html.no-anim, html.no-anim * {
  transition: none !important;
  animation: none !important;
}

.loading {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

.spinner {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--border-primary);
  border-top-color: var(--accent-primary);
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

html, body {
  height: 100%;
}

:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f6f1f2;
  --bg-card: #ffffff;
  --text-primary: #4a2647;
  --text-secondary: #64748b;
  --text-muted: #757e8a;
  --border-primary: #e2e8f0;
  --border-secondary: #f1f5f9;
  --accent-primary: #a6777e;
  --accent-hover: #c69da4;
  --accent-light: #f6f1f2;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  
  --font-family: 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  --font-size-xs: 0.9375rem;
  --font-size-sm: 1.1rem;
  --font-size-base: 1.25rem;
  --font-size-lg: 1.4rem;
  --font-size-xl: 1.56rem;
  --font-size-2xl: 1.875rem;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 250ms ease-in-out;

  --kb: 0px;
}

[data-theme="dark"] {
  --bg-primary: #18191d;
  --bg-secondary: #111316;
  --bg-card: #191c21;
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #757e8a;
  --border-primary: #3f4651;
  --border-secondary: #353b44;
  --accent-primary: #a6777e;
  --accent-hover: #c69da4;
  --accent-light: #130f0f;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.4);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.5), 0 4px 6px -4px rgb(0 0 0 / 0.5);
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: auto;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

a {
  color: var(--accent-hover);
}

.muted {
  color: #6c757d;
  font-size: 0.8em;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.theme-toggle-panel {
  width: 44px;
  height: 44px;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  overflow: hidden;
  flex-shrink: 0;
}

.theme-toggle-panel:hover {
  background-color: var(--accent-light);
  border-color: var(--accent-primary);
  transform: scale(1.05);
}

.theme-toggle-panel:focus {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

.theme-toggle-panel:active {
  transform: scale(0.95);
}

.theme-icon {
  position: absolute;
  transition: all var(--transition-normal);
}

.sun-icon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.moon-icon {
  opacity: 0;
  transform: rotate(180deg) scale(0.8);
}

[data-theme="dark"] .sun-icon {
  opacity: 0;
  transform: rotate(-180deg) scale(0.8);
}

[data-theme="dark"] .moon-icon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.chat-window {
  width: 100%;
  max-width: 1500px;
  min-width: 320px;
  height: 95svh;
  max-height: 1400px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: all var(--transition-normal);
  margin: auto;
}

.messages {
  position: relative;
  flex: 1;
  padding: var(--space-6);
  overflow: auto;
  scroll-behavior: smooth;
}

.messages::-webkit-scrollbar {
  width: 6px;
}

.messages::-webkit-scrollbar-track {
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
}

.messages::-webkit-scrollbar-thumb {
  background: var(--border-primary);
  border-radius: var(--radius-sm);
}

.messages::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

.message {
  margin-bottom: var(--space-6);
  display: flex;
  flex-direction: column;
  animation: fadeInUp 0.3s ease-out;
}

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

.message .author {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--text-muted);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.message .body {
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  word-wrap: break-word;
  max-width: 80%;
}

.message.bot .body {
  background: transparent;
  color: var(--text-primary);
  text-align: left;
  align-self: flex-start;
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  max-width: 100%;
  width: 100%;
}

.message.user .body {
  background: var(--accent-light);
  color: var(--text-primary);
  align-self: flex-end;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-secondary);
}

.message.bot .body .nl {
  display: block;
  height: 0;
  margin: var(--space-4) 0;
  line-height: 0;
}

.message.bot .body .banner-card {
  display: inline-block;
  width: 320px;
  margin: var(--space-2);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  vertical-align: top;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.message.bot .body .banner-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px) scale(1.02);
  border-color: var(--accent-primary);
  border-width: 2px;
}

.message.bot .body .banner-image {
  width: 100%;
  aspect-ratio: 3 / 4;
  background: var(--bg-secondary);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  overflow: hidden;
}

