body{margin:0}
img{max-width:100%}
[hidden]{display:none!important}

/* Layout: sticky demo banner, left rail on desktop, bottom nav on phones, one working view at a time. */
:root{
  --bg:#f4f5f2; --surface:#ffffff; --surface2:#eceee9; --line:#d9dcd4;
  --fg:#16201b; --muted:#5d6a62; --accent:#b8860b; --accent-fg:#ffffff;
  --up:#17803d; --down:#c2362b; --warn-bg:#fff3cd; --warn-fg:#5c4400;
  --display:"Bricolage Grotesque","Trebuchet MS",sans-serif;
  --body:"Instrument Sans","Segoe UI",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0c1511; --surface:#131f19; --surface2:#1a2a22; --line:#27392f;
  --fg:#e8eee9; --muted:#8fa196; --accent:#e0a82e; --accent-fg:#1a1203;
  --up:#3fc77a; --down:#f06a5e; --warn-bg:#3a2e08; --warn-fg:#f3dc9a; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0c1511; --surface:#131f19; --surface2:#1a2a22; --line:#27392f;
  --fg:#e8eee9; --muted:#8fa196; --accent:#e0a82e; --accent-fg:#1a1203;
  --up:#3fc77a; --down:#f06a5e; --warn-bg:#3a2e08; --warn-fg:#f3dc9a; color-scheme:dark}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--fg);font-family:var(--body);font-size:15px;line-height:1.45;
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));padding-block:0}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:30;background:var(--warn-bg)}
h1,h2,h3{font-family:var(--display);margin:0;text-wrap:balance;letter-spacing:-.01em}
button,input,select{font:inherit;color:inherit}
.mono,.num{font-family:var(--mono);font-variant-numeric:tabular-nums}
.demo-bar{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;margin-inline:calc(-1 * max(16px,env(safe-area-inset-left,0px)));
  padding:8px max(16px,env(safe-area-inset-right,0px)) 8px max(16px,env(safe-area-inset-left,0px));
  background:var(--warn-bg);color:var(--warn-fg);font-size:13px;font-weight:600;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.demo-bar b{letter-spacing:.08em;text-transform:uppercase;font-size:11px;background:var(--warn-fg);color:var(--warn-bg);padding:2px 7px;border-radius:3px}
.wrap{max-width:1180px;margin:0 auto;padding-block:20px 90px}
.btn{border:1px solid var(--line);background:var(--surface);padding:9px 14px;border-radius:6px;cursor:pointer;font-weight:600}
.btn:hover{border-color:var(--accent)}
.btn.primary{background:var(--accent);color:var(--accent-fg);border-color:var(--accent)}
.btn.buy{background:var(--up);color:#fff;border-color:var(--up)}
.btn.sell{background:var(--down);color:#fff;border-color:var(--down)}
.btn.sm{padding:5px 10px;font-size:13px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
input,select{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:9px 11px;width:100%}
label{display:block;font-size:12px;color:var(--muted);font-weight:600;letter-spacing:.04em;text-transform:uppercase;margin-bottom:4px}
.field{margin-bottom:14px}
.up{color:var(--up)} .down{color:var(--down)} .muted{color:var(--muted)}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:16px;min-width:0}
.panel h3{font-size:16px;margin-bottom:12px}
.tag{font-size:11px;letter-spacing:.06em;text-transform:uppercase;padding:2px 7px;border-radius:3px;background:var(--surface2);color:var(--muted);font-weight:600}
/* auth */
.auth{display:grid;grid-template-columns:1.1fr 1fr;gap:28px;align-items:center;min-height:calc(100vh - 120px)}
.auth-hero h1{font-size:clamp(34px,6vw,58px);line-height:1.02}
.auth-hero p{color:var(--muted);max-width:46ch;margin:16px 0 0}
.auth-hero .rate{margin-top:26px;display:flex;gap:18px;flex-wrap:wrap}
.auth-hero .rate div{border-left:3px solid var(--accent);padding-left:10px}
.auth-hero .rate small{display:block;color:var(--muted);font-size:12px}
.tabs{display:flex;gap:4px;background:var(--surface2);padding:4px;border-radius:8px;margin-bottom:16px}
.tabs button{flex:1;border:0;background:transparent;padding:8px;border-radius:6px;cursor:pointer;font-weight:600;color:var(--muted)}
.tabs button[aria-selected="true"]{background:var(--surface);color:var(--fg)}
.codebox{background:var(--surface2);border-radius:8px;padding:10px 12px;font-size:13px;margin-bottom:14px}
.codebox .mono{font-size:16px;letter-spacing:.2em;color:var(--accent)}
/* app shell */
.app{display:grid;grid-template-columns:200px 1fr;gap:20px}
.rail{position:sticky;top:calc(env(safe-area-inset-top,0px) + 56px);align-self:start;display:flex;flex-direction:column;gap:4px}
.rail button{text-align:left;border:0;background:transparent;padding:10px 12px;border-radius:8px;cursor:pointer;font-weight:600;color:var(--muted)}
.rail button[aria-current="page"]{background:var(--surface);color:var(--fg);box-shadow:inset 3px 0 0 var(--accent)}
.rail .who{padding:10px 12px;font-size:13px;color:var(--muted);overflow-wrap:anywhere}
.top{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.top h2{font-size:28px}
.top .tools{display:flex;gap:8px;align-items:center}
