:root {
  --bg-dark: #070707;
  --bg-elev: #0e0e0e;
  --bg-line: #141414;
  --bg-panel: #0e0e0e;
  --border: #2a1d12;
  --border-bright: #4a2f15;
  --accent: #ff7a00;
  --gold: #ffb347;
  --good: #8fd694;
  --bad: #ff5a5a;
  --accent-soft: rgba(255, 122, 0, 0.10);
  --accent-glow: 0 0 6px rgba(255, 122, 0, 0.18);
  --text-main: #e8e8e8;
  --text-fade: #8a8a8a;
  --font-console: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --font-voice: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* Light mode (secondary — Brian runs dark) */
body {
  --bg-dark: #f5f3ef;
  --bg-elev: #ffffff;
  --bg-line: #ece8e1;
  --bg-panel: #ffffff;
  --border: #e2dacb;
  --border-bright: #c9a87a;
  --accent: #c75e00;
  --gold: #b8791f;
  --good: #3f9a52;
  --bad: #c0392b;
  --accent-soft: rgba(199, 94, 0, 0.08);
  --accent-glow: none;
  --text-main: #1a1a1a;
  --text-fade: #6a6a6a;
  --text: var(--text-main);   /* alias: some rules reference var(--text) */
}

/* Dark mode (primary — RTO warm low-glow) */
body.dark {
  --bg-dark: #070707;
  --bg-elev: #0e0e0e;
  --bg-line: #141414;
  --bg-panel: #0e0e0e;
  --border: #2a1d12;
  --border-bright: #4a2f15;
  --accent: #ff7a00;
  --gold: #ffb347;
  --good: #8fd694;
  --bad: #ff5a5a;
  --accent-soft: rgba(255, 122, 0, 0.10);
  --accent-glow: 0 0 6px rgba(255, 122, 0, 0.18);
  --text-main: #e8e8e8;
  --text-fade: #8a8a8a;
}

html {
  overscroll-behavior: none;
}

body {
  margin: 0;
  background: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-console);
  height: 100vh;        /* fallback for old browsers */
  height: 100dvh;
  display: flex;
  justify-content: center;
  align-items: center;
  overscroll-behavior: none;
  -webkit-tap-highlight-color: transparent;
}

#chat {
  width: 95%;
  max-width: 900px;
  height: 95vh;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: none;
  background: var(--bg-dark);
  overflow: hidden;
}

/* Header sections */
#model-select, #session-select, #status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  background-color: var(--bg-elev);
}
#status {
  justify-content: flex-start;
  border-top: 1px solid var(--border);
}

label, select, button {
  font-family: var(--font-console);
  font-size: 0.9rem;
  color: var(--text-main);
  background: var(--bg-line);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 9px;
  transition: border-color .15s, background-color .15s;
}
label { background: transparent; border-color: transparent; padding-left: 0; }

button:hover, select:hover {
  border-color: var(--border-bright);
  background: var(--accent-soft);
  cursor: pointer;
}

#thinkingStreamBtn {
  background: var(--bg-line);
  border-color: var(--border-bright);
  color: var(--gold);
}

#thinkingStreamBtn:hover {
  background: var(--accent-soft);
  border-color: var(--gold);
}

/* Chat area */
#messages {
  flex: 1;
  min-height: 0;
  padding: 16px;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  display: flex;
  flex-direction: column;
  gap: 8px;
  scroll-behavior: smooth;
}

/* Messages */
.msg {
  max-width: 80%;
  padding: 10px 14px;
  border-radius: 12px;
  line-height: 1.4;
  word-wrap: break-word;
  box-shadow: none;
}
.msg.user {
  align-self: flex-end;
  background: var(--accent-soft);
  border: 1px solid var(--border-bright);
  border-bottom-right-radius: 4px;
}
.msg.assistant {
  align-self: flex-start;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}
.msg.system {
  align-self: center;
  font-size: 0.78rem;
  color: var(--text-fade);
  text-align: center;
  padding: 4px 10px;
}

/* Input bar */
#input {
  display: flex;
  border-top: 1px solid var(--border);
  background: var(--bg-elev);
  padding: 10px;
}
#userInput {
  flex: 1;
  background: var(--bg-line);
  color: var(--text-main);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 12px;
  font-family: var(--font-console);
  transition: border-color .15s, box-shadow .15s;
}
#userInput::placeholder { color: var(--text-fade); }
#userInput:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: var(--accent-glow);
}
#sendBtn {
  margin-left: 8px;
  background: var(--accent);
  color: #0a0a0a;
  border-color: var(--accent);
  font-weight: 600;
}
#sendBtn:hover { background: var(--gold); border-color: var(--gold); }
#sendBtn:disabled { opacity: .45; background: var(--bg-line); color: var(--text-fade); border-color: var(--border); }

