:root {
  --text-scale: 1;
  --zoom-scale: 1;
  --bg: #f8fafc;
  --bg-card: #ffffff;
  --bg-input: #ffffff;
  --text: #1e293b;
  --text-muted: #64748b;
  --accent: #1e40af;
  --accent-hover: #2563eb;
  --accent-light: #dbeafe;
  --border: #e2e8f0;
  --error: #dc2626;
  --success: #16a34a;
  --msg-user: #e5e7eb;
  --msg-assistant: #fef3e2;
  --header-bg: #1e3a5f;
  --header-text: #ffffff;
}

/* Cursor-like dark: charcoal grays, no blue, green accents, purple links */
[data-theme="dark"] {
  --bg: #1e1e1e;
  --bg-card: #252526;
  --bg-input: #252526;
  --text: #d4d4d4;
  --text-muted: #858585;
  --accent: #4ec9b0;
  --accent-hover: #6ee7c8;
  --accent-light: #1e3a36;
  --border: #3c3c3c;
  --error: #f87171;
  --success: #4ade80;
  --msg-user: #2d2d2d;
  --msg-assistant: #2d2d2d;
  --header-bg: #252526;
  --header-text: #e0e0e0;
  --link: #c586c0;
  --link-hover: #d9a8d8;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: calc(100% * var(--text-scale));
  zoom: var(--zoom-scale);
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

/* Login banner */
.login-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  background: var(--header-bg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.login-banner-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.login-banner-logo {
  height: 36px;
  width: auto;
  max-width: 120px;
  object-fit: contain;
}

.login-banner h1 {
  font-size: 1.25rem;
  color: var(--header-text);
  font-weight: 600;
}

.login-banner .theme-toggle {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 6px;
  padding: 0.4rem 0.6rem;
  cursor: pointer;
  color: var(--header-text);
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.2s;
}
.login-banner .theme-toggle:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--header-text);
}

.chat-header .theme-toggle {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 6px;
  padding: 0.4rem 0.6rem;
  cursor: pointer;
  color: var(--header-text);
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.2s;
}
.chat-header .theme-toggle:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--header-text);
}

.ui-mode-switcher {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: 0.5rem;
}

.ui-mode-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 6px;
  background: transparent;
  color: var(--header-text);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}

.ui-mode-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--header-text);
}

.ui-mode-btn.active {
  background: rgba(255, 255, 255, 0.25);
  border-color: var(--header-text);
}

/* Customize modal */
.customize-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.customize-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  cursor: pointer;
}

.customize-modal-content {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  max-width: 360px;
  width: 100%;
}

.customize-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}

.customize-modal-header h3 {
  font-size: 1.1rem;
  font-weight: 600;
}

.customize-modal-close {
  width: 32px;
  height: 32px;
  padding: 0;
  font-size: 1.5rem;
  line-height: 1;
}

.customize-modal-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.customize-field label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.customize-device-btns {
  display: flex;
  gap: 0.5rem;
}

.customize-device-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
}

.customize-device-btn.active {
  background: var(--accent-light);
  border-color: var(--accent);
  color: var(--accent);
}

.customize-text-size,
.customize-zoom {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.customize-text-size input[type="range"],
.customize-zoom input[type="range"] {
  flex: 1;
  min-width: 0;
}

.customize-modal-actions {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
  margin-top: 0.5rem;
}

/* Help modal */
.chat-help-modal {
  position: fixed;
  inset: 0;
  z-index: 1001;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.chat-help-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  cursor: pointer;
}
.chat-help-modal-content {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  max-width: 420px;
  width: 100%;
}
.chat-help-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}
.chat-help-modal-header h3 { font-size: 1.1rem; font-weight: 600; }
.chat-help-modal-close { width: 32px; height: 32px; padding: 0; font-size: 1.5rem; line-height: 1; }
.chat-help-modal-body { padding: 1.25rem; }
.chat-help-modal-body p { margin: 0 0 0.75rem; }
.chat-help-modal-body p:last-child { margin-bottom: 0; }

/* Floating help icon - bottom-right on all pages */
.help-float-btn {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-muted);
  font-size: 1.25rem;
  font-weight: 600;
  cursor: pointer;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.help-float-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--bg);
}

