/* =============================================================================
   Shared design system for the crypto thesis app.
   Blend: the display type and accent gradients of the Fear & Greed dashboard,
   over the flat panels and hairline rules of the ETH path chart, so the home
   page has presence while the data-dense pages stay legible.
   ============================================================================= */

:root{
  /* ground */
  --bg:#0a0e17;
  --bg-glow-a:#161f3d;
  --bg-glow-b:#18122e;
  --panel:#111725;
  --panel-2:#161d2e;
  --rule:#222b3c;
  --rule-soft:#1a2030;

  /* ink */
  --ink:#e6eaf4;
  --ink-2:#97a2b6;
  --ink-3:#626d82;

  /* assets and verdicts */
  --eth:#8b9bff;
  --eth-rgb:139,155,255;
  --btc:#f0a340;
  --btc-rgb:240,163,64;
  --sbet:#f2a33c;
  --up:#2ec27e;
  --down:#ef5350;
  --warn:#e0a33c;

  /* sentiment spectrum */
  --fear:#ff3b4e;
  --fear-2:#ff8a34;
  --neutral:#f4d03f;
  --greed-2:#54d27a;
  --greed:#10c95f;

  --accent:#8b9bff;
  --focus:#7fd4ff;
  --r:10px;

  --display:"Space Grotesk","Helvetica Neue",Arial,sans-serif;
  --body:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--body);
  font-size:15px;line-height:1.55;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}
body.has-glow{
  background:
    radial-gradient(1100px 520px at 78% -10%, var(--bg-glow-a) 0%, transparent 62%),
    radial-gradient(820px 460px at 6% 2%, var(--bg-glow-b) 0%, transparent 58%),
    var(--bg);
}
img{max-width:100%}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px}

.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.page{padding:26px 0 80px}

/* ---------------------------------------------------------------- type */
h1,h2,h3{font-family:var(--display);font-weight:600;letter-spacing:-.02em;margin:0;line-height:1.12}
h1{font-size:clamp(26px,4.4vw,40px)}
h2{font-size:clamp(19px,2.5vw,25px)}
h3{font-size:16px;letter-spacing:-.01em}
p{margin:0 0 12px;max-width:74ch}
.lede{color:var(--ink-2);font-size:15.5px;max-width:66ch}
.eyebrow{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--ink-3);margin:0 0 10px;display:flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--ink-3);flex:none}
.eyebrow.spectrum::before{background:linear-gradient(90deg,var(--fear),var(--neutral),var(--greed))}
.muted{color:var(--ink-2)}
.dim{color:var(--ink-3)}
.mono{font-family:var(--mono)}
b,strong{font-weight:600;color:var(--ink)}
.sec{margin-top:44px}
.sec > h2 + .lede{margin-top:6px}
.pos{color:var(--up)}.neg{color:var(--down)}

/* ---------------------------------------------------------------- nav */
.topbar{
  position:sticky;top:0;z-index:60;
  background:rgba(10,14,23,.92);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--rule);
}
.topbar-in{display:flex;align-items:center;gap:14px;min-height:60px}
@media (max-width:860px){
  .topbar-in{flex-wrap:wrap;gap:9px;min-height:0;padding-block:9px}
  .topbar-in .navlinks{order:3;flex-basis:100%;margin-left:0}
  .topbar-in .langsw{margin-left:auto}
}
.brand{display:flex;align-items:center;gap:9px;font-family:var(--display);font-weight:600;
  font-size:14.5px;color:var(--ink);white-space:nowrap;flex:none}
.brand:hover{text-decoration:none}
.brand .dot{width:10px;height:10px;border-radius:50%;flex:none;
  background:linear-gradient(135deg,var(--eth),var(--btc))}
.brand .short{display:none}
/* The full name used to be dropped below 1080px, which left a phone showing one
   word where the app's title should be. The bar wraps to two rows instead: the
   name and the language switch on top, the tab strip across the width below. The
   short name is now a real title too, kept only for the narrowest screens. */
@media (max-width:430px){ .brand .full{display:none} .brand .short{display:inline} }

/* Numbered step chips. Each carries its own surface and a badge, so they read as
   controls even on the home page where the reader has not clicked anything yet. */
.navlinks{display:flex;gap:4px;margin-left:auto;overflow-x:auto;scrollbar-width:none;
  padding:3px;background:var(--panel);border:1px solid var(--rule);border-radius:11px}
.navlinks::-webkit-scrollbar{display:none}
.navlinks a{
  display:flex;align-items:center;gap:8px;flex:none;
  font-family:var(--body);font-size:13px;font-weight:500;color:var(--ink-2);
  padding:7px 11px;border-radius:8px;white-space:nowrap;
  border:1px solid transparent;transition:.15s;
}
.navlinks a .n{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:21px;height:18px;border-radius:5px;
  background:var(--rule-soft);color:var(--ink-3);
  font-family:var(--mono);font-size:10px;font-weight:600;letter-spacing:.02em;
}
.navlinks a:hover{color:var(--ink);background:var(--panel-2);
  border-color:var(--rule);text-decoration:none}
.navlinks a:hover .n{background:var(--rule);color:var(--ink-2)}
.navlinks a[aria-current="page"]{
  color:#fff;background:var(--panel-2);
  border-color:rgba(139,155,255,.45);
  box-shadow:0 0 0 1px rgba(139,155,255,.12);
}
.navlinks a[aria-current="page"] .n{background:var(--accent);color:#0a0e17}

