/* SeqDEX design tokens + shared chassis.
   One dark chassis; each surface carries its accent (informational, not
   decorative: it encodes the settlement world you are standing in).
   LNDEX + Channels: violet · On-chain: gold · Confidential: teal. */
:root {
  /* The site is dark-only; telling the browser so makes native controls
     (select popups, scrollbars, autofill) render dark to match. */
  color-scheme: dark;
  --bg: #0b0c0f; --panel: #14161c; --panel2: #191c24; --line: #262b35;
  --txt: #e9ecf1; --dim: #97a0ae; --faint: #5c6470;
  --gold: #ffc629; --violet: #9d7bff; --teal: #2dd4bf;
  --green: #3ddc84; --red: #ff6b7a; --lime: #a3e635;
  --accent: var(--gold);
  --disp: 'Space Grotesk', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, Menlo, monospace;
}
.surface-ln   { --accent: var(--violet); }
.surface-chain{ --accent: var(--gold); }
.surface-conf { --accent: var(--teal); }
.surface-leaf { --accent: var(--lime); }
/* The default view settles every way at once, so it wears no settlement accent. */
.surface-market { --accent: #8fb8ff; }

* { box-sizing: border-box; margin: 0; }
html { scrollbar-color: var(--line) var(--bg); }
body {
  background: var(--bg); color: var(--txt);
  font: 15px/1.55 var(--disp);
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font-family: var(--disp); cursor: pointer; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 22px 70px; }

/* topbar */
.topbar {
  display: flex; align-items: center; gap: 26px; flex-wrap: wrap;
  padding: 16px 0; margin-bottom: 26px;
  border-bottom: 1px solid var(--line);
}
.wordmark { display: flex; align-items: baseline; gap: 9px; font-weight: 700; font-size: 19px; letter-spacing: .4px; color: var(--txt); }
.wordmark:hover { text-decoration: none; }
.wordmark .dot { width: 11px; height: 11px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 10px rgba(255,198,41,.55); align-self: center; }
.wordmark small { color: var(--faint); font-weight: 500; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; }
.builton { display: flex; align-items: center; gap: 7px; text-decoration: none; color: var(--faint); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.builton:hover { text-decoration: none; color: var(--dim); }
.builton img.sqlogo { height: 13px; width: auto; opacity: .8; }
.builton:hover img.sqlogo { opacity: 1; }
@media (max-width: 860px) { .builton { display: none; } }
.extnote {
  border: 1px solid var(--line); border-left: 3px solid var(--gold);
  background: var(--panel); border-radius: 10px;
  padding: 13px 17px; margin: 0 0 22px; font-size: 14px; color: var(--txt);
}
.extnote a { color: var(--gold); font-weight: 600; }
.extnote.warn { border-left-color: var(--red); }
.nav { display: flex; gap: 4px; flex-wrap: wrap; }
.nav a {
  color: var(--dim); padding: 7px 12px; border-radius: 8px;
  font-size: 13.5px; font-weight: 600; border-bottom: 2px solid transparent;
}
.nav a:hover { color: var(--txt); text-decoration: none; }
.nav a.on { color: var(--txt); border-bottom-color: var(--nav-accent, var(--accent)); border-radius: 8px 8px 0 0; }
.nav a[data-s="ln"]   { --nav-accent: var(--violet); }
.nav a[data-s="chain"]{ --nav-accent: var(--gold); }
.nav a[data-s="conf"] { --nav-accent: var(--teal); }
.nav a[data-s="leaf"] { --nav-accent: var(--lime); }
.nav a[data-s="market"] { --nav-accent: #8fb8ff; }
.spacer { flex: 1; }

.connect-btn {
  border: 1px solid var(--line); background: var(--panel); color: var(--txt);
  border-radius: 999px; padding: 8px 16px; font-size: 13px; font-weight: 600;
  display: flex; align-items: center; gap: 8px;
}
.connect-btn:hover { border-color: var(--accent); }
.connect-btn .st { width: 8px; height: 8px; border-radius: 50%; background: var(--faint); }
.connect-btn.ok .st { background: var(--green); }
.connect-btn .addr { font-family: var(--mono); font-size: 12px; color: var(--dim); }

