/* Muse pro Meta Ray-Ban Display — 600×600, tmavé, velké písmo.
   Displej brýlí je malý a čte se na vzdálenost paže: žádné drobné texty,
   vysoký kontrast, velké dotykové/gestové cíle pro Neural Band. */

:root {
  --bg: #000;
  --panel: #111418;
  --panel-2: #1a1f26;
  --text: #fff;
  --muted: #b8c0cc;
  --accent: #4da3ff;
  --me: #123a6b;
  --muse: #1e2b1e;
  --warn: #6b5510;
  --danger: #7a1f1f;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  width: 600px;
  height: 600px;
  max-width: 100vw;
  max-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 26px;
  line-height: 1.35;
  overflow: hidden;
}

#app {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  padding: 16px;
  gap: 12px;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand { font-size: 34px; font-weight: 700; }

.status {
  font-size: 20px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--panel-2);
  color: var(--muted);
  white-space: nowrap;
}
.status-ok { color: #9fe8a9; }
.status-checking { color: var(--muted); }
.status-down { color: #ffb3b3; background: var(--danger); }

#conversation {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 4px;
}

.bubble {
  max-width: 92%;
  padding: 14px 16px;
  border-radius: 18px;
  background: var(--panel);
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}
.bubble-me { align-self: flex-end; background: var(--me); }
.bubble-muse { align-self: flex-start; background: var(--muse); }
.bubble-system { align-self: flex-start; color: var(--muted); }
.bubble-waiting { align-self: flex-start; background: var(--warn); color: #ffe9a8; }
.bubble-pending { opacity: 0.65; }
.bubble .who { display: block; font-size: 19px; color: var(--muted); margin-bottom: 4px; }

#composer { display: flex; gap: 10px; }

#input {
  flex: 1;
  font: inherit;
  font-size: 26px;
  color: var(--text);
  background: var(--panel-2);
  border: 2px solid var(--accent);
  border-radius: 14px;
  padding: 12px;
  resize: none;
  min-height: 72px;
}

#send {
  font: inherit;
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  background: var(--accent);
  border: 0;
  border-radius: 14px;
  padding: 12px 20px;
  min-width: 140px;
  min-height: 72px;
  cursor: pointer;
}
#send:disabled { opacity: 0.5; cursor: default; }

footer { font-size: 20px; }
footer button {
  font: inherit;
  font-size: 20px;
  color: var(--accent);
  background: none;
  border: 0;
  padding: 8px 0;
  cursor: pointer;
}
#settings input {
  width: 100%;
  font: inherit;
  font-size: 22px;
  margin: 8px 0;
  padding: 10px;
  border-radius: 10px;
  border: 1px solid var(--muted);
  background: var(--panel-2);
  color: var(--text);
}
.hint { color: var(--muted); font-size: 19px; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}

:focus-visible { outline: 4px solid var(--accent); outline-offset: 2px; }