:root {
  --bg: #0e1013;
  --panel: #15181d;
  --panel-2: #1b1f26;
  --rule: #262b33;
  --ink: #e7eaef;
  --ink-2: #a3acba;
  --ink-3: #6d7787;
  --voice: #7cc4ff;
  --visual: #ffb86b;
  --good: #6ee7a8;
  --bad: #ff8080;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: ui-sans-serif, -apple-system, "Segoe UI", Inter, system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

code, pre, .mono { font-family: var(--mono); }
h1, h2, h3 { font-weight: 600; letter-spacing: -0.01em; }
button { font: inherit; color: inherit; }

/* ------------------------------------------------------------------ shell */

.app {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(320px, 1.1fr) minmax(340px, 1.3fr);
  gap: 1px;
  background: var(--rule);
  height: 100vh;
}
.col { background: var(--bg); overflow-y: auto; padding: 18px 20px 28px; min-width: 0; }

.col > header {
  position: sticky; top: 0; z-index: 2;
  background: var(--bg);
  margin: -18px -20px 14px; padding: 16px 20px 10px;
  border-bottom: 1px solid var(--rule);
}
.col > header h2 {
  margin: 0; font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3); font-weight: 500;
}
.col > header p { margin: 5px 0 0; font-size: 12.5px; color: var(--ink-3); line-height: 1.45; }

@media (max-width: 1000px) {
  .app { grid-template-columns: 1fr; height: auto; }
  .col { max-height: none; }
}

/* ---------------------------------------------------------------- controls */

.controls { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 14px; }

.hint { margin: -8px 0 16px; font-size: 12px; line-height: 1.55; color: var(--ink-3); }
.hint a { color: var(--voice); }

.setup {
  border: 1px solid var(--rule); border-radius: 10px;
  padding: 12px 13px 4px; margin-bottom: 16px; background: var(--panel);
}
.setup h3 {
  margin: 0 0 10px; font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.11em; text-transform: uppercase; color: var(--ink-3); font-weight: 500;
}
.setup .controls { margin-bottom: 8px; }
.setup .hint { margin: 2px 0 10px; }
select.field { cursor: pointer; }
.file { cursor: pointer; white-space: nowrap; }

.btn {
  border: 1px solid var(--rule); background: var(--panel-2);
  border-radius: 8px; padding: 8px 14px; cursor: pointer;
  transition: border-color 0.12s ease, background 0.12s ease;
}
.btn:hover:not(:disabled) { border-color: var(--voice); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn.primary { background: var(--voice); color: #06121d; border-color: var(--voice); font-weight: 600; }
.btn.live { background: #3a1720; border-color: var(--bad); color: var(--bad); }

.field {
  flex: 1 1 190px; min-width: 0;
  background: var(--panel); border: 1px solid var(--rule); color: var(--ink);
  border-radius: 8px; padding: 8px 11px; font-family: var(--mono); font-size: 12.5px;
}
.field:focus { outline: none; border-color: var(--voice); }

.status {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 11.5px; color: var(--ink-3);
  margin-bottom: 14px; min-height: 18px;
}
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ink-3); flex: none; }
.dot.on { background: var(--good); box-shadow: 0 0 0 3px rgba(110, 231, 168, 0.15); }
.dot.err { background: var(--bad); }
.dot.busy { background: var(--visual); animation: pulse 1s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: 0.3; } }

.meter { flex: 1; height: 3px; background: var(--rule); border-radius: 2px; overflow: hidden; max-width: 90px; }
.meter i { display: block; height: 100%; width: 0; background: var(--voice); transition: width 0.08s linear; }

.notice {
  border: 1px solid var(--rule); border-left: 2px solid var(--visual);
  background: var(--panel); border-radius: 6px;
  padding: 9px 12px; font-size: 12.5px; color: var(--ink-2); margin-bottom: 14px;
}
.notice.bad { border-left-color: var(--bad); color: var(--bad); }

/* ---------------------------------------------------------------- dialogue */

.turns { display: flex; flex-direction: column; gap: 10px; }
.turn { padding: 10px 12px; border-radius: 9px; border: 1px solid var(--rule); background: var(--panel); }
.turn .who {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--ink-3); display: block; margin-bottom: 4px;
}
.turn.user { border-left: 2px solid var(--good); }
.turn.model { border-left: 2px solid var(--voice); }
.turn.system { border-left: 2px solid var(--visual); color: var(--ink-2); font-size: 13px; }
.turn p { margin: 0; }