/* panels */
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 18px; }
.panel h2 { font-size: 15px; font-weight: 700; margin-bottom: 10px; }
.panel h2 .acc { color: var(--accent); }
.sub { color: var(--dim); font-size: 13px; }
.faint { color: var(--faint); }
.mono { font-family: var(--mono); }

/* surface banner: the rules of the room */
.rules {
  border-left: 3px solid var(--accent);
  background: linear-gradient(90deg, color-mix(in srgb, var(--accent) 7%, transparent), transparent 65%);
  border-radius: 4px 12px 12px 4px;
  padding: 13px 16px; margin-bottom: 20px;
  font-size: 13.5px; color: var(--dim);
}
.rules b { color: var(--txt); }

/* layout grid for trading pages */
.trade-grid { display: grid; grid-template-columns: 300px 1fr 290px; gap: 16px; align-items: start; }
@media (max-width: 980px) { .trade-grid { grid-template-columns: 1fr; } }
/* channels page: table + purchase panel */
.chan-grid { display: grid; grid-template-columns: 1fr 340px; gap: 16px; align-items: start; }
@media (max-width: 980px) { .chan-grid { grid-template-columns: 1fr; } }

/* Wide content scrolls inside its own box; the page body never scrolls sideways. */
.scroll { overflow-x: auto; max-width: 100%; }

/* markets list */
.mkt { display: flex; align-items: baseline; gap: 8px; width: 100%; text-align: left;
  background: none; border: 0; border-radius: 8px; padding: 9px 10px; color: var(--txt); font-size: 13.5px; }
.mkt:hover { background: var(--panel2); }
.mkt.on { background: var(--panel2); box-shadow: inset 2px 0 0 var(--accent); }
.mkt .pair { font-weight: 700; }
/* Supervised asset: the issuer can freeze holdings at ordinary addresses.
   Informative, not a warning. A regulated stablecoin doing what it must is not
   suspect, and colouring it like a risk would teach traders to ignore it. */
.sup { color: var(--amber2, #e0a800); font-size: 11px; margin-left: 5px; cursor: help; }
.mkt .n { margin-left: auto; color: var(--faint); font-family: var(--mono); font-size: 11.5px; }
.mkt .cross { font-size: 11px; color: var(--faint); }

/* order book */
table.book { width: 100%; border-collapse: collapse; font-family: var(--mono); font-size: 12.5px; }
table.book th { text-align: right; color: var(--faint); font-weight: 500; font-size: 11px;
  text-transform: uppercase; letter-spacing: .08em; padding: 4px 10px; border-bottom: 1px solid var(--line); }
table.book td { text-align: right; padding: 4px 10px; white-space: nowrap; }
table.book th:first-child, table.book td:first-child { text-align: left; }
td.ask { color: var(--red); } td.bid { color: var(--green); }
tr.spread td { color: var(--faint); font-size: 11px; border-top: 1px dashed var(--line); border-bottom: 1px dashed var(--line); padding: 6px 10px; }
/* fillable rows are buttons: pointer on hover, ring on keyboard focus */
table.book tr.fill { cursor: pointer; }
table.book tr.fill:hover, table.book tr.fill:focus-visible { background: var(--panel2); }
table.book tr.fill:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }

/* wallet side panel */
.wrow { display: flex; align-items: baseline; gap: 8px; padding: 7px 0; border-bottom: 1px solid var(--line); font-size: 13px; }
.wrow:last-child { border-bottom: 0; }
.wrow .tk { font-weight: 700; max-width: 88px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.wrow .amt { margin-left: auto; font-family: var(--mono); font-size: 12.5px; }
.wrow .sub2 { font-size: 11px; color: var(--faint); font-family: var(--mono); }

.btn {
  border: 0; border-radius: 9px; padding: 10px 16px; font-weight: 700; font-size: 13.5px;
  background: var(--accent); color: #101014;
}
.btn:hover { filter: brightness(1.08); }
.btn:disabled { opacity: .45; cursor: default; }
.btn.ghost { background: transparent; color: var(--txt); border: 1px solid var(--line); }
.btn.ghost:hover { border-color: var(--accent); filter: none; }
.btn.small { padding: 5px 11px; font-size: 12px; margin-left: 6px; vertical-align: baseline; }
/* a pressed-state toggle (Buy / Sell): the unpressed one is dimmed */
.btn.toggle[aria-pressed="false"] { opacity: .45; }
.btn.toggle[aria-pressed="false"]:hover { opacity: .7; }
.sides { display: flex; gap: 8px; margin: 6px 0 10px; }
/* order-type switch next to the ticket heading: link-styled buttons */
.modes { display: flex; gap: 10px; align-items: baseline; }
.seg { display: inline-flex; gap: 8px; }
.linkbtn { background: none; border: 0; padding: 0; font-size: 12px; color: var(--accent); font-family: var(--disp); }
.linkbtn:hover { text-decoration: underline; }
.linkbtn[aria-pressed="true"] { color: var(--txt); font-weight: 700; cursor: default; text-decoration: none; }

