.live-page {
  /* 200 columns / 50 rows, with cells 2.6 times as tall as wide. */
  --demo-cell-aspect: 2.6;
  --demo-window-aspect: calc(4 / var(--demo-cell-aspect));
  --demo-gutter: clamp(12px, 2vw, 32px);
  /* What the frame adds around the screen, across and down. */
  --frame-x: 2px;
  --frame-y: 34px;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: var(--demo-gutter);
}
.live-main {
  width: 100%;
  max-width: min(1600px, calc((100svh - var(--demo-gutter) * 2 - var(--frame-y)) * var(--demo-window-aspect) + var(--frame-x)));
  min-width: 0;
}
.live-demo {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--ink);
  overflow: hidden;
}
/* The frame's bar: the way home, the TUI's own window title, and its size. */
.live-bar {
  display: grid;
  grid-template-columns: 1fr minmax(0, auto) 1fr;
  align-items: center;
  gap: 16px;
  height: 32px;
  padding: 0 8px 0 6px;
  background: var(--ink-hi);
  border-bottom: 1px solid var(--line-soft);
  font: 12.5px/1 var(--mono);
  color: var(--muted);
}
.live-home {
  justify-self: start;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 4px 8px 4px 4px;
  border-radius: 6px;
  color: var(--text);
  font-weight: 600;
  letter-spacing: .02em;
  white-space: nowrap;
}
.live-home img { width: 18px; height: 18px; }
.live-home::before { content: "‹"; margin-right: -1px; color: var(--muted); font-size: 16px; font-weight: 400; transition: transform .15s, color .15s; }
.live-home:hover { color: var(--glow); background: rgba(255, 255, 255, .04); }
.live-home:hover::before { color: var(--accent); transform: translateX(-2px); }
.live-title { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; text-align: center; color: #a9b6c3; user-select: none; }
.live-size { justify-self: end; color: var(--faint); white-space: nowrap; user-select: none; }
.demo-viewport {
  position: relative;
  display: flex;
  aspect-ratio: var(--demo-window-aspect);
  overflow: auto;
  overscroll-behavior: contain;
  background: var(--ink);
}
.demo-viewport canvas {
  display: block;
  flex: none;
  /* Centered, so the part of a cell the grid can't use is split evenly. */
  margin: auto;
  max-width: none;
  touch-action: pan-x pan-y;
  outline: none;
  border-radius: 0;
}
.demo-loading {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--ink);
  color: var(--muted);
  text-align: center;
  font: 13px/1.6 var(--mono);
}
.demo-loading[hidden] { display: none; }
.demo-loading.can-restart { cursor: pointer; }
.demo-loading.can-restart:hover { color: var(--accent); }
.demo-input {
  position: absolute;
  left: 4px;
  top: 4px;
  width: 1px;
  height: 1px;
  opacity: 0;
  padding: 0;
  border: 0;
  font-size: 16px;
}

/* With room for it, the screen sits in the casing of a hardware terminal:
   the way home on its chin, the TUI's own window title, and a power light
   that follows the session. */
@media (min-width: 601px) and (min-height: 501px) {
  .live-page { --frame-x: 30px; --frame-y: 68px; }
  .live-demo {
    padding: 14px 14px 0;
    border: 1px solid #1d2a35;
    border-radius: 18px;
    background: linear-gradient(#17212a, #10181f 60%, #0d141a);
    box-shadow:
      inset 0 1px rgba(255, 255, 255, .07),
      inset 0 -2px 6px rgba(0, 0, 0, .35),
      0 2px 0 #070b0f,
      0 40px 90px -30px rgba(0, 0, 0, .9);
    overflow: visible;
  }
  .demo-viewport {
    order: 1;
    padding: 10px 12px;
    border-radius: 9px;
    box-shadow:
      0 0 0 1px #05080b,
      0 1px 0 1px rgba(255, 255, 255, .05),
      inset 0 0 14px 2px rgba(0, 0, 0, .65);
  }
  .live-bar {
    order: 2;
    grid-template-columns: 1fr minmax(0, auto) 1fr auto;
    height: 52px;
    padding: 0 6px 0 2px;
    background: none;
    border: 0;
  }
  .live-home { color: #93a2b1; letter-spacing: .14em; text-transform: uppercase; font-size: 11.5px; }
  .live-home:hover { color: var(--glow); }
  .live-title { color: var(--faint); }
  .live-bar::after {
    content: "";
    width: 7px; height: 7px; border-radius: 50%;
    background: #2a3743;
    box-shadow: inset 0 1px rgba(0, 0, 0, .4);
    transition: background-color .3s, box-shadow .3s;
  }
  /* Phosphor, not a health colour: it says the terminal is on, not how the network is. */
  .live-demo[aria-busy="true"] .live-bar::after { background: var(--accent-deep); opacity: .6; }
  .live-demo.is-ready .live-bar::after { background: var(--accent); box-shadow: 0 0 8px rgba(94, 234, 212, .7); }
}