/* ------------------------------------------------------------------ screen */

.screen { display: flex; flex-direction: column; gap: 12px; }
.empty { color: var(--ink-3); font-size: 13.5px; font-style: italic; }

.c { position: relative; }
.c .text { margin: 0; }
.c-heading .text { font-size: 17px; font-weight: 600; }
.c-status .text { font-size: 12.5px; color: var(--ink-3); font-family: var(--mono); }

.marker {
  display: inline-block; margin-bottom: 6px; margin-right: 6px;
  font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.09em; text-transform: uppercase;
  padding: 2px 7px; border-radius: 20px; border: 1px solid var(--rule); color: var(--ink-3);
}
.m-screen { color: var(--visual); border-color: color-mix(in srgb, var(--visual) 40%, transparent); }
.m-never { color: var(--bad); border-color: color-mix(in srgb, var(--bad) 40%, transparent); }
.m-readback { color: var(--good); border-color: color-mix(in srgb, var(--good) 40%, transparent); }

.items { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }

.item {
  display: grid; grid-template-columns: 22px 1fr; gap: 3px 10px;
  width: 100%; text-align: left; cursor: pointer;
  background: var(--panel); border: 1px solid var(--rule); border-radius: 10px;
  padding: 11px 13px;
  transition: border-color 0.12s ease, background 0.12s ease;
}
div.item { cursor: default; }
.item:hover { border-color: var(--voice); }
.item.is-selected { border-color: var(--voice); background: color-mix(in srgb, var(--voice) 10%, var(--panel)); }
.item .n {
  grid-row: span 2; font-family: var(--mono); font-size: 12px; color: var(--ink-3);
  border: 1px solid var(--rule); border-radius: 6px; text-align: center; line-height: 20px; height: 22px;
}
.item.is-selected .n { color: var(--voice); border-color: var(--voice); }
.item .lead { font-weight: 600; font-size: 14.5px; }
.item .rest { font-size: 12.5px; color: var(--ink-2); font-family: var(--mono); }
.item.is-private .rest, .item.is-private .lead { font-family: var(--mono); }

.panel { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 4px 14px;
  background: var(--panel); border: 1px solid var(--rule); border-radius: 10px; padding: 12px 14px; }
.panel dt { font-family: var(--mono); font-size: 11px; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--ink-3); align-self: center; }
.panel dd { margin: 0; font-size: 14px; }
.commit { margin-top: 9px; width: 100%; border: 1px solid var(--good); border-radius: 8px;
  background: color-mix(in srgb, var(--good) 12%, transparent); color: var(--good);
  padding: 9px; cursor: pointer; font-weight: 600; }

/* -------------------------------------------------------------------- wire */

.hop { border: 1px solid var(--rule); border-radius: 9px; margin-bottom: 10px; overflow: hidden; background: var(--panel); }
.hop > h3 {
  margin: 0; padding: 7px 11px; font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.09em; text-transform: uppercase; font-weight: 500;
  display: flex; justify-content: space-between; gap: 10px; align-items: baseline;
  border-bottom: 1px solid var(--rule); color: var(--ink-3);
}
.hop > h3 .tag { color: var(--ink-3); font-size: 10px; letter-spacing: 0.04em; text-transform: none; }
.hop-express > h3 { color: var(--visual); }
.hop-a2ui > h3 { color: var(--voice); }
.hop-brief > h3 { color: var(--good); }
.hop-reject > h3 { color: var(--bad); }
.hop-action > h3 { color: var(--good); }
.hop-setup > h3 { color: var(--ink-2); }
.hop-setup { border-color: var(--ink-3); }
.hop-describe > h3 { color: var(--visual); }

.hop pre {
  margin: 0; padding: 10px 11px; font-size: 11.5px; line-height: 1.5;
  overflow-x: auto; white-space: pre; color: var(--ink-2); max-height: 340px;
}
.hop ul { margin: 0; padding: 9px 11px 10px 26px; font-size: 12.5px; color: var(--ink-2); }
.hop li { margin-bottom: 4px; }
.hop li:last-child { margin-bottom: 0; }

.ratio {
  display: flex; gap: 10px; align-items: baseline;
  font-family: var(--mono); font-size: 11px; color: var(--ink-3);
  padding: 7px 11px; border-top: 1px solid var(--rule);
}
.ratio b { color: var(--visual); font-weight: 600; }
.ratio i { font-style: normal; color: var(--voice); }