/* Relay status dot */
#status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-console);
  font-size: 0.82rem;
  color: var(--text-fade);
}

#status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  display: inline-block;
  background: var(--text-fade);
}

@keyframes pulseGreen {
  0% { box-shadow: 0 0 5px #8fd694; opacity: 0.9; }
  50% { box-shadow: 0 0 10px #8fd694; opacity: 1; }
  100% { box-shadow: 0 0 5px #8fd694; opacity: 0.9; }
}

.dot.ok {
  background: var(--good);
  animation: pulseGreen 2s infinite ease-in-out;
}

/* Offline state stays solid red */
.dot.fail {
  background: var(--bad);
  box-shadow: 0 0 8px rgba(255, 90, 90, 0.5);
}


/* Dropdown (session selector) styling */
select {
  background-color: var(--bg-line);
  color: var(--text-main);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 8px;
  font-size: 14px;
}

select option {
  background-color: var(--bg-elev);
  color: var(--text-main);
}

/* Hover/focus for better visibility */
select:focus,
select:hover {
  outline: none;
  border-color: var(--accent);
  background-color: var(--bg-line);
}

/* Settings Modal */
.modal {
  display: none !important;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
}

.modal.show {
  display: block !important;
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
  z-index: 999;
}

.modal-content {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
  min-width: 400px;
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
  z-index: 1001;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-line);
}

.modal-header h3 {
  margin: 0;
  font-size: 1.2rem;
  color: var(--accent);
}

.close-btn {
  background: transparent;
  border: none;
  color: var(--accent);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
}

.close-btn:hover {
  background: var(--accent-soft);
  color: var(--accent);
}

.modal-body {
  padding: 20px;
}

.settings-section h4 {
  margin: 0 0 8px 0;
  color: var(--accent);
  font-size: 1rem;
}

.settings-desc {
  margin: 0 0 16px 0;
  color: var(--text-fade);
  font-size: 0.85rem;
}

.radio-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.radio-label {
  display: flex;
  flex-direction: column;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-line);
  cursor: pointer;
  transition: border-color 0.15s, background-color 0.15s;
}

.radio-label:hover {
  border-color: var(--border-bright);
  background: var(--accent-soft);
}

.radio-label input[type="radio"] {
  margin-right: 8px;
  accent-color: var(--accent);
}

.radio-label span {
  font-weight: 500;
  margin-bottom: 4px;
}

.radio-label small {
  color: var(--text-fade);
  font-size: 0.8rem;
  margin-left: 24px;
}

.radio-label input[type="text"] {
  margin-top: 8px;
  margin-left: 24px;
  padding: 6px;
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(255,122,0,0.5);
  border-radius: 4px;
  color: var(--text-main);
  font-family: var(--font-console);
}

.radio-label input[type="text"]:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 8px rgba(255,122,0,0.3);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  background: var(--bg-line);
}

.primary-btn {
  background: var(--accent);
  color: #0a0a0a;
  font-weight: 600;
  border-color: var(--accent);
}

.primary-btn:hover {
  background: var(--gold);
  border-color: var(--gold);
}

/* Session List */
.session-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 300px;
  overflow-y: auto;
}

.session-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-line);
  transition: border-color 0.15s, background-color 0.15s;
}

.session-item:hover {
  border-color: var(--border-bright);
  background: var(--accent-soft);
}

.session-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.session-info strong {
  color: var(--text-main);
  font-size: 0.95rem;
}

.session-info small {
  color: var(--text-fade);
  font-size: 0.75rem;
}

.session-delete-btn {
  background: transparent;
  border: 1px solid rgba(255,122,0,0.5);
  color: var(--accent);
  padding: 6px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1rem;
  transition: all 0.2s;
}

.session-delete-btn:hover {
  background: rgba(255,0,0,0.2);
  border-color: #ff3333;
  color: #ff3333;
  box-shadow: 0 0 8px rgba(255,0,0,0.3);
}

