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

:root {
  --bg-primary: #fafafa;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f5f5f5;
  --bg-chat: #fafafa;
  --border-color: #e5e5e5;
  --text-primary: #1a1a1a;
  --text-secondary: #999999;
  --text-muted: #666666;
  --accent: #3d9040;
  --accent-hover: #337a36;
  --accent-glow: rgba(61, 144, 64, 0.1);
  --success: #3d9040;
  --error: #ff6b6b;
  --user-bg: rgba(61, 144, 64, 0.1);
  --assistant-bg: #ffffff;
  --radius: 14px;
  --radius-sm: 10px;
}

body {
  font-family:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  height: 100vh;
  overflow: hidden;
}

#app {
  display: flex;
  height: 100vh;
}

/* Sidebar */
#sidebar {
  width: 280px;
  min-width: 280px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.sidebar-header {
  padding: 24px 20px;
  border-bottom: 1px solid var(--border-color);
  background: transparent;
  flex-shrink: 0;
}

.sidebar-header h1 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.sidebar-header p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.4;
}

.sidebar-skills-section {
  padding: 16px 20px;
  flex: 1;
  overflow-y: auto;
}

.sidebar-skills-section h3 {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.sidebar-skills-section ul {
  list-style: none;
}

.sidebar-skills-section li {
  padding: 12px;
  font-size: 13px;
  color: var(--text-primary);
  background: var(--bg-tertiary);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  cursor: default;
  transition: all 0.2s;
}

.sidebar-skills-section li:hover {
  background: var(--bg-secondary);
  border-color: var(--border-color);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}

.skill-name {
  font-weight: 500;
}

.skill-desc {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 2px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 10;
  line-clamp: 10;
  overflow: hidden;
}

/* API Key */
.provider-select-wrapper {
  margin-bottom: 8px;
}

.provider-select-wrapper select {
  width: 100%;
  padding: 8px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: url('data:image/svg+xml;utf8,<svg fill="%23999" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/></svg>');
  background-repeat: no-repeat;
  background-position-x: 95%;
  background-position-y: center;
}

.api-key-form {
  display: block;
}

.api-key-form input {
  width: 100%;
  padding: 8px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  min-width: 0;
  transition: border-color 0.2s;
}

.api-key-form input:focus {
  border-color: var(--accent);
}

.api-key-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 12px;
  min-height: 32px;
}

.api-key-footer button {
  padding: 8px 16px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: all 0.2s;
  margin-left: auto;
}

.api-key-footer button:hover {
  background: var(--accent-hover);
  box-shadow: 0 0 12px var(--accent-glow);
}

.status-text {
  font-size: 12px;
  margin: 0;
}

.status-text.success {
  color: var(--success);
}
.status-text.warning {
  color: var(--accent);
}
.status-text.error {
  color: var(--error);
}

/* Chat Area */
#chat-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--bg-chat);
  height: 100%;
}

#welcome-view {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition:
    flex 0.6s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.4s ease,
    padding 0.6s ease;
}

#chat-view {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition:
    flex 0.6s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.6s ease;
}

.mode-welcome #welcome-view {
  flex: 1 1 50%;
  opacity: 1;
  padding: 20px 40px;
  pointer-events: auto;
}
.mode-chat #welcome-view {
  flex: 0 0 0%;
  opacity: 0;
  padding: 0;
  pointer-events: none;
}

.mode-welcome #chat-view {
  flex: 0 0 0%;
  opacity: 0;
  pointer-events: none;
}
.mode-chat #chat-view {
  flex: 1 1 100%;
  opacity: 1;
  pointer-events: auto;
}

#messages {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  padding-bottom: 30px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.message {
  max-width: 720px;
  width: 100%;
  padding: 16px 20px;
  border-radius: var(--radius);
  font-size: 14px;
  line-height: 1.6;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.message.user {
  background: var(--user-bg);
  margin-left: auto;
  border: 1px solid var(--border-color);
}

.message.assistant {
  margin-right: auto;
  background: transparent;
  border: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.message.assistant > .text-block,
.message.assistant > .error-text {
  background: var(--assistant-bg);
  border: 1px solid var(--border-color);
  padding: 16px 20px;
  border-radius: var(--radius);
}

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

.message.assistant .markdown-body {
  white-space: normal;
}

.message.error > .text-block,
.message.error > .error-text {
  background: rgba(255, 107, 107, 0.1);
  border: 1px solid rgba(255, 107, 107, 0.3);
  color: var(--error);
}

.welcome-message {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-secondary);
}

.welcome-message h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.welcome-message p {
  font-size: 14px;
}

