@font-face{font-family:'Noto Sans';font-style:normal;font-weight:100 900;font-display:swap;src:url('/assets/noto-sans-latin.woff2') format('woff2')}
/* OKX-like dark exchange theme: near-black canvas, flat panels split by hairlines. */
:root{color-scheme:dark;--bg:#000;--surface:#121212;--raised:#1f1f1f;--input:#1a1a1a;--line:#232323;--line-strong:#333;
 --text:#fff;--soft:#c8c8c8;--muted:#8a8a8a;--green:#25a750;--red:#ca3f64;--green-bg:rgba(37,167,80,.14);--red-bg:rgba(202,63,100,.14);
 --accent:#fff;--warn:#f0b90b;--radius:6px}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{margin:0;background:var(--bg);color:var(--text);font:12px/1.5 'Noto Sans','PingFang SC','Noto Sans SC',system-ui,sans-serif;font-variant-numeric:tabular-nums;overflow:hidden}
input,select,button,textarea{font:inherit;font-variant-numeric:tabular-nums}
input,select,textarea{background:var(--input);color:var(--text);border:1px solid transparent;border-radius:var(--radius);padding:8px 10px;min-width:0}
input:hover,select:hover,textarea:hover{border-color:var(--line-strong)}
input:focus,select:focus,textarea:focus{border-color:#666;outline:none}
button{background:var(--raised);color:var(--text);border:1px solid transparent;border-radius:var(--radius);padding:7px 12px;cursor:pointer;white-space:nowrap}
button:disabled,input:disabled,select:disabled{opacity:.4;cursor:not-allowed}
button:active:not(:disabled){transform:translateY(1px)}
:focus-visible{outline:2px solid #fff;outline-offset:2px}
@media(hover:hover){button:hover:not(:disabled){background:#2a2a2a}}
.green{color:var(--green)}.red{color:var(--red)}.muted{color:var(--muted)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.tag{font-size:10px;color:var(--muted);border:1px solid var(--line-strong);border-radius:3px;padding:0 5px}
.count{color:var(--muted);font-weight:400;margin-left:4px}
.empty{color:var(--muted);text-align:center;padding:22px 8px!important}

/* ---------- top nav + pair bar ---------- */
#topnav{height:48px;display:flex;align-items:center;gap:22px;padding:0 16px;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:16px;letter-spacing:-.02em}
.brand-mark{display:grid;place-items:center;width:26px;height:26px;border-radius:5px;background:#fff;color:#000;font-size:11px;font-weight:800}
.brand small{display:block;font-size:10px;font-weight:400;color:var(--muted);letter-spacing:0}
.nav-links{display:flex;gap:18px;color:var(--soft);font-size:13px}.nav-links b{color:#fff;font-weight:600}
.user-controls{margin-left:auto;display:flex;align-items:center;gap:12px;color:var(--soft)}
.user-controls .quiet{background:transparent;border:1px solid var(--line-strong);border-radius:16px;padding:4px 12px}
.connection{display:inline-flex;align-items:center;gap:6px;font-size:11px;color:var(--muted)}
.connection::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--muted)}
.connection[data-state=ready]::before{background:var(--green)}.connection[data-state=down]::before{background:var(--red)}
#pairbar{height:56px;display:flex;align-items:center;gap:28px;padding:0 16px;border-bottom:1px solid var(--line);overflow-x:auto;scrollbar-width:none}
.market-controls{display:flex;align-items:center;gap:8px}
#sym{font-size:16px;font-weight:700;background:transparent;padding:6px 4px;border:0}
.quote{display:flex;flex-direction:column;line-height:1.2;min-width:110px;flex:none}
.quote-price{display:flex;align-items:baseline;gap:5px;white-space:nowrap}
#price{font-size:18px;font-weight:700;color:var(--green)}#price[data-direction='down']{color:var(--red)}
#quote-unit{font-size:10px;color:var(--muted)}.quote-change{font-size:11px;min-height:14px;white-space:nowrap}
.stat{display:flex;flex-direction:column;line-height:1.35;white-space:nowrap;flex:none}
.stat span{font-size:11px;color:var(--muted)}.stat b{font-size:12px;font-weight:500}
.stat .countdown{color:var(--warn)}
#pairbar .stat[hidden]{display:none}

