:root {
  color-scheme: dark;
  --canvas: #090a0d;
  --surface: #111318;
  --raised: #181b22;
  --overlay: #1d212a;
  --selected: #202c4c;
  --border: #2b303a;
  --border-strong: #414957;
  --text: #f7f8fa;
  --secondary: #c7cbd4;
  --muted: #9ba3b1;
  --brand: #299cfb;
  --indigo: #7180ff;
  --positive: #39d7aa;
  --negative: #ff7185;
  --warning: #ffb65b;
  --shadow: 0 18px 55px rgba(0,0,0,.28);
  --radius: 16px;
}

html[data-theme="light"] {
  color-scheme: light;
  --canvas: #f5f7fb;
  --surface: #fff;
  --raised: #f8f9fc;
  --overlay: #fff;
  --selected: #e5ebff;
  --border: #dfe3eb;
  --border-strong: #b7bfcb;
  --text: #141414;
  --secondary: #414752;
  --muted: #606875;
  --brand: #3158e8;
  --indigo: #4a49c9;
  --positive: #08745f;
  --negative: #b42344;
  --warning: #8b5700;
  --shadow: 0 18px 55px rgba(30,40,70,.12);
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
  margin: 0;
  background: var(--canvas);
  color: var(--text);
  font: 14px/1.45 "Segoe UI Variable", "Segoe UI", system-ui, sans-serif;
  letter-spacing: -.01em;
}
button, input { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .48; }
button:focus-visible, input:focus-visible { outline: 3px solid color-mix(in srgb, var(--brand) 55%, transparent); outline-offset: 2px; }
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 100; padding: 10px 16px; background: var(--brand); color: #071019; border-radius: 8px; }
.skip-link:focus { top: 10px; }

.topbar {
  height: 68px;
  display: grid;
  grid-template-columns: minmax(190px, 1fr) auto minmax(280px, 1fr);
  align-items: center;
  gap: 18px;
  padding: 0 18px;
  background: color-mix(in srgb, var(--surface) 93%, transparent);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
}
.brand { display: flex; align-items: center; gap: 11px; min-width: 0; }
.brand-mark, .login-logo {
  display: grid;
  place-items: center;
  background: #f7f8fa;
  border-radius: 11px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.2);
}
.brand-mark { width: 48px; height: 38px; }
.brand-mark img { width: 34px; }
.brand strong { display: block; font-size: 17px; letter-spacing: -.03em; }
.brand small { display: block; color: var(--muted); font-size: 9px; letter-spacing: .22em; margin-top: -2px; }
.account-metrics { display: flex; align-items: stretch; gap: 7px; }
.account-metrics > span { min-width: 112px; padding: 8px 12px; border: 1px solid var(--border); border-radius: 11px; background: var(--raised); }
.account-metrics small, .quote-strip small, .ticket-quote span { color: var(--muted); font-size: 9px; letter-spacing: .1em; display: block; }
.account-metrics strong { display: block; font-variant-numeric: tabular-nums; margin-top: 1px; }
.top-actions { justify-self: end; display: flex; align-items: center; gap: 8px; }
.status { border: 1px solid var(--border); background: var(--raised); border-radius: 999px; padding: 7px 10px; font-size: 12px; color: var(--secondary); white-space: nowrap; }
.status i { width: 7px; height: 7px; display: inline-block; border-radius: 50%; background: var(--muted); margin-right: 6px; }
.status.online i { background: var(--positive); box-shadow: 0 0 0 4px color-mix(in srgb, var(--positive) 15%, transparent); }
.status .signal-bars { color: var(--muted); font-family: Consolas, monospace; font-weight: 800; margin-right: 6px; letter-spacing: -1px; }
.status strong { color: var(--secondary); font-size: 11px; font-variant-numeric: tabular-nums; }
.status.good .signal-bars { color: var(--positive); }.status.fair .signal-bars { color: var(--warning); }.status.slow .signal-bars { color: var(--negative); }
.icon-button, .ghost { color: var(--secondary); background: var(--raised); border: 1px solid var(--border); border-radius: 9px; min-height: 36px; padding: 0 12px; }
.icon-button { width: 38px; padding: 0; }

