/* ── image-preview.css                        Image preview lightbox dialog ── */
.image-preview-dialog {
  width: min(92vw, 960px);
  max-width: none;
  padding: 0;
  color: var(--text);
  background: transparent;
  border: 0;
  overflow: visible;
}

.image-preview-dialog::backdrop {
  background: rgba(15, 17, 21, 0.72);
  backdrop-filter: blur(4px);
}

.image-preview-shell {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 12px;
  background: var(--dialog-bg, #fff);
  border: 1px solid var(--outline);
  border-radius: 12px;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
}

.image-preview-close {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--outline);
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.12s, color 0.12s;
}

.image-preview-close:hover {
  color: var(--accent-text);
  background: var(--blue-container, #e8f0fe);
}

.image-preview-media {
  display: block;
  max-width: min(88vw, 900px);
  max-height: min(78vh, 720px);
  object-fit: contain;
  border-radius: 8px;
}

.image-preview-caption {
  margin: 0;
  max-width: 100%;
  overflow: hidden;
  color: var(--text-secondary, var(--muted));
  font-size: 11px;
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.image-preview-caption.hidden {
  display: none;
}

.composer-hint {
  color: #9aa0a6;
  font-size: 11px;
}

.composer-hint kbd {
  padding: 1px 5px;
  font-family: var(--font-mono);
  font-size: 10px;
  background: #eef0f2;
  border: 1px solid #dadce0;
  border-radius: 4px;
}

.composer-send {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  color: var(--accent-foreground);
  background: var(--accent);
  border: 0;
  border-radius: 10px;
  box-shadow: none;
}

.composer-send:hover:not(:disabled) {
  filter: brightness(1.05);
}

.composer-send.is-stop {
  color: #000;
  background: #fff;
  border: 1.5px solid #c4c7c5;
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(60, 64, 67, 0.18);
}

.composer-send.is-stop:hover:not(:disabled) {
  filter: none;
  background: #f8f9fa;
  border-color: #9aa0a6;
  box-shadow: 0 2px 5px rgba(60, 64, 67, 0.2);
}

.composer-stop-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
}

.composer-stop-icon svg {
  display: block;
  width: 16px;
  height: 16px;
}

.composer-send:disabled {
  opacity: 0.4;
  cursor: default;
  box-shadow: none;
}

.composer-send .material-icon {
  font-size: 18px;
}

.system-action-card {
  margin-bottom: 12px;
  padding: 10px 12px 12px;
  background: #fff;
  border: 1px solid #e8eaed;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(60, 64, 67, 0.05);
  animation: card-in 0.25s ease;
}

.system-action-card.success {
  border-color: #ceead6;
  background: linear-gradient(180deg, #f8fcf9 0%, #fff 100%);
}

.system-action-card.error {
  border-color: #fad2cf;
  background: linear-gradient(180deg, #fff8f7 0%, #fff 100%);
}

.system-action-card.info {
  border-color: #e8eaed;
}

.system-action-head {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.system-action-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 8px;
}

.system-action-icon.import {
  color: #174ea6;
  background: #e8f0fe;
}

.system-action-icon.save {
  color: #137333;
  background: #e6f4ea;
}

.system-action-icon.delete {
  color: #b3261e;
  background: #fce8e6;
}

.system-action-icon.success {
  color: #137333;
  background: #e6f4ea;
}

.system-action-icon.error {
  color: #b3261e;
  background: #fce8e6;
}

.system-action-icon.info {
  color: #174ea6;
  background: #e8f0fe;
}

.system-action-icon .codicon {
  font-size: 15px !important;
}

.system-action-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  flex: 1;
}

.system-action-copy strong {
  color: var(--text);
  font: 600 12px/1.3 var(--font-display);
}

.system-action-copy span,
.system-action-detail {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.45;
}

.system-action-path {
  display: block;
  overflow: hidden;
  color: #3c4043 !important;
  font-family: var(--font-mono);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.system-action-badge {
  flex-shrink: 0;
  padding: 3px 8px;
  border-radius: 999px;
  font: 700 9px/1 var(--font-body);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.system-action-badge.success {
  color: #137333;
  background: #e6f4ea;
}

