.top h1 { font-size: 18px; font-weight: 700; }
.top .crumb { font-size: 12.5px; color: var(--muted); }
.top .right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.bal { display: flex; align-items: center; gap: 10px; height: 40px; padding: 0 6px 0 14px; border-radius: 11px; background: var(--panel); border: 1px solid var(--line); }
.bal .l { font-size: 11px; color: var(--muted); font-weight: 600; line-height: 1.1; }
.bal .v { font: 600 14px var(--mono); line-height: 1.2; }
.avatar { width: 38px; height: 38px; border-radius: 11px; background: var(--panel-3); border: 1px solid var(--line-2); display: grid; place-items: center; font-weight: 700; cursor: pointer; color: var(--text); }
.menu { position: absolute; right: 24px; top: 58px; min-width: 230px; background: var(--panel-2); border: 1px solid var(--line-2); border-radius: 12px; box-shadow: var(--shadow); padding: 6px; z-index: 50; }
.menu .who { padding: 10px 12px 12px; border-bottom: 1px solid var(--line); margin-bottom: 6px; }
.menu a, .menu button { display: flex; width: 100%; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 8px; color: var(--text-2); background: transparent; border: 0; font: 500 14px var(--font); cursor: pointer; text-decoration: none !important; }
.menu a:hover, .menu button:hover { background: var(--panel-3); color: var(--text); }
.burger { display: none; }
.content { padding: 26px 28px 60px; max-width: 1360px; width: 100%; }
.page-h { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.page-h h2 { font-size: 24px; font-weight: 800; }
.page-h p { color: var(--text-2); margin-top: 4px; }
.stack > * + * { margin-top: 18px; }
.section-t { font-size: 15px; font-weight: 700; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }

/* Bots */
.bots { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 16px; }
.bot { padding: 18px; display: flex; flex-direction: column; gap: 14px; transition: border-color .15s, transform .15s; }
.bot:hover { border-color: var(--line-2); }
.bot .bh { display: flex; align-items: flex-start; gap: 12px; }
.bot .ex { width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center; font-weight: 800; font-size: 13px; flex: none; }
.bot h4 { font-size: 15.5px; font-weight: 700; }
.bot .meta { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }
.bot .stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border-radius: 10px; overflow: hidden; }
.bot .stats > div { background: var(--panel-2); padding: 10px 12px; }
.bot .stats .k { font-size: 11px; color: var(--muted); font-weight: 600; }
.bot .stats .v { font: 600 14.5px var(--mono); margin-top: 2px; }
.bot .acts { display: flex; gap: 8px; }
.ex-binance { background: rgba(240, 185, 11, .14); color: #f0b90b; }
.ex-okx { background: rgba(255, 255, 255, .08); color: #fff; }
.ex-bybit { background: rgba(247, 166, 0, .12); color: #f7a600; }

