:root {
  --bg: #0b0b0c;
  --bg-elev: #121214;
  --bg-hover: #1a1a1d;
  --line: rgba(255,255,255,.08);
  --text: #ececec;
  --muted: #8b8b90;
  --faint: #5c5c62;
  --accent: #e8e8ea;
  --ok: #7dcea0;
  --warn: #e6c07b;
  --bad: #e07a7a;
  --radius: 14px;
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-t: env(safe-area-inset-top, 0px);
}
* { box-sizing: border-box; }
html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  letter-spacing: -0.011em;
  -webkit-font-smoothing: antialiased;
}
button, input, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
#app {
  height: 100%;
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding-top: var(--safe-t);
}
.top {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  background: rgba(11,11,12,.86);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 5;
}
.brand {
  font-weight: 600;
  letter-spacing: -0.03em;
  font-size: 15px;
}
.chips { display: flex; gap: 6px; flex: 1; overflow-x: auto; scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }
.chip {
  flex: 0 0 auto;
  display: flex; align-items: center; gap: 6px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 12px;
  color: var(--muted);
}
.dot { width: 6px; height: 6px; border-radius: 50%; background: var(--faint); }
.dot.on { background: var(--ok); }
.dot.off { background: var(--bad); }
.dot.wait { background: var(--warn); }
.iconbtn {
  width: 34px; height: 34px;
  border: 1px solid var(--line);
  background: transparent;
  border-radius: 10px;
  color: var(--muted);
}
.iconbtn:hover { background: var(--bg-hover); color: var(--text); }

.stream {
  overflow-y: auto;
  padding: 18px 16px 12px;
}
.msg {
  max-width: 720px;
  margin: 0 auto 22px;
}
.who {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--faint);
  margin-bottom: 6px;
}
.bubble { white-space: pre-wrap; word-break: break-word; }
.tool {
  margin: 8px 0;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--muted);
  font-size: 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.media-row { display: grid; gap: 10px; margin-top: 10px; }
.media-row img, .media-row video {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #000;
  max-height: 70vh;
  object-fit: contain;
}
.err { color: var(--bad); }

.composer {
  border-top: 1px solid var(--line);
  padding: 10px 12px calc(10px + var(--safe-b));
  background: var(--bg);
}
.box {
  max-width: 720px;
  margin: 0 auto;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 8px 8px 8px 12px;
}
.box textarea {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  resize: none;
  min-height: 44px;
  max-height: 160px;
}
.row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
}
.grow { flex: 1; }
.ghost, .primary, .danger {
  border-radius: 10px;
  border: 1px solid var(--line);
  padding: 7px 11px;
  background: transparent;
  color: var(--muted);
}
.primary { background: var(--text); color: #111; border-color: transparent; font-weight: 600; }
.primary:disabled { opacity: .4; }
.danger { color: var(--bad); }
.thumbs { display: flex; gap: 6px; flex-wrap: wrap; }
.thumbs img { width: 44px; height: 44px; object-fit: cover; border-radius: 8px; }

.overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.55);
  display: flex; align-items: flex-end;
  z-index: 20;
}
.sheet {
  width: 100%;
  max-height: 88vh;
  background: #161618;
  border-top: 1px solid var(--line);
  border-radius: 18px 18px 0 0;
  padding: 14px 14px calc(16px + var(--safe-b));
  overflow: auto;
}
.sheet h2 { font-size: 16px; margin: 0 0 12px; font-weight: 600; }
.field { margin-bottom: 12px; }
.field label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; }
.field input, .search {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  outline: none;
}
.models { max-height: 40vh; overflow: auto; }
.model {
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
  display: flex; justify-content: space-between; gap: 8px;
}
.model small { color: var(--faint); }
.inst {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.hidden { display: none !important; }
.login {
  height: 100%;
  display: flex; flex-direction: column; justify-content: center;
  padding: 32px 24px;
  max-width: 360px; margin: 0 auto;
}
.login h1 { font-weight: 600; letter-spacing: -.04em; margin-bottom: 8px; }
.login p { color: var(--muted); margin-top: 0; }
.empty {
  color: var(--muted);
  text-align: center;
  padding: 20vh 24px 0;
  max-width: 420px;
  margin: 0 auto;
}
.empty h2 { color: var(--text); font-weight: 560; letter-spacing: -.03em; }
.muted { color: var(--muted); }