/* ---------- workspace grid ---------- */
#wrap{--trade-width:280px;--rank-width:300px;height:calc(100vh - 104px);display:flex}
#app{flex:1;min-width:320px;display:flex;flex-direction:column;min-height:0;overflow:hidden}
#workspace,#lowerpanels,#rightbar{grid-template-columns:minmax(0,1fr)}
#positions,#history,#chartpane,#lbbar,#chatpane{min-width:0}
#tradebar{width:var(--trade-width);flex:none;display:flex;flex-direction:column;min-height:0;overflow:hidden auto;border-right:1px solid var(--line)}
#tradebar>*{min-width:0}
#rightbar{width:var(--rank-width);flex:none;display:grid;grid-template-rows:minmax(120px,1fr) 10px minmax(160px,1fr);min-height:0;border-left:1px solid var(--line)}
#workspace{flex:1;display:grid;grid-template-rows:minmax(120px,.68fr) 10px minmax(170px,.32fr);min-height:0}
.splitter{background:var(--bg);position:relative;touch-action:none}
.splitter::after{content:'';position:absolute;inset:4px 0;background:var(--line)}
.splitter:not(.vertical){cursor:row-resize}.splitter.vertical{width:6px;flex:none;cursor:col-resize}
.splitter.vertical::after{inset:0 2px}
.splitter:hover::after,.splitter[data-dragging]::after{background:#555}
.panel-heading{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:0 12px;height:38px;border-bottom:1px solid var(--line);flex:none}
.panel-heading h2,.panel-heading h3{margin:0;font-size:13px;font-weight:600}
.panel-heading>span{color:var(--muted);font-size:11px}
.tabs{display:flex;gap:18px;height:100%;align-items:stretch}
.tabs button{background:none;border:0;border-radius:0;padding:0;color:var(--muted);font-weight:500;position:relative}
.tabs button[aria-selected=true]{color:#fff}
.tabs button[aria-selected=true]::after{content:'';position:absolute;left:0;right:0;bottom:-1px;height:2px;background:#fff;border-radius:2px}
@media(hover:hover){.tabs button:hover:not(:disabled){background:none;color:#fff}}

/* ---------- chart ---------- */
#chartpane{position:relative;display:flex;flex-direction:column;min-height:0}
.chart-toolbar{display:flex;align-items:center;gap:4px;height:36px;padding:0 10px;border-bottom:1px solid var(--line);flex:none}
.chart-toolbar .itv{background:none;border:0;color:var(--muted);padding:3px 8px;border-radius:4px;font-size:12px}
.chart-toolbar .itv[aria-pressed=true]{background:var(--raised);color:#fff}
.chart-toolbar label{margin-left:auto;display:flex;align-items:center;gap:6px;color:var(--muted)}
#itv{padding:3px 6px;font-size:12px;background:var(--input)}
#cv{flex:1;min-height:0}
#px{position:absolute;top:44px;left:12px;z-index:3;font-size:11px;color:var(--soft);pointer-events:none}
#msg{position:absolute;top:48px;left:50%;transform:translateX(-50%);z-index:6;width:max-content;max-width:calc(100% - 32px);margin:0;padding:8px 14px;background:#1f1f1f;color:#fff;border:1px solid var(--line-strong);border-radius:6px;overflow-wrap:anywhere;font-size:12px;pointer-events:none;box-shadow:0 8px 24px rgba(0,0,0,.5)}
#msg:empty{display:none}
#nstar-feed{position:absolute;left:12px;bottom:34px;z-index:5;margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:4px;max-width:min(440px,calc(100% - 90px));pointer-events:none}
#nstar-feed:empty{display:none}
#nstar-feed li{font-size:11px;line-height:1.45;padding:5px 9px;border-radius:5px;background:rgba(18,18,18,.92);border:1px solid var(--line-strong);overflow-wrap:anywhere;animation:feed-in .18s ease-out}
#nstar-feed li[data-kind='rumor']{color:var(--warn)}
#nstar-feed li[data-kind='whale']{color:#9ecbff}#nstar-feed time{color:var(--muted);margin-right:6px}
@keyframes feed-in{from{opacity:0;transform:translateY(4px)}}
@media(prefers-reduced-motion:reduce){#nstar-feed li{animation:none}}