/* Wizard */
.steps { display: flex; gap: 8px; margin-bottom: 22px; flex-wrap: wrap; }
.step { flex: 1; min-width: 150px; display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-radius: 12px; background: var(--panel); border: 1px solid var(--line); cursor: pointer; }
.step .n { width: 28px; height: 28px; border-radius: 8px; display: grid; place-items: center; font: 700 13px var(--mono); background: var(--panel-3); color: var(--text-2); flex: none; }
.step b { font-size: 13.5px; display: block; }
.step span { font-size: 12px; color: var(--muted); }
.step.on { border-color: var(--brand); background: linear-gradient(160deg, var(--brand-soft), transparent); }
.step.on .n { background: var(--grad); color: #050816; }
.step.done .n { background: var(--up-soft); color: var(--up); }
.choices { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 12px; }
.choice { position: relative; padding: 16px; border-radius: 13px; background: var(--panel-2); border: 1px solid var(--line-2); cursor: pointer; transition: border-color .15s, background .15s; text-align: left; color: var(--text); font: inherit; }
.choice:hover { border-color: #3a475d; }
.choice.on { border-color: var(--brand); background: linear-gradient(160deg, rgba(109, 124, 255, .13), var(--panel-2) 70%); box-shadow: 0 0 0 3px var(--brand-soft); }
.choice.on::after { content: "✓"; position: absolute; top: 12px; right: 12px; width: 22px; height: 22px; border-radius: 50%; background: var(--grad); color: #050816; font: 800 12px/22px var(--font); text-align: center; }
.choice.locked { opacity: .5; cursor: not-allowed; }
.choice h4 { font-size: 14.5px; font-weight: 700; margin-bottom: 4px; padding-right: 24px; }
.choice p { font-size: 12.5px; color: var(--text-2); }
.choice .ex { width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; font-weight: 800; font-size: 12px; margin-bottom: 10px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { display: inline-flex; align-items: center; gap: 6px; height: 32px; padding: 0 8px 0 12px; border-radius: 9px; background: var(--brand-soft); border: 1px solid rgba(109, 124, 255, .35); font: 600 13px var(--mono); }
.chip button { width: 20px; height: 20px; border: 0; border-radius: 6px; background: transparent; color: var(--text-2); cursor: pointer; }
.chip button:hover { background: rgba(255, 255, 255, .1); }
.sym-list { max-height: 260px; overflow: auto; border: 1px solid var(--line-2); border-radius: 11px; margin-top: 8px; }
.sym { display: flex; align-items: center; gap: 10px; padding: 9px 12px; cursor: pointer; border-bottom: 1px solid var(--line); font-size: 13.5px; }
.sym:last-child { border-bottom: 0; }
.sym:hover { background: var(--panel-2); }
.sym.on { background: var(--brand-soft); }
.sym .b { font-weight: 700; font-family: var(--mono); width: 110px; }
.cond { display: grid; grid-template-columns: 1fr 150px 1fr 38px; gap: 8px; align-items: center; margin-bottom: 8px; }
.cond .side-in { display: flex; gap: 6px; }
.cond .side-in .input { min-width: 0; }
.cond .side-in .p { width: 78px; flex: none; }
.logic { display: inline-flex; margin: 0 0 10px; }
.wiz-foot { display: flex; justify-content: space-between; gap: 12px; margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line); }
.sum { display: grid; grid-template-columns: 170px 1fr; gap: 10px 16px; font-size: 13.5px; }
.sum dt { color: var(--muted); }
.sum dd { margin: 0; font-weight: 500; }

.chart { width: 100%; display: block; }
.legend { display: flex; gap: 14px; font-size: 12px; color: var(--muted); }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }

/* Logs */
.logs { font-family: var(--mono); font-size: 12.5px; max-height: 360px; overflow: auto; }
.logs div { padding: 7px 16px; border-bottom: 1px solid var(--line); display: flex; gap: 12px; }
.logs time { color: var(--muted); flex: none; }
.logs .error { color: #ff9aa8; }
.logs .warn { color: #f3d79a; }
.logs .trade { color: #a5f0cf; }

/* Topup */
.qr-wrap { display: grid; grid-template-columns: 230px 1fr; gap: 20px; align-items: start; }
.qr { background: #fff; padding: 12px; border-radius: 14px; position: relative; }
.qr img { display: block; width: 100%; image-rendering: pixelated; }
.qr .expired { position: absolute; inset: 0; background: rgba(6, 8, 12, .85); border-radius: 14px; display: grid; place-items: center; text-align: center; color: var(--text); padding: 16px; }
.kv { display: flex; flex-direction: column; gap: 10px; }
.kv .it { padding: 10px 12px; border-radius: 10px; background: var(--bg-2); border: 1px solid var(--line); display: flex; align-items: center; gap: 10px; }
.kv .it .k { font-size: 11.5px; color: var(--muted); font-weight: 600; }
.kv .it .v { font-weight: 700; font-size: 14.5px; word-break: break-all; }
.kv .it.memo { border-color: rgba(109, 124, 255, .55); background: var(--brand-soft); }
.kv .it.memo .v { font: 700 18px var(--mono); letter-spacing: .04em; }
.copy { margin-left: auto; flex: none; }
.timer { font: 600 13px var(--mono); }
.success-big { text-align: center; padding: 26px 10px; }
.success-big .ico { width: 64px; height: 64px; border-radius: 50%; background: var(--up-soft); color: var(--up); display: grid; place-items: center; margin: 0 auto 14px; }

