html {
  touch-action: pan-y;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

.chat-body {
  background: var(--chat-bg);
  color: var(--chat-text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Instrument Sans", "Noto Sans KR", "Segoe UI", Roboto, sans-serif;
  height: 100vh;
  height: 100svh;
  height: 100dvh;
  min-height: 100vh;
  min-height: 100svh;
  min-height: 100dvh;
  overflow: hidden;
  touch-action: pan-y;
}

:root {
  --chat-bg: #030304;
  --chat-text: #ececec;
  --chat-muted: rgba(255, 255, 255, 0.58);
  --chat-muted-2: rgba(255, 255, 255, 0.38);
  --chat-panel: rgba(20, 20, 22, 0.7);
  --chat-panel-strong: rgba(20, 20, 22, 0.9);
  --chat-border: rgba(255, 255, 255, 0.08);
  --chat-border-strong: rgba(255, 255, 255, 0.2);
  --chat-input-text: #ffffff;
  --chat-bubble-user: rgba(40, 40, 40, 0.6);
  --chat-bubble-user-border: rgba(255, 255, 255, 0.1);
  --chat-hover-bg: rgba(255, 255, 255, 0.1);
  --chat-thread-active-bg: rgba(255, 255, 255, 0.06);
  --chat-thread-active-border: rgba(255, 255, 255, 0.12);
  --chat-pill-bg: rgba(255, 255, 255, 0.05);
  --chat-avatar-bg: rgba(255, 255, 255, 0.06);
  --chat-typing-dot: rgba(255, 255, 255, 0.55);
  --chat-safe-gap: 20px;
  --chat-disclaimer-reserve: 56px;
  --chat-composer-height: 150px;
  --chat-composer-offset: 40px;
  --chat-bottom-reserve: calc(var(--chat-composer-height) + var(--chat-composer-offset) + var(--chat-safe-gap));
}

:root[data-theme="light"],
:root[data-theme="hc-light"],
:root[data-theme="colorblind"] {
  --chat-bg: #f5f1e6;
  --chat-text: #1a1c1f;
  --chat-muted: rgba(26, 28, 31, 0.62);
  --chat-muted-2: rgba(26, 28, 31, 0.48);
  --chat-panel: rgba(255, 255, 255, 0.72);
  --chat-panel-strong: rgba(255, 255, 255, 0.9);
  --chat-border: rgba(26, 28, 31, 0.12);
  --chat-border-strong: rgba(26, 28, 31, 0.18);
  --chat-input-text: #1a1c1f;
  --chat-bubble-user: rgba(26, 28, 31, 0.06);
  --chat-bubble-user-border: rgba(26, 28, 31, 0.12);
  --chat-hover-bg: rgba(26, 28, 31, 0.06);
  --chat-thread-active-bg: rgba(26, 28, 31, 0.05);
  --chat-thread-active-border: rgba(26, 28, 31, 0.12);
  --chat-pill-bg: rgba(26, 28, 31, 0.06);
  --chat-avatar-bg: rgba(26, 28, 31, 0.06);
  --chat-typing-dot: rgba(26, 28, 31, 0.5);
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

.chat-glow {
  position: fixed;
  inset: 0;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;
}

.chat-space {
  position: absolute;
  inset: 0;
  background: var(--chat-bg);
}

:root[data-theme="light"] .chat-space,
:root[data-theme="hc-light"] .chat-space,
:root[data-theme="colorblind"] .chat-space {
  background: var(--chat-bg);
}

.chat-stars {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

:root[data-theme="light"] .chat-stars,
:root[data-theme="hc-light"] .chat-stars,
:root[data-theme="colorblind"] .chat-stars {
  display: none;
}

.chat-star {
  position: absolute;
  background: white;
  border-radius: 50%;
  animation: chat-twinkle 4s infinite;
}

@keyframes chat-twinkle {
  0%, 100% { opacity: 0.2; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.2); }
}

.chat-sun {
  position: absolute;
  left: 50%;
  top: 105%;
  transform: translate(-50%, -16%);
  width: 250vw;
  height: 80vw;
  background: radial-gradient(
    50% 100% at 50% 50%,
    rgba(255, 170, 60, 0.46) 0%,
    rgba(255, 132, 20, 0.24) 40%,
    transparent 80%
  );
  filter: blur(80px) brightness(1.02) saturate(1.15);
  opacity: 0.9;
  transition: opacity 1.1s cubic-bezier(0.25, 1, 0.5, 1), transform 1.1s cubic-bezier(0.25, 1, 0.5, 1);
  animation: chat-sun-flicker 7.5s ease-in-out infinite;
}

