/* Trading Platform — design tokens + components (dark, data-dense quant theme) */
:root{
  --bg:#0b0e14; --bg2:#0e131b; --panel:#141a23; --panel2:#1a212c; --line:#252e3a;
  --fg:#e6edf3; --muted:#8b97a6; --faint:#5d687a;
  --accent:#1aa3c4; --accent2:#7ee0f5; --good:#2ea043; --good2:#5cd684;
  --bad:#d2604a; --bad2:#f0a58e; --warn:#d29922; --chip:#1c2530;
  --radius:10px; --gap:16px;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font:14px/1.55 -apple-system,system-ui,"Segoe UI",sans-serif;background:var(--bg);color:var(--fg)}
a{color:var(--accent);text-decoration:none} a:hover{text-decoration:underline}
h1,h2,h3{margin:0}
.muted{color:var(--muted)} .faint{color:var(--faint)} .small{font-size:12px}
.mono{font-variant-numeric:tabular-nums}
.good{color:var(--good2)} .bad{color:var(--bad2)} .warn{color:var(--warn)}
.row{display:flex;gap:10px;align-items:center} .wrap{flex-wrap:wrap} .spacer{flex:1}
.col{display:flex;flex-direction:column;gap:10px}

/* layout */
.layout{display:flex;flex-direction:column;height:100vh}
.body{display:flex;flex:1;min-height:0}
.main{flex:1;overflow:auto;padding:22px 26px}
.main h1{font-size:19px;margin-bottom:4px} .main .sub{color:var(--muted);margin-bottom:18px;font-size:13px}

header.top{display:flex;align-items:center;gap:12px;padding:10px 18px;background:var(--panel);border-bottom:1px solid var(--line)}
header.top .logo{display:block;height:26px;width:auto}
.sidebar{width:212px;background:var(--bg2);border-right:1px solid var(--line);padding:14px 10px;overflow:auto}
.navitem{display:flex;align-items:center;gap:10px;padding:9px 11px;border-radius:8px;color:var(--muted);cursor:pointer;font-size:13.5px;margin-bottom:2px}
.navitem:hover{background:var(--panel);color:var(--fg);text-decoration:none}
.navitem.active{background:var(--panel2);color:var(--accent2)}
.navitem .ic{width:18px;text-align:center;opacity:.85}

/* badges */
.badge{font-size:11px;padding:2px 9px;border-radius:999px;background:var(--chip);border:1px solid var(--line);color:var(--muted)}
.badge.paper{color:var(--accent2);border-color:#1d4350}
.badge.ro{color:var(--warn);border-color:#3a3115}
.badge.role{color:var(--accent2)}
.pill{font-size:11px;color:var(--muted);background:var(--chip);border:1px solid var(--line);padding:1px 7px;border-radius:6px}

/* cards */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;margin-bottom:var(--gap)}
.card>h2{font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin-bottom:12px;font-weight:600}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap)}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
@media(max-width:880px){.grid2,.grid3{grid-template-columns:1fr}}
/* phone / tablet: stack the shell, turn the sidebar into a scrollable top strip, fit tables */
@media(max-width:760px){
  .layout{height:auto;min-height:100vh}
  .body{flex-direction:column;min-height:0}
  .sidebar{width:auto;flex-direction:row;overflow-x:auto;overflow-y:hidden;border-right:0;border-bottom:1px solid var(--line);padding:6px 8px;gap:4px;white-space:nowrap;-webkit-overflow-scrolling:touch}
  .navitem{flex:0 0 auto;margin-bottom:0;padding:8px 11px}
  .main{padding:14px 12px;overflow:visible}
  header.top{flex-wrap:wrap;padding:8px 12px;gap:6px}
  header.top .logo{height:22px}
  header.top .badge{font-size:9.5px;padding:2px 6px}
  h1{font-size:22px}
  table{font-size:12px;display:block;overflow-x:auto;white-space:nowrap}
  .metrics{flex-wrap:wrap}
  .chatdock{right:8px;bottom:8px;width:calc(100vw - 16px);height:72vh}
  .chatfab{right:10px;bottom:10px}
  .optchain{font-size:11px}
}

/* banner */
.banner{background:#2a210e;border:1px solid #5a4410;color:#f0c674;padding:9px 12px;border-radius:8px;font-size:12.5px;margin-bottom:16px}

