:root {
  --bg: #f5f3ee;
  --panel: #ffffff;
  --panel-2: #f0ede6;
  --border: #e3dfd5;
  --text: #17171a;
  --muted: #6c6a72;
  --accent: #96660c;
  --accent-ink: #ffffff;
  --bid: #0d8a5c;
  --ask: #c8383f;
  --bid-bg: rgba(13, 138, 92, 0.12);
  --ask-bg: rgba(200, 56, 63, 0.11);
  --shadow: 0 1px 2px rgba(20, 20, 30, 0.04), 0 6px 24px rgba(20, 20, 30, 0.05);
  --radius: 14px;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: 'Inter', system-ui, -apple-system, Segoe UI, sans-serif;
  --serif: 'Instrument Serif', Georgia, serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0a0c11;
    --panel: #11141b;
    --panel-2: #171b24;
    --border: #232836;
    --text: #e9eaf0;
    --muted: #8b91a3;
    --accent: #e3b65b;
    --accent-ink: #14110a;
    --bid: #2fc58b;
    --ask: #ff5d68;
    --bid-bg: rgba(47, 197, 139, 0.13);
    --ask-bg: rgba(255, 93, 104, 0.12);
    --shadow: none;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0a0c11;
  --panel: #11141b;
  --panel-2: #171b24;
  --border: #232836;
  --text: #e9eaf0;
  --muted: #8b91a3;
  --accent: #e3b65b;
  --accent-ink: #14110a;
  --bid: #2fc58b;
  --ask: #ff5d68;
  --bid-bg: rgba(47, 197, 139, 0.13);
  --ask-bg: rgba(255, 93, 104, 0.12);
  --shadow: none;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
button, input, select { font: inherit; color: inherit; }
h2 { font-size: 13px; font-weight: 600; letter-spacing: 0.02em; margin: 0; }
h3 { font: 400 26px/1.15 var(--serif); margin: 0 0 6px; }
.muted, .hint { color: var(--muted); }
.hint { font-size: 12px; }
.bid { color: var(--bid); }
.ask { color: var(--ask); }
.num { font-family: var(--mono); font-variant-numeric: tabular-nums; }

/* ---------- Ticker tape ---------- */
.tape {
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  overflow: hidden;
  white-space: nowrap;
  font: 500 12px/32px var(--mono);
  height: 32px;
}
.tape-track { display: inline-flex; animation: tape 40s linear infinite; }
.tape-track span { padding: 0 22px; color: var(--muted); }
.tape-track b { color: var(--text); font-weight: 600; margin-left: 6px; }
.tape-track b.bid { color: var(--bid); }
.tape-track b.ask { color: var(--ask); }
@keyframes tape { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .tape-track { animation: none; } }

/* ---------- Top bar ---------- */
.topbar {
  display: flex; align-items: center; gap: 12px;
  max-width: 1480px; margin: 0 auto; padding: 16px 20px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); }
.brand-mark {
  width: 26px; height: 26px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #fff6dc 0, var(--accent) 45%, #6b4706 100%);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}
.brand-name { font: 400 26px/1 var(--serif); letter-spacing: -0.01em; }
.brand-name em { color: var(--accent); }
.mode-pill {
  font: 600 11px/1 var(--sans); letter-spacing: 0.06em; text-transform: uppercase;
  padding: 6px 9px; border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 16%, transparent); color: var(--accent);
}
.account { margin-left: auto; display: flex; align-items: center; gap: 8px; min-width: 0; }
.account .who { color: var(--muted); font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 220px; }

/* ---------- Layout ---------- */
.layout {
  max-width: 1480px; margin: 0 auto; padding: 0 20px 48px;
  display: grid; gap: 14px;
  grid-template-columns: minmax(0, 1fr) 300px 330px;
  grid-template-areas:
    "hero  hero  hero"
    "chart book  trade"
    "chart book  tape"
    "mine  mine  mine"
    "how   how   how";
}
.hero { grid-area: hero; }
.chart-panel { grid-area: chart; }
.book-panel { grid-area: book; }
.trade-panel { grid-area: trade; }
.tape-panel { grid-area: tape; }
.mine { grid-area: mine; }
.how { grid-area: how; }