/* Prompt Cards in Welcome Message */
.prompt-cards {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-top: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.prompt-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 20px;
  font-size: 14px;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.2s ease;
  flex: 1 1 calc(33.333% - 16px);
  min-width: 220px;
  max-width: calc(50% - 8px);
  text-align: left;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
  display: flex;
  align-items: center;
  line-height: 1.5;
}

.prompt-card:hover {
  border-color: var(--accent);
  box-shadow: 0 6px 16px var(--accent-glow);
  transform: translateY(-2px);
}

/* Input Area */
#input-area {
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  width: 100%;
  flex-shrink: 0;
}

.mode-welcome #input-area {
  margin: 0 auto;
  margin-bottom: 8vh;
  max-width: 800px;
  padding: 0 20px;
  background: transparent;
  border-top: 1px solid transparent;
}

.mode-chat #input-area {
  margin-bottom: 0;
  max-width: 100%;
  padding: 17px 32px 32px 32px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}

.input-container {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  background: var(--bg-chat);
  border: 1px solid var(--border-color);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.mode-welcome .input-container {
  border-radius: 24px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
  padding: 16px 20px;
  min-height: 64px;
}

.mode-welcome .input-container:focus-within {
  border-color: var(--accent);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.06),
    0 0 0 3px var(--accent-glow);
}

.mode-chat .input-container {
  border-radius: 14px;
  padding: 12px 12px 12px 17px;
  min-height: 58px;
  max-width: 800px;
  margin: 0 auto;
}

.mode-chat .input-container:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.powered-by {
  margin-top: 10px;
  text-align: center;
  font-size: 12px;
  line-height: 1.4;
  color: var(--text-secondary);
}

.powered-by a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

#user-input {
  flex: 1;
  padding: 6px 0;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 13px;
  font-family: inherit;
  resize: none;
  outline: none;
  max-height: 120px;
  line-height: 20px;
}

#user-input::placeholder {
  color: var(--text-secondary);
}

#send-btn {
  width: 32px;
  height: 32px;
  background: var(--accent);
  border: none;
  border-radius: 10px;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  flex-shrink: 0;
}

#send-btn:hover {
  background: var(--accent-hover);
  box-shadow: 0 0 16px var(--accent-glow);
  transform: scale(1.05);
}

#send-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

.tool-card ::-webkit-scrollbar {
  width: 6px;
  height: 3px;
}

/* Responsive */
@media (max-width: 768px) {
  #sidebar {
    width: 100%;
    min-width: unset;
    position: fixed;
    top: 0;
    left: -100%;
    z-index: 100;
    transition: left 0.3s;
  }
  #sidebar.open {
    left: 0;
  }
}

/* Tool Cards */
.tool-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  margin: 0;
  overflow: hidden;
  font-size: 13px;
  transition: all 0.3s ease;
}

.tool-card.collapsed .tool-content {
  display: none;
}

.tool-card.collapsed .tool-header {
  border-bottom: none;
}

.tool-header {
  padding: 0 16px;
  height: 36.5px;
  background: #f8f9fa;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
}

.tool-header:hover {
  background: #f1f3f5;
}

.tool-chevron {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: transform 0.3s ease;
}

.tool-card.collapsed .tool-chevron {
  transform: rotate(-90deg);
}

.tool-name {
  font-family: "Inter", sans-serif;
  font-weight: 500;
  color: var(--accent);
}

.tool-status {
  margin-left: auto;
  font-size: 14px;
}

@keyframes spin {
  100% {
    transform: rotate(360deg);
  }
}
.tool-status.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid var(--border-color);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.tool-input,
.tool-result {
  padding: 0;
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.tool-result {
  border-top: 1px solid var(--border-color);
  background: var(--bg-secondary);
}

.tool-card .markdown-body pre {
  background: transparent;
  margin: 0;
  padding: 16px;
  border: none;
  border-radius: 0;
}

.tool-card .markdown-body pre code {
  color: var(--text-primary);
}

.file-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  margin: 0;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  background: linear-gradient(135deg, #f9fafb 0%, #f1f4f7 100%);
  color: inherit;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.file-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(15, 23, 42, 0.08);
  border-color: rgba(0, 122, 255, 0.24);
}

.file-card-icon {
  flex: 0 0 auto;
  min-width: 46px;
  height: 46px;
  padding: 0 10px;
  border-radius: 12px;
  background: #0f172a;
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.file-card-copy {
  min-width: 0;
  flex: 1 1 auto;
}

.file-card-title {
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.35;
}

.file-card-meta {
  margin-top: 4px;
  color: var(--text-secondary);
  font-size: 12px;
  word-break: break-all;
}