/* Thinking Stream Panel */
.thinking-panel {
  border-top: 1px solid var(--border);
  background: var(--bg-dark);
  display: flex;
  flex-direction: column;
  transition: max-height 0.3s ease;
  max-height: 300px;
}

.thinking-panel.collapsed {
  max-height: 40px;
}

.thinking-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  background: var(--bg-elev);
  cursor: pointer;
  user-select: none;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
  font-weight: 500;
}

.thinking-header:hover {
  background: var(--accent-soft);
}

.thinking-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.thinking-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #666;
  display: inline-block;
}

.thinking-status-dot.connected {
  background: #8fd694;
  box-shadow: 0 0 8px #8fd694;
}

.thinking-status-dot.disconnected {
  background: #ff3333;
}

.thinking-clear-btn,
.thinking-toggle-btn {
  background: var(--bg-line);
  border: 1px solid var(--border);
  color: var(--text-main);
  padding: 4px 8px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
}

.thinking-clear-btn:hover,
.thinking-toggle-btn:hover {
  background: var(--accent-soft);
  border-color: var(--border-bright);
}

.thinking-toggle-btn {
  transition: transform 0.3s ease;
}

.thinking-panel.collapsed .thinking-toggle-btn {
  transform: rotate(-90deg);
}

.thinking-content {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 0;
}

.thinking-panel.collapsed .thinking-content {
  display: none;
}

.thinking-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-fade);
  font-size: 0.85rem;
}

.thinking-empty-icon {
  font-size: 2rem;
  margin-bottom: 10px;
}

.thinking-event {
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-family: 'Courier New', monospace;
  animation: thinkingSlideIn 0.3s ease-out;
  border-left: 3px solid;
  word-wrap: break-word;
}

@keyframes thinkingSlideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.thinking-event-connected {
  background: rgba(0, 255, 122, 0.1);
  border-color: #8fd694;
  color: #8fd694;
}

.thinking-event-thinking {
  background: rgba(255, 179, 71, 0.1);
  border-color: #ffb347;
  color: #c79cff;
}

.thinking-event-tool_call {
  background: rgba(255, 165, 0, 0.1);
  border-color: #ffa500;
  color: #ffb84d;
}

.thinking-event-tool_result {
  background: rgba(0, 191, 255, 0.1);
  border-color: #00bfff;
  color: #7dd3fc;
}

.thinking-event-done {
  background: rgba(168, 85, 247, 0.1);
  border-color: #a855f7;
  color: #e9d5ff;
  font-weight: bold;
}

.thinking-event-error {
  background: rgba(255, 51, 51, 0.1);
  border-color: #ff3333;
  color: #fca5a5;
}

.thinking-event-icon {
  display: inline-block;
  margin-right: 8px;
}

.thinking-event-details {
  font-size: 0.75rem;
  color: var(--text-fade);
  margin-top: 4px;
  padding-left: 20px;
  white-space: pre-wrap;
  max-height: 100px;
  overflow-y: auto;
}

/* ========== MOBILE RESPONSIVE STYLES ========== */

/* Wordmark + status dot — shown only in the mobile header (media query below) */
.brand, .brand-dot { display: none; }

/* Hamburger Menu */
.hamburger-menu {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  padding: 8px;
  border: 1px solid var(--border-bright);
  border-radius: 8px;
  background: var(--bg-line);
  z-index: 100;
}

.hamburger-menu span {
  width: 20px;
  height: 2px;
  background: var(--accent);
  transition: all 0.3s;
  display: block;
}

.hamburger-menu.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger-menu.active span:nth-child(2) {
  opacity: 0;
}

.hamburger-menu.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu Container */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: -100%;
  width: 280px;
  height: 100vh;
  height: 100dvh;
  background: var(--bg-elev);
  border-right: 1px solid var(--border);
  box-shadow: 8px 0 32px rgba(0, 0, 0, 0.5);
  z-index: 999;
  transition: left 0.3s ease;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 20px;
  padding-top: calc(20px + env(safe-area-inset-top));
  padding-bottom: calc(20px + env(safe-area-inset-bottom));
  flex-direction: column;
  gap: 16px;
}

.mobile-menu.open {
  left: 0;
}

.mobile-menu-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  z-index: 998;
}

.mobile-menu-overlay.show {
  display: block;
}

.mobile-menu-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.mobile-menu-section:last-child {
  border-bottom: none;
}