.system-action-badge.error {
  color: #b3261e;
  background: #fce8e6;
}

.system-action-badge.info {
  color: #174ea6;
  background: #e8f0fe;
}

.system-action-detail {
  margin: 8px 0 0 38px;
}

.system-action-link {
  display: inline-flex;
  align-items: center;
  margin: 8px 0 0 38px;
  padding: 0;
  color: var(--accent-text);
  background: transparent;
  border: 0;
  font: 600 11px/1 var(--font-body);
  cursor: pointer;
}

.system-action-link:hover {
  text-decoration: underline;
}

/* ── confirm.css                              Confirm + prompt dialogs ── */
.editor-area {
  display: grid;
  grid-template-columns: 48px 1fr;
  height: 100%;
}

.editor-stack {
  position: relative;
  min-width: 0;
  height: 100%;
  overflow: hidden;
}

.code-highlight,
#codeEditor {
  position: absolute;
  inset: 0;
  margin: 0;
  padding: 16px;
  overflow: auto;
  font: 500 13px/1.6 var(--font-mono);
  tab-size: 2;
  white-space: pre;
  word-wrap: normal;
}

.code-highlight {
  pointer-events: none;
  color: var(--text);
  background: var(--editor-bg);
}

.code-highlight code {
  display: block;
  min-height: 100%;
  font: inherit;
}

#codeEditor {
  width: 100%;
  height: 100%;
  color: transparent;
  caret-color: var(--caret);
  background: transparent;
  border: 0;
  outline: 0;
  resize: none;
}

.toolbar-cluster {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.toolbar-cluster-actions {
  display: inline-flex;
  align-items: stretch;
  gap: 8px;
}

.toolbar-cluster-view,
.view-tabs {
  display: inline-flex;
  align-items: stretch;
  gap: 2px;
  height: var(--toolbar-control-h, 32px);
  padding: 3px;
  background: var(--surface-2);
  border: 1px solid var(--outline);
  border-radius: 8px;
  box-sizing: border-box;
}

.view-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 68px;
  padding: 0 12px;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-radius: 6px;
  font: 500 11px/1 var(--font-display);
  cursor: pointer;
  transition: color 0.12s, background 0.12s;
}

.view-tab:hover:not(.active) {
  color: var(--text);
  background: var(--hover-overlay);
}

.view-tab.active {
  color: var(--accent-text);
  background: var(--surface);
  box-shadow: 0 1px 2px rgba(60, 64, 67, 0.1);
}

.preview-frame {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  border: 0;
  background: #fff;
}

.file-preview-area {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 24px;
  overflow: auto;
  background: var(--editor-bg);
}

.file-preview-media {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(60, 64, 67, 0.15);
}

.file-preview-media.file-preview-pdf {
  width: 100%;
  height: 100%;
  min-height: 480px;
  border: 0;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(60, 64, 67, 0.15);
}

.file-preview-fallback {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  max-width: 360px;
  text-align: center;
}

.file-preview-fallback-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--surface-2);
  color: var(--muted);
}

.file-preview-fallback-icon .codicon {
  font-size: 28px;
}

.file-preview-fallback h2 {
  margin: 0;
  font: 500 16px/1.3 var(--font-display);
  color: var(--text);
  word-break: break-all;
}

.file-preview-fallback p {
  margin: 0;
  font: 400 13px/1.5 var(--font-body);
  color: var(--muted);
}

.file-preview-fallback-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 4px;
}

.preview-loading {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 32px;
  text-align: center;
  color: var(--muted);
  background: var(--editor-bg);
}

.spinner-gif {
  width: 5rem;
  height: 5rem;
  object-fit: contain;
  mix-blend-mode: multiply;
}

[data-theme="dark"] .spinner-gif {
  mix-blend-mode: screen;
  filter: invert(1);
}

/* Transparent CSS ring spinner — no background, works in all themes */
.ring-spinner {
  animation: spin 0.75s linear infinite;
  display: block;
}
.ring-spinner circle {
  fill: none;
  stroke: var(--blue);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-dasharray: 100;
  stroke-dashoffset: 72;
}

/* Size overrides per context */
.global-loading-content .ring-spinner {
  width: 52px;
  height: 52px;
}

.preview-error {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 32px;
  text-align: center;
  color: var(--muted);
  background: var(--editor-bg);
}

.preview-error-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  margin-bottom: 4px;
  color: #b45309;
  background: #fffbeb;
  border-radius: 16px;
}

.preview-error-icon .codicon {
  font-size: 32px !important;
}

.preview-error h2 {
  margin: 0;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
}