.message.bot .body .banner-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.message.bot .body .banner-title {
  padding: var(--space-3);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  height: calc(2 * 1.25em + 1.15rem);
}

.message.bot .body .banner-price-rating {
  padding: var(--space-3);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  display: -webkit-box;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.message.bot .body .banner-price-rating .star {
  font-size: 24px;
  opacity: 0.25;
}

.message.bot .body .banner-price-rating .star.filled {
  opacity: 1;
  color: gold;
}

.message.bot .body .banner-price-rating .rating-text {
  margin-left: 4px;
  font-size: 18px;
}

.message.bot .body .vendor-messages {
  display: block;
  padding: var(--space-4);
  margin-bottom: var(--space-4);
  border: 1px solid var(--border-primary);
  border-left: 4px solid var(--accent-primary);
  border-radius: var(--radius-lg);
  background: var(--bg-secondary);
  box-shadow: var(--shadow-sm);
}

.message.bot .body .vendor-msg + .vendor-msg {
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px dashed var(--border-primary);
}

.message.bot .body .vendor-ids {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.02em;
}

.message.bot .body .vendor-text {
  margin-top: var(--space-2);
  line-height: var(--line-height-relaxed);
}

.message.bot .body .vendor-text .nl {
  display: block;
  height: 0;
  margin: var(--space-3) 0;
  line-height: 0;
}

.message.bot .body .vendor-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.message.bot .body .vendor-chip {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  border: 1px solid var(--border-primary);
  border-radius: 999px;
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
  overflow: hidden;
}

.message.bot .body .vendor-chip:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--accent-primary);
}

.message.bot .body .vendor-chip .vendor-chip-link {
  display: inline-block;
  padding: 0.375rem 0.625rem;
  font-size: var(--font-size-xs);
  color: var(--text-primary);
  text-decoration: none;
  line-height: 1.2;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}

.message.bot .body .vendor-chip .vendor-chip-remove {
  margin-left: 0.5rem;
  padding: 0.25rem 0.5rem;
  min-width: 28px;
  min-height: 28px;
  border: 0;
  border-left: 1px solid var(--border-primary);
  background: transparent;
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.message.bot .body .vendor-chip .vendor-chip-remove:hover {
  color: var(--text-primary);
  background: var(--bg-secondary);
}

.message.bot .body .vendor-chip .vendor-chip-remove:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

.message.bot .body .vendor-chip.vendor-chip--empty {
  opacity: 0.7;
  padding: 0.375rem 0.625rem;
}

.message.bot .body .vendor-editor {
  white-space: pre-wrap;
  min-height: 8rem;
  padding: var(--space-3);
  border: 1px dashed var(--border-primary);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.message.bot .body .vendor-editor:focus {
  border-style: solid;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.message.bot .body .vendor-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: var(--space-3);
}

.message.bot .body .vendor-send-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.875rem;
  border: 0px solid var(--accent-primary);
  background: var(--accent-primary);
  color: #fff;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.message.bot .body .vendor-send-btn:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  box-shadow: var(--shadow-md);
}

.message.bot .body .vendor-send-btn .vendor-send-icon {
  width: 18px;
  height: 18px;
  display: block;
  border-radius: 0.5rem;
  object-fit: cover;
}

.message.bot .body .vendor-send-btn .vendor-send-label {
  line-height: 1;
  white-space: nowrap;
}

.message.bot .body .vendor-msg.is-sent .vendor-editor {
  border-style: solid;
  opacity: 0.9;
  cursor: default;
}

.message.bot .body .vendor-msg.is-sent .vendor-chip-remove {
  display: none;
}

.message.bot .body .vendor-send-btn[disabled],
.message.bot .body .vendor-send-btn.is-disabled {
  cursor: default;
  pointer-events: none;
  background: var(--text-muted);
}

.chat-form {
  padding: var(--space-6);
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-primary);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  justify-content: center;
}

