/* Theme Variables */
:root {
  --bg: #f5f5f7;
  --panel: #ffffff;
  --sidebar-bg: #f9f9fb;
  --text: #1d1d1f;
  --text-secondary: #86868b;
  --accent: #007aff;
  --accent-hover: #0051d5;
  --border: #e0e0e5;
  --hover: #f0f0f5;
  --danger: #ff3b30;
  --success: #34c759;
  --warning: #ff9500;
  --header-bg: rgba(255, 255, 255, 0.85);
  --modal-backdrop: rgba(0, 0, 0, 0.5);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.18);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --bg: #1c1c1e;
  --panel: #2c2c2e;
  --sidebar-bg: #242426;
  --text: #f5f5f7;
  --text-secondary: #98989d;
  --accent: #0a84ff;
  --accent-hover: #409cff;
  --border: #404044;
  --hover: #3a3a3c;
  --danger: #ff453a;
  --success: #32d74b;
  --warning: #ff9f0a;
  --header-bg: rgba(28, 28, 30, 0.85);
  --modal-backdrop: rgba(0, 0, 0, 0.7);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);
}

/* Reset & Base */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  font-size: 13px;
  line-height: 1.5;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Header */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  padding: 0 16px;
  background: var(--header-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.03);
}

.brand {
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.3px;
  color: var(--text);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.status {
  color: var(--text-secondary);
  font-size: 12px;
  min-width: 120px;
  text-align: right;
  display: flex;
  align-items: center;
  gap: 6px;
}

.status::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-secondary);
  opacity: 0.5;
  animation: pulse 2s ease-in-out infinite;
}

[data-connected="true"] .status::before {
  background: var(--success);
  opacity: 1;
  box-shadow: 0 0 8px var(--success);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Container Layout */
.container {
  display: grid;
  grid-template-columns: 200px 1fr;
  height: calc(100vh - 52px);
  overflow: hidden;
}

/* Sidebar */
.sidebar {
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  overflow-x: hidden;
  padding: 12px 8px;
}

.sidebar-section {
  margin-bottom: 24px;
}

.section-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-secondary);
  padding: 0 8px 6px;
  letter-spacing: 0.5px;
}

.sidebar-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 12px;
  position: relative;
  overflow: hidden;
}

.sidebar-item svg {
  flex-shrink: 0;
  margin-right: 0;
}

.sidebar-item:hover {
  background: var(--hover);
  transform: translateX(2px);
}

.sidebar-item-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-left: 0;
}

.sidebar-item-action {
  opacity: 0;
  font-size: 11px;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
}

.sidebar-item:hover .sidebar-item-action {
  opacity: 1;
}

.sidebar-item-action:hover {
  background: var(--border);
}

.sidebar-empty {
  padding: 8px;
  color: var(--text-secondary);
  font-size: 12px;
  text-align: center;
}

/* Main Content */
.main-content {
  display: flex;
  flex-direction: column;
  background: var(--panel);
  overflow: hidden;
  position: relative;
}

/* Toolbar */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  min-height: 48px;
  flex-wrap: nowrap;
}

.toolbar-left,
.toolbar-right {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: nowrap;
}

.toolbar-left {
  flex-shrink: 0;
  min-width: 0;
}

.toolbar-right {
  flex-shrink: 1;
  min-width: 0;
  overflow-x: auto;
  overflow-y: hidden;
}

.toolbar-right::-webkit-scrollbar {
  height: 0;
  display: none;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: var(--text-secondary);
  margin-left: 12px;
  overflow: hidden;
}

.breadcrumbs .breadcrumb-item {
  cursor: pointer;
  white-space: nowrap;
  color: var(--text);
}

.breadcrumbs .breadcrumb-item:hover {
  text-decoration: underline;
}

.breadcrumbs .breadcrumb-separator {
  color: var(--text-secondary);
  margin: 0 2px;
}

/* File List Container */
.file-list-container {
  flex: 1;
  overflow: auto;
  padding: 0;
  position: relative;
}

/* File List */
.file-list {
  width: 100%;
  height: 100%;
}

.file-list-header {
  display: grid;
  grid-template-columns: 1fr 120px 180px;
  gap: 16px;
  padding: 8px 16px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: sticky;
  top: 0;
  z-index: 10;
}