.workspace {
  display: grid;
  grid-template-columns: 280px minmax(480px, 1fr) 310px;
  grid-template-rows: minmax(480px, calc(100vh - 330px)) minmax(210px, auto);
  gap: 10px;
  padding: 10px;
  min-height: calc(100vh - 68px);
}
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); min-width: 0; overflow: hidden; }
.market-panel, .ticket-panel { padding: 16px; }
.panel-heading, .chart-heading, .blotter-heading { display: flex; justify-content: space-between; align-items: center; gap: 14px; }
.panel-heading h2, .blotter-heading h2, .chart-heading h1 { margin: 3px 0 0; font-size: 18px; line-height: 1.1; }
.eyebrow { color: var(--brand); font-size: 9px; font-weight: 800; letter-spacing: .15em; }
.counter { min-width: 28px; height: 28px; display: grid; place-items: center; background: var(--selected); color: var(--brand); border-radius: 9px; font-size: 11px; font-weight: 700; }
.search { position: relative; display: block; margin: 16px 0 10px; }
.search input { width: 100%; height: 42px; background: var(--raised); color: var(--text); border: 1px solid var(--border); border-radius: 10px; padding: 0 42px 0 12px; }
.search kbd { position: absolute; right: 10px; top: 9px; border: 1px solid var(--border-strong); border-radius: 5px; padding: 1px 6px; color: var(--muted); background: var(--surface); }
.search-results { position: absolute; z-index: 15; width: 246px; max-height: 280px; overflow: auto; border: 1px solid var(--border-strong); background: var(--overlay); border-radius: 10px; box-shadow: var(--shadow); padding: 5px; }
.search-result { width: 100%; border: 0; background: transparent; color: var(--text); display: flex; justify-content: space-between; padding: 9px 10px; border-radius: 7px; text-align: left; }
.search-result:hover { background: var(--selected); }
.search-result span { color: var(--brand); font-weight: 800; }
.watchlist { display: grid; gap: 5px; max-height: calc(100vh - 272px); overflow: auto; padding-right: 2px; }
.watch-row { display: grid; grid-template-columns: 1fr auto; gap: 4px; }
.watch-symbol { border: 0; border-radius: 10px; padding: 10px; background: transparent; color: var(--text); text-align: left; display: flex; justify-content: space-between; align-items: center; }
.watch-symbol:hover, .watch-row.active .watch-symbol { background: var(--selected); }
.watch-symbol strong { font-size: 13px; }.watch-symbol small { color: var(--muted); }
.watch-remove { border: 0; border-radius: 8px; background: transparent; color: var(--muted); padding: 0 8px; }.watch-remove:hover { color: var(--negative); background: color-mix(in srgb, var(--negative) 12%, transparent); }
.panel-note { color: var(--muted); font-size: 11px; margin: 14px 2px 0; }

.chart-panel { display: grid; grid-template-rows: auto 1fr auto; }
.chart-heading { padding: 15px 18px; border-bottom: 1px solid var(--border); }
.chart-heading h1 { font-size: 23px; }.chart-heading h1 small { font-size: 10px; color: var(--muted); background: var(--raised); padding: 4px 7px; border-radius: 7px; vertical-align: middle; }
.quote-strip { display: flex; gap: 7px; }.quote-strip > span { min-width: 88px; padding: 7px 10px; border-radius: 9px; background: var(--raised); border: 1px solid var(--border); }
.quote-strip strong { display: block; margin-top: 2px; font-variant-numeric: tabular-nums; }.quote-strip span:first-child strong { color: var(--positive); }.quote-strip span:nth-child(2) strong { color: var(--negative); }
.chart-wrap { position: relative; min-height: 360px; background: linear-gradient(180deg, color-mix(in srgb, var(--brand) 3%, var(--surface)), var(--surface)); }
#chart { display: block; width: 100%; height: 100%; min-height: 360px; }
.chart-empty, .chart-loading { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; color: var(--muted); }
.chart-loading span { width: 28px; height: 28px; border: 3px solid var(--border); border-top-color: var(--brand); border-radius: 50%; animation: spin .7s linear infinite; margin: 0 auto; }
.chart-loading p { margin: 10px 0 0; }
@keyframes spin { to { transform: rotate(360deg); } }

.side-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; padding: 5px; background: var(--raised); border-radius: 11px; margin: 16px 0; }
.side-tabs button { height: 38px; border: 0; border-radius: 8px; background: transparent; color: var(--muted); font-weight: 700; }
.side-tabs .buy.active { background: color-mix(in srgb, var(--positive) 18%, transparent); color: var(--positive); }
.side-tabs .sell.active { background: color-mix(in srgb, var(--negative) 18%, transparent); color: var(--negative); }
.ticket-panel label, .login-card label { display: block; color: var(--secondary); font-size: 11px; font-weight: 700; letter-spacing: .03em; margin: 13px 0; }
.ticket-panel label span { float: right; color: var(--muted); font-weight: 400; }
.ticket-panel input, .login-card input { display: block; width: 100%; height: 42px; border: 1px solid var(--border); border-radius: 9px; background: var(--raised); color: var(--text); padding: 0 11px; margin-top: 6px; font-variant-numeric: tabular-nums; }
.protection-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.protection-tools { display:grid; gap:8px; grid-column:1 / -1; padding:8px 0; }
.protection-tools strong { font-size:11px; color:var(--secondary); }
.protection-tools small { font-size:11px; color:var(--muted); }
.protection-tools > div { display:flex; gap:8px; flex-wrap:wrap; }
.chart-empty { pointer-events:none; }
.chart-loading { z-index:4; background:color-mix(in srgb,var(--surface) 80%,transparent); }
.ticket-quote { display: flex; justify-content: space-between; align-items: center; margin: 16px 0; padding: 12px; border-radius: 10px; background: var(--raised); }.ticket-quote span { display: inline; }.ticket-quote strong { font-size: 17px; }
.primary { width: 100%; min-height: 45px; border: 0; border-radius: 10px; color: #071019; background: linear-gradient(135deg, #1dabfd, #5864fa); font-weight: 800; box-shadow: 0 10px 24px rgba(49,88,232,.22); }
.primary.sell { color: #fff; background: linear-gradient(135deg, #d83255, #ff7185); }
.order-status { color: var(--muted); font-size: 11px; min-height: 48px; margin: 13px 2px 0; }