/* The sign-in is drawn as a screen of the TUI: a form dialog between a title
   row and a key bar, with the TUI's own palette, field rows and offset shadow. */
.collector-connect {
  --field: #131f28;
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-rows: auto 1fr auto;
  background: var(--ink);
  overflow: auto;
  font: 13px/1.6 var(--mono);
  color: var(--text);
}
.collector-connect[hidden] { display: none; }
.connect-brand, .connect-keys {
  margin: 0;
  padding: 2px 10px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
}
.connect-keys { background: var(--ink-hi); }
.connect-brand b { color: var(--accent); font-weight: 700; letter-spacing: .02em; }
.connect-keys kbd {
  min-width: 0;
  margin: 0 .6ch 0 0;
  padding: 0 .8ch;
  border: 0;
  border-radius: 0;
  background: var(--key);
  color: var(--accent);
  font: inherit;
}
.connect-keys kbd:not(:first-child) { margin-left: 1.6ch; }
.connect-box {
  position: relative;
  align-self: center;
  justify-self: center;
  width: min(100% - 48px, 78ch);
  margin: 36px 0 44px;
  padding: 26px 26px 22px;
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  column-gap: 2ch;
  row-gap: 8px;
  background: var(--panel);
  border: 1px solid #47a19a;
  box-shadow: 16px 20px 0 rgba(0, 0, 0, .5);
}
.connect-box > :not(.connect-field) { grid-column: 1 / -1; }
.connect-box h1 {
  position: absolute;
  top: 0; left: 2ch;
  transform: translateY(-50%);
  margin: 0;
  padding: 0 1ch;
  background: var(--accent);
  color: var(--ink);
  font: 700 13px/1.6 var(--mono);
  letter-spacing: 0;
}
.connect-note { margin: 0 0 14px; color: var(--muted); text-wrap: balance; }
.connect-field { display: contents; }
.connect-field span {
  align-self: center;
  justify-self: end;
  color: var(--muted);
  white-space: nowrap;
}
.connect-field input {
  width: 100%; min-width: 0; height: 32px;
  padding: 0 1ch;
  border: 0; border-radius: 0;
  background: var(--field);
  color: var(--text);
  font: 13px var(--mono);
  caret-color: var(--accent);
  box-shadow: inset 3px 0 transparent;
  transition: background-color .12s, box-shadow .12s;
}
.connect-field input::placeholder { color: var(--faint); }
.connect-field input:focus { outline: none; background: var(--key); color: var(--glow); box-shadow: inset 3px 0 var(--accent); }
.connect-field:focus-within span { color: var(--accent); font-weight: 700; }
.connect-field input:-webkit-autofill { -webkit-text-fill-color: var(--glow); box-shadow: inset 0 0 0 40px var(--key); }
.connect-actions {
  display: flex;
  align-items: flex-start;
  gap: 2ch;
  margin-top: 10px;
}
#collector-error { flex: 1; margin: 4px 0 0; color: var(--warn); text-wrap: pretty; }
#collector-error:not(:empty)::before { content: "▲ "; }
.connect-box button {
  flex: none;
  padding: 4px 2ch;
  border: 0; border-radius: 0;
  background: var(--accent);
  color: var(--ink);
  font: 700 13px/1.6 var(--mono);
  cursor: pointer;
}
.connect-box button:hover { background: #8af3e2; }
.connect-box button:focus-visible { outline: 1px solid var(--glow); outline-offset: 2px; border-radius: 0; }
.connect-box button:disabled { background: var(--key); color: var(--muted); cursor: default; }

@media (max-width: 600px) {
  .live-page { --demo-gutter: 12px; }
  .live-main { max-width: none; }
  .live-bar { grid-template-columns: 1fr auto; }
  .live-title { display: none; }
  .demo-viewport { aspect-ratio: auto; height: calc(100svh - var(--demo-gutter) * 2 - var(--frame-y)); }
  .connect-box { grid-template-columns: minmax(0, 1fr); width: calc(100% - 32px); padding: 24px 18px 18px; box-shadow: 8px 10px 0 rgba(0, 0, 0, .5); }
  .connect-field { display: grid; gap: 4px; }
  .connect-field span { justify-self: start; }
  .connect-field input { height: 44px; font-size: 16px; }
  .connect-actions { flex-direction: column-reverse; align-items: stretch; gap: 8px; }
  .connect-box button { min-height: 44px; }
}
@media (hover: none), (max-width: 600px) { .connect-keys { visibility: hidden; } }
/* A page the TUI is fitted to (a phone's) is its own width and takes every
   touch: a swipe turns a tab or scrolls a list, two fingers pinch the map. */
.live-demo.is-fit .demo-viewport { overflow: hidden; }
.live-demo.is-fit .demo-viewport canvas { touch-action: none; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; }