:root[data-theme="light"] .chat-sun,
:root[data-theme="hc-light"] .chat-sun,
:root[data-theme="colorblind"] .chat-sun {
  display: none;
}

.chat-body.chat-active .chat-sun {
  opacity: 0.55;
  transform: translate(-50%, -10%);
}

@keyframes chat-sun-flicker {
  0% { filter: blur(78px) brightness(0.98) saturate(1.06); opacity: 0.82; }
  14% { filter: blur(86px) brightness(1.1) saturate(1.32); opacity: 0.95; }
  29% { filter: blur(80px) brightness(1.02) saturate(1.14); opacity: 0.86; }
  47% { filter: blur(90px) brightness(1.12) saturate(1.36); opacity: 0.97; }
  63% { filter: blur(82px) brightness(1.04) saturate(1.18); opacity: 0.88; }
  78% { filter: blur(88px) brightness(1.09) saturate(1.28); opacity: 0.94; }
  100% { filter: blur(80px) brightness(1.0) saturate(1.12); opacity: 0.85; }
}

@media (prefers-reduced-motion: reduce) {
  .chat-sun {
    animation: none;
  }

  .chat-model-dot {
    animation: none;
  }
}

.chat-page {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  min-height: 0;
  padding-top: 0;
}

.header.chat-header {
  flex: 0 0 auto;
  position: sticky !important;
  top: 0 !important;
  left: 0;
  right: 0;
  height: calc(var(--header-height) + env(safe-area-inset-top));
  padding-top: env(safe-area-inset-top);
  box-sizing: border-box;
}

.chat-header .header-left {
  overflow: visible;
}

.chat-header .header-right {
  overflow: visible;
}

.header.chat-header .header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.chat-tools {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.chat-tool-btn {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--chat-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, transform 0.15s ease;
}

.chat-tool-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--chat-text);
}

.chat-tool-btn:active {
  transform: translateY(1px);
}

.chat-theme-panel {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: min(70vw, 160px);
  background: var(--chat-panel);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--chat-border);
  border-radius: 18px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.14);
  padding: 12px 12px 10px;
  z-index: 90;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity 0.18s cubic-bezier(0.25, 1, 0.5, 1), transform 0.18s cubic-bezier(0.25, 1, 0.5, 1);
}

.chat-theme-panel.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

:root[data-theme="light"] .chat-theme-panel,
:root[data-theme="hc-light"] .chat-theme-panel,
:root[data-theme="colorblind"] .chat-theme-panel {
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.06);
}

.chat-theme-panel-title {
  font-size: 12px;
  font-weight: 500;
  color: var(--chat-text);
  margin-bottom: 8px;
  padding-left: 28px;
}

.chat-theme-panel-section {
  padding-top: 10px;
  border-top: 1px solid var(--chat-border);
}

.chat-theme-panel-section:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.chat-theme-panel-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.chat-theme-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.chat-theme-option {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--chat-input-text);
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;
  padding: 8px 6px;
  border-radius: 12px;
  cursor: pointer;
  text-align: left;
}

.chat-theme-option:hover {
  background: var(--chat-hover-bg);
}

.chat-theme-option-dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  border: 1px solid var(--chat-border-strong);
  flex: 0 0 auto;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.06);
}

.chat-theme-option.is-selected .chat-theme-option-dot {
  background: var(--chat-input-text);
  border-color: var(--chat-input-text);
}

.chat-theme-option-text {
  font-size: 12px;
  color: var(--chat-text);
}

.chat-theme-panel-row-compact {
  justify-content: flex-start;
  gap: 10px;
  margin-top: 8px;
}

.chat-theme-label {
  font-size: 12px;
  color: var(--chat-muted);
}

.chat-theme-select {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--chat-border);
  color: var(--chat-input-text);
  border-radius: 12px;
  padding: 8px 10px;
  font-size: 12px;
  outline: none;
}

.chat-theme-color {
  width: 44px;
  height: 36px;
  padding: 0;
  border: 1px solid var(--chat-border);
  background: rgba(255, 255, 255, 0.04);
  border-radius: 12px;
}

.chat-theme-range {
  flex: 1;
}

.chat-theme-panel-actions {
  margin-top: 12px;
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--chat-border);
}