@media (max-width: 1180px) {
  .layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-areas:
      "hero  hero"
      "chart chart"
      "book  trade"
      "book  tape"
      "mine  mine"
      "how   how";
  }
}
@media (max-width: 720px) {
  .topbar, .layout { padding-left: 16px; padding-right: 16px; }
  .layout {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas: "hero" "chart" "trade" "book" "tape" "mine" "how";
  }
  .brand-name { font-size: 22px; }
  .account .who { display: none; }
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
  min-width: 0;
}
.panel-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.panel-head .hint { margin-left: auto; }

/* ---------- Hero ---------- */
.hero { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; padding: 20px 22px; }
.hero-label { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 12px; font-weight: 500; letter-spacing: 0.03em; }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--bid); box-shadow: 0 0 0 0 var(--bid); animation: pulse 2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--bid) 60%, transparent); } 70% { box-shadow: 0 0 0 8px transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }
.hero-price {
  font: 600 52px/1.05 var(--mono); letter-spacing: -0.03em; font-variant-numeric: tabular-nums;
  display: flex; align-items: baseline; gap: 10px; margin-top: 4px;
  transition: color 0.6s;
}
.hero-price .ccy { font-size: 18px; color: var(--muted); font-weight: 500; letter-spacing: 0; }
.hero-price.flash-up { color: var(--bid); transition: none; }
.hero-price.flash-down { color: var(--ask); transition: none; }
.hero-change { font: 500 13px var(--mono); color: var(--muted); }
.stats {
  display: grid; grid-template-columns: repeat(6, auto); gap: 6px 28px;
  margin: 0 0 0 auto;
}
.stats div { min-width: 0; }
.stats dt { color: var(--muted); font-size: 11px; font-weight: 500; letter-spacing: 0.03em; text-transform: uppercase; }
.stats dd { margin: 2px 0 0; font: 600 16px var(--mono); font-variant-numeric: tabular-nums; white-space: nowrap; }
@media (max-width: 1180px) { .stats { grid-template-columns: repeat(3, auto); margin-left: 0; } }
@media (max-width: 720px) {
  .hero { padding: 16px; gap: 16px; }
  .hero-price { font-size: 40px; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); width: 100%; gap: 10px 16px; }
}

/* ---------- Segmented controls ---------- */
.seg { display: inline-flex; background: var(--panel-2); border-radius: 9px; padding: 3px; }
.seg button {
  border: 0; background: transparent; padding: 4px 10px; border-radius: 7px;
  font-size: 12px; font-weight: 500; color: var(--muted); cursor: pointer;
}
.seg button.on { background: var(--panel); color: var(--text); box-shadow: 0 1px 2px rgba(0,0,0,0.12); }
.seg[hidden] { display: none; }

/* ---------- Chart ---------- */
.chart-panel { display: flex; flex-direction: column; }
.chart { flex: 1; min-height: 440px; width: 100%; }
@media (max-width: 720px) { .chart { min-height: 300px; } }

/* ---------- Order book ---------- */
.book-cols, .trades-cols, .book-row, .trades li {
  display: grid; grid-template-columns: 1fr 1fr 1fr; font-family: var(--mono); font-variant-numeric: tabular-nums;
}
.book-cols, .trades-cols { font: 500 11px var(--sans); color: var(--muted); text-transform: uppercase; letter-spacing: 0.03em; padding: 0 8px 6px; }
.book-cols span:not(:first-child), .book-row span:not(:first-child) { text-align: right; }
.book-side { display: flex; flex-direction: column; min-height: 200px; }
.book-side.asks { justify-content: flex-end; }
.book-row {
  position: relative; padding: 3px 8px; font-size: 13px; cursor: pointer; border-radius: 5px;
  isolation: isolate;
}
.book-row:hover { background: var(--panel-2); }
.book-row .depth { position: absolute; inset: 1px 0 1px auto; z-index: -1; border-radius: 4px; transition: width 0.3s; }
.asks .book-row .depth { background: var(--ask-bg); }
.bids .book-row .depth { background: var(--bid-bg); }
.asks .book-row .px { color: var(--ask); }
.bids .book-row .px { color: var(--bid); }
.book-row .mine-dot::after { content: ' ●'; color: var(--accent); font-size: 9px; vertical-align: 2px; }
.book-mid {
  margin: 6px 0; padding: 8px; border-block: 1px solid var(--border);
  font: 600 15px var(--mono); display: flex; justify-content: space-between; align-items: baseline;
}
.book-mid small { font: 500 11px var(--sans); color: var(--muted); }
.book-empty { color: var(--muted); font-size: 12px; padding: 8px; text-align: center; }