.chat-form[hidden] { display: none !important; }

.message-input {
  flex: 1;
  border: 1px solid var(--border-primary);
  background-color: var(--bg-card);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  resize: none;
  outline: none;
  min-height: 40px;
  max-height: 120px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  padding: var(--space-3);
}

.message-input:focus {
  border: 0px
}

.message-input::placeholder {
  color: var(--text-muted);
}

.send-button {
  width: 64px;
  height: 64px;
  border: none;
  background-color: var(--accent-primary);
  color: white;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.send-button:hover {
  background-color: var(--accent-hover);
}

.send-button:focus {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

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

.send-button:disabled {
  background-color: var(--text-muted);
  transform: none;
  box-shadow: none;
}

.mic-button {
  width: 64px;
  height: 64px;
  border: none;
  background-color: var(--accent-primary);
  color: white;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.mic-button:hover {
  background-color: var(--accent-hover);
}

.mic-button:focus {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

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

.mic-button:disabled {
  background-color: var(--text-muted);
  transform: none;
  box-shadow: none;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (prefers-contrast: high) {
  :root {
    --border-primary: #000000;
    --text-primary: #000000;
    --bg-primary: #ffffff;
  }
  
  [data-theme="dark"] {
    --border-primary: #ffffff;
    --text-primary: #ffffff;
    --bg-primary: #000000;
  }
}

.theme-toggle:focus-visible,
.send-button:focus-visible,
.mic-button:focus-visible,
.message-input:focus-visible {
  outline: 2px solid var(--accent-primary);
}

.panel-toggle {
  position: fixed !important;
  top: var(--space-6) !important;
  left: var(--space-6) !important;
  right: auto !important;
  z-index: 1001;
  width: 64px;
  height: 64px;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  background-color: var(--bg-card);
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-fast);
  overflow: hidden;
}

.panel-toggle:hover {
  background-color: var(--bg-secondary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-1px);
}

.panel-toggle:focus {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

.panel-toggle:active {
  transform: translateY(0);
}

.panel-icon {
  position: absolute;
  transition: all var(--transition-normal);
}

.menu-icon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.close-icon {
  opacity: 0;
  transform: rotate(180deg) scale(0.8);
}

.panel-open .menu-icon {
  opacity: 0;
  transform: rotate(-180deg) scale(0.8);
}

.panel-open .close-icon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.side-panel {
  position: fixed;
  top: 0;
  left: 0;
  width: 320px;
  height: 100dvh;
  background-color: var(--bg-card);
  border-right: 1px solid var(--border-primary);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  transform: translateX(-100%);
  transition: transform var(--transition-normal);
  overflow: hidden;
}

.side-panel.open {
  transform: translateX(0);
}

.panel-content {
  display: flex;
  flex-direction: column;
  height: 100%;
  --panel-pad: var(--space-6);
  padding: var(--space-6);
  padding-top: calc(var(--space-6) + 80px);
  overflow: hidden;
}

.panel-header {
  margin-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-primary);
  padding-bottom: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-left: calc(-1 * var(--panel-pad));
  margin-right: calc(-1 * var(--panel-pad));
  padding-left: var(--panel-pad);
  padding-right: var(--panel-pad);
}

.panel-header h2 {
  margin: 0;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.panel-body {
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.panel-body::-webkit-scrollbar {
  width: 6px;
}

.panel-body::-webkit-scrollbar-track {
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
}

.panel-body::-webkit-scrollbar-thumb {
  background: var(--border-primary);
  border-radius: var(--radius-sm);
}

.panel-body::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

.new-chat-button {
  width: 100%;
  padding: var(--space-4);
  background-color: var(--accent-primary);
  color: white;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.new-chat-button:hover {
  background-color: var(--accent-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.new-chat-button:focus {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

.new-chat-button:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.new-chat-icon {
  flex-shrink: 0;
}