.file-card-action {
  flex: 0 0 auto;
  padding: 8px 12px;
  border-radius: 999px;
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
}

/* Markdown Specifics */
.markdown-body pre {
  background: #f8f9fa;
  padding: 12px 16px;
  border-radius: 6px;
  overflow-x: auto;
  margin: 8px 0;
  border: 1px solid var(--border-color);
}
.markdown-body code {
  font-family: Menlo, Monaco, "Courier New", monospace;
  background: rgba(0, 0, 0, 0.05);
  padding: 2px 4px;
  border-radius: 4px;
  color: var(--text-primary);
}
.markdown-body pre code {
  background: transparent;
  padding: 0;
  font-size: 12px;
}
.markdown-body p {
  margin-bottom: 8px;
}
.markdown-body p:last-child {
  margin-bottom: 0;
}
.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4 {
  line-height: 1.3;
  margin: 20px 0 10px;
  font-weight: 700;
}
.markdown-body h1 {
  font-size: 28px;
}
.markdown-body h2 {
  font-size: 22px;
}
.markdown-body h3 {
  font-size: 18px;
}
.markdown-body h4 {
  font-size: 16px;
}
.markdown-body ul,
.markdown-body ol {
  margin: 10px 0 14px;
  padding-left: 22px;
}
.markdown-body li {
  margin: 6px 0;
}
.markdown-body blockquote {
  margin: 12px 0;
  padding-left: 14px;
  border-left: 3px solid var(--border-color);
  color: var(--text-muted);
}
.markdown-body hr {
  margin: 18px 0;
  border: 0;
  border-top: 1px solid var(--border-color);
}
.markdown-body a {
  color: var(--accent);
}
.markdown-body > :first-child {
  margin-top: 0;
}
.markdown-body > :last-child {
  margin-bottom: 0;
}

.embedded-markdown-preview {
  margin: 12px 0;
  padding: 16px 18px;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  background: #fcfcfc;
}

/* Loading Indicator */
.loading-indicator {
  display: none;
  align-items: center;
  gap: 4px;
  padding: 0 16px;
  margin-top: 4px;
}

.loading-indicator span {
  width: 6px;
  height: 6px;
  background-color: var(--text-secondary);
  border-radius: 50%;
  animation: bounce 1.4s infinite ease-in-out both;
}

.loading-indicator span:nth-child(1) {
  animation-delay: -0.32s;
}
.loading-indicator span:nth-child(2) {
  animation-delay: -0.16s;
}

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

/* Thinking Block */
.thinking-content {
  padding: 12px 16px;
  background: var(--bg-tertiary);
  border-top: 1px solid var(--border-color);
}

.thinking-content p {
  margin-bottom: 8px;
}
.thinking-content p:last-child {
  margin-bottom: 0;
}

/* ---- Sidebar Action Buttons ---- */
.sidebar-actions-group {
  padding: 24px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-shrink: 0;
}

.action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s ease;
  font-family: inherit;
}

/* Default (not connected) state — outline style */
.action-btn.chatapps-btn {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}
.action-btn.chatapps-btn:hover {
  border-color: var(--accent);
  background: var(--bg-secondary);
  box-shadow: 0 4px 12px rgba(0,0,0,0.04);
  transform: translateY(-1px);
}

/* Connected state — green filled */
.action-btn.chatapps-btn.connected {
  background: var(--accent);
  border: 1px solid var(--accent);
  color: #fff;
  opacity: 0.85;
}
.action-btn.chatapps-btn.connected:hover {
  opacity: 1;
  box-shadow: 0 4px 16px var(--accent-glow);
  transform: translateY(-1px);
}
.action-btn.chatapps-btn.connected .action-btn-icon {
  stroke: #fff;
}

/* API Key button — always outline style */
.action-btn.apikey-btn {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}
.action-btn.apikey-btn:hover {
  border-color: var(--accent);
  background: var(--bg-secondary);
  box-shadow: 0 4px 12px rgba(0,0,0,0.04);
  transform: translateY(-1px);
}

/* API Key configured state */
.action-btn.apikey-btn.connected {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--bg-secondary);
}
.action-btn.apikey-btn.connected .action-btn-icon {
  stroke: var(--accent);
}

.action-btn-icon {
  flex-shrink: 0;
}

/* ---- Compact Modal Variant ---- */
.compact-modal {
  width: 440px;
}

.settings-modal {
  margin: auto;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  background: var(--bg-secondary);
  width: 520px;
  max-width: 90vw;
  box-shadow: 0 20px 40px rgba(0,0,0,0.1), 0 0 0 1px var(--border-color);
  font-family: inherit;
  color: var(--text-primary);
  opacity: 0;
  transform: scale(0.95) translateY(10px);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
#chatapps-dialog {
  width: 580px;
}
.settings-modal[open] {
  opacity: 1;
  transform: scale(1) translateY(0);
}
.settings-modal::backdrop {
  background: rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.settings-modal[open]::backdrop {
  opacity: 1;
}