/* buttons + inputs */
button{font:inherit;background:var(--accent);color:#03222b;border:0;border-radius:7px;padding:8px 13px;cursor:pointer;font-weight:600}
button:hover{filter:brightness(1.08)} button:disabled{opacity:.4;cursor:not-allowed;filter:none}
button.ghost{background:transparent;color:var(--fg);border:1px solid var(--line);font-weight:500}
button.ghost:hover{background:var(--panel2)}
button.sm{padding:5px 10px;font-size:12px} button.danger{background:var(--bad);color:#1b0c08}
input,select{font:inherit;background:#080b10;color:var(--fg);border:1px solid var(--line);border-radius:7px;padding:8px 10px}
input:focus,select:focus{outline:none;border-color:var(--accent)}
label.field{display:flex;flex-direction:column;gap:4px;font-size:11px;color:var(--muted)}
label.field input,label.field select{width:120px}

/* tables */
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{text-align:left;padding:7px 9px;border-bottom:1px solid var(--line)}
th{color:var(--muted);font-weight:600;font-size:12px}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
tr.clk{cursor:pointer} tr.clk:hover td{background:var(--panel2)}

/* metrics */
.metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px}
.metric{background:var(--panel2);border:1px solid var(--line);border-radius:8px;padding:10px 12px}
.metric .l{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.03em}
.metric .v{font-size:18px;font-weight:600;margin-top:3px;font-variant-numeric:tabular-nums}
.metric .s{font-size:11px;color:var(--faint);margin-top:1px}

/* gate funnel */
.gates{display:flex;flex-wrap:wrap;gap:8px}
.gate{flex:1;min-width:130px;background:var(--chip);border:1px solid var(--line);border-radius:8px;padding:9px 11px}
.gate .n{font-size:12px;font-weight:600} .gate .st{font-size:11px;margin-top:2px}
.gate.passed{border-color:#1c3a24} .gate.passed .st{color:var(--good2)}
.gate.pending .st{color:var(--muted)}
.gate .why{font-size:10.5px;color:var(--faint);margin-top:4px;line-height:1.35}

/* verdict */
.verdict{display:inline-block;font-weight:700;padding:3px 11px;border-radius:7px;font-size:12.5px}
.verdict.good{background:#10331c;color:var(--good2)} .verdict.bad{background:#3a1d16;color:var(--bad2)}

/* builder blocks */
.blk{border:1px solid var(--line);border-radius:9px;padding:11px 12px;margin-bottom:10px;background:var(--panel2)}
.blk h3{font-size:13.5px} .blk p{margin:3px 0 0;font-size:12px;color:var(--muted)}
.params{display:flex;flex-wrap:wrap;gap:10px;align-items:end;margin-top:8px}

/* charts */
.chart{width:100%;height:auto;display:block}
.chart text{fill:var(--muted);font-size:10px}
.chart .grid{stroke:var(--line);stroke-width:1}
.legend{display:flex;gap:14px;font-size:11.5px;color:var(--muted);margin-top:6px}
.legend i{display:inline-block;width:12px;height:3px;border-radius:2px;margin-right:5px;vertical-align:middle}
.bar{height:15px;border-radius:3px;background:var(--accent)} .bar.neg{background:var(--bad)}
.heat td{text-align:center;font-variant-numeric:tabular-nums}
.scrolllist{max-height:440px;overflow-y:auto;border:1px solid var(--line);border-radius:8px}
.scrolllist thead th{position:sticky;top:0;background:var(--panel);z-index:1}