/* ---------- Trades tape ---------- */
.trades-cols, .trades li { grid-template-columns: 1fr 1fr; }
.trades-cols span:last-child, .trades li span:last-child { text-align: right; }
.trades { list-style: none; margin: 0; padding: 0; max-height: 280px; overflow-y: auto; }
.trades li { padding: 3px 8px; font-size: 13px; color: var(--muted); }
.trades li .up { color: var(--bid); }
.trades li .down { color: var(--ask); }
.trades li.new { animation: newrow 1.2s ease-out; }
@keyframes newrow { from { background: color-mix(in srgb, var(--accent) 25%, transparent); } to { background: transparent; } }

/* ---------- Order entry ---------- */
.side-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; background: var(--panel-2); padding: 4px; border-radius: 11px; margin-bottom: 14px; }
.side-tabs button { border: 0; padding: 9px; border-radius: 8px; background: transparent; font-weight: 600; cursor: pointer; color: var(--muted); }
.side-tabs button.on[data-side="bid"] { background: var(--bid); color: #fff; }
.side-tabs button.on[data-side="ask"] { background: var(--ask); color: #fff; }
.order-form { display: flex; flex-direction: column; gap: 12px; }
.field { display: flex; flex-direction: column; gap: 5px; }
.field > span { font-size: 12px; color: var(--muted); font-weight: 500; }
.field input, .field select {
  width: 100%; padding: 10px 12px; border-radius: 9px;
  border: 1px solid var(--border); background: var(--bg); outline: none;
}
.field input:focus, .field select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 20%, transparent); }
.field[hidden] { display: none; }
.input-affix { position: relative; }
.input-affix input { font: 600 18px var(--mono); padding-right: 52px; }
.input-affix .affix { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); color: var(--muted); font-size: 12px; font-weight: 500; }
.quick { display: flex; gap: 6px; flex-wrap: wrap; }
.quick button {
  border: 1px solid var(--border); background: transparent; border-radius: 999px;
  padding: 3px 10px; font-size: 12px; cursor: pointer; color: var(--muted);
}
.quick button:hover { color: var(--text); border-color: var(--muted); }
.order-hint { margin: 0; font-size: 12.5px; color: var(--muted); min-height: 1.5em; }
.order-hint b { color: var(--text); }
.commit { display: flex; gap: 8px; align-items: flex-start; font-size: 12.5px; color: var(--muted); cursor: pointer; }
.commit input { margin-top: 3px; accent-color: var(--accent); }

.btn {
  border: 1px solid var(--border); background: var(--panel); border-radius: 9px;
  padding: 8px 14px; font-weight: 600; font-size: 13px; cursor: pointer; white-space: nowrap;
  text-decoration: none; display: inline-flex; align-items: center; justify-content: center; gap: 6px;
}
.btn:hover { border-color: var(--muted); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.06); }
.btn.bidbtn { background: var(--bid); border-color: var(--bid); color: #fff; }
.btn.askbtn { background: var(--ask); border-color: var(--ask); color: #fff; }
.btn.ghost { background: transparent; }
.btn.small { padding: 5px 10px; font-size: 12px; }
.btn.big { padding: 12px; font-size: 15px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ---------- My activity ---------- */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin: -4px -4px 14px; padding: 0 4px; overflow-x: auto; overflow-y: hidden; }
.tabs button {
  border: 0; background: transparent; padding: 10px 12px; cursor: pointer; font-weight: 600; font-size: 13px;
  color: var(--muted); border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap;
}
.tabs button.on { color: var(--text); border-bottom-color: var(--accent); }
.tabs button[hidden] { display: none; }
.badge { display: inline-block; min-width: 18px; padding: 0 5px; border-radius: 9px; background: var(--accent); color: var(--accent-ink); font-size: 11px; line-height: 18px; text-align: center; }
.badge[hidden] { display: none; }
.empty { color: var(--muted); padding: 18px 4px; }
.empty .btn { margin-top: 10px; }