.history-container {
  flex: 1;
  overflow-x: hidden;
  overflow-y: auto;
  min-height: 0;
  padding-bottom: var(--space-4);
}

.history-container::-webkit-scrollbar {
  width: 6px;
}

.history-container::-webkit-scrollbar-track {
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
}

.history-container::-webkit-scrollbar-thumb {
  background: var(--border-primary);
  border-radius: var(--radius-sm);
}

.history-container::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

.panel-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100svh;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  backdrop-filter: blur(2px);
}

.panel-overlay.visible {
  opacity: 1;
  visibility: visible;
}

body.panel-open {
  overflow: hidden;
}

.auth-links {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-top: var(--space-6);
  width: 100%;
  text-align: center;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.auth-links .sep {
  margin: 0 var(--space-1);
  color: var(--text-secondary);
}

.auth-link {
  color: var(--accent-primary);
  text-decoration: underline;
  cursor: pointer;
  transition: color var(--transition-fast)
}

.auth-link:hover,
.auth-link:focus {
  color: var(--accent-hover);
  outline: none;
}

.history-list::-webkit-scrollbar {
  width: 6px;
}

.history-list::-webkit-scrollbar-track {
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
}

.history-list::-webkit-scrollbar-thumb {
  background: var(--border-primary);
  border-radius: var(--radius-sm);
}

.history-list::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

@media (prefers-reduced-motion: reduce) {
  .side-panel,
  .panel-overlay,
  .panel-toggle,
  .option-item {
    transition-duration: 0.01ms !important;
  }
}

.panel-toggle:focus-visible,
.theme-toggle-panel:focus-visible,
.new-chat-button:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

.panel-footer {
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-primary);
  margin-left: calc(-1 * var(--panel-pad));
  margin-right: calc(-1 * var(--panel-pad));
  padding-left: var(--panel-pad);
  padding-right: var(--panel-pad);
}

.user-section {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  background-color: var(--bg-secondary);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.user-section:hover {
  background-color: var(--accent-light);
}

.user-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--border-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.user-avatar.logged {
  background-color: var(--accent-primary);
  color: white;
}

.avatar-icon {
  color: var(--text-muted);
}

.user-avatar.logged .avatar-icon {
  color: white;
}

.user-info {
  flex: 1;
  min-width: 0;
}

.user-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  margin-bottom: var(--space-1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-email {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.login-button {
  background: none;
  border: none;
  color: var(--accent-primary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
  transition: color var(--transition-fast);
}

.login-button:hover {
  color: var(--accent-hover);
}

.logout-button {
  width: 44px;
  height: 44px;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  background-color: var(--bg-card);
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.logout-button:hover {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border-color: var(--accent-primary);
}

.login-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100svh;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  width: 100%;
  max-width: 400px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6);
  border-bottom: 1px solid var(--border-primary);
}

.modal-header h3 {
  margin: 0;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.close-modal-btn {
  width: 32px;
  height: 32px;
  border: none;
  background: none;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.close-modal-btn:hover {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}

.login-form {
  padding: var(--space-6);
}

.form-group {
  margin-bottom: var(--space-4);
}

.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.form-group input {
  width: 100%;
  padding: var(--space-3);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
}

.form-group input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.form-group input::placeholder {
  color: var(--text-muted);
}

.error-message {
  background-color: #fee2e2;
  color: #dc2626;
  padding: var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-4);
  border: 1px solid #fecaca;
}

[data-theme="dark"] .error-message {
  background-color: #450a0a;
  color: #fca5a5;
  border-color: #7f1d1d;
}

.form-actions {
  margin-top: var(--space-6);
}

.login-submit-btn {
  width: 100%;
  padding: var(--space-4);
  background-color: var(--accent-primary);
  color: white;
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.login-submit-btn:hover:not(:disabled) {
  background-color: var(--accent-hover);
}

.login-submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.spinner-small {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.login-button:focus-visible,
.logout-button:focus-visible,
.close-modal-btn:focus-visible,
.login-submit-btn:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

