/* One quiet surface, compact controls, and a high-contrast send action. */
body .main-content .textarea-container {
  min-height: 112px;
  border-radius: 24px;
  border: 1px solid rgba(120, 125, 135, .14);
  background: #f7f7f8;
  box-shadow: 0 2px 8px rgba(0,0,0,.025);
}
body.dark-mode .main-content .textarea-container {
  background: #2a2b30;
  border-color: transparent;
  box-shadow: none;
}
body .main-content .textarea-container:focus-within {
  border-color: rgba(120,125,135,.3);
  box-shadow: none;
  transform: none;
}
body .main-content #user-input {
  min-height: 108px;
  max-height: 260px;
  padding: 18px 20px 54px;
  border: 0;
  border-radius: 24px;
  background: transparent;
  box-shadow: none;
  font-size: 15px;
  line-height: 1.6;
}
body .main-content #user-input::placeholder { font-weight: 400; color: var(--conversation-muted); }
body .main-content .input-tools { left: 12px; right: 12px; bottom: 10px; background: transparent; border: 0; box-shadow: none; gap: 6px; }
body .main-content .input-toolbar { right: 96px; bottom: 10px; gap: 5px; background: transparent; }
body .main-content .input-tools .tool-btn,
body .main-content .quick-model-trigger,
body .main-content #deepthink-control .pill-button,
body .main-content #websearch-control .pill-button {
  height: 34px;
  min-height: 34px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--conversation-ink);
  box-shadow: none;
  font-size: 12px;
  font-weight: 500;
  transform: none;
}
body .main-content .input-tools .tool-btn:hover,
body .main-content .quick-model-trigger:hover,
body .main-content #deepthink-control .pill-button:hover,
body .main-content #websearch-control .pill-button:hover { background: var(--conversation-hover); }
body .main-content .quick-model-trigger { min-width: 120px; padding: 0 10px; }
body .main-content .quick-model-trigger span { font-size: 12px; font-weight: 500; color: var(--conversation-ink); }
body .main-content :is(#deepthink-control, #websearch-control) :is(.pill-label,.pill-value,.pill-icon) { color: var(--conversation-muted); }
body .main-content #websearch-control.websearch-active .pill-button,
body .main-content #deepthink-control.deepthink-active .pill-button { background: #e5edf7; color: #285d8b; }
body .main-content #websearch-control.websearch-active :is(.pill-label,.pill-value,.pill-icon),
body .main-content #deepthink-control.deepthink-active :is(.pill-label,.pill-value,.pill-icon) { color: #285d8b; }
body.dark-mode .main-content #websearch-control.websearch-active .pill-button,
body.dark-mode .main-content #deepthink-control.deepthink-active .pill-button { background: #354252; color: #c4dff5; }
body.dark-mode .main-content #websearch-control.websearch-active :is(.pill-label,.pill-value,.pill-icon),
body.dark-mode .main-content #deepthink-control.deepthink-active :is(.pill-label,.pill-value,.pill-icon) { color: #c4dff5; }
body .main-content #send-btn { width: 34px; height: 34px; flex: 0 0 34px; border-radius: 50%; border: 0; background: #242529; color: #ffffff; box-shadow: none; }
body .main-content #send-btn::after { display: none; }
body .main-content #send-btn:hover:not(:disabled) { background: #44464e; transform: none; }
body.dark-mode .main-content #send-btn { background: #f1f1f3; color: #25262b; }
body.dark-mode .main-content #send-btn:hover:not(:disabled) { background: #ffffff; }
body .main-content #send-btn:disabled { background: #d9dbe0; color: #737782; opacity: 1; }
body.dark-mode .main-content #send-btn:disabled { background: #44464f; color: #b8bbc5; }
body .main-content .input-container button:focus-visible { outline: 2px solid #8299bb; outline-offset: 2px; }
@media (max-width: 760px) {
  body .main-content .input-toolbar { left: 58px; right: 94px; gap: 3px; }
  body .main-content .quick-model-trigger { min-width: 0; padding: 0 8px; }
  body .main-content #user-input { padding-inline: 16px; }
}