.chat-theme-btn {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--chat-muted);
  font-size: 12px;
  cursor: pointer;
}

.chat-theme-btn:hover {
  color: var(--chat-text);
}

.chat-thread-menu {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.chat-thread-menu-btn {
  appearance: none;
  border: 0;
  background: transparent;
  color: inherit;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 0;
  border-radius: 0;
  cursor: pointer;
  position: relative;
  z-index: 80;
}

.chat-thread-menu-btn:hover {
  color: var(--chat-text);
}

.chat-thread-menu-chevron {
  opacity: 0.7;
  transition: transform 0.22s cubic-bezier(0.25, 1, 0.5, 1), opacity 0.22s ease;
}

.chat-thread-menu-label {
  font-weight: 500;
}

.chat-thread-menu-label-open {
  display: none;
  font-weight: 500;
}

.chat-thread-menu.is-open .chat-thread-menu-label-default {
  display: none;
}

.chat-thread-menu.is-open .chat-thread-menu-label-open {
  display: inline;
}

.chat-thread-menu.is-open .chat-thread-menu-chevron {
  transform: rotate(180deg);
  opacity: 0.85;
}

.chat-thread-dropdown {
  position: fixed;
  top: calc(env(safe-area-inset-top) + 4px);
  left: 12px;
  min-width: 280px;
  max-width: min(84vw, 420px);
  background: var(--chat-panel) !important;
  backdrop-filter: blur(20px) !important;
  -webkit-backdrop-filter: blur(20px) !important;
  border: 1px solid var(--chat-border) !important;
  border-radius: 28px;
  padding: calc(var(--header-height) + 12px) 10px 14px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.14) !important;
  z-index: 45;
  overflow: hidden;
  opacity: 0;
  transition: opacity 0.22s cubic-bezier(0.25, 1, 0.5, 1), background 0.3s, border-color 0.3s, box-shadow 0.3s;
  pointer-events: none;
  will-change: opacity;
}

.no-backdrop-filter .chat-thread-dropdown,
.no-backdrop-filter .chat-input-surface,
.no-backdrop-filter .chat-thread-modal {
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  background: var(--chat-panel-strong) !important;
}

.chat-thread-dropdown-inner {
  transform: translateY(-8px) scale(0.985);
  transition: transform 0.22s cubic-bezier(0.25, 1, 0.5, 1);
  will-change: transform;
}

.chat-thread-menu.is-open .chat-thread-dropdown {
  opacity: 1;
  pointer-events: auto;
}

:root[data-theme="light"] .chat-thread-dropdown-inner,
:root[data-theme="hc-light"] .chat-thread-dropdown-inner,
:root[data-theme="colorblind"] .chat-thread-dropdown-inner {
  transition: transform 0.22s cubic-bezier(0.25, 1, 0.5, 1);
}

.chat-thread-menu.is-open .chat-thread-dropdown-inner {
  transform: translateY(0) scale(1);
}

:root[data-theme="light"] .chat-thread-dropdown,
:root[data-theme="hc-light"] .chat-thread-dropdown,
:root[data-theme="colorblind"] .chat-thread-dropdown {
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.06) !important;
}

.chat-thread-new-btn {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--chat-muted);
  padding: 0;
  border-radius: 10px;
  font-weight: 500;
  font-size: 11px;
  cursor: pointer;
}

.chat-thread-new-btn:hover {
  color: var(--chat-text);
  text-decoration: none;
}

.chat-thread-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 360px;
  overflow: auto;
}

.chat-thread-dropdown-footer {
  display: flex;
  align-items: center;
  padding-top: 10px;
  margin-top: 10px;
  padding-left: 8px;
  padding-right: 8px;
  border-top: 1px solid var(--chat-border);
}

.chat-thread-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 8px 8px;
}

.chat-thread-row:hover {
  background: var(--chat-hover-bg);
}

.chat-thread-row.is-active {
  border-color: var(--chat-thread-active-border);
  background: var(--chat-thread-active-bg);
}

.chat-thread-item {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--chat-text);
  text-align: left;
  cursor: pointer;
  font-weight: 500;
  font-size: 13px;
  line-height: 1.2;
  padding: 4px 0;
}

.chat-thread-actions {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.chat-thread-action {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--chat-muted);
  padding: 0;
  border-radius: 10px;
  font-size: 12px;
  cursor: pointer;
}