.preview-error p {
  max-width: 360px;
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.5;
}

.preview-error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 4px;
}

.explorer-error {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  margin: 12px 10px;
  padding: 12px;
  background: #fef7f6;
  border: 1px solid #fad2cf;
  border-radius: 10px;
}

.explorer-error-icon {
  color: #b3261e;
  font-size: 18px !important;
}

.explorer-error-copy {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.explorer-error-copy strong {
  color: #b3261e;
  font-size: 12px;
  font-weight: 600;
}

.explorer-error-copy span {
  color: #5f6368;
  font-size: 11px;
  line-height: 1.45;
}

.explorer-error-retry {
  height: 28px;
  padding: 0 10px;
  color: #b3261e;
  background: #fff;
  border: 1px solid #fad2cf;
  border-radius: 6px;
  font: 600 11px/1 var(--font-body);
  cursor: pointer;
}

.explorer-error-retry:hover {
  background: #fff5f4;
}

.material-button,
.composer-send,
.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 0;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 500;
}

.material-button {
  height: 36px;
  padding: 0 14px;
  font-size: 13px;
}

.material-button.tonal {
  color: #174ea6;
  background: var(--blue-container);
}

.material-button.filled {
  color: #fff;
  background: var(--blue);
}

.material-button.text {
  color: var(--blue);
  background: transparent;
}

.material-button:disabled,
.composer-send:disabled {
  opacity: .45;
  cursor: default;
}

.icon-button {
  width: 32px;
  height: 32px;
  color: var(--muted);
  background: var(--surface-2);
}

.icon-button.small {
  width: 28px;
  height: 28px;
}

/* ── settings.css                             Settings dialog ── */
.settings-dialog {
  width: min(520px, calc(100vw - 32px));
  padding: 0;
  color: var(--text);
  background: #fff;
  border: 1px solid var(--outline);
  border-radius: 16px;
  box-shadow: 0 16px 48px rgba(60, 64, 67, 0.18), 0 4px 16px rgba(60, 64, 67, 0.08);
}

.confirm-dialog {
  width: min(440px, calc(100vw - 32px));
  padding: 0;
  color: var(--text);
  background: #fff;
  border: 1px solid var(--outline);
  border-radius: 16px;
  box-shadow: 0 16px 48px rgba(60, 64, 67, 0.18), 0 4px 16px rgba(60, 64, 67, 0.08);
}

.settings-dialog::backdrop,
.confirm-dialog::backdrop {
  background: rgba(32, 33, 36, 0.42);
  backdrop-filter: blur(2px);
}

.settings-card,
.confirm-card {
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 0;
}

.settings-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  border-bottom: 1px solid #f0f1f3;
}

.settings-header-main {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.settings-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #000;
  background: transparent;
  border: 0;
  box-shadow: none;
  padding: 0;
}

.settings-header h2 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.settings-subtitle {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.settings-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.12s, color 0.12s;
}

.settings-close:hover {
  color: var(--text);
  background: var(--surface-2);
}

.settings-close .material-icon {
  font-size: 20px;
}

.settings-body {
  padding: 18px 20px 6px;
}

.settings-note {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 16px;
  padding: 10px 12px;
  color: #5f6368;
  background: #f8f9ff;
  border: 1px solid #e8ebfa;
  border-radius: 10px;
  font-size: 12px;
  line-height: 1.5;
}

.settings-note .material-icon {
  flex-shrink: 0;
  margin-top: 1px;
  color: var(--accent);
  font-size: 18px;
}

.settings-note p {
  margin: 0;
}

.settings-fields {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.settings-field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.settings-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.settings-label {
  color: #5f6368;
  font: 600 10px/1 var(--font-display);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.settings-field input,
.settings-field select {
  width: 100%;
  height: 40px;
  padding: 0 12px;
  color: var(--text);
  background: #fff;
  border: 1px solid var(--outline);
  border-radius: 10px;
  font: 400 13px/1 var(--font-body);
  outline: 0;
  transition: border-color 0.12s, box-shadow 0.12s;
}

.settings-field input::placeholder {
  color: #9aa0a6;
}

.settings-field input:focus,
.settings-field select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--hover-overlay-strong);
}

.settings-field select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%235f6368' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 34px;
}

.settings-hint {
  color: #9aa0a6;
  font-size: 11px;
  line-height: 1.4;
}

.settings-hint code {
  padding: 1px 4px;
  font-family: var(--font-mono);
  font-size: 10px;
  background: #f1f3f4;
  border-radius: 4px;
}