/* Login page */
.login-page {
  min-height: calc(100vh - 60px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  gap: 1.5rem;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
}

.login-logo {
  max-height: 48px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
  margin-bottom: 0.75rem;
}

.login-card h1 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--accent);
}

.login-card .subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.login-portal-footer {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 1.25rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.login-portal-footer .login-powered-by {
  font-size: 0.55em;
  margin-left: 0.4em;
  opacity: 0.9;
  vertical-align: middle;
}

.login-form label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.login-form input {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-input);
  color: var(--text);
  font-size: 1rem;
  margin-bottom: 1rem;
}

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

.login-form input:focus {
  outline: none;
  border-color: var(--accent);
}

.login-form-select,
.login-form select {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-input);
  color: var(--text);
  font-size: 1rem;
  margin-bottom: 1rem;
  font-family: inherit;
}

.login-form-select:focus,
.login-form select:focus {
  outline: none;
  border-color: var(--accent);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.25rem;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s, opacity 0.2s;
}

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

.btn-primary {
  background: var(--accent);
  color: var(--header-text);
  width: 100%;
  margin-top: 0.25rem;
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
  color: var(--header-text);
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}

.btn-outline:hover:not(:disabled) {
  background: var(--accent-light);
}

.btn-dev {
  margin-top: 1rem;
  background: #64748b;
  color: var(--header-text);
  width: 100%;
}

.btn-dev:hover:not(:disabled) {
  background: #475569;
}

.dev-credentials {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  text-align: center;
}

.dev-badge {
  font-size: 0.65rem;
  font-weight: 600;
  padding: 0.15rem 0.4rem;
  background: #475569;
  color: #fff;
  border-radius: 4px;
  margin-left: 0.5rem;
  vertical-align: middle;
}

.login-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 1rem;
}

.login-error {
  color: var(--error);
  font-size: 0.875rem;
  margin-top: 0.5rem;
}

.login-toggle {
  margin-top: 1rem;
  text-align: center;
}

.login-toggle a {
  color: var(--accent);
  text-decoration: none;
  cursor: pointer;
}

.login-toggle a:hover {
  text-decoration: underline;
}
[data-theme="dark"] .login-toggle a {
  color: var(--link, var(--accent));
}
[data-theme="dark"] .login-toggle a:hover {
  color: var(--link-hover, var(--accent-hover));
}

.totp-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
  text-align: center;
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  z-index: 1000;
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.08);
  transform: translateY(100%);
  transition: transform 0.3s;
}

.cookie-banner.visible {
  transform: translateY(0);
}

.cookie-banner p {
  flex: 1;
  font-size: 0.9rem;
  color: var(--text);
  margin: 0;
}

.cookie-banner-actions {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

/* Onboarding chatbot */
.onboarding-chatbot {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 999;
}

.chatbot-toggle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent);
  color: white;
  border: none;
  font-size: 1.25rem;
  font-weight: bold;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(30, 64, 175, 0.4);
  transition: transform 0.2s;
}

.chatbot-toggle:hover {
  transform: scale(1.05);
}

.chatbot-panel {
  display: none;
  position: absolute;
  bottom: 60px;
  right: 0;
  width: 320px;
  max-width: calc(100vw - 2rem);
  max-height: 85vh;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  overflow: hidden;
}

.chatbot-panel.open {
  display: flex;
  flex-direction: column;
}

.chatbot-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: var(--header-bg);
  color: var(--header-text);
  font-weight: 600;
}

.chatbot-close {
  background: none;
  border: none;
  color: inherit;
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  padding: 0 0.25rem;
}

.chatbot-messages-outer {
  position: relative;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.chatbot-messages {
  padding: 1rem;
  max-height: 240px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  -webkit-overflow-scrolling: touch;
}

.chatbot-scroll-to-bottom {
  position: absolute;
  bottom: 0.5rem;
  right: 0.75rem;
  width: 28px;
  height: 28px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--bg-card);
  color: var(--text-muted);
  font-size: 0.8rem;
  cursor: pointer;
  z-index: 10;
  touch-action: manipulation;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  transition: opacity 0.2s, background 0.2s;
  animation: scroll-bounce 2s ease-in-out infinite;
}