/* ---------- order book + trades (right column) ---------- */
#lbbar,#chatpane{display:flex;flex-direction:column;min-height:0;position:relative}
#book{flex:1;min-height:0;display:flex;flex-direction:column;font-size:11px}
.book-head,.book-row,.tape-row{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:6px;padding:0 12px;align-items:center}
.book-head{height:26px;color:var(--muted)}.book-head span:not(:first-child),.book-row span:not(:first-child),.tape-row span:not(:first-child){text-align:right}
.book-side{flex:1;min-height:0;overflow:hidden;display:flex;flex-direction:column}
#book-asks{justify-content:flex-end}
.book-row{height:20px;position:relative;cursor:pointer}
.book-row::before{content:'';position:absolute;top:1px;bottom:1px;right:0;width:var(--depth,0%);z-index:0}
.book-row.ask::before{background:var(--red-bg)}.book-row.bid::before{background:var(--green-bg)}
.book-row span{position:relative;z-index:1}.book-row.ask span:first-child{color:var(--red)}.book-row.bid span:first-child{color:var(--green)}
@media(hover:hover){.book-row:hover{background:#151515}}
.book-mid{display:flex;align-items:baseline;gap:8px;padding:6px 12px;border-block:1px solid var(--line)}
.book-mid b{font-size:16px}.book-mid span{color:var(--muted)}
#tape{flex:1;min-height:0;overflow:auto;font-size:11px}
.tape-row{height:20px}.tape-row .t-buy{color:var(--green)}.tape-row .t-sell{color:var(--red)}
#rankT{width:100%;border-collapse:collapse;font-size:11px}
#rankT th,#rankT td{padding:6px 10px;text-align:right;border-bottom:1px solid var(--line);white-space:nowrap}
#rankT th:nth-child(-n+2),#rankT td:nth-child(-n+2){text-align:left}
#rankT th{color:var(--muted);font-weight:400}
#rankT tr.me td{background:#141414}
#rankT .online::before,#rankT .offline::before{content:'';display:inline-block;width:6px;height:6px;border-radius:50%;margin-right:5px;background:var(--green)}
#rankT .offline::before{background:#444}
.side-pane{flex:1;min-height:0;overflow:auto}.side-pane[hidden],#book[hidden],#tape[hidden]{display:none}
.chat-pane:not([hidden]){display:flex;flex-direction:column;overflow:hidden}
#chat-messages{flex:1;min-height:0;overflow:auto;padding:8px 12px}
.chat-item{padding:6px 0;border-bottom:1px solid var(--line)}.chat-item b{font-weight:600;margin-right:6px}
.chat-item time{color:var(--muted);font-size:10px}.chat-item div{color:var(--soft);overflow-wrap:anywhere}
#chat-form{padding:8px 12px;border-top:1px solid var(--line);flex:none}
#chat-text{width:100%;resize:none}
.chat-actions{display:flex;justify-content:space-between;align-items:center;margin-top:6px;font-size:10px}
#chat-error{color:var(--red);font-size:11px}