/* Auth */
.auth { min-height: 100vh; display: grid; grid-template-columns: 1.05fr 1fr; }
.auth-art { position: relative; overflow: hidden; padding: 40px 48px; display: flex; flex-direction: column; background: radial-gradient(1000px 600px at 0% 0%, rgba(109, 124, 255, .22), transparent 60%), radial-gradient(800px 500px at 100% 100%, rgba(34, 211, 238, .14), transparent 60%), var(--bg-2); border-right: 1px solid var(--line); }
.auth-art h2 { font-size: 36px; font-weight: 800; margin-top: auto; max-width: 520px; line-height: 1.15; }
.auth-art p { color: var(--text-2); margin-top: 14px; max-width: 470px; font-size: 15px; }
.auth-art .pts { display: grid; gap: 12px; margin-top: 28px; }
.auth-art .pts div { display: flex; gap: 12px; align-items: center; color: var(--text-2); }
.auth-art .pts svg { color: var(--up); flex: none; }
.auth-art .art-chart { position: absolute; right: -40px; top: 90px; width: 520px; opacity: .45; }
.auth-form { display: grid; place-items: center; padding: 40px 24px; }
.auth-box { width: 100%; max-width: 410px; }
.auth-box h3 { font-size: 26px; font-weight: 800; }
.auth-box .sub { color: var(--text-2); margin: 6px 0 24px; }

/* Guide */
.guide h3 { font-size: 17px; margin-bottom: 10px; }
.guide ol { margin: 0; padding-left: 0; list-style: none; counter-reset: s; }
.guide ol li { counter-increment: s; position: relative; padding: 0 0 14px 40px; color: var(--text-2); }
.guide ol li::before { content: counter(s); position: absolute; left: 0; top: -2px; width: 26px; height: 26px; border-radius: 8px; background: var(--panel-3); border: 1px solid var(--line-2); display: grid; place-items: center; font: 700 12px var(--mono); color: var(--text); }
.guide ol li b { color: var(--text); }
.guide code, code.k { font-family: var(--mono); font-size: 12.5px; background: var(--panel-3); border: 1px solid var(--line-2); padding: 1px 6px; border-radius: 6px; color: #d6dcff; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 18px; overflow-x: auto; }
.tabs button { background: transparent; border: 0; color: var(--text-2); font: 600 14px var(--font); padding: 10px 14px; cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap; }
.tabs button.on { color: var(--text); border-bottom-color: var(--brand); }
.tabs button .cnt { font: 600 11px var(--mono); background: var(--down); color: #fff; border-radius: 99px; padding: 1px 7px; margin-left: 6px; }

.skeleton { background: linear-gradient(90deg, var(--panel-2), var(--panel-3), var(--panel-2)); background-size: 200% 100%; animation: sk 1.2s infinite; border-radius: 8px; }
@keyframes sk { to { background-position: -200% 0 } }
.loading-page { display: grid; place-items: center; min-height: 40vh; color: var(--muted); }