.chatbot-scroll-to-bottom:hover {
  background: var(--bg);
  color: var(--text);
}

.chatbot-scroll-to-bottom.hidden {
  opacity: 0;
  pointer-events: none;
}

@keyframes scroll-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(3px); }
}

.chatbot-msg {
  padding: 0.6rem 0.9rem;
  border-radius: 12px;
  font-size: 0.9rem;
  max-width: 90%;
}

.chatbot-msg.bot {
  background: var(--accent-light);
  color: var(--text);
  align-self: flex-start;
}

.chatbot-msg.user {
  background: var(--msg-user);
  color: var(--text);
  align-self: flex-end;
}

.chatbot-thinking {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.chatbot-thinking-logo {
  width: 28px;
  height: 28px;
  object-fit: contain;
  flex-shrink: 0;
}

.chatbot-thinking .thinking-dots {
  display: flex;
  gap: 4px;
  align-items: center;
}

.chatbot-thinking .thinking-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  animation: thinking-bounce 1.4s ease-in-out infinite both;
}

.chatbot-thinking .thinking-dots span:nth-child(1) { animation-delay: 0s; }
.chatbot-thinking .thinking-dots span:nth-child(2) { animation-delay: 0.2s; }
.chatbot-thinking .thinking-dots span:nth-child(3) { animation-delay: 0.4s; }

.chatbot-chat-input {
  display: flex;
  gap: 0.5rem;
  align-items: flex-end;
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.chatbot-chat-input textarea {
  flex: 1;
  min-width: 0;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-input);
  color: var(--text);
  font-size: 0.9rem;
  font-family: inherit;
  resize: none;
  min-height: 40px;
  max-height: 120px;
  overflow-y: auto;
}

.chatbot-chat-input textarea::placeholder {
  color: var(--text-muted);
}

.chatbot-chat-input textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.chatbot-chat-input .btn-primary {
  flex-shrink: 0;
  width: auto;
  padding: 0.5rem 1rem;
}

.chatbot-form-wrap {
  border-top: 1px solid var(--border);
}

.chatbot-form-toggle {
  width: 100%;
  padding: 0.5rem 1rem;
  background: none;
  border: none;
  color: var(--accent);
  font-size: 0.875rem;
  cursor: pointer;
  text-align: center;
}

.chatbot-form-toggle:hover {
  text-decoration: underline;
}

.chatbot-form {
  padding: 1rem;
  display: none;
  flex-direction: column;
  gap: 0.5rem;
}

.chatbot-form.visible {
  display: flex;
}

.chatbot-form input {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.9rem;
}

@media (max-width: 640px) {
  .cookie-banner {
    flex-direction: column;
    text-align: center;
  }

  .chatbot-panel {
    width: calc(100vw - 2rem);
    right: -0.5rem;
  }

  /* Scroll-to-bottom: touch-friendly on phones */
  .chatbot-scroll-to-bottom {
    width: 44px;
    height: 44px;
    min-width: 44px;
    min-height: 44px;
    bottom: 0.75rem;
    right: 0.75rem;
    font-size: 1rem;
  }
}

/* Chat app */
.chat-app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
}

.chat-header {
  position: sticky;
  top: 0;
  z-index: 100;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  background: var(--header-bg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.chat-logo {
  height: 36px;
  width: auto;
  max-width: 120px;
  object-fit: contain;
  margin-right: 0.5rem;
}

.chat-header h1 {
  font-size: 1.25rem;
  color: var(--header-text);
  font-weight: 600;
  display: flex;
  align-items: center;
}

.chat-header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.chat-header .btn-outline {
  color: var(--header-text);
  border-color: rgba(255, 255, 255, 0.6);
}

.chat-header .btn-outline:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--header-text);
}

.chat-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
  padding: 1rem;
  min-height: 0;
  overflow: hidden;
}

.chat-messages-outer {
  position: relative;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-height: 0;
  -webkit-overflow-scrolling: touch;
}

.chat-scroll-to-bottom {
  position: absolute;
  bottom: 0.75rem;
  right: 1rem;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--bg-card);
  color: var(--text-muted);
  font-size: 1rem;
  cursor: pointer;
  z-index: 10;
  touch-action: manipulation;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  transition: opacity 0.2s, background 0.2s;
  animation: scroll-bounce 2s ease-in-out infinite;
}