/* collaborator chat dock */
.chatfab{position:fixed;right:20px;bottom:20px;height:44px;padding:0 16px;border-radius:22px;font-size:14px;font-weight:600;background:var(--accent);color:#04222b;border:0;cursor:pointer;box-shadow:0 4px 16px rgba(0,0,0,.45);z-index:50}
.chatfoot{padding:6px 10px;font-size:11px;border-top:1px solid var(--line)}
.chatfoot a{color:var(--accent)}
.grpedit{width:96px;padding:2px 6px;font-size:12px}
table.optchain{width:100%;border-collapse:collapse;font-size:12px}
table.optchain th,table.optchain td{padding:3px 7px;text-align:right}
table.optchain .callhdr{text-align:center;color:#5fcf80}
table.optchain .puthdr{text-align:center;color:#e0794f}
table.optchain .strikehdr,table.optchain .strikecell{text-align:center;background:var(--panel2);font-weight:600}
table.optchain tr.atm{background:rgba(194,145,46,.14)}
table.optchain td.itm{background:rgba(255,255,255,.04)}
table.optchain thead th{position:sticky;top:0;background:var(--panel);z-index:1}
.watchbrief{background:var(--panel2);border:1px solid var(--line);border-radius:8px;padding:10px;margin-bottom:10px}
.rate{margin-top:6px;display:flex;gap:4px}
.rate .rbtn{background:transparent;border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-size:12px;cursor:pointer;opacity:.55}
.rate .rbtn.on{opacity:1;border-color:var(--accent)}
.chatdock{position:fixed;right:20px;bottom:20px;width:380px;max-width:calc(100vw - 40px);height:540px;max-height:calc(100vh - 90px);background:var(--panel);border:1px solid var(--line);border-radius:12px;display:flex;flex-direction:column;z-index:50;box-shadow:0 10px 34px rgba(0,0,0,.5)}
.chathead{display:flex;align-items:center;gap:8px;padding:10px 12px;border-bottom:1px solid var(--line)}
.chatbody{flex:1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:10px}
.chatmsg{display:flex}.chatmsg.user{justify-content:flex-end}
.chatmsg .bub{max-width:86%;padding:8px 11px;border-radius:10px;font-size:13px;line-height:1.5;white-space:pre-wrap;word-wrap:break-word}
.chatmsg.user .bub{background:var(--accent);color:#04222b}
.chatmsg.assistant .bub{background:var(--panel2);border:1px solid var(--line);color:var(--fg)}
.chatinput{display:flex;gap:6px;padding:10px;border-top:1px solid var(--line)}
.chatinput input{flex:1}

/* misc */
.spin{display:inline-block;width:15px;height:15px;border:2px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:sp .7s linear infinite;vertical-align:-2px;margin-right:7px}
@keyframes sp{to{transform:rotate(360deg)}}
.err{color:var(--bad2);font-size:13px}
/* segmented control — high contrast: inactive = dark panel + readable text, active = accent + dark text */
.tabs{display:flex;gap:6px;margin-bottom:14px;flex-wrap:wrap}
.tab{padding:8px 14px;cursor:pointer;color:var(--fg);background:var(--panel2);border:1px solid var(--line);border-radius:8px;font-size:13px;font-weight:600}
.tab:hover{border-color:var(--accent);filter:none}
.tab.active{background:var(--accent);color:#03222b;border-color:var(--accent)}
.empty{color:var(--faint);font-size:13px;padding:8px 0}

/* login */
.login{max-width:360px;margin:11vh auto}
.login .card{padding:24px}
.login input{width:100%;margin-bottom:11px}
.login h1{font-size:18px;margin-bottom:4px}

/* Analyze-with-Klaude panel */
.analyze-overlay{position:fixed;inset:0;background:rgba(4,7,12,.62);display:flex;align-items:center;justify-content:center;z-index:60;padding:20px}
.analyze-panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;width:640px;max-width:100%;max-height:88vh;overflow-y:auto;padding:18px 20px;box-shadow:0 14px 44px rgba(0,0,0,.55)}
.afield{margin-top:14px;display:flex;flex-direction:column;gap:6px}
.afield label{font-size:12px;color:var(--muted)}
.afield input{width:100%}
.seg{display:flex;gap:6px;flex-wrap:wrap}
.segbtn{padding:7px 13px;cursor:pointer;color:var(--fg);background:var(--panel2);border:1px solid var(--line);border-radius:8px;font-size:13px;font-weight:600}
.segbtn:hover{border-color:var(--accent)}
.segbtn.on{background:var(--accent);color:#03222b;border-color:var(--accent)}
.report-body{white-space:pre-wrap;word-wrap:break-word;font-size:13.5px;line-height:1.6;background:var(--panel2);border:1px solid var(--line);border-radius:9px;padding:14px 16px;margin-top:4px}
@media (max-width:640px){.analyze-panel{width:100%;padding:14px}}