:root {
  --bg: #0e0f12;
  --bg-2: #15171c;
  --ink: #efe6d2;
  --ink-2: #9a9484;
  --rule: #2a2c33;
  --brass: #c9a45c;
  --clean: #6fb3a4;
  --mid: #d9a441;
  --dirty: #c4553d;
  --display: "Cormorant Garamond", "Iowan Old Style", Georgia, serif;
  --body: "Inter", system-ui, -apple-system, sans-serif;
}
* { box-sizing: border-box; }
html { background: var(--bg); color: var(--ink); font: 400 16px/1.55 var(--body); -webkit-text-size-adjust: 100%; -webkit-tap-highlight-color: transparent; }
body { margin: 0; padding-bottom: env(safe-area-inset-bottom); }
a { color: var(--brass); }
:focus-visible { outline: 2px solid var(--brass); outline-offset: 3px; }
h1, h2 { font-family: var(--display); font-weight: 500; margin: 0; letter-spacing: .005em; line-height: 1.05; }
.num { font-family: var(--display); font-variant-numeric: lining-nums tabular-nums; font-weight: 500; }
.muted { color: var(--ink-2); }
.eyebrow { font-size: .72rem; letter-spacing: .22em; text-transform: uppercase; color: var(--brass); margin: 0 0 10px; }

/* five-line staff, used once as a quiet divider */
.staff { height: 25px; background: repeating-linear-gradient(to bottom, var(--rule) 0 1px, transparent 1px 6px); background-size: 100% 24px; opacity: .9; }

.wrap { max-width: 640px; margin: 0 auto; padding: 0 20px; }

/* ---------- header ---------- */
.top { padding: calc(32px + env(safe-area-inset-top)) 0 20px; text-align: center; }
.top h1 { font-size: clamp(2.6rem, 11vw, 4rem); font-style: italic; }
.top p { margin: 10px auto 0; color: var(--ink-2); max-width: 30ch; font-size: .95rem; }
.live { display: inline-flex; align-items: center; gap: 8px; font-size: .72rem; letter-spacing: .2em; text-transform: uppercase; color: var(--ink-2); margin-top: 16px; }
.live i { width: 7px; height: 7px; border-radius: 50%; background: var(--rule); }
.live.on i { background: var(--brass); animation: breathe 2.4s ease-in-out infinite; }
@keyframes breathe { 50% { opacity: .35; } }

/* ---------- network ---------- */
.netwrap { padding: 8px 0 28px; }
#netviz { display: block; overflow: visible; width: 100%; height: auto; touch-action: pan-y; }
#netviz .edge { stroke: var(--brass); stroke-opacity: .45; stroke-width: 1; fill: none; }
#netviz .edge.fresh { stroke-opacity: 1; stroke-dasharray: 400; stroke-dashoffset: 400; animation: draw 1.2s ease forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
#netviz .dot { fill: var(--bg); stroke: var(--brass); stroke-width: 1.5; }
#netviz .node.me .dot { fill: var(--brass); }
#netviz .node.fresh .dot { animation: pop 1.4s ease-out 2; transform-box: fill-box; transform-origin: center; }
@keyframes pop { 0% { transform: scale(1); } 40% { transform: scale(2.2); } 100% { transform: scale(1); } }
#netviz .nm { font: 500 15px var(--display); fill: var(--ink); }
#netviz .co { font: 400 9.5px var(--body); fill: var(--ink-2); letter-spacing: .04em; }
#netviz .node { cursor: pointer; }
#netviz .node:focus-visible { outline: none; }
#netviz .node:focus-visible .dot { stroke-width: 3; }
#netviz .hit { fill: transparent; }
#netviz .hub-ring { fill: none; stroke: var(--brass); stroke-width: 1.5; }
#netviz .hub-bg { fill: var(--bg-2); }
#netviz .hub-ini { font: italic 500 30px var(--display); fill: var(--brass); text-anchor: middle; dominant-baseline: central; }
#netviz .hub-lbl { font: 500 11px var(--body); letter-spacing: .22em; fill: var(--ink-2); text-anchor: middle; text-transform: uppercase; }
.emptynet { text-align: center; color: var(--ink-2); font-family: var(--display); font-style: italic; font-size: 1.15rem; margin: 6px 0 0; }
.detail { min-height: 4.2em; text-align: center; margin-top: 8px; }
.detail .nm { font: 500 1.5rem var(--display); }
.detail .co { color: var(--ink-2); font-size: .9rem; }