/* ---------- order panel ---------- */
.mode-tabs{display:grid;grid-template-columns:1fr 1fr;margin:12px 12px 0;background:var(--input);border-radius:var(--radius);padding:3px;flex:none}
.mode-tabs button{background:none;border:0;padding:6px 0;color:var(--muted);font-weight:600}
.mode-tabs button[aria-selected=true]{background:var(--raised);color:#fff}
.side-tabs{display:grid;grid-template-columns:1fr 1fr;gap:0;margin:10px 12px 0;flex:none}
.side-tabs button{border-radius:0;padding:8px 0;font-weight:600;background:var(--input);color:var(--muted)}
.side-tabs button:first-child{border-radius:var(--radius) 0 0 var(--radius)}.side-tabs button:last-child{border-radius:0 var(--radius) var(--radius) 0}
.side-tabs button[aria-selected=true].buy{background:var(--green);color:#fff}.side-tabs button[aria-selected=true].sell{background:var(--red);color:#fff}
.order-form{padding:10px 12px;display:flex;flex-direction:column;gap:8px}
.order-form[hidden]{display:none}
.order-symbol{display:flex;justify-content:space-between;align-items:baseline;color:var(--muted);font-size:11px}
.order-symbol b{color:#fff;font-size:13px}
.field{display:flex;align-items:center;background:var(--input);border-radius:var(--radius);padding:0 10px;border:1px solid transparent}
.field:focus-within{border-color:#666}
.field>span:first-child{color:var(--muted);flex:none;font-size:12px}
.field input{flex:1;background:transparent;border:0;text-align:right;padding:9px 6px;outline:none}
.field .unit{color:var(--soft);flex:none;font-size:12px}
.slider-box{padding:2px 2px 0}
input.slider,.leverage-form input.slider{-webkit-appearance:none;appearance:none;display:block;box-sizing:border-box;width:100%;height:4px;padding:0;border:0;margin:10px 0 6px;border-radius:2px;outline:none;cursor:pointer;
 background:linear-gradient(90deg,#fff 0,#fff var(--fill,0%),var(--line-strong) var(--fill,0%))}
input.slider:disabled{opacity:.4;cursor:not-allowed}
.slider::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--input);box-shadow:0 0 0 1px #fff}
.slider::-moz-range-thumb{width:10px;height:10px;border-radius:50%;background:#fff;border:3px solid var(--input);box-shadow:0 0 0 1px #fff}
.slider:focus-visible::-webkit-slider-thumb{box-shadow:0 0 0 3px #888}
.slider-ticks{display:flex;justify-content:space-between}
.slider-ticks button{font-size:11px;padding:2px 0;min-width:30px;background:transparent;border:0;color:var(--soft)}
.slider-ticks button:hover{color:#fff}
.lev-ticks{position:relative;height:16px}
.lev-ticks span{position:absolute;transform:translateX(-50%);font-size:11px;color:var(--soft);white-space:nowrap}
.lev-ticks span:first-child{transform:none}.lev-ticks span:last-child{transform:translateX(-100%)}
.tier-hint{font-size:11px;line-height:1.5}
.type-tabs{display:flex;gap:14px;border-bottom:1px solid var(--line-strong)}
.type-tabs button{background:transparent;border:0;border-bottom:2px solid transparent;border-radius:0;padding:4px 0 6px;font-size:12px;color:var(--muted)}
.type-tabs button[aria-selected='true']{color:#fff;border-bottom-color:#fff}
.tpsl-entry summary{cursor:pointer;font-size:12px;color:var(--muted);padding:2px 0}
.tpsl-entry[open]{display:flex;flex-direction:column;gap:6px}
.tpsl-entry[open] summary{margin-bottom:0}
.order-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:11px}
.order-meta b{color:var(--soft);font-weight:500}
.order-buttons{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.order-buttons button,.spot-submit{display:flex;flex-direction:column;align-items:center;gap:1px;padding:9px 0;font-weight:700;border-radius:var(--radius);color:#fff;min-width:0;overflow:hidden;text-overflow:ellipsis}
.order-buttons small{font-weight:400;font-size:11px;opacity:.85}
.buy{background:var(--green)}.sell{background:var(--red)}
@media(hover:hover){.buy:hover:not(:disabled){background:#2fbf5e}.sell:hover:not(:disabled){background:#de4b72}}
.spot-submit{width:100%}
#symbol-status:empty{display:none}#symbol-status{font-size:11px;margin:0;color:var(--warn)}
.leverage-form{padding:0 12px 10px;display:flex;flex-direction:column;gap:6px}
.leverage-form label{display:flex;justify-content:space-between;align-items:center;color:var(--muted)}
.leverage-form input{width:96px;text-align:right}
#lev-apply{width:100%}
#lev-hint{margin:0;font-size:10px;color:var(--muted)}
.close-section{padding:0 12px 10px}#close-all{width:100%}
#acct,#spot-acct{padding:10px 12px;border-top:1px solid var(--line)}
.account-stats{display:grid;grid-template-columns:1fr 1fr;gap:10px 8px}
.account-stat span{display:block;font-size:10px;color:var(--muted)}.account-stat b{font-size:13px;font-weight:600}
.account-meta{display:flex;flex-wrap:wrap;gap:4px 12px;margin-top:10px;font-size:11px;color:var(--muted)}
.account-meta strong{font-weight:500;color:var(--soft)}
.loan-panel{padding:10px 12px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:8px}
.loan-panel summary{cursor:pointer;color:var(--soft);font-weight:600}
.loan-row{display:flex;gap:6px;align-items:flex-end}.loan-row label{flex:1;display:flex;flex-direction:column;gap:4px;font-size:10px;color:var(--muted)}
.loan-row button{flex:none}
.debt-status{font-size:11px;color:var(--muted)}
.danger{color:var(--red);background:transparent;border:1px solid #4a2430;width:100%}