/* =================================================================== LANDING */
.lp { overflow-x: hidden; }
.lp-nav { position: sticky; top: 0; z-index: 40; background: rgba(6, 8, 12, .75); backdrop-filter: blur(14px); border-bottom: 1px solid rgba(255, 255, 255, .05); }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.lp-nav .wrap { display: flex; align-items: center; height: 70px; gap: 30px; }
.lp-nav nav { display: flex; gap: 24px; }
.lp-nav nav a { color: var(--text-2); font-weight: 500; font-size: 14px; text-decoration: none; }
.lp-nav nav a:hover { color: var(--text); }
.lp-nav .cta { margin-left: auto; display: flex; gap: 10px; }
.hero { position: relative; padding: 80px 0 60px; }
.hero::before { content: ""; position: absolute; inset: -200px 0 auto; height: 900px; background: radial-gradient(800px 420px at 20% 20%, rgba(109, 124, 255, .25), transparent 65%), radial-gradient(700px 400px at 85% 30%, rgba(34, 211, 238, .14), transparent 65%); pointer-events: none; }
.hero .grid-bg { position: absolute; inset: 0; background-image: linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px); background-size: 56px 56px; mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 75%); pointer-events: none; }
.hero .wrap { position: relative; display: grid; grid-template-columns: 1.02fr 1fr; gap: 56px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px 6px 6px; border-radius: 99px; background: rgba(255, 255, 255, .04); border: 1px solid var(--line-2); font-size: 13px; color: var(--text-2); }
.eyebrow b { background: var(--grad); color: #050816; border-radius: 99px; padding: 2px 9px; font-size: 11.5px; }
.lp-nav nav a { white-space: nowrap; }
@media (max-width: 1080px) { .lp-nav nav { display: none !important; } }
.hero h1 { text-wrap: balance; font-size: 52px; font-weight: 800; letter-spacing: -.035em; line-height: 1.06; margin: 20px 0 18px; }
.hero .lead { font-size: 18px; color: var(--text-2); max-width: 560px; }
.hero .ctas { display: flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; }
.trust { display: flex; gap: 22px; margin-top: 34px; flex-wrap: wrap; color: var(--muted); font-size: 13px; }
.trust div { display: flex; align-items: center; gap: 8px; }
.trust svg { color: var(--up); }
.mock { position: relative; }
.mock .win { background: linear-gradient(180deg, var(--panel-2), var(--panel)); border: 1px solid var(--line-2); border-radius: 18px; box-shadow: 0 40px 100px -30px rgba(0, 0, 0, .9), 0 0 0 1px rgba(255, 255, 255, .02); overflow: hidden; }
.mock .bar3 { display: flex; gap: 6px; padding: 12px 14px; border-bottom: 1px solid var(--line); align-items: center; }
.mock .bar3 i { width: 10px; height: 10px; border-radius: 50%; background: var(--line-2); }
.mock .float { position: absolute; background: var(--panel-2); border: 1px solid var(--line-2); border-radius: 14px; padding: 12px 14px; box-shadow: var(--shadow); font-size: 13px; }
.mock .float.f1 { left: -34px; bottom: 40px; }
.mock .float.f2 { right: -20px; top: -18px; }
.ticker { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg-2); overflow: hidden; white-space: nowrap; }
.ticker .track { display: inline-flex; gap: 36px; padding: 14px 0; animation: tick 50s linear infinite; }
.ticker span { font: 500 13.5px var(--mono); color: var(--text-2); }
.ticker span b { color: var(--text); margin-right: 8px; }
@keyframes tick { to { transform: translateX(-50%); } }
.sec { padding: 90px 0; }
.sec-h { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.sec-h .tag { color: var(--brand-2); }
.sec-h h2 { font-size: 38px; font-weight: 800; margin: 10px 0 12px; letter-spacing: -.03em; }
.sec-h p { color: var(--text-2); font-size: 16px; }
.feat { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feat .card { padding: 24px; transition: border-color .2s, transform .2s; }
.feat .card:hover { border-color: var(--line-2); transform: translateY(-2px); }
.feat .ic { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--brand-soft); color: #b3bcff; margin-bottom: 16px; }
.feat h3 { font-size: 17px; margin-bottom: 8px; }
.feat p { color: var(--text-2); font-size: 14px; }
.strats { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.strat { padding: 20px; }
.strat h4 { font-size: 15.5px; margin: 10px 0 6px; }
.strat p { font-size: 13px; color: var(--text-2); }
.how { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; counter-reset: h; }
.how .card { padding: 22px; position: relative; }
.how .card::before { counter-increment: h; content: "0" counter(h); font: 700 13px var(--mono); color: var(--brand-2); }
.how h4 { font-size: 16px; margin: 12px 0 8px; }
.how p { font-size: 13.5px; color: var(--text-2); }
.sec-split { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.sec-split h2 { font-size: 34px; font-weight: 800; letter-spacing: -.03em; margin: 10px 0 14px; }
.list-check { display: grid; gap: 14px; margin-top: 22px; }
.list-check div { display: flex; gap: 12px; color: var(--text-2); }
.list-check div b { color: var(--text); display: block; }
.list-check svg { color: var(--up); flex: none; margin-top: 2px; }
.price { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; align-items: stretch; }
.price .card { padding: 26px; display: flex; flex-direction: column; }
.price .card.hot { border-color: rgba(109, 124, 255, .6); background: linear-gradient(180deg, rgba(109, 124, 255, .1), var(--panel) 50%); position: relative; }
.price .card.hot::before { content: "Phổ biến"; position: absolute; top: -12px; left: 26px; background: var(--grad); color: #050816; font-size: 12px; font-weight: 700; padding: 3px 12px; border-radius: 99px; }
.price h4 { font-size: 16px; }
.price .amt { font: 700 34px var(--mono); margin: 14px 0 4px; letter-spacing: -.03em; }
.price .amt small { font: 500 14px var(--font); color: var(--muted); }
.price ul { list-style: none; padding: 0; margin: 20px 0 24px; display: grid; gap: 10px; font-size: 14px; color: var(--text-2); }
.price ul li { display: flex; gap: 10px; }
.price ul li::before { content: "✓"; color: var(--up); font-weight: 800; }
.price .btn { margin-top: auto; }
.faq { max-width: 820px; margin: 0 auto; display: grid; gap: 10px; }
.faq details { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 0 20px; }
.faq summary { cursor: pointer; padding: 18px 0; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 14px; }
.faq summary::after { content: "+"; font-size: 20px; color: var(--muted); line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding: 0 0 18px; color: var(--text-2); }
.cta-band { margin: 0 auto; max-width: 1150px; border-radius: 22px; padding: 56px; text-align: center; background: radial-gradient(600px 300px at 50% 0%, rgba(109, 124, 255, .3), transparent 70%), var(--panel); border: 1px solid var(--line-2); }
.cta-band h2 { font-size: 34px; font-weight: 800; letter-spacing: -.03em; }
.cta-band p { color: var(--text-2); margin: 12px auto 26px; max-width: 560px; }
.foot { border-top: 1px solid var(--line); padding: 40px 0; margin-top: 90px; color: var(--muted); font-size: 13px; }
.foot .wrap { display: grid; grid-template-columns: 1.4fr 1fr; gap: 30px; }
.risk { font-size: 12.5px; line-height: 1.6; }
.doc { max-width: 860px; margin: 0 auto; padding: 50px 24px 80px; }
.doc h1 { font-size: 34px; font-weight: 800; margin-bottom: 8px; }
.doc h2 { font-size: 19px; margin: 32px 0 10px; }
.doc p, .doc li { color: var(--text-2); }
.doc li { margin-bottom: 6px; }