.cards { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }
@media (max-width: 720px) { .cards { grid-template-columns: minmax(0, 1fr); } }
.card { border: 1px solid var(--border); border-radius: 12px; padding: 14px; background: var(--bg); display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.card-top { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.card-top .px { font: 600 18px var(--mono); margin-left: auto; }
.chip { font-size: 11px; font-weight: 600; letter-spacing: 0.03em; text-transform: uppercase; padding: 3px 8px; border-radius: 999px; background: var(--panel-2); color: var(--muted); }
.chip.buy { background: var(--bid-bg); color: var(--bid); }
.chip.sell { background: var(--ask-bg); color: var(--ask); }
.chip.ok { background: var(--bid-bg); color: var(--bid); }
.chip.warn { background: color-mix(in srgb, var(--accent) 18%, transparent); color: var(--accent); }
.chip.bad { background: var(--ask-bg); color: var(--ask); }
.reveal { border-radius: 10px; padding: 12px; background: var(--panel); border: 1px dashed color-mix(in srgb, var(--accent) 55%, transparent); }
.reveal .label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--accent); font-weight: 600; margin-bottom: 4px; }
.reveal .name { font: 400 22px/1.2 var(--serif); }
.reveal a { color: var(--text); }
.reveal dl { margin: 8px 0 0; display: grid; grid-template-columns: auto 1fr; gap: 3px 12px; font-size: 13px; }
.reveal dt { color: var(--muted); }
.reveal dd { margin: 0; overflow-wrap: anywhere; }
.progress { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; font-size: 12px; }
.progress span { padding: 6px 8px; border-radius: 8px; background: var(--panel-2); color: var(--muted); }
.progress span.done { background: var(--bid-bg); color: var(--bid); }
.card-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.card .meta { font-size: 12px; color: var(--muted); }

table.list { width: 100%; border-collapse: collapse; font-size: 13px; }
table.list th { text-align: left; font-size: 11px; color: var(--muted); font-weight: 500; text-transform: uppercase; letter-spacing: 0.03em; padding: 6px 8px; border-bottom: 1px solid var(--border); }
table.list td { padding: 8px; border-bottom: 1px solid var(--border); }
table.list td.r, table.list th.r { text-align: right; }
.table-wrap { overflow-x: auto; }

.ticket-form { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto; gap: 10px; align-items: end; margin-bottom: 16px; padding: 14px; border-radius: 12px; background: var(--panel-2); }
.ticket-form .note { grid-column: 1 / -1; margin: 0; font-size: 12.5px; color: var(--muted); }
.ticket-form input[type="file"] { padding: 7px 10px; }
@media (max-width: 720px) { .ticket-form { grid-template-columns: minmax(0, 1fr); } }

/* ---------- How it works ---------- */
.how h2 { font: 400 28px var(--serif); letter-spacing: 0; margin-bottom: 14px; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; counter-reset: step; }
.steps li { counter-increment: step; }
.steps li::before { content: counter(step, decimal-leading-zero); display: block; font: 500 12px var(--mono); color: var(--accent); margin-bottom: 6px; }
.steps b { font-size: 14px; }
.steps p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.disclaimer { margin: 18px 0 0; font-size: 12px; color: var(--muted); border-top: 1px solid var(--border); padding-top: 12px; }
@media (max-width: 1180px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 720px) { .steps { grid-template-columns: minmax(0, 1fr); } }

/* ---------- Dialogs & toasts ---------- */
.dlg {
  border: 1px solid var(--border); border-radius: 16px; padding: 22px; width: min(420px, calc(100vw - 32px));
  background: var(--panel); color: var(--text); box-shadow: 0 24px 80px rgba(0,0,0,0.3);
}
.dlg::backdrop { background: rgba(5, 6, 10, 0.55); backdrop-filter: blur(2px); }
.dlg form { display: flex; flex-direction: column; gap: 12px; }
.dlg p { margin: 0; }
.dlg-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 6px; }

.toasts { position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 50; max-width: calc(100vw - 32px); }
.toast {
  background: var(--panel); border: 1px solid var(--border); border-left: 3px solid var(--accent);
  border-radius: 10px; padding: 10px 14px; box-shadow: 0 10px 30px rgba(0,0,0,0.18); font-size: 13px; width: 340px; max-width: 100%;
  animation: toastin 0.25s ease-out;
}
.toast.err { border-left-color: var(--ask); }
.toast.ok { border-left-color: var(--bid); }
.toast b { display: block; margin-bottom: 2px; }
@keyframes toastin { from { transform: translateY(8px); opacity: 0; } }