.mobile-menu-section h4 {
  margin: 0;
  color: var(--accent);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.mobile-menu button,
.mobile-menu select {
  width: 100%;
  padding: 10px;
  font-size: 0.95rem;
  text-align: left;
}

/* Mobile Breakpoints */
@media screen and (max-width: 768px) {
  body {
    padding: 0;
  }

  #chat {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    /* Height follows the *visible* viewport (above the keyboard); offsetTop
       shift is applied via JS transform so it tracks iOS's viewport panning. */
    height: var(--app-height, 100dvh);
    transform: translateY(var(--app-offset, 0px));
    border-radius: 0;
    border: none;
  }

  /* Show hamburger, hide desktop header controls */
  .hamburger-menu {
    display: flex;
  }

  #model-select {
    padding: 12px;
    padding-top: calc(12px + env(safe-area-inset-top));
    padding-left: calc(14px + env(safe-area-inset-left));
    padding-right: calc(14px + env(safe-area-inset-right));
    justify-content: flex-start;
    gap: 12px;
  }

  /* Mobile header is [≡]  Lyra  …  [●] — hide everything else. */
  #model-select > *:not(.hamburger-menu):not(.brand):not(.brand-dot) {
    display: none;
  }
  .brand {
    display: block;
    font-family: var(--font-console);
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--accent);
    letter-spacing: 0.5px;
  }
  .brand-dot {
    display: block;
    width: 9px; height: 9px;
    border-radius: 50%;
    background: var(--text-fade);
    margin-left: auto;
    transition: background-color .2s;
  }
  .brand-dot.ok { background: var(--good); box-shadow: 0 0 8px rgba(143, 214, 148, .55); }
  .brand-dot.fail { background: var(--bad); }

  #session-select { display: none; }
  #status { display: none; }   /* relay status now lives as the header dot */

  /* Show mobile menu */
  .mobile-menu {
    display: flex;
  }

  /* Messages - more width on mobile */
  .msg {
    max-width: 90%;
    font-size: 0.95rem;
  }

  /* Status bar */
  #status {
    padding: 10px 12px;
    font-size: 0.85rem;
  }

  /* Input area - bigger touch targets */
  #input {
    padding: 12px;
    padding-bottom: calc(12px + env(safe-area-inset-bottom));
    padding-left: calc(12px + env(safe-area-inset-left));
    padding-right: calc(12px + env(safe-area-inset-right));
  }

  #userInput {
    font-size: 16px; /* Prevents zoom on iOS */
    padding: 12px;
  }

  #sendBtn {
    padding: 12px 16px;
    font-size: 1rem;
  }

  /* Modal - full width on mobile */
  .modal-content {
    width: 95%;
    min-width: unset;
    max-width: unset;
    max-height: 90vh;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }

  .modal-header {
    padding: 12px 16px;
  }

  .modal-body {
    padding: 16px;
  }

  .modal-footer {
    padding: 12px 16px;
    flex-wrap: wrap;
  }

  .modal-footer button {
    flex: 1;
    min-width: 120px;
  }

  /* Radio labels - stack better on mobile */
  .radio-label {
    padding: 10px;
  }

  .radio-label small {
    margin-left: 20px;
    font-size: 0.75rem;
  }

  /* Session list */
  .session-item {
    padding: 10px;
  }

  .session-info strong {
    font-size: 0.9rem;
  }

  .session-info small {
    font-size: 0.7rem;
  }

  /* Settings button in header */
  #settingsBtn {
    padding: 8px 12px;
  }

  /* Thinking panel adjustments for mobile */
  .thinking-panel {
    max-height: 250px;
  }

  .thinking-panel.collapsed {
    max-height: 38px;
  }

  .thinking-header {
    padding: 8px 10px;
    font-size: 0.85rem;
  }

  .thinking-event {
    font-size: 0.8rem;
    padding: 6px 10px;
  }

  .thinking-event-details {
    font-size: 0.7rem;
    max-height: 80px;
  }
}

/* Extra small devices (phones in portrait) */
@media screen and (max-width: 480px) {
  .mobile-menu {
    width: 240px;
  }

  .msg {
    max-width: 95%;
    font-size: 0.9rem;
    padding: 8px 12px;
  }

  #userInput {
    font-size: 16px;
    padding: 10px;
  }

  #sendBtn {
    padding: 10px 14px;
    font-size: 0.95rem;
  }

  .modal-header h3 {
    font-size: 1.1rem;
  }

  .settings-section h4 {
    font-size: 0.95rem;
  }

  .radio-label span {
    font-size: 0.9rem;
  }
}

/* Tablet landscape and desktop */
@media screen and (min-width: 769px) {
  /* Ensure mobile menu is hidden on desktop */
  .mobile-menu,
  .mobile-menu-overlay {
    display: none !important;
  }