.chat-scroll-to-bottom:hover {
  background: var(--bg);
  color: var(--text);
}

.chat-scroll-to-bottom.hidden {
  opacity: 0;
  pointer-events: none;
}

.message {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  max-width: 85%;
}

.message.user {
  align-self: flex-end;
  background: var(--msg-user);
  color: var(--text);
  padding: 0.75rem 1rem;
  border-radius: 12px 12px 4px 12px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.message.assistant {
  align-self: flex-start;
  background: var(--msg-assistant);
  color: var(--text);
  padding: 0.75rem 1rem;
  border-radius: 12px 12px 12px 4px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.message-header {
  display: flex;
  align-items: center;
  gap: 6px;
}

.message-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.message-role {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.message-content {
  white-space: pre-wrap;
  word-break: break-word;
}

.message.thinking .message-content.thinking-dots {
  display: flex;
  gap: 4px;
  align-items: center;
  min-height: 1.2em;
}

.message.thinking .message-content.thinking-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  animation: thinking-bounce 1.4s ease-in-out infinite both;
}

.message.thinking .message-content.thinking-dots span:nth-child(1) { animation-delay: 0s; }
.message.thinking .message-content.thinking-dots span:nth-child(2) { animation-delay: 0.2s; }
.message.thinking .message-content.thinking-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes thinking-bounce {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.5; }
  40% { transform: scale(1); opacity: 1; }
}

.chat-input-area {
  position: sticky;
  bottom: 0;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  padding: 1rem 0;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.chat-input-bar {
  display: flex;
  gap: 0.5rem;
  align-items: flex-end;
}

.chat-input-area textarea {
  flex: 1;
  min-width: 0;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-input);
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
  resize: none;
  min-height: 48px;
  max-height: 200px;
  overflow-y: auto;
  transition: min-height 0.15s ease;
}

.chat-input-area textarea::placeholder {
  color: var(--text-muted);
}

.chat-input-area textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.chat-input-actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-shrink: 0;
}

.chat-input-area .btn-primary {
  flex-shrink: 0;
  width: auto;
  padding: 0.75rem 1.5rem;
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  min-width: 36px;
  background: var(--border);
  color: var(--text);
  font-size: 1.25rem;
  line-height: 1;
}

.btn-icon:hover:not(:disabled) {
  background: var(--text-muted);
  color: var(--bg-card);
}

.btn-expand {
  display: none;
  width: 100%;
  padding: 0.6rem 1rem;
  text-align: left;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-muted);
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-expand:hover {
  background: var(--msg-user);
  color: var(--text);
}

.chat-suggested-prompts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-bottom: 0.5rem;
}

.chat-prompt-chip {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}

.chat-prompt-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.chat-input-area.minimized .chat-input-bar,
.chat-input-area.minimized .chat-attachments,
.chat-input-area.minimized .chat-suggested-prompts {
  display: none;
}

.chat-input-area.minimized .btn-expand {
  display: block;
}

.chat-attachments {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  padding: 0.5rem 0;
  min-height: 0;
}

.chat-attachment-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.5rem;
  background: var(--accent-light);
  border-radius: 6px;
  font-size: 0.8rem;
  color: var(--accent);
}

.chat-attachment-tag button {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0 0.15rem;
  font-size: 1rem;
  line-height: 1;
}

.chat-attachment-tag button:hover {
  color: var(--error);
}

/* Profile panel */
.profile-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 320px;
  max-width: 100%;
  height: 100vh;
  height: 100dvh;
  background: var(--bg-card);
  border-left: 1px solid var(--border);
  padding: 1.5rem;
  transform: translateX(100%);
  transition: transform 0.2s;
  z-index: 200;
  overflow-y: auto;
  box-shadow: -4px 0 12px rgba(0, 0, 0, 0.08);
}

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

.profile-panel h2 {
  font-size: 1.125rem;
  margin-bottom: 1rem;
  color: var(--text);
}

.profile-panel label {
  display: block;
  font-size: 0.875rem;
  margin-bottom: 0.25rem;
  color: var(--text-muted);
}

.profile-panel input {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-input);
  color: var(--text);
  margin-bottom: 1rem;
}