.chat-thread-action:hover {
  color: var(--chat-text);
  text-decoration: none;
}

.chat-thread-action.is-danger {
  color: rgba(255, 107, 107, 0.9);
}

.chat-thread-action.is-danger:hover {
  text-decoration: none;
}

.chat-thread-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s cubic-bezier(0.25, 1, 0.5, 1);
}

.chat-thread-modal-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.chat-thread-modal {
  width: min(92vw, 420px);
  background: var(--chat-panel);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--chat-border);
  border-radius: 28px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.14);
  overflow: hidden;
  transform: translateY(10px) scale(0.99);
  transition: transform 0.22s cubic-bezier(0.25, 1, 0.5, 1);
  will-change: transform;
}

.chat-thread-modal-overlay.is-open .chat-thread-modal {
  transform: translateY(0) scale(1);
}

:root[data-theme="light"] .chat-thread-modal,
:root[data-theme="hc-light"] .chat-thread-modal,
:root[data-theme="colorblind"] .chat-thread-modal {
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.06);
}

.chat-thread-modal-body {
  padding: 18px 18px 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.chat-thread-modal-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--chat-text);
}

.chat-thread-modal-desc {
  font-size: 12px;
  color: var(--chat-muted);
  line-height: 1.5;
}

.chat-thread-modal-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--chat-border);
  border-radius: 14px;
  padding: 10px 12px;
  color: var(--chat-input-text);
  font-family: inherit;
  font-size: 14px;
  outline: none;
}

:root[data-theme="light"] .chat-thread-modal-input,
:root[data-theme="hc-light"] .chat-thread-modal-input,
:root[data-theme="colorblind"] .chat-thread-modal-input {
  background: rgba(26, 28, 31, 0.04);
}

.chat-thread-modal-input:focus {
  border-color: var(--chat-border-strong);
}

.chat-thread-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 14px;
  padding: 10px 18px 18px 18px;
  border-top: 1px solid var(--chat-border);
}

.chat-thread-modal-btn {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--chat-muted);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
}

.chat-thread-modal-btn:hover {
  color: var(--chat-text);
}

.chat-thread-modal-btn.is-danger {
  color: rgba(255, 107, 107, 0.9);
}

.chat-thread-modal-btn.is-danger:hover {
  color: rgba(255, 107, 107, 1);
}

.chat-logo-img {
  height: 16px;
  width: auto;
  filter: none;
}

:root[data-theme="dark"] .chat-logo-img,
:root[data-theme="hc-dark"] .chat-logo-img {
  filter: brightness(0) invert(1);
}

.chat-main {
  position: relative;
  flex: 1 1 auto;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  z-index: 10;
  min-height: 0;
  justify-content: center;
  gap: 14px;
  padding-top: 0;
}

.chat-body.chat-active .chat-main {
  justify-content: stretch;
  gap: 0;
}

.chat-hero {
  position: relative;
  text-align: center;
  transition: opacity 0.35s ease;
  pointer-events: none;
  width: 100%;
  padding: 0 20px;
  opacity: 1;
  will-change: opacity;
}

.chat-body.chat-active .chat-hero {
  opacity: 0;
}

.chat-hero-title {
  font-size: clamp(44px, 7vw, 80px);
  font-weight: 800;
  letter-spacing: -0.04em;
  background: linear-gradient(180deg, #ffffff 30%, rgba(255, 255, 255, 0.42) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 10px;
  text-shadow: 0 0 30px rgba(255, 255, 255, 0.1);
}

:root[data-theme="light"] .chat-hero-title,
:root[data-theme="hc-light"] .chat-hero-title,
:root[data-theme="colorblind"] .chat-hero-title {
  background: none;
  -webkit-background-clip: initial;
  -webkit-text-fill-color: initial;
  color: var(--chat-text);
  text-shadow: 0 0 26px rgba(26, 28, 31, 0.06);
}

.chat-hero-sub {
  font-size: 15px;
  color: var(--chat-muted);
  font-weight: 500;
}

.chat-stream {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
  padding-top: 0;
}

.chat-body.chat-active .chat-stream {
  padding-bottom: var(--chat-disclaimer-reserve);
}

.chat-body:not(.chat-active) .chat-stream {
  display: none;
}

.chat-container {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding: 0 20px 28px 20px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  opacity: 0;
  transition: opacity 0.45s ease 0.25s;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  touch-action: pan-y;
}