/* =================================================================== RESPONSIVE */
@media (max-width: 1100px) {
  .grid4 { grid-template-columns: repeat(2, 1fr); }
  .hero .wrap { grid-template-columns: 1fr; }
  .mock { max-width: 640px; }
  .how { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
  .side { position: fixed; left: 0; top: 0; bottom: 0; width: 270px; z-index: 90; transform: translateX(-100%); transition: transform .2s; }
  .side.open { transform: none; box-shadow: var(--shadow); }
  .burger { display: grid; }
  .top { padding: 0 16px; }
  .content { padding: 20px 16px 50px; }
  .grid3, .feat, .price, .sec-split { grid-template-columns: 1fr; }
  .auth { grid-template-columns: 1fr; }
  .auth-art { display: none; }
  .lp-nav nav { display: none; }
  .hero h1 { font-size: 38px; }
  .sec { padding: 64px 0; }
  .sec-h h2, .sec-split h2, .cta-band h2 { font-size: 28px; }
  .cta-band { padding: 36px 20px; }
  .foot .wrap { grid-template-columns: 1fr; }
  .qr-wrap { grid-template-columns: 1fr; }
  .qr { max-width: 240px; margin: 0 auto; }
  .cond { grid-template-columns: 1fr; padding: 10px; border: 1px solid var(--line); border-radius: 10px; }
  .mock .float { display: none; }
  .bal .l { display: none; }
}
@media (max-width: 600px) {
  .grid2, .grid4, .how { grid-template-columns: 1fr; }
  .wrap { padding: 0 16px; }
  .page-h h2 { font-size: 20px; }
  .top h1 { font-size: 16px; }
  .bots { grid-template-columns: 1fr; }
  .sum { grid-template-columns: 1fr; gap: 2px; }
  .sum dd { margin-bottom: 8px; }
  .lp-nav .cta .btn.ghost { display: none; }
  .modal-b { padding: 16px; }
  .bal .v { font-size: 13px; }
}