  .hamburger-menu {
    display: none !important;
  }
}

/* ---- Live Log lines ---- */
.log-line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.8rem;
  font-family: 'Courier New', monospace;
  border-left: 3px solid var(--text-fade);
  animation: thinkingSlideIn 0.25s ease-out;
  word-break: break-word;
}
.log-time { color: var(--text-fade); flex-shrink: 0; }
.log-level {
  flex-shrink: 0;
  text-transform: uppercase;
  font-size: 0.7rem;
  font-weight: bold;
  letter-spacing: 0.05em;
}
.log-msg { color: var(--text); }
.log-fields { color: var(--text-fade); width: 100%; padding-left: 4px; }

.log-info    { border-left-color: #00bfff; }
.log-info .log-level { color: #7dd3fc; }
.log-debug   { border-left-color: #ffb347; }
.log-debug .log-level { color: #c79cff; }
.log-error   { border-left-color: #ff3333; background: rgba(255,51,51,0.08); }
.log-error .log-level, .log-error .log-msg { color: #fca5a5; }
.log-system  { border-left-color: #8fd694; }
.log-system .log-level { color: #8fd694; }

.log-detail { width: 100%; margin-top: 4px; }
.log-detail summary {
  cursor: pointer;
  color: var(--accent);
  font-size: 0.72rem;
  user-select: none;
}
.log-detail pre {
  margin: 6px 0 0;
  padding: 8px;
  max-height: 340px;
  overflow: auto;
  background: rgba(0,0,0,0.25);
  border-left: 2px solid var(--accent);
  border-radius: 4px;
  font-size: 0.72rem;
  line-height: 1.4;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text);
}

/* Rendered markdown in Lyra's replies — readable proportional type + structure. */
.msg.assistant {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.55;
  max-width: 88%;
}
.msg.assistant p { margin: 0 0 10px; }
.msg.assistant p:last-child { margin-bottom: 0; }
.msg.assistant h1, .msg.assistant h2, .msg.assistant h3, .msg.assistant h4 {
  margin: 14px 0 6px; line-height: 1.3; color: var(--accent);
}
.msg.assistant h1 { font-size: 1.18rem; }
.msg.assistant h2 { font-size: 1.1rem; }
.msg.assistant h3 { font-size: 1.02rem; }
.msg.assistant h4 { font-size: 0.96rem; }
.msg.assistant ul, .msg.assistant ol { margin: 6px 0 10px; padding-left: 22px; }
.msg.assistant li { margin: 3px 0; }
.msg.assistant li > ul, .msg.assistant li > ol { margin: 3px 0; }
.msg.assistant strong { font-weight: 600; color: var(--text); }
.msg.assistant em { font-style: italic; }
.msg.assistant a { color: var(--accent); text-decoration: underline; }
.msg.assistant code {
  font-family: "IBM Plex Mono", monospace; font-size: 0.88em;
  background: rgba(255,255,255,0.08); padding: 1px 5px; border-radius: 4px;
}
.msg.assistant pre {
  background: rgba(0,0,0,0.32); border: 1px solid rgba(255,122,0,0.3);
  border-radius: 6px; padding: 10px 12px; margin: 8px 0; overflow-x: auto;
}
.msg.assistant pre code { background: none; padding: 0; font-size: 0.85em; }

/* Behind-the-scenes 👍/👎 feedback (fine-tune signal) — subtle until hovered. */
.rate-bar { display: flex; gap: 6px; margin-top: 7px; opacity: 0.3; transition: opacity .15s; }
.msg.assistant:hover .rate-bar { opacity: 0.85; }
.rate-btn {
  background: none; border: none; cursor: pointer; font-size: 0.85rem;
  padding: 2px 5px; border-radius: 5px; line-height: 1; filter: grayscale(0.6);
  -webkit-tap-highlight-color: transparent;
}
.rate-btn:hover { filter: none; background: var(--accent-soft); }
.rate-btn.rated { filter: none; background: rgba(255,122,0,0.22); opacity: 1; }

/* Quality floor: honor reduced-motion preference. */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}