.profile-panel .btn {
  margin-right: 0.5rem;
  margin-top: 0.5rem;
}

.profile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  z-index: 199;
}

.profile-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.pending-admin-banner {
  padding: 0.75rem 1rem;
  background: var(--accent-light);
  color: var(--accent);
  text-align: center;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border);
}

.pending-admin-banner.hidden {
  display: none !important;
}

.hidden {
  display: none !important;
}

/* TOTP login step */
#totp-step .login-form {
  margin-top: 0;
}

#totp-code {
  font-size: 1.25rem;
  letter-spacing: 0.25em;
  text-align: center;
}

/* Profile 2FA section */
.profile-section {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.profile-section h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.profile-totp-status {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.profile-section .btn {
  margin-right: 0.5rem;
}

/* TOTP modal */
.totp-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  z-index: 300;
}

.totp-modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.totp-modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.95);
  width: 90%;
  max-width: 400px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  z-index: 301;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
}

.totp-modal.open {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, -50%) scale(1);
}

.totp-modal h3 {
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.totp-modal p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.totp-qr-container {
  display: flex;
  justify-content: center;
  padding: 1rem;
  background: var(--bg);
  border-radius: 8px;
  margin-bottom: 1rem;
}

.totp-qr-container img {
  max-width: 200px;
  height: auto;
}

.totp-secret-text {
  font-size: 0.8rem !important;
  word-break: break-all;
}

.totp-secret-text code {
  background: var(--bg);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-size: 0.75rem;
}

.totp-modal label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
  color: var(--text);
}

.totp-modal input {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-input);
  color: var(--text);
  font-size: 1rem;
  margin-bottom: 1rem;
}

.totp-modal input[inputmode="numeric"] {
  font-size: 1.25rem;
  letter-spacing: 0.25em;
  text-align: center;
}

.totp-modal-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

.totp-modal-actions .btn-primary {
  flex: 1;
  width: auto;
}

/* Responsive - mobile */
@media (max-width: 640px) {
  .chat-app,
  .chat-main {
    min-width: 0;
  }

  .login-page {
    padding: 1rem;
  }

  .login-card {
    padding: 1.5rem;
  }
  .chat-header {
    padding: 0.6rem 1rem;
  }

  .chat-header h1 {
    font-size: 1.1rem;
  }

  .chat-header-actions {
    gap: 0.35rem;
  }

  .chat-header .btn-outline {
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
  }

  .chat-main {
    padding: 0.75rem;
  }

  .chat-input-area {
    padding: 0.75rem 0;
  }

  .chat-input-bar {
    gap: 0.35rem;
  }

  .chat-input-area textarea {
    min-height: 44px;
    padding: 0.6rem 0.75rem;
  }

  .chat-input-area .btn-primary {
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
    min-height: 44px;
    touch-action: manipulation;
  }

  .btn-icon {
    width: 32px;
    height: 32px;
    min-width: 32px;
    font-size: 1.1rem;
  }

  .message {
    max-width: 90%;
  }

  .profile-panel {
    width: 100%;
  }

  /* Scroll-to-bottom: touch-friendly on phones */
  .chat-scroll-to-bottom {
    width: 44px;
    height: 44px;
    min-width: 44px;
    min-height: 44px;
    bottom: 1rem;
    right: 1rem;
    font-size: 1.1rem;
  }
}

/* Phone detection: small screens (cellular) */
@media (max-width: 375px) {
  .chat-header {
    padding: 0.5rem 0.75rem;
  }

  .chat-header h1 {
    font-size: 1rem;
  }

  .chat-header .btn-outline {
    padding: 0.4rem 0.6rem;
    font-size: 0.8rem;
  }

  .chat-main {
    padding: 0.5rem;
  }

  .chat-scroll-to-bottom {
    right: 0.5rem;
    bottom: 0.75rem;
  }

  .chatbot-scroll-to-bottom {
    right: 0.5rem;
    bottom: 0.5rem;
  }

  .login-card {
    padding: 1rem;
  }
}

/* Safe area for notched devices */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  .chat-input-area {
    padding-bottom: calc(1rem + env(safe-area-inset-bottom));
  }

  .chat-header {
    padding-top: calc(0.75rem + env(safe-area-inset-top));
  }
}