.blotter { grid-column: 1 / -1; padding: 15px 17px; }
.table-scroll { overflow: auto; margin-top: 12px; max-height: 250px; }
table { width: 100%; border-collapse: collapse; min-width: 840px; }
th { color: var(--muted); font-size: 9px; letter-spacing: .1em; text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
td { padding: 10px; border-bottom: 1px solid var(--border); font-variant-numeric: tabular-nums; }
td.buy { color: var(--positive); } td.sell { color: var(--negative); }
.table-action { border: 1px solid color-mix(in srgb, var(--negative) 45%, var(--border)); color: var(--negative); background: transparent; border-radius: 7px; padding: 5px 9px; }
.empty-cell { color: var(--muted); text-align: center; padding: 28px; }

.login-overlay { position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; padding: 18px; background: rgba(5,6,9,.84); backdrop-filter: blur(18px); }
.login-card { width: min(430px, 100%); background: var(--surface); border: 1px solid var(--border-strong); border-radius: 22px; padding: 30px; box-shadow: 0 30px 100px rgba(0,0,0,.5); }
.login-logo { width: 70px; height: 52px; margin-bottom: 20px; }.login-logo img { width: 44px; }
.login-card h1 { font-size: 30px; line-height: 1.1; margin: 8px 0; }.login-card > p { color: var(--muted); margin: 0 0 22px; }.login-card small { color: var(--muted); display: block; text-align: center; margin-top: 14px; }
.login-status { min-height: 21px; color: var(--negative) !important; font-size: 12px; margin: 8px 0 !important; }
.toast { position: fixed; right: 18px; bottom: 18px; z-index: 60; max-width: 390px; padding: 12px 15px; border: 1px solid var(--border-strong); border-radius: 10px; background: var(--overlay); box-shadow: var(--shadow); color: var(--secondary); transform: translateY(150%); transition: transform .2s ease; }.toast.show { transform: translateY(0); }

.history-controls { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; padding: 8px 14px; font-size: 11px; color: var(--muted); }
.history-controls button:disabled { opacity: .5; cursor: wait; }
.history-controls .table-action, [data-protect] { color:var(--secondary); border-color:var(--border-strong); }
.history-controls .table-action:hover, [data-protect]:hover { background:var(--raised); }

@media (max-width: 1180px) {
  .topbar { grid-template-columns: 1fr auto; }.account-metrics { display: none; }
  .workspace { grid-template-columns: 240px minmax(420px, 1fr); grid-template-rows: minmax(470px, auto) auto auto; }
  .ticket-panel { grid-column: 1 / -1; display: grid; grid-template-columns: 180px 1fr 1fr 170px; gap: 12px; align-items: end; }
  .ticket-panel .panel-heading, .ticket-panel .order-status { grid-column: 1 / -1; }.ticket-panel .side-tabs { margin: 0; }.ticket-panel > label { margin: 0; }.ticket-panel .protection-grid { grid-column: span 1; }.ticket-panel .ticket-quote { margin: 0; }.ticket-panel .primary { height: 45px; }
  .blotter { grid-row: 3; }
}
@media (max-width: 760px) {
  .topbar { height: auto; min-height: 64px; padding: 10px 12px; }.brand small { display: none; }
  .workspace { display: flex; flex-direction: column; padding: 7px; min-height: auto; }
  .chart-panel { order: 1; }.market-panel { order: 2; }.ticket-panel { order: 3; display: block; }.blotter { order: 4; }
  .market-panel { max-height: 360px; }.watchlist { max-height: 210px; }.search-results { width: calc(100% - 46px); }
  .chart-heading { align-items: flex-start; }.quote-strip { gap: 3px; }.quote-strip > span { min-width: 65px; padding: 6px; }.quote-strip span:last-child { display: none; }
  .chart-wrap, #chart { min-height: 320px; }.protection-grid { grid-template-columns: 1fr 1fr; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; } }