input, select {
  width: 100%; background: var(--panel2); color: var(--txt); border: 1px solid var(--line);
  border-radius: 9px; padding: 9px 11px; font-size: 13.5px; font-family: var(--disp); margin-top: 6px;
}
input:focus, select:focus { outline: none; border-color: var(--accent); }
label.lbl { display: block; margin-top: 12px; font-size: 12px; color: var(--dim); }

.status { margin-top: 10px; font-size: 12.5px; color: var(--dim); min-height: 17px; }
.status.err { color: var(--red); }
.status.ok { color: var(--green); }
.hide { display: none !important; }

/* preview ribbon (P0 honesty) */
.ribbon {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 11px; letter-spacing: .1em; text-transform: uppercase; font-weight: 700;
  color: var(--accent); border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent);
  border-radius: 999px; padding: 3px 10px; margin-left: 10px; vertical-align: middle;
}

/* index tiles */
.tiles { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 30px; }
@media (max-width: 800px) { .tiles { grid-template-columns: 1fr; } }
.tile {
  position: relative; display: block; background: var(--panel); border: 1px solid var(--line);
  border-radius: 16px; padding: 22px 22px 20px 26px; color: var(--txt);
  transition: transform .09s ease, border-color .15s ease;
  overflow: hidden;
}
.tile::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--t-acc); }
.tile:hover { transform: translateY(-2px); border-color: var(--t-acc); text-decoration: none; }
.tile h3 { font-size: 19px; letter-spacing: .2px; }
.tile h3 small { color: var(--t-acc); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; display: block; margin-bottom: 6px; }
.tile p { color: var(--dim); font-size: 13.5px; margin-top: 8px; }
.tile .live { margin-top: 14px; font-family: var(--mono); font-size: 12px; color: var(--faint); }
.tile .live b { color: var(--t-acc); font-weight: 600; }
.tile-ln   { --t-acc: var(--violet); }
.tile-chain{ --t-acc: var(--gold); }
.tile-conf { --t-acc: var(--teal); }
.tile-chan { --t-acc: var(--violet); }
.tile-leaf { --t-acc: var(--lime); }

.hero { margin: 44px 0 8px; max-width: 640px; }
.hero h1 { font-size: 40px; line-height: 1.12; letter-spacing: -.015em; }
.hero h1 .g { color: var(--gold); }
.hero p { margin-top: 14px; color: var(--dim); font-size: 16px; }
.hero .req { font-size: 14.5px; color: var(--txt); border-left: 3px solid var(--gold); padding-left: 14px; }
.hero .req a { color: var(--gold); font-weight: 600; }

.foot { margin-top: 60px; padding-top: 18px; border-top: 1px solid var(--line);
  color: var(--faint); font-size: 12.5px; display: flex; gap: 18px; flex-wrap: wrap; }
.foot a { color: var(--dim); }

@media (prefers-reduced-motion: reduce) {
  .tile { transition: none; }
  .tile:hover { transform: none; }
}