/* ---------- sections ---------- */
section.block { padding: 36px 0; border-top: 1px solid var(--rule); }
section.block h2 { font-size: 1.9rem; margin-bottom: 4px; }
.sub { margin: 0 0 20px; color: var(--ink-2); font-size: .92rem; }

.ledger { margin: 0; padding: 0; list-style: none; }
.ledger li { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--rule); }
.ledger .v { font-size: 2rem; line-height: 1; }
.ledger li.net .v { font-size: 2.6rem; color: var(--brass); }
.ledger .k small { display: block; color: var(--ink-2); font-size: .78rem; }
.badge { display: inline-block; font: 500 .62rem var(--body); letter-spacing: .14em; text-transform: uppercase; padding: 2px 8px; border: 1px solid var(--dirty); color: var(--dirty); margin-left: 10px; vertical-align: middle; }
details { margin-top: 16px; font-size: .9rem; }
summary { cursor: pointer; color: var(--brass); padding: 8px 0; }
details dl { display: grid; grid-template-columns: auto 1fr; gap: 4px 16px; margin: 6px 0 0; }
details dt { color: var(--ink-2); }
details dd { margin: 0; font-variant-numeric: tabular-nums; }

.gridnow { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.gridnow .v { font-size: 3.6rem; line-height: 1; }
.bars { display: flex; align-items: flex-end; gap: 3px; height: 84px; margin: 18px 0 6px; border-bottom: 1px solid var(--ink-2); }
.bars b { flex: 1; min-width: 3px; opacity: .85; }
.bars b.best { opacity: 1; outline: 1px solid var(--ink); outline-offset: 2px; }
.axis { display: flex; justify-content: space-between; color: var(--ink-2); font-size: .75rem; }
.best-line { font: italic 500 1.35rem var(--display); margin: 14px 0 2px; }
.note { font-size: .8rem; color: var(--ink-2); }

footer { padding: 28px 0 40px; text-align: center; color: var(--ink-2); font-size: .75rem; letter-spacing: .08em; }

/* ---------- welcome ---------- */
.welcome { max-width: 480px; margin: 0 auto; padding: calc(36px + env(safe-area-inset-top)) 20px 56px; }
.welcome h1 { font-size: clamp(2.6rem, 12vw, 3.6rem); font-style: italic; margin-bottom: 8px; }
.welcome .lede { color: var(--ink-2); margin: 0 0 26px; }
.panel { border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); padding: 18px 0 16px; margin-bottom: 30px; }
.panel .best-line { margin-top: 6px; }
form { display: grid; gap: 18px; }
form h2 { font-size: 1.8rem; }
form .fine { margin: -8px 0 0; }
label { display: grid; gap: 6px; font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-2); }
label em { font-style: normal; letter-spacing: .04em; text-transform: none; color: var(--ink-2); opacity: .8; }
input { font: 400 16px var(--body); /* 16px stops iOS zooming on focus */ min-height: 50px; padding: 12px 14px; color: var(--ink); background: var(--bg-2); border: 1px solid var(--rule); border-radius: 2px; width: 100%; letter-spacing: normal; text-transform: none; }
input:focus { outline: none; border-color: var(--brass); }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
button { font: 500 .8rem var(--body); letter-spacing: .18em; text-transform: uppercase; min-height: 52px; padding: 0 20px; border: 1px solid var(--brass); background: transparent; color: var(--brass); cursor: pointer; border-radius: 2px; }
button.primary { background: var(--brass); color: var(--bg); }
button.ghost { border-color: transparent; color: var(--ink-2); }
button:disabled { opacity: .5; cursor: default; }
.actions { display: grid; gap: 8px; }
.status { min-height: 1.4em; font-size: .9rem; color: var(--ink-2); }
.status.err { color: var(--dirty); }
.fine { font-size: .82rem; color: var(--ink-2); }

@media (min-width: 700px) {
  .netwrap { padding-bottom: 40px; }
}
@media (prefers-reduced-motion: reduce) {
  .live.on i, #net .node.fresh .dot { animation: none; }
  #net .edge.fresh { animation: none; stroke-dashoffset: 0; }
}