.settings-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 14px 20px 18px;
  background: #fafbfc;
  border-top: 1px solid #f0f1f3;
  border-radius: 0 0 16px 16px;
}

.confirm-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  border-bottom: 1px solid #f0f1f3;
}

.confirm-header-main {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.confirm-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.confirm-icon svg {
  display: block;
  width: 32px;
  height: 32px;
}

.confirm-icon-danger {
  color: #d93025;
}

.confirm-icon-warning {
  color: #b45309;
}

.confirm-icon-warning .codicon {
  font-size: 28px !important;
}

.confirm-header h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.confirm-subtitle {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.confirm-body {
  padding: 18px 20px 6px;
}

.confirm-body p {
  margin: 0;
  color: #3c4043;
  font-size: 14px;
  line-height: 1.55;
}

.confirm-body strong {
  color: var(--text);
  font-weight: 600;
}

.prompt-dialog {
  width: min(480px, calc(100vw - 32px));
}

.prompt-icon .codicon {
  font-size: 28px !important;
  color: var(--accent-text);
}

.prompt-body {
  padding-bottom: 12px;
}

.prompt-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.prompt-input,
.prompt-textarea {
  width: 100%;
  padding: 10px 12px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--outline);
  border-radius: 10px;
  font: 400 13px/1.4 var(--font-mono);
  outline: 0;
  transition: border-color 0.12s, box-shadow 0.12s;
}

.prompt-textarea {
  min-height: 88px;
  resize: vertical;
  line-height: 1.45;
}

.prompt-input:focus,
.prompt-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(66, 133, 244, 0.18);
}

.prompt-input.is-invalid,
.prompt-textarea.is-invalid {
  border-color: #d93025;
  box-shadow: 0 0 0 2px rgba(217, 48, 37, 0.14);
}

.material-button.filled.danger {
  background: #d93025;
}

.material-button.filled.danger:hover {
  background: #b3261e;
}

.material-button.filled.warning {
  color: #fff;
  background: #b45309;
}

.material-button.filled.warning:hover {
  background: #92400e;
}







.rollback-warning {
  margin: 12px 0 0;
  color: #b45309;
  font-size: 13px;
  line-height: 1.45;
}

@media (max-width: 520px) {
  .settings-field-row {
    grid-template-columns: 1fr;
  }
}

@keyframes pulse {
  0%, 100% { opacity: .45; }
  50% { opacity: 1; }
}

@media (max-width: 1100px) {
  .workspace {
    grid-template-columns: 64px 240px minmax(0, 1fr) minmax(0, 340px);
  }
}

@media (max-width: 960px) {
  .workspace {
    grid-template-columns: 64px minmax(0, 1fr);
  }

  .sidebar-panel,
  .agent-panel {
    display: none;
  }
}

/* ── Theme toggle ── */

/* Todo Card */
.todo-card {
  background: var(--surface-1);
  border: 1px solid var(--outline);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.todo-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  user-select: none;
}
.todo-header-icon {
  font-size: 14px;
  color: var(--muted);
}
.todo-count {
  font-weight: normal;
  color: var(--muted);
  font-size: 12px;
}
.todo-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  line-height: 1.4;
  color: var(--text);
  padding: 2px 0;
}
.todo-item-icon {
  font-size: 14px;
  margin-top: 2px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.todo-item.pending .todo-item-icon {
  color: var(--muted);
  opacity: 0.5;
}
.todo-item.active .todo-item-icon {
  color: var(--text);
}
.todo-item.done .todo-item-icon {
  color: var(--muted);
}
.todo-item.done .todo-item-text {
  text-decoration: line-through;
  color: var(--muted);
}

.active-plan-container {
  padding: 8px 0 0;
  margin-bottom: -4px;
}


/* ── Dark theme component overrides ── */

[data-theme="dark"] .top-app-bar {
  box-shadow: none;
}



[data-theme="dark"] .project-dropdown-group + .project-dropdown-group {
  border-top-color: var(--outline);
}


[data-theme="dark"] .tree-badge {
  background: var(--hover-overlay-strong);
}

[data-theme="dark"] .tree-action-btn:hover {
  background: var(--hover-overlay);
}

[data-theme="dark"] .file-tab .tab-dirty {
  background: var(--accent);
}