.history-section {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.history-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-secondary);
  margin: 0 0 var(--space-3) 0;
  padding: 0;
  flex-shrink: 0;
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
}

.history-button {
  width: 100%;
  padding: var(--space-3) var(--space-1);
  border: none;
  border-radius: var(--radius-md);
  background-color: transparent;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-normal);
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.history-button:hover {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  transform: translateX(2px);
}

.history-button:focus {
  outline: 2px solid var(--accent-primary);
  outline-offset: -2px;
}

.history-button:active {
  transform: translateX(0);
  background-color: var(--accent-light);
}

.history-button.active {
  background-color: var(--accent-primary);
  color: white;
}

.history-button.active:hover {
  background-color: var(--accent-hover);
  color: white;
  transform: translateX(2px);
}

.history-icon {
  flex-shrink: 0;
  opacity: 0.7;
}

.history-button:hover .history-icon {
  opacity: 1;
}

.history-loading {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

.spinner-small {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid var(--border-primary);
  border-top-color: var(--accent-primary);
  animation: spin 0.8s linear infinite;
}

.history-empty {
  padding: var(--space-4);
  text-align: center;
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  font-style: italic;
}

.back-btn {
  position: fixed;
  top: var(--space-6);
  left: calc(var(--space-6) + 64px + var(--space-3));
  z-index: 1001;
  width: 64px;
  height: 64px;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  background-color: var(--bg-card);
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-fast);
}

.back-btn:hover { background-color: var(--bg-secondary); box-shadow: var(--shadow-lg); transform: translateY(-1px); }
.back-btn:focus { outline: 2px solid var(--accent-primary); outline-offset: 2px; }
.back-btn:active { transform: translateY(0); }
.back-btn[hidden] { display: none !important; }

.iza-ai-pin {
  position: absolute;
  bottom: 0;
  left: 0;
  padding: 0 0 12px 18px;
  background: transparent;
  color: var(--text-primary);
  text-align: left;

  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.iza-ai-pin-icon {
  width: 32px;
  height: 32px;
  object-fit: contain;
  flex: 0 0 auto;
  background-image: url('/images/AiIcon.png');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

[data-theme="dark"] .iza-ai-pin-icon {
  background-image: url('/images/AiIcon-White.png');
}

.iza-ai-pin span {
  line-height: 1;
}

.iza-ai-popup {
  text-align: center;
}

.iza-ai-tiles-row {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 16px;
  width: 100%;
}

.iza-ai-tile {
  flex: 1 1 380px;
  max-width: 380px;
  aspect-ratio: 3 / 2;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  vertical-align: top;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
  box-sizing: border-box;
  display: flex;
  align-items: center;
}

.iza-ai-tile-icon {
  flex: 0 0 30%;
  width: 30%;
  height: 60%;
  object-fit: contain;
  padding: 0 0 0 7.5%;
}

.iza-ai-tile-content {
  flex: 1 1 0;
  line-height: 1.3;
  font-size: 80%;
  padding: var(--space-1);
}

.example-message-btn {
  max-width: 380px;
  width: 100%;
  height: 40px;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  overflow: hidden;
  flex-shrink: 0;
  font-size: 18px;
}

.example-message-btn:hover{ 
  background-color: var(--accent-light);
  border-color: var(--accent-primary);
}

@media (max-width: 1024px) {
  :root {
    --font-size-xs: calc(0.9375rem * 0.70);
    --font-size-sm: calc(1.1rem * 0.70);
    --font-size-base: calc(1.25rem * 0.70);
    --font-size-lg: calc(1.4rem * 0.70);
    --font-size-xl: calc(1.56rem * 0.70);
    --font-size-2xl: calc(1.875rem * 0.70);
  }

  html, body {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    overscroll-behavior: auto;
  }

  body {
    padding: 0;
    margin: 0;
    display: block;
  }

  .kb-open,
  .kb-open body {
    overflow: hidden !important;
    overscroll-behavior: none !important;
    touch-action: none !important;
  }

