:root {
  --bg: #0e1115;
  --fg: #e8e8e8;
  --muted: #9aa3ad;
  --card: #161a20;
  --accent: #4f9dff;
  --accent-2: #7ad1c1;
  --danger: #ef5d5d;
  --warn: #f0b34a;
  --ok: #54c180;
  --border: #232932;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Inter", sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 24px 16px 80px;
}

header { margin-bottom: 24px; }
.brand {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--muted);
  text-transform: uppercase;
}
header h1 {
  margin: 6px 0 4px;
  font-size: 26px;
  letter-spacing: -0.01em;
}
.sub { color: var(--muted); margin: 0; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 18px 20px;
  margin-bottom: 16px;
}
.card-h {
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--muted);
  margin-bottom: 10px;
  text-transform: uppercase;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 14px;
  margin-bottom: 14px;
  border: 1px solid var(--border);
}
.status::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--muted);
}
.status.idle::before { background: var(--muted); }
.status.connecting::before { background: var(--warn); animation: pulse 1.2s infinite; }
.status.connected::before { background: var(--ok); animation: pulse 2s infinite; }
.status.error::before { background: var(--danger); }
@keyframes pulse {
  0% { opacity: 1; } 50% { opacity: 0.3; } 100% { opacity: 1; }
}

.controls { display: flex; gap: 10px; flex-wrap: wrap; }
.btn {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--fg);
  padding: 10px 18px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.12s ease;
}
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover:not(:disabled) { filter: brightness(1.08); }
.btn.danger { border-color: var(--danger); color: var(--danger); }
.btn.danger:hover:not(:disabled) { background: var(--danger); color: #fff; }
.btn.ghost:hover:not(:disabled) { border-color: var(--accent-2); color: var(--accent-2); }

.hints {
  list-style: none;
  padding: 0;
  margin: 0 0 14px 0;
}
.hints li {
  padding: 6px 0;
  font-size: 14px;
  color: var(--fg);
  border-bottom: 1px dashed var(--border);
}
.hints li:last-child { border-bottom: none; }
.hints b { color: var(--accent-2); font-weight: 600; }

.log {
  max-height: 360px;
  overflow-y: auto;
  font-size: 14px;
  padding: 8px 4px;
}
.log .row {
  margin: 6px 0;
  padding: 8px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  white-space: pre-wrap;
  word-break: break-word;
}
.log .row.user { border-left: 3px solid var(--accent); }
.log .row.assistant { border-left: 3px solid var(--accent-2); }
.log .row.tool { border-left: 3px solid var(--warn); color: var(--muted); font-family: ui-monospace, monospace; font-size: 12.5px; }
.log .row.system { border-left: 3px solid var(--muted); color: var(--muted); font-size: 12.5px; }
.log .who {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 2px;
}

/* ── Тестер: блок и модалка ────────────────────────────────────────────── */
.tester {
  background: rgba(79, 157, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  margin-bottom: 14px;
  font-size: 13px;
}
.tester-h {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 4px;
}
.tester-row {
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: space-between;
}
#testerWho { color: var(--fg); font-weight: 500; }
.tester-hint { color: var(--muted); font-size: 11.5px; margin-top: 6px; }
.btn-sm { padding: 4px 10px; font-size: 12px; }

.modal {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--card);
  color: var(--fg);
  padding: 20px;
  max-width: 460px;
  width: calc(100% - 32px);
}
.modal::backdrop { background: rgba(0, 0, 0, 0.55); }
.modal h3 { margin: 0 0 4px; font-size: 18px; }
.modal-sub { margin: 0 0 14px; color: var(--muted); font-size: 13px; }
.modal label {
  display: block;
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--muted);
}
.modal input {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--fg);
  font: inherit;
}
.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 6px;
}