/* === File Browser === */
.modal.file-browser-modal {
  width: 90vw;
  max-width: 1600px;
  height: 80vh;
  max-height: calc(100vh - 2 * var(--overlay-padding-top, 10vh));
  display: flex;
  flex-direction: column;
}

.file-browser-split {
  display: flex;
  flex: 1;
  overflow: hidden;
}

.file-browser-sidebar {
  width: 260px;
  min-width: 260px;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg);
}

.file-browser-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
  min-height: 0;
}

/* File Browser Component */
.file-browser {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
}

.file-browser-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  min-height: 44px;
}

.file-browser-up {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  background: none;
  border: none;
  color: var(--todo);
  font-size: 12px;
  cursor: pointer;
  border-radius: var(--radius);
  transition: background var(--transition-fast);
}

.file-browser-up:hover {
  background: var(--card-hover);
}

.file-browser-path {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-left: auto;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-browser-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
}

.file-browser-empty {
  padding: var(--space-xl);
  text-align: center;
  color: var(--text-dim);
  font-size: 13px;
  font-style: italic;
}

.file-browser-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding: 40px;
  color: var(--text-muted);
  flex: 1;
}

.file-browser-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-xl);
  text-align: center;
  color: var(--color-error);
  flex: 1;
}

.file-browser-error p {
  margin: 0;
}

/* File Node */
.file-node {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  cursor: pointer;
  transition: background var(--transition-fast);
  font-size: 13px;
}

.file-node:hover {
  background: var(--card-hover);
}

.file-node--directory {
  color: var(--todo);
}

.file-node--file {
  color: var(--text);
}

.file-node-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--text-muted);
}

.file-node--directory .file-node-icon {
  color: var(--todo);
}

.file-node-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
}

.file-node-size {
  font-size: 11px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  flex-shrink: 0;
}

.file-node-time {
  color: var(--text-dim);
  font-family: var(--font-mono);
  flex-shrink: 0;
  margin-left: 8px;
}

/* File Browser Context Menu */
.context-menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
}

.file-browser-context-menu {
  position: fixed;
  min-width: 180px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-xs);
  display: flex;
  flex-direction: column;
  gap: 2px;
  z-index: 1001;
}

.file-browser-context-menu__item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 13px;
  text-align: left;
  cursor: pointer;
  width: 100%;
  transition: background var(--transition-fast);
}

.file-browser-context-menu__item:hover {
  background: var(--card-hover);
}

.file-browser-context-menu__item-icon {
  color: var(--text-muted);
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.file-browser-context-menu__disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.file-browser-context-menu__disabled:hover {
  background: none;
}

/* Delete action gets danger styling */
.file-browser-context-menu__item--danger:hover {
  background: rgba(248, 81, 73, 0.1);
  color: var(--color-error);
}

.file-browser-context-menu__item--danger .file-browser-context-menu__item-icon {
  color: var(--color-error);
}

.file-browser-context-menu__divider {
  height: 1px;
  background: var(--border);
  margin: var(--space-xs) var(--space-sm);
}

/* File Browser Operation Dialog */
.file-browser-dialog {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  max-width: 420px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-lg);
  z-index: 1001;
}

.file-browser-dialog-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: var(--space-sm);
}

.file-browser-dialog-message {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
  line-height: 1.5;
}

.file-browser-dialog-info {
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: var(--space-md);
  font-family: var(--font-mono);
  word-break: break-all;
  padding: var(--space-sm) var(--space-md);
  background: var(--card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.file-browser-dialog-input {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 13px;
  font-family: var(--font-mono);
  outline: none;
  box-sizing: border-box;
  margin-bottom: var(--space-md);
}

.file-browser-dialog-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 25%, transparent);
}

.file-browser-dialog-error {
  font-size: 12px;
  color: var(--color-error);
  margin-bottom: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: rgba(248, 81, 73, 0.1);
  border-radius: var(--radius-sm);
  line-height: 1.4;
}

.file-browser-dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
}

/* File Editor Toolbar */
.file-browser-toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  min-height: 44px;
  flex-wrap: wrap;
}

.file-path {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  font-family: var(--font-mono);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-mtime {
  font-size: calc(var(--space-sm) + var(--space-xs) * 0.75);
  color: var(--text-muted);
  flex-shrink: 0;
}