.langsw{display:flex;background:var(--panel);border:1px solid var(--rule);
  border-radius:20px;padding:2px;flex:none}
.langsw button{
  font-family:var(--mono);font-size:11px;font-weight:600;color:var(--ink-3);
  background:transparent;border:0;padding:5px 11px;border-radius:16px;cursor:pointer;transition:.15s;
}
.langsw button:hover{color:var(--ink)}
.langsw button[aria-pressed="true"]{background:var(--accent);color:#0a0e17}

@media (max-width:900px){
  .topbar-in{flex-wrap:wrap;padding:10px 0;gap:10px}
  .navlinks{order:3;width:100%;margin-left:0;
    /* fade the right edge so it is obvious the strip scrolls */
    -webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 28px),transparent);
    mask-image:linear-gradient(90deg,#000 calc(100% - 28px),transparent)}
  .langsw{margin-left:auto}
}
@media (max-width:420px){
  .navlinks a{font-size:12.5px;padding:7px 9px;gap:6px}
}

/* ---------------------------------------------------------------- panels */
.panel{background:var(--panel);border:1px solid var(--rule);border-radius:var(--r);padding:18px}
.panel.pad-sm{padding:13px}
.grid{display:grid;gap:12px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}

/* stat strip — hairline-separated cells, terminal density */
.strip{
  display:grid;gap:1px;background:var(--rule);
  border:1px solid var(--rule);border-radius:var(--r);overflow:hidden;
}
.strip .cell{background:var(--panel);padding:14px 16px;min-width:0;
  display:flex;flex-direction:column}
.strip .cell .v{margin-top:auto}
.strip .k{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-3);line-height:1.35;overflow-wrap:anywhere}
.strip .v{font-family:var(--display);font-weight:600;font-size:clamp(19px,2.7vw,24px);
  letter-spacing:-.015em;margin-top:7px;line-height:1.05}
.strip .x{font-size:11.5px;color:var(--ink-3);margin-top:5px;line-height:1.4;overflow-wrap:anywhere}

/* ---------------------------------------------------------------- controls */
.seg{display:inline-flex;background:var(--panel);border:1px solid var(--rule);
  border-radius:9px;padding:3px;gap:2px;flex-wrap:wrap}
.seg button{
  font-family:var(--mono);font-size:12px;color:var(--ink-2);background:transparent;border:0;
  padding:7px 13px;border-radius:6px;cursor:pointer;transition:.15s;white-space:nowrap;
}
.seg button:hover{color:var(--ink);background:var(--panel-2)}
.seg button[aria-pressed="true"]{background:rgba(var(--eth-rgb),.16);color:var(--eth)}
.seg button:disabled{opacity:.35;cursor:default}
.seg.btc button[aria-pressed="true"]{background:rgba(var(--btc-rgb),.16);color:var(--btc)}
.ctl{display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.ctl-label{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--ink-3)}
.toolrow{display:flex;flex-wrap:wrap;gap:12px 20px;align-items:center;margin:14px 0 0}

label.chk{display:inline-flex;gap:7px;align-items:center;cursor:pointer;user-select:none;
  font-size:13px;color:var(--ink-2)}
input[type=checkbox]{accent-color:var(--accent);width:14px;height:14px}
input[type=range]{width:100%;height:22px;accent-color:var(--accent)}
input[type=number],input[type=text]{
  font:inherit;font-size:13px;font-family:var(--mono);padding:7px 10px;
  background:var(--bg);color:var(--ink);
  border:1px solid var(--rule);border-radius:7px;width:120px;
}
input[type=number]:focus,input[type=text]:focus{border-color:var(--accent);outline:none}
.btn{
  font-family:var(--body);font-size:13px;font-weight:500;color:var(--ink);
  background:var(--panel);border:1px solid var(--rule);border-radius:8px;
  padding:9px 14px;cursor:pointer;transition:.15s;
}
.btn:hover{border-color:var(--accent);color:#fff}
.btn.ghost{background:transparent}

