:root {
  --bg:   #0a0a0b;
  --fg:   #e8e6e3;
  --dim:  #6e6c69;
  --line: #232326;
  --hot:  #d94f36;
  --cool: #4b7f6d;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 14px/1.55 ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  -webkit-font-smoothing: antialiased;
}

body.flash { animation: flash .42s steps(2, end); }
@keyframes flash {
  0%, 100% { background: var(--bg); }
  50%      { background: #2a1512; }
}

main {
  max-width: 620px;
  margin: 0 auto;
  padding: 48px 20px 64px;
}

/* ---- gate ---- */

h1 {
  font-size: clamp(34px, 11vw, 62px);
  letter-spacing: .14em;
  margin: 8vh 0 18px;
  font-weight: 600;
}

.tag { color: var(--dim); margin: 0 0 30px; }

.how {
  list-style: none;
  padding: 0;
  margin: 0 0 34px;
  border-top: 1px solid var(--line);
}
.how li {
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  color: var(--dim);
}
.how strong { color: var(--fg); font-weight: 600; }

button {
  width: 100%;
  padding: 17px;
  font: inherit;
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--bg);
  background: var(--fg);
  border: 0;
  cursor: pointer;
}
button:hover:not(:disabled) { background: #fff; }
button:disabled { background: var(--dim); cursor: default; }

.err  { color: var(--hot); min-height: 1.4em; margin: 14px 0 0; }
.fine { color: var(--dim); font-size: 12px; margin-top: 18px; }

/* ---- live ---- */

header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
  gap: 12px;
  flex-wrap: wrap;
}
.clock { font-size: 17px; letter-spacing: .06em; }
.sync  { font-size: 12px; }
.sync.ok   { color: var(--cool); }
.sync.warn { color: var(--hot); }

.stage { padding: 11vh 0 10vh; text-align: center; }

.since {
  font-size: clamp(52px, 17vw, 96px);
  font-weight: 600;
  letter-spacing: .04em;
  line-height: 1;
  margin: 12px 0 16px;
  font-variant-numeric: tabular-nums;
  color: var(--hot);
}
.status-sub { color: var(--dim); }

.meta {
  border-top: 1px solid var(--line);
  padding-top: 20px;
  margin-bottom: 30px;
}

.k { color: var(--dim); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; }

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 2px;
  margin: 20px 0 0;
  background: var(--line);
  cursor: not-allowed;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--fg);
  cursor: not-allowed;
}
input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border: 0;
  border-radius: 50%;
  background: var(--fg);
  cursor: not-allowed;
}

.volnote {
  color: var(--hot);
  font-size: 12px;
  margin-top: 12px;
  min-height: 1.3em;
  opacity: 0;
  transition: opacity .16s ease;
}
.volnote.show { opacity: 1; }

.logwrap ul { list-style: none; padding: 0; margin: 10px 0 0; }
.logwrap li {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}
.logwrap li.empty { color: var(--dim); justify-content: flex-start; }
.lt { color: var(--dim); }
.ls { color: var(--fg); }

footer {
  color: var(--dim);
  font-size: 12px;
  margin-top: 36px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}