:root {
  --bg: #0b0a10;
  --bg2: #15121e;
  --card: #1c1828;
  --line: #2f2840;
  --text: #ece6f5;
  --muted: #9d93ae;
  --orange: #ff7a1a;
  --orange2: #ffa24d;
  --purple: #8a5cf6;
  --green: #4ade80;
  --red: #f43f5e;
  --yellow: #facc15;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  background: radial-gradient(ellipse at top, #241b35 0%, var(--bg) 60%) fixed, var(--bg);
  color: var(--text);
  font: 16px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
  min-height: 100vh;
}

.wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: max(16px, env(safe-area-inset-top)) 16px max(24px, env(safe-area-inset-bottom));
}
.wrap.narrow { max-width: 420px; }

.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
h1 { font-size: 1.5rem; margin: 0; color: var(--orange); text-shadow: 0 0 18px rgba(255, 122, 26, 0.35); }
h2 { font-size: 1.1rem; margin: 0 0 10px; color: var(--orange2); }
.device { color: var(--muted); font-size: 0.85rem; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
  margin-bottom: 14px;
}
details.card summary { cursor: pointer; font-weight: 600; color: var(--orange2); }
details.card[open] summary { margin-bottom: 10px; }

.state {
  display: inline-block;
  font-weight: 800;
  letter-spacing: 0.08em;
  font-size: 1.6rem;
  padding: 6px 14px;
  border-radius: 12px;
  background: var(--bg2);
  border: 1px solid var(--line);
}
.state-listening { color: var(--green); }
.state-conversing { color: #67e8f9; }
.state-thinking { color: var(--yellow); }
.state-speaking { color: var(--orange); box-shadow: 0 0 24px rgba(255, 122, 26, 0.45); }
.state-cooldown { color: var(--purple); }
.state-error, .state-offline { color: var(--red); }
.state-stopped, .state-starting { color: var(--muted); }

.hint { color: var(--muted); margin: 8px 0; }
.small { font-size: 0.85rem; color: var(--muted); }
.muted { color: var(--muted); }
code { background: var(--bg2); padding: 1px 5px; border-radius: 5px; font-size: 0.85em; word-break: break-all; }

.indicators { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }
.ind {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--bg2); border: 1px solid var(--line); border-radius: 999px;
  padding: 4px 10px; font-size: 0.85rem; color: var(--muted);
}
.ind i { width: 10px; height: 10px; border-radius: 50%; background: #4b4358; display: inline-block; }
.ind.on { color: var(--text); }
.ind.on i { background: var(--green); box-shadow: 0 0 8px var(--green); }
.ind.mic.on i { background: var(--red); box-shadow: 0 0 8px var(--red); animation: pulse 1.6s infinite; }
@keyframes pulse { 50% { opacity: 0.35; } }

.banner { border-radius: 10px; padding: 10px 12px; margin-top: 10px; background: var(--bg2); border: 1px solid var(--line); font-size: 0.9rem; }
.banner.warn { border-color: var(--yellow); color: var(--yellow); }
.banner.error { border-color: var(--red); color: #fda4af; }
.banner.monitor { border-color: var(--red); color: #fecdd3; background: rgba(244, 63, 94, 0.12); }
.error-text { color: #fda4af; min-height: 1.2em; }
[hidden] { display: none !important; }

.btn {
  appearance: none; -webkit-appearance: none;
  border: 1px solid var(--line);
  background: var(--bg2);
  color: var(--text);
  border-radius: 14px;
  padding: 12px 16px;
  font: inherit; font-weight: 600;
  cursor: pointer;
  touch-action: manipulation;
  transition: transform 0.06s ease, background 0.2s;
}
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn.big { min-height: 64px; font-size: 1.05rem; width: 100%; }
.btn.primary { background: linear-gradient(180deg, var(--orange2), var(--orange)); color: #1a0d00; border-color: var(--orange); }
.btn.danger { background: #3b0d18; border-color: var(--red); color: #fecdd3; }
.btn.warn { background: #3a2f06; border-color: var(--yellow); color: #fef08a; }
.btn.active { border-color: var(--yellow); color: var(--yellow); }
.small-btn { padding: 8px 12px; font-size: 0.85rem; }

.controls { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 14px; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 14px; }
.grid .btn { width: 100%; min-height: 56px; }

.row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin: 8px 0; }
.status-card .row { justify-content: space-between; }

label { display: block; margin: 8px 0; color: var(--text); }
label.radio, label.check { display: inline-flex; align-items: center; gap: 6px; }
label.check { display: flex; align-items: flex-start; gap: 8px; font-size: 0.9rem; }
input[type="text"], input[type="password"], input[type="number"], textarea, select {
  width: 100%;
  margin-top: 4px;
  background: var(--bg2);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
  font: inherit;
  font-size: 16px; /* prevents iOS zoom on focus */
}
.row input[type="number"] { width: 100px; }
.row label { margin: 0; }
select { width: auto; flex: 1; min-width: 0; }
textarea { resize: vertical; }
input[type="range"] { width: 100%; accent-color: var(--orange); height: 32px; }
input[type="checkbox"], input[type="radio"] { width: 20px; height: 20px; accent-color: var(--orange); flex: none; }

.stats { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; margin: 8px 0 0; font-size: 0.9rem; }
.stats dt { color: var(--muted); }
.stats dd { margin: 0; overflow-wrap: anywhere; }
.stats dd.warn { color: var(--red); font-weight: 700; }

.cmd-log { list-style: none; margin: 0; padding: 0; font-size: 0.88rem; }
.cmd-log li { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px; padding: 7px 0; border-bottom: 1px solid var(--line); }
.cmd-log li small { flex-basis: 100%; color: #fda4af; }
.badge { border-radius: 999px; padding: 1px 9px; font-size: 0.78rem; font-weight: 700; background: #2a2438; color: var(--muted); }
.badge-received { color: #93c5fd; }
.badge-executing { color: var(--yellow); }
.badge-completed { color: var(--green); }
.badge-failed { color: var(--red); }

.transcript { list-style: none; margin: 10px 0; padding: 0; max-height: 320px; overflow-y: auto; font-size: 0.92rem; }
.transcript li { padding: 6px 8px; border-radius: 8px; margin-bottom: 4px; background: var(--bg2); }
.transcript li.tr-ghost strong { color: var(--orange2); }
.transcript li.tr-visitor strong { color: #93c5fd; }

.log { max-height: 260px; overflow: auto; font-size: 0.72rem; background: #07060b; padding: 8px; border-radius: 8px; white-space: pre-wrap; word-break: break-word; }

.toast {
  position: fixed; left: 50%; bottom: max(16px, env(safe-area-inset-bottom));
  transform: translateX(-50%) translateY(120%);
  background: #26203a; border: 1px solid var(--line); border-radius: 12px;
  padding: 10px 16px; max-width: calc(100% - 32px); opacity: 0;
  transition: transform 0.25s, opacity 0.25s; z-index: 10;
}
.toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }
.toast.error { border-color: var(--red); color: #fecdd3; }

@media (min-width: 560px) {
  .grid { grid-template-columns: 1fr 1fr 1fr; }
}