.top select{width:auto}
.grid{display:grid;gap:14px}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.g2{grid-template-columns:minmax(0,1.6fr) minmax(0,1fr)}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.kpi small{display:block;color:var(--muted);font-size:12px;letter-spacing:.04em;text-transform:uppercase;font-weight:600}
.kpi .v{font-family:var(--display);font-size:24px;font-weight:700;margin-top:4px;overflow-wrap:anywhere}
.scroll{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:14px}
th{font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);text-align:left;padding:8px;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:9px 8px;border-bottom:1px solid var(--line);white-space:nowrap}
td.r,th.r{text-align:right}
tr.click{cursor:pointer} tr.click:hover td{background:var(--surface2)}
canvas{display:block;width:100%}
.chips{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}
.chips button{border:1px solid var(--line);background:var(--surface);padding:5px 11px;border-radius:99px;cursor:pointer;font-size:13px;font-weight:600}
.chips button[aria-pressed="true"]{background:var(--accent);color:var(--accent-fg);border-color:var(--accent)}
.sig{display:flex;flex-direction:column;gap:8px}
.sig .row{display:flex;justify-content:space-between;gap:8px;align-items:center}
.sig .lv{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;font-size:13px}
.sig .lv span{display:block;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.05em}
.bar{height:6px;border-radius:3px;background:var(--surface2);overflow:hidden}
.bar i{display:block;height:100%;background:var(--accent)}
.feed{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;font-size:13px}
.feed li{display:flex;justify-content:space-between;gap:10px;border-bottom:1px solid var(--line);padding-bottom:8px}
.pill{display:inline-block;padding:2px 8px;border-radius:99px;font-size:12px;font-weight:700}
.pill.b{background:color-mix(in srgb,var(--up) 18%,transparent);color:var(--up)}
.pill.s{background:color-mix(in srgb,var(--down) 18%,transparent);color:var(--down)}
.notice{background:var(--surface2);border-radius:8px;padding:10px 12px;font-size:13px;color:var(--muted);margin-top:12px}
.opts{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:14px}
.opts button{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:10px;cursor:pointer;font-weight:600}
.opts button[aria-pressed="true"]{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(86px + env(safe-area-inset-bottom,0px));background:var(--fg);color:var(--bg);padding:10px 16px;border-radius:8px;font-weight:600;z-index:40;max-width:90vw}
.click{cursor:pointer}
.kpi.click:hover,.panel.click:hover{border-color:var(--accent)}
.kpi.sel{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.feed li.click:hover{background:var(--surface2)}
.kv>div{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid var(--line)}
.kv span{color:var(--muted);font-size:13px;flex:none}
.kv b{overflow-wrap:anywhere;font-size:13px;font-weight:500;text-align:right;flex:1;min-width:0}
.vcard{background:linear-gradient(135deg,var(--accent),color-mix(in srgb,var(--accent) 40%,var(--surface2)));color:var(--accent-fg);border-radius:14px;padding:18px;margin-bottom:14px;max-width:360px}
.vcard .n{font-family:var(--mono);font-size:19px;letter-spacing:.1em;margin:22px 0 10px}
.coin{border:1px solid var(--line);border-radius:8px;padding:12px;margin-bottom:10px;display:flex;flex-direction:column;gap:8px}
.days{display:grid;grid-template-columns:repeat(auto-fit,minmax(78px,1fr));gap:8px}
.day{border:1px solid var(--line);border-radius:8px;padding:10px;display:flex;flex-direction:column;gap:2px;font-size:13px;background:var(--surface)}
.day b{font-family:var(--display)}
.day.off{background:var(--surface2);color:var(--muted)}
.day.today{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.avatar{width:48px;height:48px;border-radius:50%;background:var(--accent);color:var(--accent-fg);display:grid;place-items:center;font-family:var(--display);font-weight:700;flex:none}
@media (max-width:860px){
  .auth{grid-template-columns:1fr;min-height:0}
  .app{grid-template-columns:1fr}
  .rail{position:fixed;left:0;right:0;bottom:0;top:auto;flex-direction:row;background:var(--surface);border-top:1px solid var(--line);
    padding:6px max(8px,env(safe-area-inset-right,0px)) calc(6px + env(safe-area-inset-bottom,0px)) max(8px,env(safe-area-inset-left,0px));z-index:25;overflow-x:auto;gap:2px}
  .rail button{padding:8px 11px;font-size:13px;white-space:nowrap;box-shadow:none!important;flex:1;text-align:center}
  .rail button[aria-current="page"]{background:var(--surface2)}
  .rail .who,.rail .spacer{display:none}
  .g4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .g2,.g3{grid-template-columns:minmax(0,1fr)}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}