  .chat-window {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    border-radius: 0;
    margin: 0;
    max-width: none;
    max-height: none;
  }

  .messages {
    overflow: auto;
    overscroll-behavior: auto;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-y;
    padding-top: calc(var(--space-6) + 44px + var(--space-3));
    padding-bottom: calc(var(--chat-form-h, 56px) + env(safe-area-inset-bottom));
  }

  .kb-open .messages {
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    padding-bottom: calc(var(--chat-form-h, 56px) + env(safe-area-inset-bottom) + var(--kb));
  }

  .chat-form {
    position: fixed;
    padding: var(--space-4);
    left: 0;
    right: 0;
    bottom: env(safe-area-inset-bottom);
    z-index: 100;
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
    will-change: transform;
    touch-action: none;
    overscroll-behavior: contain;
  }

  .kb-open .chat-form {
    bottom: calc(env(safe-area-inset-bottom) + var(--kb));
  }

  .message .body {
    max-width: 92%;
    font-size: var(--font-size-sm);
  }

  .send-button {
    width: 44px;
    height: 44px;
  }

  .mic-button {
    width: 44px;
    height: 44px;
  }

  .send-icon {
    width: 22px;
    height: 22px;
  }

  .mic-icon {
    width: 22px;
    height: 22px;
  }

  .message.bot .body .banner-card {
    width: 224px;
  }

  .theme-toggle {
    top: var(--space-3);
    right: var(--space-3);
    width: 44px;
    height: 44px;
  }

  .theme-icon {
    width: 18px;
    height: 18px;
  }

  .panel-toggle {
    top: var(--space-6);
    left: var(--space-6);
    width: 44px;
    height: 44px;
  }

  .side-panel {
    width: 280px;
  }

  .panel-content {
    --panel-pad: var(--space-4);
    padding: var(--space-4);
    padding-top: calc(var(--space-4) + 60px);
  }

  .panel-header h2 {
    font-size: var(--font-size-lg);
  }

  .theme-toggle-panel {
    width: 44px;
    height: 44px;
  }

  .theme-toggle-panel .theme-icon {
    width: 18px;
    height: 18px;
  }

  .new-chat-button {
    padding: var(--space-3);
    font-size: var(--font-size-sm);
  }

  .new-chat-icon {
    width: 18px;
    height: 18px;
  }

   .user-avatar {
    width: 40px;
    height: 40px;
  }

  .avatar-icon {
    width: 20px;
    height: 20px;
  }

  .user-name {
    font-size: var(--font-size-xs);
  }

  .user-email {
    font-size: 0.75rem;
  }

  .logout-button {
    width: 44px;
    height: 44px;
  }

  .logout-button svg {
    width: 18px;
    height: 18px;
  }

  .modal-content {
    margin: var(--space-4);
  }

  .modal-header,
  .login-form {
    padding: var(--space-4);
  }

  #login-modal .auth-links {
    margin-top: var(--space-8);
    padding: 0 var(--space-3);
  }

  .history-container {
    overflow-y: hidden;
    padding-bottom: var(--space-8);
  }

  .history-section {
    margin-top: var(--space-4);
  }
  
  .history-title {
    font-size: var(--font-size-xs);
    padding: 0 var(--space-3);
  }
  
  .history-button {
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-sm);
    min-height: 32px;
  }

  .back-btn {
    top: var(--space-6);
    left: calc(var(--space-6) + 44px + var(--space-6));
    width: 44px;
    height: 44px;
  }
}

@supports (-webkit-overflow-scrolling: touch) {
  :root {
    --font-size-xs: 16px;
    --font-size-sm: 16px;
    --font-size-base: 16px;
    --font-size-lg: 16px;
    --font-size-xl: 16px;
    --font-size-2xl: 16px;
    -webkit-text-size-adjust: 100%;
  }
}