/* ═══════════════════════════════════════════════════════════
   FileOS Desktop — File Explorer CSS
   ═══════════════════════════════════════════════════════════ */

/* ── Explorer Layout ── */
.file-explorer {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--bg-surface);
}

/* ── Toolbar ── */
.explorer-toolbar {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  border-bottom: 1px solid var(--border-glass);
  background: var(--bg-window-titlebar);
}

.explorer-nav-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 16px;
  transition: background 0.1s ease;
}

.explorer-nav-btn:hover:not(:disabled) {
  background: var(--bg-glass-hover);
  color: var(--text-primary);
}

.explorer-nav-btn:disabled {
  opacity: 0.3;
  cursor: default;
}

/* ── Address Bar ── */
.explorer-address-bar {
  flex: 1;
  display: flex;
  align-items: center;
  height: 32px;
  padding: 0 12px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  gap: 4px;
  overflow: hidden;
}

.explorer-address-bar:focus-within {
  border-color: var(--accent);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 2px;
  overflow: hidden;
}

.breadcrumb-item {
  font-size: 12px;
  color: var(--text-secondary);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.1s ease;
}

.breadcrumb-item:hover {
  background: var(--bg-glass-hover);
  color: var(--text-primary);
}

.breadcrumb-item.current {
  color: var(--text-primary);
  font-weight: 500;
}

.breadcrumb-sep {
  color: var(--text-muted);
  font-size: 10px;
  pointer-events: none;
}

/* ── View Toggle ── */
.explorer-view-toggle {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
}

.view-btn {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 14px;
  transition: background 0.1s ease, color 0.1s ease;
}

.view-btn:hover {
  background: var(--bg-glass-hover);
  color: var(--text-primary);
}

.view-btn.active {
  color: var(--accent);
  background: var(--accent-light);
}

/* ── Content Area ── */
.explorer-content {
  flex: 1;
  padding: 12px 16px;
  overflow-y: auto;
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: 4px;
}

.explorer-content.list-view {
  flex-direction: column;
  flex-wrap: nowrap;
  gap: 1px;
}

/* ── Grid View Items ── */
.explorer-item {
  width: 88px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 4px;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.1s ease;
}

.explorer-item:hover {
  background: var(--bg-glass-hover);
}

.explorer-item.selected {
  background: var(--accent-light);
  border-color: rgba(0, 120, 212, 0.3);
}

.explorer-item-icon {
  font-size: 36px;
  line-height: 1;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.explorer-item-label {
  font-size: 11px;
  text-align: center;
  color: var(--text-primary);
  max-width: 80px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── List View Items ── */
.explorer-content.list-view .explorer-item {
  width: 100%;
  flex-direction: row;
  padding: 4px 12px;
  gap: 10px;
  border-radius: var(--radius-sm);
}

.explorer-content.list-view .explorer-item-icon {
  font-size: 20px;
  width: 24px;
  height: 24px;
}

.explorer-content.list-view .explorer-item-label {
  text-align: left;
  max-width: none;
  flex: 1;
  font-size: 12px;
}

.explorer-item-type {
  font-size: 11px;
  color: var(--text-muted);
  min-width: 80px;
  text-align: right;
  display: none;
}

.explorer-content.list-view .explorer-item-type {
  display: block;
}

/* ── Empty State ── */
.explorer-empty {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 16px;
  gap: 8px;
}

.explorer-empty-icon {
  font-size: 48px;
  opacity: 0.3;
}

.explorer-empty-text {
  font-size: 13px;
  color: var(--text-muted);
}

/* ── Status Bar ── */
.explorer-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 16px;
  border-top: 1px solid var(--border-glass);
  font-size: 11px;
  color: var(--text-muted);
}

/* ── Context Menu ── */
.context-menu {
  position: fixed;
  z-index: var(--z-context-menu);
  min-width: 200px;
  background: var(--bg-start-menu);
  backdrop-filter: var(--blur-xl);
  -webkit-backdrop-filter: var(--blur-xl);
  border: 1px solid var(--border-glass-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 4px;
  animation: fadeInUp 0.12s ease;
}

.context-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 12px;
  color: var(--text-primary);
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
  font-family: var(--font-family);
  transition: background 0.08s ease;
}

.context-menu-item:hover {
  background: var(--bg-glass-hover);
}

.context-menu-item:active {
  background: var(--bg-glass-active);
}

.context-menu-item-icon {
  width: 20px;
  text-align: center;
  font-size: 14px;
  flex-shrink: 0;
}

.context-menu-item-label {
  flex: 1;
}

.context-menu-item-shortcut {
  font-size: 11px;
  color: var(--text-muted);
  margin-left: auto;
}

.context-menu-divider {
  height: 1px;
  background: var(--border-glass);
  margin: 4px 8px;
}

.context-menu-submenu {
  position: relative;
}

.context-menu-submenu::after {
  content: '›';
  margin-left: auto;
  color: var(--text-muted);
}

.context-menu-submenu .context-menu {
  position: absolute;
  top: -4px;
  left: 100%;
  display: none;
}

.context-menu-submenu:hover .context-menu {
  display: block;
}

/* ── Dialog ── */
.dialog-overlay {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-context-menu) + 10);
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeInUp 0.2s ease;
}

.dialog {
  background: var(--bg-window);
  backdrop-filter: var(--blur-lg);
  border: 1px solid var(--border-glass-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 24px;
  min-width: 360px;
  max-width: 480px;
}

.dialog-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
}

.dialog-input {
  width: 100%;
  height: 36px;
  padding: 0 12px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass-light);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: 13px;
  outline: none;
  margin-bottom: 8px;
}

.dialog-input:focus {
  border-color: var(--accent);
}

.dialog-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 6px;
  display: block;
}

.dialog-buttons {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 16px;
}

.dialog-btn {
  padding: 6px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-glass-light);
  background: var(--bg-glass);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: 13px;
  cursor: pointer;
  transition: background 0.1s ease;
}

.dialog-btn:hover {
  background: var(--bg-glass-hover);
}

.dialog-btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.dialog-btn.primary:hover {
  background: var(--accent-hover);
}