.chat-body.chat-active .chat-container {
  padding-top: var(--chat-safe-gap);
  padding-bottom: calc(var(--chat-bottom-reserve) + env(safe-area-inset-bottom));
}

.chat-container::-webkit-scrollbar {
  display: none;
}

.chat-body.chat-active .chat-container {
  opacity: 1;
}

.chat-row {
  scroll-margin-top: var(--chat-safe-gap);
  scroll-margin-bottom: calc(var(--chat-bottom-reserve) + env(safe-area-inset-bottom));
}

.chat-row {
  position: relative;
  display: flex;
  gap: 16px;
  animation: chat-slide-in 0.5s cubic-bezier(0.25, 1, 0.5, 1);
  align-items: flex-start;
  padding-bottom: 14px;
}

.chat-row.is-user {
  justify-content: flex-end;
}

.chat-bubble {
  position: relative;
}

.chat-copy-overlay-btn {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1100;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--chat-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease, color 0.18s ease;
}

.chat-copy-overlay-btn.is-visible {
  opacity: 0.85;
  pointer-events: auto;
}

.chat-copy-overlay-btn:hover {
  opacity: 1;
  color: var(--chat-text);
}

.chat-copy-overlay-btn.is-copied {
  opacity: 1;
  color: var(--chat-text);
}

.chat-copy-btn {
  position: absolute;
  bottom: 0;
  z-index: 2;
  width: 50px;
  height: 50px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--chat-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(calc(100% + 34px));
  pointer-events: none;
  transition: opacity 0.18s ease, color 0.18s ease;
}

.chat-row.is-assistant .chat-copy-btn {
  left: 0;
}

.chat-row.is-user .chat-copy-btn {
  right: 0;
}

.chat-row:hover .chat-copy-btn,
.chat-row:focus-within .chat-copy-btn {
  opacity: 0.85;
  pointer-events: auto;
}

.chat-copy-btn:hover {
  opacity: 1;
  color: var(--chat-text);
}

.chat-copy-btn.is-copied {
  opacity: 1;
  color: var(--chat-text);
}

.chat-copy-icon {
  font-size: 36px;
}

@media (pointer: coarse) {
  .chat-copy-btn {
    opacity: 0.75;
    pointer-events: auto;
  }
}

.chat-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  flex: 0 0 auto;
  border: 1px solid var(--chat-border);
  background: var(--chat-avatar-bg);
  overflow: hidden;
}

.chat-avatar img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.chat-bubble {
  max-width: min(76%, 640px);
  line-height: 1.6;
  font-size: 15px;
  color: var(--chat-text);
  word-break: break-word;
  white-space: normal;
}

@media (max-width: 640px) {
  .chat-bubble {
    max-width: 78%;
  }
}

.chat-row.is-user .chat-bubble {
  background: var(--chat-bubble-user);
  border: 1px solid var(--chat-bubble-user-border);
  padding: 12px 18px;
  border-radius: 20px 4px 20px 20px;
  color: var(--chat-bubble-text, var(--chat-input-text));
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

:root[data-theme="light"] .chat-body.chat-theme-user-contrast,
:root[data-theme="hc-light"] .chat-body.chat-theme-user-contrast,
:root[data-theme="colorblind"] .chat-body.chat-theme-user-contrast {
  --chat-bubble-user: rgba(0, 0, 0, 0.72);
  --chat-bubble-user-border: rgba(255, 255, 255, 0.18);
  --chat-bubble-text: #ffffff;
}

:root[data-theme="dark"] .chat-body.chat-theme-user-contrast,
:root[data-theme="hc-dark"] .chat-body.chat-theme-user-contrast {
  --chat-bubble-user: rgba(255, 255, 255, 0.72);
  --chat-bubble-user-border: rgba(0, 0, 0, 0.12);
  --chat-bubble-text: #000000;
}

.chat-row.is-assistant .chat-bubble {
  padding-top: 10px;
}

.chat-ai-name {
  font-size: 12px;
  font-weight: 700;
  line-height: 14px;
  color: var(--chat-muted);
  margin-bottom: 6px;
  display: block;
}

.chat-message-content {
  white-space: normal;
}

.chat-row.is-user .chat-message-content {
  white-space: pre-wrap;
}

.chat-message-content > :first-child {
  margin-top: 0;
}

.chat-message-content > :last-child {
  margin-bottom: 0;
}

.chat-message-content p {
  margin: 0 0 10px;
}

.chat-message-content ul,
.chat-message-content ol {
  margin: 6px 0 10px 18px;
  padding: 0;
}