/* ---------- bottom tabs: positions / assets / history ---------- */
#lowerpanels{display:grid;grid-template-rows:minmax(80px,.6fr) 10px minmax(80px,.4fr);min-height:0}
#positions,#history{display:flex;flex-direction:column;min-height:0;position:relative}
.table-scroll{flex:1;min-height:0;overflow:auto}
#pos,#historyT,#spotT{width:100%;border-collapse:collapse;font-size:11px}
#pos th,#pos td,#historyT th,#historyT td,#spotT th,#spotT td{padding:7px 10px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
#pos th,#historyT th,#spotT th{color:var(--muted);font-weight:400;position:sticky;top:0;background:var(--bg);z-index:1}
#pos .ctr{text-align:left}
.pos-sym b{font-weight:600}.pos-sym small{display:block;color:var(--muted)}
.lev-badge{font-size:10px;padding:0 4px;border-radius:3px;margin-left:4px;background:var(--raised);color:var(--soft)}
.side-badge{font-size:10px;padding:0 4px;border-radius:3px;margin-right:4px}
.side-badge.long{background:var(--green-bg);color:var(--green)}.side-badge.short{background:var(--red-bg);color:var(--red)}
#pos td button{padding:3px 9px;font-size:11px;background:transparent;border:1px solid var(--line-strong)}
#pos td .tpsl{color:var(--muted);font-size:11px}
.panel-status{position:absolute;inset:38px 0 0;z-index:4;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;background:var(--bg);color:var(--muted)}
#chartpane>.panel-status{inset:36px 0 0}
.panel-status[hidden]{display:none}.panel-status button{display:none}.panel-status[data-state=error] button{display:inline-block}
.panel-status[data-state=error] .spinner{display:none}
.history-status{position:absolute;inset:38px 0 0;z-index:4;display:flex;align-items:center;justify-content:center;gap:8px;background:var(--bg);color:var(--muted)}
.history-status[hidden]{display:none}.history-status button{display:none}.history-status[data-state=error] button{display:inline-block}
.spinner{width:16px;height:16px;border:2px solid #333;border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(1turn)}}
@media(prefers-reduced-motion:reduce){.spinner{animation-duration:2.4s}}

/* ---------- dialog ---------- */
dialog{background:var(--surface);color:var(--text);border:1px solid var(--line-strong);border-radius:10px;padding:18px;width:min(360px,calc(100vw - 32px))}
dialog::backdrop{background:rgba(0,0,0,.6)}
dialog h3{margin:0 0 12px;font-size:15px}
dialog form{display:flex;flex-direction:column;gap:10px}
.dialog-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:6px}
.dialog-actions .primary{background:#fff;color:#000;font-weight:600}

/* ---------- auth ---------- */
#auth{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:radial-gradient(1200px 600px at 70% -10%,#1c2a14 0%,#000 60%)}
#authbox{width:min(400px,calc(100vw - 32px));padding:32px;background:var(--surface);border:1px solid var(--line);border-radius:14px}
#authbox .brand{margin-bottom:22px}
#authbox h1{margin:0 0 6px;font-size:22px}
#authbox>p.muted{font-size:12px;line-height:1.7;margin:0 0 20px}
#authbox label{display:block;font-size:11px;color:var(--muted);margin:12px 0 6px}
#authbox input{width:100%;padding:11px 12px}
#authbox .auth-rule{font-size:10px;color:var(--muted);margin:6px 0 0;line-height:1.5}
#autherr{color:var(--red);font-size:12px;min-height:18px;margin-top:8px}
#authbox button{width:100%;margin-top:10px;padding:11px}
#authbox .primary{background:#fff;color:#000;font-weight:700}
.auth-note{color:var(--muted);font-size:10px;text-align:center;margin:20px 0 0}

/* ---------- responsive ---------- */
@media(max-width:1100px){.nav-links{display:none}#pairbar{gap:18px}}
@media(max-width:800px){
 body{overflow:auto}#wrap{height:auto;flex-direction:column}
 #app,#tradebar,#rightbar{width:auto}#tradebar{border:0;border-top:1px solid var(--line)}
 #rightbar{height:640px;border:0}#workspace{height:900px}.splitter.vertical{display:none}
 .connection{font-size:0}
}