.bridge-ai__panel {
  width: min(620px, calc(100vw - 32px));
  height: min(760px, calc(100vh - 48px));
  border: 1px solid rgba(33, 22, 15, 0.18);
  border-radius: 18px;
  background:
    radial-gradient(circle at 12% 10%, rgba(96, 127, 130, 0.14), transparent 28%),
    radial-gradient(circle at 88% 18%, rgba(185, 71, 42, 0.1), transparent 24%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.38), transparent 42%),
    var(--paper);
  box-shadow:
    0 24px 80px rgba(63, 43, 24, 0.32),
    inset 0 0 0 1px rgba(255, 255, 255, 0.36);
}

.bridge-ai__header {
  border-bottom: 1px solid rgba(33, 22, 15, 0.12);
  background:
    linear-gradient(90deg, rgba(185, 71, 42, 0.08), transparent 46%),
    rgba(255, 248, 234, 0.42);
}

.bridge-ai__identity strong {
  color: var(--ink);
  font-size: 1.28rem;
  letter-spacing: 0;
}

.bridge-ai__identity span,
.bridge-ai__context-line {
  color: var(--ink-soft);
  letter-spacing: 0;
}

.bridge-ai__mode-status {
  color: #123d35;
  background: rgba(47, 111, 97, 0.2);
  border-color: rgba(47, 111, 97, 0.42);
  font-weight: 700;
}

.bridge-ai__topic {
  border-radius: 8px 8px 4px 4px;
  color: var(--ink);
  background: rgba(255, 248, 234, 0.48);
}

.bridge-ai__topic.is-active {
  color: var(--cinnabar-deep);
  background:
    linear-gradient(180deg, rgba(185, 71, 42, 0.18), rgba(185, 71, 42, 0.08)),
    rgba(255, 248, 234, 0.72);
}

.bridge-ai__send {
  width: 74px;
  min-width: 74px;
  color: #fff8ea;
  background:
    radial-gradient(circle at 35% 25%, rgba(255, 255, 255, 0.16), transparent 28%),
    linear-gradient(180deg, var(--cinnabar), var(--cinnabar-deep));
}