.chat-message-content li {
  margin: 4px 0;
}

.chat-message-content hr {
  border: 0;
  border-top: 1px solid var(--chat-border);
  margin: 12px 0;
  opacity: 0.9;
}

.chat-message-content blockquote {
  margin: 10px 0 12px;
  padding: 10px 12px;
  border-left: 3px solid var(--chat-border);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
}

:root[data-theme="light"] .chat-message-content blockquote,
:root[data-theme="hc-light"] .chat-message-content blockquote,
:root[data-theme="colorblind"] .chat-message-content blockquote {
  background: rgba(26, 28, 31, 0.03);
}

.chat-message-content a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(255, 255, 255, 0.35);
}

:root[data-theme="light"] .chat-message-content a,
:root[data-theme="hc-light"] .chat-message-content a,
:root[data-theme="colorblind"] .chat-message-content a {
  text-decoration-color: rgba(26, 28, 31, 0.35);
}

.chat-message-content code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.92em;
  padding: 2px 6px;
  border-radius: 8px;
  border: 1px solid var(--chat-border);
  background: rgba(255, 255, 255, 0.06);
}

:root[data-theme="light"] .chat-message-content code,
:root[data-theme="hc-light"] .chat-message-content code,
:root[data-theme="colorblind"] .chat-message-content code {
  background: rgba(26, 28, 31, 0.06);
}

.chat-message-content pre {
  margin: 10px 0 12px;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid var(--chat-border);
  background: rgba(255, 255, 255, 0.06);
  overflow: auto;
  -webkit-overflow-scrolling: touch;
}

:root[data-theme="light"] .chat-message-content pre,
:root[data-theme="hc-light"] .chat-message-content pre,
:root[data-theme="colorblind"] .chat-message-content pre {
  background: rgba(26, 28, 31, 0.06);
}

.chat-message-content pre code {
  padding: 0;
  border: 0;
  background: transparent;
}

.chat-md-table {
  margin: 10px 0 12px;
  border: 1px solid var(--chat-border);
  border-radius: 16px;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  background: rgba(255, 255, 255, 0.03);
}

:root[data-theme="light"] .chat-md-table,
:root[data-theme="hc-light"] .chat-md-table,
:root[data-theme="colorblind"] .chat-md-table {
  background: rgba(26, 28, 31, 0.04);
}

.chat-md-table table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  min-width: 420px;
}

.chat-md-table th,
.chat-md-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--chat-border);
  border-right: 1px solid var(--chat-border);
  vertical-align: top;
  white-space: nowrap;
}

.chat-md-table th:last-child,
.chat-md-table td:last-child {
  border-right: 0;
}

.chat-md-table tr:last-child td {
  border-bottom: 0;
}

.chat-md-table th {
  font-weight: 700;
  background: rgba(255, 255, 255, 0.05);
}

:root[data-theme="light"] .chat-md-table th,
:root[data-theme="hc-light"] .chat-md-table th,
:root[data-theme="colorblind"] .chat-md-table th {
  background: rgba(26, 28, 31, 0.05);
}

.chat-buttons {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chat-button {
  appearance: none;
  border: 1px solid var(--chat-border);
  background: rgba(255, 255, 255, 0.06);
  color: var(--chat-text);
  padding: 8px 12px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.12s ease, border-color 0.12s ease;
}

.chat-button:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.18);
}

.chat-button:active {
  transform: translateY(0);
}

.chat-button:focus-visible {
  outline: 3px solid rgba(124, 92, 255, 0.45);
  outline-offset: 2px;
}

.chat-input-wrapper {
  position: relative;
  left: auto;
  top: auto;
  transform: none;
  width: 100%;
  max-width: 720px;
  padding: 0 20px;
  margin: 0 auto;
  transition: all 0.8s cubic-bezier(0.25, 1, 0.5, 1);
  z-index: 50;
}

.chat-scroll-to-bottom {
  position: absolute;
  left: 50%;
  top: -54px;
  transform: translate(-50%, 10px);
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 1px solid var(--chat-border);
  background: var(--chat-panel);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  color: var(--chat-text);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.2);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s ease;
}

:root[data-theme="light"] .chat-scroll-to-bottom,
:root[data-theme="hc-light"] .chat-scroll-to-bottom,
:root[data-theme="colorblind"] .chat-scroll-to-bottom {
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.12);
}