.settings-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 24px 12px 24px;
  background: transparent;
  border-top-left-radius: 16px;
  border-top-right-radius: 16px;
}
.settings-modal-header h2 { font-size: 18px; font-weight: 600; margin: 0; color: var(--text-primary); letter-spacing: -0.01em; }
.close-btn { 
  background: var(--bg-tertiary); 
  border: 1px solid var(--border-color); 
  border-radius: 8px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px; 
  cursor: pointer; 
  color: var(--text-secondary); 
  transition: all 0.2s ease;
}
.close-btn:hover { 
  background: var(--bg-primary);
  color: var(--text-primary);
  border-color: var(--text-secondary);
}

.settings-sections {
  padding: 24px;
  max-height: calc(85vh - 140px);
  overflow-y: auto;
}
.chatapps-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  padding: 6px;
  border-radius: 16px;
  background: var(--bg-tertiary);
  margin-bottom: 16px;
}
.chatapps-tab {
  border: none;
  border-radius: 12px;
  padding: 12px 14px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}
.chatapps-tab:hover {
  color: var(--text-primary);
}
.chatapps-tab.active {
  background: var(--bg-primary);
  color: var(--text-primary);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.08);
}
.chatapps-panel {
  padding: 0;
}
.chatapps-panel[hidden] {
  display: none;
}
.chatapps-guide-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  background: var(--bg-tertiary);
  margin-bottom: 16px;
}
.chatapps-guide-card-static {
  justify-content: flex-start;
}
.chatapps-guide-text {
  margin: 0;
  color: var(--text-secondary);
  font-size: 12px;
  line-height: 1.6;
}
.chatapps-guide-btn {
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 14px;
  cursor: pointer;
  transition: all 0.2s ease;
}
.chatapps-guide-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
@media (max-width: 640px) {
  .chatapps-tabs {
    grid-template-columns: 1fr;
  }

  .chatapps-guide-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .chatapps-guide-btn {
    width: 100%;
  }
}
.settings-section {
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border-color);
}
.settings-section:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}
.section-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 0;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  opacity: 0.8;
}

.form-group { margin-bottom: 16px; }
.form-group:last-child { margin-bottom: 0; }
.form-group label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 8px; color: var(--text-primary); }
.form-input {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 14px;
  outline: none;
  color: var(--text-primary);
  transition: all 0.2s ease;
}
.form-input:focus { 
  border-color: var(--accent); 
  background: var(--bg-secondary);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

/* Specific to provider-select in Settings Modal to match form-input */
.settings-modal .provider-select-wrapper select {
  padding: 12px 14px;
  font-size: 14px;
  transition: all 0.2s ease;
}
.settings-modal .provider-select-wrapper select:focus {
  border-color: var(--accent);
  background: var(--bg-secondary);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.settings-modal-footer {
  padding: 28px 24px 24px 24px;
  background: transparent;
  border-bottom-left-radius: 16px;
  border-bottom-right-radius: 16px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 12px;
  position: relative;
}

.settings-modal-footer .status-text {
  position: absolute;
  top: 8px;
  right: 24px;
  text-align: right;
  margin: 0;
  max-width: calc(100% - 48px);
}
.secondary-btn {
  padding: 10px 20px;
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
}
.secondary-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.primary-btn {
  padding: 10px 20px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
}
.primary-btn:hover { 
  background: var(--accent-hover); 
  box-shadow: 0 4px 12px var(--accent-glow);
  transform: translateY(-1px);
}
.primary-btn:active {
  transform: translateY(0);
}
.primary-btn:disabled,
.secondary-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}
.label-hint {
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 400;
  margin-left: 4px;
}

/* OAuth UI */
#apikey-oauth-section {
  padding: 8px 0;
}

.oauth-status-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 16px;
  margin-bottom: 16px;
}

#oauth-status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 8px;
}

.oauth-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.oauth-disconnected .oauth-status-dot {
  background-color: #94a3b8;
}

.oauth-connected .oauth-status-dot {
  background-color: #22c55e;
}

.oauth-disconnected #oauth-status-text {
  color: var(--text-secondary);
}

.oauth-connected #oauth-status-text {
  color: #16a34a;
}

.oauth-hint {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}

.oauth-btn {
  width: 100%;
  margin-top: 8px;
}

.oauth-btn svg {
  margin-right: 8px;
}