/* ---------------------------------------------------------------- tables */
table{width:100%;border-collapse:collapse;font-size:13.5px}
th{font-family:var(--mono);font-size:10px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--ink-3);font-weight:500;text-align:right;padding:0 12px 9px 0;
  border-bottom:1px solid var(--rule)}
td{padding:10px 12px 10px 0;border-bottom:1px solid var(--rule-soft);
  color:var(--ink-2);text-align:right;vertical-align:top}
th:first-child,td:first-child{text-align:left}
td:first-child{color:var(--ink)}
tbody tr:last-child td{border-bottom:0}
tfoot td{border-top:1px solid var(--rule);border-bottom:0;color:var(--ink);font-weight:600}
.tbl-scroll{overflow-x:auto;border:1px solid var(--rule);border-radius:var(--r);
  background:var(--panel);padding:14px 16px}
.swatch{display:inline-block;width:9px;height:9px;border-radius:2px;margin-right:9px;flex:none}
.badge{display:inline-block;font-family:var(--mono);font-size:10px;font-weight:600;
  letter-spacing:.06em;padding:2px 7px;border-radius:4px;white-space:nowrap}
.badge.warn{background:rgba(239,83,80,.14);color:#ff8a86}
.badge.ok{background:rgba(46,194,126,.14);color:#57d79b}

/* two-up comparison blocks, used by the thesis and treasury pages */
.cases{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.case{border:1px solid var(--rule);border-radius:var(--r);padding:16px;background:var(--panel)}
.case.bull{border-color:rgba(46,194,126,.4)}
.case .lbl{font-family:var(--mono);font-size:10.5px;letter-spacing:.15em;
  text-transform:uppercase;color:var(--ink-3)}
.case .row{display:flex;justify-content:space-between;gap:12px;margin-top:11px;font-size:14px}
.case .row b{font-family:var(--display);font-size:19px;font-weight:600}
@media (max-width:620px){ .cases{grid-template-columns:1fr} }

/* ---------------------------------------------------------------- charts */
svg.chart{display:block;width:100%;height:auto;overflow:visible}
.gl{stroke:var(--rule-soft);stroke-width:1}
.axis{font-size:11px;fill:var(--ink-3);font-family:var(--mono)}
.chartbox{background:var(--panel);border:1px solid var(--rule);border-radius:var(--r);padding:12px 12px 6px;position:relative}
.legend{display:flex;flex-wrap:wrap;align-items:center;gap:9px 22px;margin:14px 2px 0;
  font-size:12.5px;color:var(--ink-2)}
.legend .lg{display:flex;align-items:center;gap:8px}
.legend .dash{width:22px;height:3px;border-radius:2px;flex:none}
.legend .sq{width:10px;height:10px;border-radius:2px;flex:none}
.readout{display:flex;flex-wrap:wrap;gap:4px 16px;align-items:baseline;
  padding:6px 6px 10px;font-size:12.5px;color:var(--ink-3);min-height:30px;font-family:var(--mono)}
.readout .mo{color:var(--ink);font-weight:500;font-size:13px}
.readout b{font-weight:500;color:var(--ink)}

/* ---------------------------------------------------------------- notices */
.banner{border:1px solid var(--warn);background:rgba(224,163,60,.09);color:#f0cf9b;
  border-radius:9px;padding:11px 14px;font-size:13px;margin:16px 0}
.banner.err{border-color:var(--down);background:rgba(239,83,80,.09);color:#f0b5af}
.asof{font-family:var(--mono);font-size:11px;color:var(--ink-3);letter-spacing:.04em}
.live{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);
  font-size:11px;color:var(--ink-3)}
.live .dot{width:7px;height:7px;border-radius:50%;background:var(--up)}
.note{font-size:12.5px;color:var(--ink-2);max-width:74ch;line-height:1.55}

footer.app{margin-top:52px;padding:20px 0 0;border-top:1px solid var(--rule);
  color:var(--ink-3);font-size:12px;line-height:1.6}
footer.app a{color:var(--ink-2)}

/* ---------------------------------------------------------------- responsive */
@media (max-width:900px){ .g4{grid-template-columns:repeat(2,1fr)} }
@media (max-width:760px){ .g3{grid-template-columns:1fr} }
@media (max-width:620px){
  .g2,.g4{grid-template-columns:1fr}
  body{font-size:14.5px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}}

/* linked inputs on the allocation page: target price and spot side by side */
.linked{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.linked .inp label{display:block;font-size:12.5px;color:var(--ink-2);margin-bottom:6px}
.linked .inp input{width:100%}
.drv{font-family:var(--mono);font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-3);border:1px solid var(--rule);border-radius:4px;padding:1px 5px;
  margin-left:5px;vertical-align:1px}
@media (max-width:420px){ .linked{grid-template-columns:1fr} }

/* Ranked bars. Used for the ETH/BTC ratio levels on part one and the
   institutional holders on part six. */
.bars{display:flex;flex-direction:column;gap:9px}
.br{display:grid;grid-template-columns:minmax(120px,1.1fr) 1fr 86px;gap:14px;align-items:center;font-size:13px}
.br .n{color:var(--ink-2)}
.br .t{height:10px;background:var(--rule-soft);border-radius:2px;overflow:hidden}
.br .t>i{display:block;height:100%;border-radius:2px}
.br .v{font-family:var(--mono);font-size:12.5px;font-weight:600;text-align:right;color:var(--ink)}
@media (max-width:620px){ .br{grid-template-columns:1fr;gap:3px}.br .v{text-align:left} }