.chat-scroll-to-bottom.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.chat-scroll-to-bottom:hover {
  background: var(--chat-panel-strong);
}

.chat-scroll-to-bottom:active {
  transform: translate(-50%, 2px);
}

.chat-body.chat-active .chat-input-wrapper {
  position: fixed;
  left: 0;
  right: 0;
  margin: 0 auto;
  bottom: calc(40px + env(safe-area-inset-bottom));
  transform: none;
}

.chat-input-surface {
  background: var(--chat-panel);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--chat-border);
  border-radius: 28px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.14);
  display: flex;
  flex-direction: column;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

:root[data-theme="light"] .chat-input-surface,
:root[data-theme="hc-light"] .chat-input-surface,
:root[data-theme="colorblind"] .chat-input-surface {
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.06);
}

.chat-input-main {
  display: flex;
  align-items: flex-start;
  padding: 14px;
  gap: 12px;
}

.chat-textarea {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--chat-input-text);
  font-size: 16px;
  font-family: inherit;
  resize: none;
  padding: 6px 0;
  max-height: 200px;
  min-height: 36px;
  line-height: 24px;
  overflow: hidden;
  scrollbar-width: none;
  -webkit-appearance: none;
  appearance: none;
  caret-color: var(--chat-input-text);
}

.chat-textarea::-webkit-scrollbar {
  display: none;
}

.chat-textarea::placeholder {
  color: var(--chat-muted-2);
  font-weight: 500;
}

.chat-textarea:focus,
.chat-textarea:focus-visible,
.chat-action-btn:focus,
.chat-action-btn:focus-visible,
.chat-send-btn:focus,
.chat-send-btn:focus-visible {
  outline: none;
  box-shadow: none;
}

.chat-action-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: transparent;
  -webkit-appearance: none;
  appearance: none;
  color: var(--chat-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.chat-action-btn:hover {
  background: var(--chat-hover-bg);
  color: var(--chat-text);
}

.chat-action-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.chat-send-btn {
  background: var(--chat-text);
  color: var(--chat-bg);
  opacity: 0.45;
  transform: scale(0.92);
}

.chat-send-icon-stop {
  display: none;
}

.chat-send-btn.is-stop {
  background: transparent;
  color: var(--chat-text);
  border: 1px solid var(--chat-border);
  opacity: 1;
  transform: scale(1);
  animation: chat-stop-pulse 1.2s ease-in-out infinite;
}

.chat-send-btn.is-stop .chat-send-icon-send {
  display: none;
}

.chat-send-btn.is-stop .chat-send-icon-stop {
  display: inline;
}

@keyframes chat-stop-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.08); }
  50% { box-shadow: 0 0 0 6px rgba(255, 255, 255, 0.02); }
}

:root[data-theme="light"] .chat-send-btn.is-stop,
:root[data-theme="hc-light"] .chat-send-btn.is-stop,
:root[data-theme="colorblind"] .chat-send-btn.is-stop {
  color: var(--chat-text);
}

.chat-send-btn.is-stop:hover:not(:disabled) {
  background: transparent;
}

.chat-send-btn:not(:disabled) {
  opacity: 1;
  transform: scale(1);
}

.chat-send-btn:hover:not(:disabled) {
  background: var(--chat-text);
}

.chat-input-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px 12px 20px;
  font-size: 12px;
  color: var(--chat-muted-2);
  margin-top: -4px;
  gap: 16px;
  position: relative;
  flex-wrap: nowrap;
  min-width: 0;
}

.chat-limits-group {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  margin-left: auto;
  flex: 0 1 auto;
  min-width: 0;
}

.chat-limits-btn {
  appearance: none;
  border: 0;
  background: transparent;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--chat-muted-2);
  font-size: 11px;
  line-height: 1.5;
  padding: 0;
  cursor: pointer;
  min-width: 0;
}

.chat-limits-btn:hover {
  color: var(--chat-muted);
}

.chat-limits-group.is-low .chat-limits-btn {
  color: rgba(255, 107, 107, 0.92);
}

.chat-limits-group.is-low .chat-limits-btn:hover {
  color: rgba(255, 107, 107, 1);
}

