:root {
  --ground: #16131D;
  --surface: #1E1A27;
  --ink: #F0B48A;
  --mute: #B88E78;
  --line: #3E333A;
  --dim: #5E4A47;
  --font: 'Space Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--ground);
  color: var(--ink);
  font: 14px/1.55 var(--font);
  overflow-x: hidden;
}
a { color: var(--ink); }
a:hover { color: #FFD3B3; }
em { font-style: italic; font-weight: 400; }
[hidden] { display: none !important; }

.grain, .scanlines { position: fixed; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 0; }
.grain { opacity: 0.12; mix-blend-mode: screen; }
.scanlines { background: repeating-linear-gradient(0deg, rgba(0,0,0,.18) 0 1px, transparent 1px 3px); }

.wrap {
  position: relative; z-index: 1;
  max-width: 1080px; margin: 0 auto;
  padding: max(24px, env(safe-area-inset-top)) 16px max(40px, env(safe-area-inset-bottom));
  display: flex; flex-direction: column; gap: 20px;
}

.top { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 16px; }
.eyebrow { margin: 0 0 6px; font-size: 12px; letter-spacing: .14em; color: var(--mute); text-transform: uppercase; }
h1 { margin: 0; font-size: clamp(40px, 11vw, 60px); font-weight: 700; letter-spacing: -.04em; line-height: .95; }
.playing { font-size: 14px; letter-spacing: .1em; font-weight: 400; color: var(--mute); padding-left: 8px; vertical-align: middle; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; font-size: 12px; }
.chip { padding: 8px 12px; border: 1px dashed var(--line); border-radius: 4px; }
.chip.solid { background: var(--ink); color: var(--ground); border-color: var(--ink); font-weight: 700; }
.chip.outline { border: 1px solid var(--ink); }
.chip.dashed { border: 1px dashed var(--ink); }

.banner { margin: 0; padding: 12px 14px; border: 1px dashed var(--ink); border-radius: 6px; font-size: 13px; }

.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: 6px;
  padding: 20px 16px; display: flex; flex-direction: column; gap: 12px;
}
#loops-card { border-color: var(--ink); }
.card-head { border-bottom: 1px dashed var(--line); padding-bottom: 10px; }
h2 { margin: 0; font-size: 18px; font-weight: 700; }
.mute { color: var(--mute); margin: 0; }
.small { font-size: 12px; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 14px; }

.loops { list-style: none; margin: 0; padding: 0; }
.loops li {
  display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 2px 10px;
  padding: 10px 0; border-bottom: 1px dashed var(--line);
}
.loops li:last-child { border-bottom: 0; }
.loops .mark { font-weight: 700; }
.loops .name { font-weight: 700; }
.loops .note { grid-column: 2; color: var(--mute); font-size: 13px; }
@media (min-width: 720px) {
  .loops li { grid-template-columns: 22px 200px minmax(0, 1fr); }
  .loops .note { grid-column: 3; }
}

.systems { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 10px; }
.sys { background: var(--ground); border: 1px solid var(--line); border-radius: 4px; }
.sys.healthy { border-color: var(--ink); }
.sys.blocked { border: 1px dashed var(--ink); }
.sys summary {
  list-style: none; cursor: pointer; padding: 14px; min-height: 44px;
  display: flex; flex-direction: column; gap: 8px;
}
.sys summary::-webkit-details-marker { display: none; }
.sys summary:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
.sys .line1 { display: flex; justify-content: space-between; gap: 8px; font-weight: 700; }
.sys .health { font-weight: 400; font-size: 12px; white-space: nowrap; }
.bars { display: flex; gap: 3px; }
.bars span { flex: 1; height: 6px; border-radius: 1px; background: var(--line); }
.bars span.on { background: var(--ink); }
.sys .gate { font-size: 12px; color: var(--mute); }
.sys dl { margin: 0; padding: 0 14px 14px; display: grid; gap: 6px; font-size: 12px; }
.sys dt { color: var(--mute); }
.sys dd { margin: 0 0 4px; }

.unlock label { font-weight: 700; font-size: 18px; }
.row { display: flex; gap: 8px; flex-wrap: wrap; }
input {
  flex: 1 1 200px; min-height: 48px; padding: 0 12px;
  background: var(--ground); color: var(--ink); border: 1px solid var(--line); border-radius: 4px;
  font: 16px var(--font);
}
input:focus { outline: 2px solid var(--ink); outline-offset: 1px; }
button {
  min-height: 48px; padding: 0 18px; border: 0; border-radius: 4px;
  background: var(--ink); color: var(--ground); font: 700 14px var(--font); cursor: pointer;
}
button:focus-visible { outline: 2px solid #FFD3B3; outline-offset: 2px; }
button:disabled { opacity: .6; cursor: progress; }

.foot { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.foot button { background: transparent; color: var(--ink); border: 1px dashed var(--line); font-weight: 400; }

@media (prefers-reduced-motion: no-preference) {
  .loading .playing { animation: blink 1.2s steps(2) infinite; }
  @keyframes blink { 50% { opacity: .3; } }
}