.file-actions {
  display: flex;
  gap: var(--space-sm);
  flex-shrink: 0;
}

.file-actions .btn {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* File Editor Container */
.file-editor-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg);
  min-height: 0;
}

.file-editor-container .cm-editor {
  height: 100%;
}

/* File Editor Toolbar */
.file-editor-toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-lg);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  flex-shrink: 0;
}

.file-editor-mode-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.file-editor-mode-toggle .btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* File Editor Preview */
.file-editor-preview {
  flex: 1;
  height: 100%;
  min-height: 0;
  overflow-y: auto;
  padding: var(--space-lg);
}

/* Textarea-based file editor */
.file-editor-textarea {
  flex: 1;
  min-height: 0;
  width: 100%;
  min-width: 100%;
  height: 100%;
  box-sizing: border-box;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.5;
  padding: var(--space-lg);
  border: none;
  outline: none;
  resize: none;
  overflow: auto;
  white-space: pre;
  overflow-wrap: normal;
  tab-size: 2;
}

.file-editor-textarea.file-editor-textarea--wrap {
  white-space: pre-wrap;
  overflow-wrap: break-word;
}

.file-editor-textarea:focus {
  outline: 1px solid var(--border);
  outline-offset: -1px;
}

.file-editor-textarea::selection {
  background: var(--todo);
  color: var(--bg);
}

/* File States */
.file-error {
  padding: var(--space-md) var(--space-lg);
  background: rgba(248, 81, 73, 0.1);
  border-left: 3px solid var(--color-error);
  color: var(--color-error);
  font-size: 13px;
  margin: var(--space-md) var(--space-lg);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.file-binary-notice {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 14px;
  font-style: italic;
}

.file-loading {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 14px;
}

.file-placeholder {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  color: var(--text-muted);
  font-size: 14px;
}

.placeholder-icon {
  color: var(--text-dim);
  opacity: 0.5;
}

/* Keyboard Hints */
.keyboard-hints {
  font-size: 11px;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-right: auto;
}

.keyboard-hints kbd {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 2px 6px;
  font-size: 10px;
  font-family: var(--font-mono);
}

/* === File Browser Mobile Responsive === */
@media (max-width: 768px) {
  .file-browser-modal {
    width: 100%;
    max-width: 100%;
    height: 100vh;
    height: 100dvh;
    max-height: 100vh;
    max-height: 100dvh;
    border-radius: 0;
    border: none;
  }

  .file-browser-split {
    flex-direction: column;
  }

  .file-browser-sidebar {
    width: 100%;
    min-width: 0;
    max-height: 40vh;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .file-browser-toolbar {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: 10px 14px;
  }

  .file-path {
    max-width: 100%;
  }

  .file-actions {
    width: 100%;
    justify-content: flex-end;
  }

  .keyboard-hints {
    display: none;
  }

  .changed-files-modal {
    width: 100%;
    max-width: 100%;
    height: 100vh;
    height: 100dvh;
    max-height: 100vh;
    max-height: 100dvh;
    border-radius: 0;
    border: none;
  }
}

.file-browser-split {
  display: flex;
  flex: 1;
  overflow: hidden;
}



/* === File Browser === */
.modal.file-browser-modal {
  width: 90vw;
  max-width: 1600px;
  height: 80vh;
  max-height: calc(100vh - 2 * var(--overlay-padding-top, 10vh));
}

.file-browser-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.file-browser-header-title {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 15px;
  font-weight: 600;
  min-width: 0;
  flex: 1 1 auto;
}

.file-browser-header-title > span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-browser-header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.file-browser-modal-header .modal-close {
  position: static;
}

.file-browser-header-path {
  color: var(--text-muted);
  font-weight: 400;
  font-size: 13px;
  margin-left: 8px;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-browser-body {
  display: flex;
  flex: 1;
  overflow: hidden;
}

.file-browser-sidebar {
  width: 280px;
  min-width: 280px;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  background: var(--surface);
}

.file-browser-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
  min-height: 0;
}

.file-browser {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.file-browser-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.file-browser-up {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  background: none;
  border: none;
  color: var(--todo);
  cursor: pointer;
  font-size: 12px;
  padding: var(--space-xs);
}

.file-browser-up:hover {
  text-decoration: underline;
}

.file-browser-path {
  font-size: 12px;
  color: var(--text-muted);
  margin-left: auto;
}