.chat-limits-text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-limits-ring {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  flex: 0 0 auto;
  background: conic-gradient(
    rgba(255, 255, 255, 0.82) var(--chat-limit-used, 0%),
    rgba(255, 255, 255, 0.14) 0
  );
  mask: radial-gradient(circle at center, transparent 56%, #000 58%);
  -webkit-mask: radial-gradient(circle at center, transparent 56%, #000 58%);
  opacity: 0.9;
}

.chat-limits-group.is-low .chat-limits-ring {
  background: conic-gradient(
    rgba(255, 107, 107, 0.95) var(--chat-limit-used, 0%),
    rgba(255, 255, 255, 0.14) 0
  );
}

:root[data-theme="light"] .chat-limits-ring,
:root[data-theme="hc-light"] .chat-limits-ring,
:root[data-theme="colorblind"] .chat-limits-ring {
  background: conic-gradient(
    rgba(26, 28, 31, 0.78) var(--chat-limit-used, 0%),
    rgba(26, 28, 31, 0.16) 0
  );
}

:root[data-theme="light"] .chat-limits-group.is-low .chat-limits-ring,
:root[data-theme="hc-light"] .chat-limits-group.is-low .chat-limits-ring,
:root[data-theme="colorblind"] .chat-limits-group.is-low .chat-limits-ring {
  background: conic-gradient(
    rgba(224, 75, 75, 0.9) var(--chat-limit-used, 0%),
    rgba(26, 28, 31, 0.16) 0
  );
}

.chat-limits-tooltip {
  position: absolute;
  right: 0;
  bottom: calc(100% + 6px);
  padding: 8px 10px;
  border-radius: 14px;
  background: var(--chat-panel);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--chat-border);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.14);
  color: var(--chat-muted);
  font-size: 11px;
  line-height: 1.4;
  opacity: 0;
  transform: translateY(4px);
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
  white-space: pre-line;
  z-index: 2;
}

:root[data-theme="light"] .chat-limits-tooltip,
:root[data-theme="hc-light"] .chat-limits-tooltip,
:root[data-theme="colorblind"] .chat-limits-tooltip {
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.06);
}

.chat-limits-group.is-open .chat-limits-tooltip,
.chat-limits-group:hover .chat-limits-tooltip,
.chat-limits-group:focus-within .chat-limits-tooltip {
  opacity: 1;
  transform: translateY(0);
}

.chat-model-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--chat-pill-bg);
  padding: 6px 10px;
  border-radius: 14px;
  color: var(--chat-muted);
  user-select: none;
}

.chat-model-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #00ff88;
  box-shadow: none;
  animation: chat-model-dot-pulse 1.35s ease-in-out infinite;
}

@keyframes chat-model-dot-pulse {
  0%, 100% { opacity: 0.72; transform: scale(0.96); }
  45% { opacity: 0.92; transform: scale(1); }
}

.chat-disclaimer {
  text-align: right;
}

.chat-typing {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 0;
}

.chat-typing-dot {
  width: 6px;
  height: 6px;
  background: var(--chat-typing-dot);
  border-radius: 50%;
  display: inline-block;
  animation: chat-typing-wave 1.4s infinite ease-in-out both;
}

.chat-typing-dot:nth-child(1) { animation-delay: -0.32s; }
.chat-typing-dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes chat-slide-in {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes chat-typing-wave {
  0%, 80%, 100% { transform: scale(0.5); opacity: 0.55; }
  40% { transform: scale(1); opacity: 1; }
}

.chat-disclaimer-below {
  margin-top: 10px;
  font-size: 11px;
  line-height: 1.5;
  color: var(--chat-muted-2);
  text-align: center;
  padding: 0 10px;
}

@media (max-width: 640px) {
  :root {
    --chat-composer-height: 160px;
    --chat-composer-offset: 18px;
    --chat-disclaimer-reserve: 70px;
  }

  .chat-container {
    padding-inline: 12px;
  }

  .chat-input-wrapper {
    padding: 0 16px;
  }

  .chat-body.chat-active .chat-input-wrapper {
    bottom: calc(18px + env(safe-area-inset-bottom));
  }

  .chat-hero-title {
    font-size: clamp(34px, 11vw, 56px);
    margin-bottom: 8px;
  }

  .chat-input-footer {
    flex-direction: row;
    align-items: center;
    gap: 12px;
  }

  .chat-disclaimer {
    text-align: left;
  }
}

@media (max-height: 720px) {
  .chat-hero-title {
    font-size: clamp(32px, 8.5vw, 52px);
  }
}