.simulation-transcript-fab {
  position: fixed;
  right: 28px;
  bottom: 28px;
  z-index: 9998;
  border: 0;
  border-radius: 999px;
  padding: 12px 20px;
  background: var(--navy);
  color: var(--white);
  box-shadow: 0 6px 24px rgba(13, 30, 60, 0.22);
  font: 600 14px/1.2 inherit;
  cursor: pointer;
}

.simulation-transcript-fab:hover,
.simulation-transcript-fab:focus-visible {
  background: var(--cyan);
}

body.simulation-transcript-open {
  overflow: hidden;
}

.simulation-transcript-overlay {
  position: fixed;
  inset: 64px 0 0;
  z-index: 10000;
  overflow-y: auto;
  background: rgba(13, 30, 60, 0.42);
  padding: 24px;
}

.simulation-transcript-panel {
  position: relative;
  width: min(100%, 820px);
  min-height: calc(100vh - 112px);
  min-height: calc(100dvh - 112px);
  margin: 0 auto;
  overflow: hidden;
  border-radius: 20px;
  background: var(--white);
  box-shadow: 0 20px 70px rgba(13, 30, 60, 0.24);
}

.simulation-transcript-header {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 28px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
}

.simulation-transcript-header h2 {
  margin: 0 0 6px;
  color: var(--navy);
  font-size: 24px;
}

.simulation-transcript-header p {
  max-width: 580px;
  margin: 0;
  color: var(--ink-3);
  font-size: 13px;
  line-height: 1.5;
}

.simulation-transcript-close {
  flex: 0 0 auto;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 9px 14px;
  background: var(--white);
  color: var(--navy);
  font: 600 13px/1.2 inherit;
  cursor: pointer;
}

.simulation-transcript-messages {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 30px 28px 56px;
}

.simulation-transcript-message {
  display: flex;
  width: 100%;
}

.simulation-transcript-message--assistant {
  justify-content: flex-start;
}

.simulation-transcript-message--user {
  justify-content: flex-end;
}

.simulation-transcript-message-content {
  max-width: min(82%, 640px);
  border-radius: 16px;
  padding: 12px 16px;
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.55;
}

.simulation-transcript-message-content p {
  margin: 0 0 12px;
  white-space: pre-wrap;
}

.simulation-transcript-message-content p:last-child {
  margin-bottom: 0;
}

.simulation-transcript-message-content strong {
  color: var(--navy);
  font-weight: 700;
}

.simulation-transcript-message-content em {
  font-style: italic;
}

.simulation-transcript-message-content hr {
  width: 100%;
  margin: 14px 0;
  border: 0;
  border-top: 1px solid var(--border);
}

.simulation-transcript-message-content ul {
  margin: 8px 0 16px;
  padding-inline-start: 1.5rem;
}

.simulation-transcript-message-content li {
  margin: 0 0 8px;
  padding-inline-start: 0.25rem;
}

.simulation-transcript-message-content li:last-child {
  margin-bottom: 0;
}

.simulation-transcript-message--assistant .simulation-transcript-message-content {
  border: 0;
  border-bottom-left-radius: 5px;
  background: transparent;
}

.simulation-transcript-message--user .simulation-transcript-message-content {
  max-width: min(78%, 620px);
  border-bottom-right-radius: 5px;
  padding: 16px 20px;
  background: var(--surface-cool-strong);
  color: var(--ink-2);
  line-height: 1.65;
}

.simulation-transcript-loading {
  margin: 40px auto;
  color: var(--ink-3);
}

@media (max-width: 600px) {
  .simulation-transcript-fab {
    right: 16px;
    bottom: calc(16px + env(safe-area-inset-bottom));
  }

  .simulation-transcript-overlay {
    padding: 0;
  }

  .simulation-transcript-panel {
    min-height: calc(100vh - 64px);
    min-height: calc(100dvh - 64px);
    border-radius: 0;
  }

  .simulation-transcript-header {
    padding: 18px 16px;
  }

  .simulation-transcript-header h2 {
    font-size: 20px;
  }

  .simulation-transcript-header p {
    font-size: 12px;
  }

  .simulation-transcript-close {
    padding: 8px 10px;
  }

  .simulation-transcript-messages {
    padding: 24px 14px 48px;
  }

  .simulation-transcript-message-content {
    max-width: 88%;
    font-size: 14px;
  }

  .simulation-transcript-message--user .simulation-transcript-message-content {
    max-width: 92%;
    padding: 14px 16px;
  }
}

@media print {
  .simulation-transcript-fab,
  .simulation-transcript-overlay {
    display: none !important;
  }
}