.file-browser-list {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 4px 0;
  min-height: 0;
}

.file-browser-empty {
  padding: var(--space-xl);
  text-align: center;
  color: var(--text-muted);
  font-style: italic;
}

.file-browser-loading,
.file-browser-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-xl);
  height: 100%;
  color: var(--text-muted);
}

.file-node {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  font-size: 13px;
  transition: background var(--transition-fast);
}

.file-node:hover {
  background: var(--card-hover);
}

.file-node-icon {
  color: var(--text-muted);
  display: flex;
  align-items: center;
}

.file-node--directory .file-node-icon {
  color: var(--todo);
}

.file-node-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
}

.file-node-size,
.file-node-time {
  font-size: 11px;
  color: var(--text-dim);
  white-space: nowrap;
}

.file-browser-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  gap: var(--space-md);
}

.file-browser-file-info {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: 13px;
}

.file-browser-mtime {
  font-size: calc(var(--space-sm) + var(--space-xs) * 0.75);
  color: var(--text-muted);
}

.file-browser-binary-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: calc(var(--space-sm) + var(--space-xs) * 0.75);
  color: var(--text-muted);
  background: var(--bg-tertiary);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}

.file-browser-loading {
  font-size: 11px;
  color: var(--todo);
}

.file-browser-actions {
  display: flex;
  gap: var(--space-sm);
}

.file-browser-error-banner {
  background: rgba(248, 81, 73, 0.1);
  color: var(--color-error);
  padding: var(--space-sm) var(--space-lg);
  font-size: 13px;
  border-bottom: 1px solid var(--border);
}

.file-editor-wrapper {
  flex: 1;
  overflow: hidden;
  background: var(--bg);
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.file-browser-image-preview {
  flex: 1;
  overflow: auto;
  background: var(--bg);
  min-width: 0;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.file-browser-image {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.file-browser-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-lg);
  border-top: 1px solid var(--border);
  background: var(--surface);
  font-size: 12px;
  color: var(--text-muted);
}

.file-browser-unsaved {
  color: var(--triage);
  font-weight: 500;
}

.file-browser-placeholder {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  color: var(--text-muted);
}

.file-browser-placeholder p {
  font-size: 14px;
  opacity: 0.7;
}

/* Mobile responsive */
@media (max-width: 768px) {
  /* On mobile the file browser is presented as a full-screen sheet — drop
     the overlay's default top padding so the modal actually fills the
     viewport instead of being pushed below it. */
  .modal-overlay:has(.file-browser-modal) {
    padding-top: 0;
    align-items: stretch;
    justify-content: stretch;
  }

  .modal.file-browser-modal {
    width: 100vw;
    height: 100dvh;
    max-width: 100vw;
    max-height: 100dvh;
    margin: 0;
    border: none;
    border-radius: 0;
  }

  .file-browser-body {
    flex-direction: column;
  }

  .file-browser-modal-header {
    overflow: hidden;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: var(--space-sm);
  }

  .file-browser-header-title {
    overflow: hidden;
    min-width: 0;
    flex: 1;
  }

  .file-browser-header-path {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 50vw;
  }

  .file-browser-header-actions {
    flex-shrink: 0;
    justify-content: flex-end;
  }

  .file-browser-modal-header .modal-close {
    padding: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .file-browser-sidebar {
    width: 100%;
    height: 40%;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  /* Mobile two-state view: show only list or editor at a time */
  .file-browser-sidebar.mobile {
    display: none;
  }

  .file-browser-sidebar.mobile.active {
    display: flex;
    flex: 1;
    height: 100%;
    max-height: none;
    border-bottom: none;
  }

  .file-browser-content.mobile {
    display: none;
  }

  .file-browser-content.mobile.active {
    display: flex;
    flex: 1;
    height: 100%;
  }

  /* Back button styles */
  .file-browser-back-button {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 6px 12px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text);
    font-size: 13px;
    cursor: pointer;
    transition: background var(--transition-fast);
    margin-right: 8px;
  }

  .file-browser-back-button:hover {
    background: var(--card-hover);
  }

  .file-browser-back-button:focus {
    outline: none;
    box-shadow: var(--focus-ring);
  }

  .file-browser-image-preview {
    padding: var(--space-md);
  }

  .file-browser-image {
    max-width: 100%;
    max-height: calc(100dvh - 200px);
  }
}