/* The leaves room (developer mode). */
.room-grid { display: grid; grid-template-columns: 1fr 340px; gap: 16px; align-items: start; }
.room-grid > div { display: grid; gap: 16px; align-content: start; min-width: 0; }
.room-panel { min-width: 0; }
.room-panel .wrow .amt { white-space: nowrap; }
#pOperator .wrow .amt { white-space: normal; text-align: right; }
.room-panel .wrow .amt.mono { white-space: normal; overflow-wrap: anywhere; text-align: right; min-width: 0; }
@media (max-width: 960px) { .room-grid { grid-template-columns: 1fr; } }
.leaf-book { table-layout: fixed; }
table.leaf-book td { font-size: 12.5px; vertical-align: top; white-space: normal; overflow-wrap: anywhere; text-align: left; }
table.leaf-book th { text-align: left; }
table.leaf-book tr.why td { text-align: left; }
.leaf-book .take-amt { width: 100%; max-width: 130px; margin: 0 4px 4px 0; }
.leaf-book { width: 100%; }
.leaf-book tr.why td { padding-top: 0; font-size: 12px; border-top: 0; }
.pill.muted { border-color: var(--faint); color: var(--dim); font-weight: 500; }
.take { border-top: 1px solid var(--line); padding: 8px 0; }
.take:first-of-type { border-top: 0; }
.take .sub { font-size: 12.5px; }
.take .sub2 { font-size: 11px; overflow-wrap: anywhere; }
.pill { font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 99px; border: 1px solid var(--accent); color: var(--accent); white-space: nowrap; }
.take-final .pill { border-color: var(--green); color: var(--green); }
.take-undone .pill, .take-void .pill { border-color: var(--red); color: var(--red); }
.field { display: grid; gap: 4px; margin: 0 0 10px; }
.field input, .field select, .leaf-book input { background: var(--panel2); color: var(--txt); border: 1px solid var(--line); border-radius: 8px; padding: 7px 9px; font-size: 13px; }

/* ---- the default view: markets ---- */
.market-grid { display: grid; grid-template-columns: 240px 1fr 300px; gap: 16px; align-items: start; }
.market-main, .market-side { display: grid; gap: 16px; }
@media (max-width: 1020px) { .market-grid { grid-template-columns: 1fr; } }
.mkt-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.mkt-head #lastPrice { font-size: 20px; color: var(--txt); }
.mkt-head .price-box { display: grid; justify-items: end; line-height: 1.2; }
.mkt-head #priceKind { font-size: 12px; }
p.price-note { font-size: 12px; margin: -4px 0 10px; }
svg.chart { width: 100%; height: 160px; display: block; margin: 8px 0 4px; }
svg.chart .line { fill: none; stroke: var(--accent); stroke-width: 2; vector-effect: non-scaling-stroke; }
svg.chart .axis { fill: var(--dim); font: 11px var(--mono); }
table.book.depth { width: 100%; }
table.book.depth tr.lvl { cursor: default; }
table.book.depth tr.lvl.ask { background: linear-gradient(to left, rgba(255,107,122,.13) var(--depth), transparent var(--depth)); }
table.book.depth tr.lvl.bid { background: linear-gradient(to left, rgba(61,220,132,.13) var(--depth), transparent var(--depth)); }
table.book.depth td.bid { color: var(--green); }
.btn.side-buy[aria-pressed="true"] { background: var(--green); border-color: var(--green); color: #0b0c0f; }
.btn.side-sell[aria-pressed="true"] { background: var(--red); border-color: var(--red); color: #0b0c0f; }
.btn.go { width: 100%; margin-top: 12px; }
.btn.go-buy { background: var(--green); border-color: var(--green); color: #0b0c0f; }
.btn.go-sell { background: var(--red); border-color: var(--red); color: #0b0c0f; }
p.est { margin-top: 8px; min-height: 1.5em; }
.orders-panel { margin-top: 16px; }
.orders-panel h3 { font-size: 13px; color: var(--dim); text-transform: uppercase; letter-spacing: .06em; margin: 6px 0 8px; }
.orders-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 860px) { .orders-grid { grid-template-columns: 1fr; } }
.order { padding: 10px 0; border-top: 1px solid var(--line); }
.order:first-child { border-top: 0; }
.order b.buy { color: var(--green); } .order b.sell { color: var(--red); }
.order .btn { margin-top: 6px; }
.hrow { display: grid; grid-template-columns: 150px 1fr auto; gap: 10px; padding: 7px 0; border-top: 1px solid var(--line); align-items: baseline; }
.hrow:first-child { border-top: 0; }
@media (max-width: 600px) { .hrow { grid-template-columns: 1fr auto; } .hrow > span:first-child { grid-column: 1 / -1; } }
.pill.state-settled { color: var(--green); border-color: var(--green); }
.pill.state-sent, .pill.state-returned { color: var(--dim); border-color: var(--line); }
.pill.state-failed { color: var(--red); border-color: var(--red); }