:root {
  --bg: #1d2119;
  --panel: #282d22;
  --panel-2: #323829;
  --ink: #ece4cf;
  --dim: #a9a58f;
  --line: #444b38;
  --khaki: #c9b98a;
  --signal: #d9a441;
  --live: #7fbf5a;
  --hot: #c8553d;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.45 var(--font); -webkit-tap-highlight-color: transparent; }
body { min-height: 100dvh; padding: env(safe-area-inset-top) 0 calc(64px + env(safe-area-inset-bottom)); }

header { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px 6px; }
.brand { display: flex; gap: 12px; align-items: center; }
.brand img { width: 40px; height: 40px; border-radius: 9px; }
.brand h1 { margin: 0; font-size: 19px; letter-spacing: .04em; text-transform: uppercase; }
.brand p { margin: 0; color: var(--dim); font-size: 13px; }
#mode { font: 600 11px var(--mono); color: var(--signal); border: 1px solid var(--signal); border-radius: 4px; padding: 2px 6px; }
#mode:empty { display: none; }

main { max-width: 560px; margin: 0 auto; padding: 4px 16px 16px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; margin: 12px 0; }
.card.hot { border-color: var(--signal); }
.card.live { border-color: var(--live); }
h2 { margin: 0 0 6px; font-size: 16px; letter-spacing: .03em; }
p { margin: 6px 0; }
.dim { color: var(--dim); }
.small { font-size: 13px; }
.err { color: #ffb4a3; background: #4a2620; border-radius: 8px; padding: 8px 10px; }

button, input { font: inherit; color: inherit; }
button { background: var(--khaki); color: #1d1b12; border: 0; border-radius: 9px; padding: 10px 14px; font-weight: 600; min-height: 44px; cursor: pointer; }
button:disabled { opacity: .5; }
button.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
button.big { width: 100%; font-size: 17px; }
input[type=text], input:not([type]) { flex: 1; min-width: 0; background: var(--bg); border: 1px solid var(--line); border-radius: 9px; padding: 10px 12px; min-height: 44px; }
.row { display: flex; gap: 8px; margin-top: 8px; }
.check { display: flex; align-items: center; gap: 10px; margin-top: 12px; }
.check input { width: 22px; height: 22px; accent-color: var(--live); }

.code { font: 700 40px/1 var(--mono); letter-spacing: .18em; text-align: center; padding: 14px 0; color: var(--signal); cursor: pointer; }

.voicehead { display: flex; align-items: center; gap: 10px; }
.voicehead h2 { margin: 0; }
.lamp { width: 12px; height: 12px; border-radius: 50%; background: #555; flex: none; }
.lamp.live { background: var(--live); box-shadow: 0 0 10px var(--live); }
.lamp.handed { background: var(--signal); }
.ptt { width: 100%; min-height: 96px; margin-top: 10px; font-size: 20px; background: var(--panel-2); color: var(--ink); border: 2px solid var(--line); user-select: none; -webkit-user-select: none; touch-action: none; }
.ptt.on { background: var(--live); color: #10200a; border-color: var(--live); }
.meter { height: 6px; border-radius: 3px; background: var(--bg); margin-top: 10px; overflow: hidden; }
#meter { height: 100%; background: var(--live); transform-origin: left; transform: scaleX(0); transition: transform 60ms linear; }

.segs { display: flex; gap: 6px; margin-top: 10px; }
.seg { flex: 1; background: transparent; color: var(--ink); border: 1px solid var(--line); font-weight: 500; }
.seg.on { background: var(--panel-2); border-color: var(--khaki); color: var(--khaki); }

.people { list-style: none; margin: 0; padding: 0; }
.people li { padding: 8px 0; border-top: 1px solid var(--line); }
.people li:first-child { border-top: 0; }
.badge { display: inline-block; font-size: 12px; border: 1px solid var(--line); border-radius: 99px; padding: 1px 8px; margin: 4px 6px 0 0; color: var(--dim); }
.badge.ok { color: var(--live); border-color: var(--live); }
.badge.ready { color: var(--khaki); border-color: var(--khaki); }
.badge.hot { color: var(--signal); border-color: var(--signal); }

.qr { background: #f4efe0; border-radius: 10px; padding: 10px; margin-top: 12px; max-width: 260px; }
.qr svg { display: block; width: 100%; height: auto; }

dl { margin: 0; }
dt { font-weight: 600; margin-top: 10px; }
dd { margin: 2px 0 0; color: var(--dim); }

#toasts { position: fixed; left: 16px; right: 16px; bottom: calc(76px + env(safe-area-inset-bottom)); display: flex; flex-direction: column; gap: 6px; align-items: center; pointer-events: none; }
.toast { background: var(--ink); color: var(--bg); border-radius: 99px; padding: 8px 14px; font-size: 14px; font-weight: 600; max-width: 100%; }

nav { position: fixed; left: 0; right: 0; bottom: 0; display: flex; background: var(--panel); border-top: 1px solid var(--line); padding-bottom: env(safe-area-inset-bottom); }
nav button { flex: 1; background: transparent; color: var(--dim); border-radius: 0; font-weight: 600; min-height: 56px; }
nav button.on { color: var(--khaki); box-shadow: inset 0 2px 0 var(--khaki); }

.card.demo { border-style: dashed; border-color: var(--signal); }
.demobtns { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 8px; }
.demobtns button { font-size: 14px; min-height: 44px; padding: 8px 10px; }
.who { display: flex; align-items: center; gap: 8px; }
.who button.tiny { margin-left: auto; min-height: 32px; padding: 4px 10px; font-size: 13px; }