.file-list-body {
  padding: 0;
}

.file-item {
  display: grid;
  grid-template-columns: 1fr 120px 180px;
  gap: 16px;
  padding: 8px 16px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: all var(--transition-fast);
  align-items: center;
  position: relative;
}

.file-item:hover {
  background: var(--hover);
  transform: translateX(2px);
}

.file-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.file-item:hover::before {
  opacity: 1;
}

.file-item.selected {
  background: var(--accent);
  color: white;
  box-shadow: var(--shadow-sm);
}

.file-item.selected::before {
  opacity: 1;
  background: white;
}

.file-item.selected .file-size,
.file-item.selected .file-modified {
  color: rgba(255, 255, 255, 0.85);
}

.file-item-name {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}

.file-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}

.file-item:hover .file-icon {
  transform: scale(1.1);
}

.file-icon.folder {
  background: linear-gradient(135deg, #5E9FFF 0%, #3B82F6 100%);
}

.file-icon.file {
  background: linear-gradient(135deg, #E5E7EB 0%, #D1D5DB 100%);
}

[data-theme="dark"] .file-icon.file {
  background: linear-gradient(135deg, #52525B 0%, #3F3F46 100%);
}

/* File type specific colors */
.file-icon.file[data-ext="js"],
.file-icon.file[data-ext="json"] {
  background: linear-gradient(135deg, #F7DF1E 0%, #F0D91E 100%);
}

.file-icon.file[data-ext="html"] {
  background: linear-gradient(135deg, #E34F26 0%, #C73919 100%);
}

.file-icon.file[data-ext="css"] {
  background: linear-gradient(135deg, #264DE4 0%, #2965F1 100%);
}

.file-icon.file[data-ext="md"] {
  background: linear-gradient(135deg, #000000 0%, #333333 100%);
}

.file-icon.file[data-ext="png"],
.file-icon.file[data-ext="jpg"],
.file-icon.file[data-ext="jpeg"],
.file-icon.file[data-ext="gif"],
.file-icon.file[data-ext="svg"] {
  background: linear-gradient(135deg, #34C759 0%, #28A745 100%);
}

.file-icon.file[data-ext="zip"],
.file-icon.file[data-ext="tar"],
.file-icon.file[data-ext="gz"] {
  background: linear-gradient(135deg, #FF9500 0%, #FF8000 100%);
}

.file-size,
.file-modified {
  font-size: 12px;
  color: var(--text-secondary);
}

/* Empty State */
.empty-state {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-secondary);
  text-align: center;
  gap: 16px;
}

.empty-state.visible {
  display: flex;
}

.empty-state p {
  font-size: 14px;
}

/* Buttons */
button {
  font-family: inherit;
  font-size: 13px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
  outline: none;
}

.icon-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--text);
  padding: 0;
  position: relative;
  overflow: hidden;
}

.icon-btn:hover:not(:disabled) {
  background: var(--hover);
  transform: scale(1.05);
}

.icon-btn:active:not(:disabled) {
  transform: scale(0.95);
}

.icon-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.toolbar-btn {
  padding: 6px 12px;
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: var(--shadow-sm);
}

.toolbar-btn:hover:not(:disabled) {
  background: var(--hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.toolbar-btn:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.toolbar-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.ghost-btn {
  padding: 6px 12px;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.ghost-btn:hover {
  background: var(--hover);
}

.primary-btn {
  padding: 8px 16px;
  background: var(--accent);
  color: white;
  font-weight: 500;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.primary-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.primary-btn:hover::before {
  left: 100%;
}

.primary-btn:hover:not(:disabled) {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.primary-btn:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.primary-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.upload-btn {
  padding: 6px 12px;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s;
}

.upload-btn:hover {
  background: var(--hover);
}

.upload-btn input[type="file"] {
  display: none;
}

/* Context Menu */
.context-menu {
  position: fixed;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 6px;
  min-width: 180px;
  z-index: 1000;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  animation: contextMenuIn var(--transition-fast);
}

@keyframes contextMenuIn {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(-4px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.context-menu.hidden {
  display: none;
}

.context-item {
  padding: 8px 12px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  font-size: 13px;
  transition: all var(--transition-fast);
  position: relative;
}

.context-item:hover {
  background: var(--accent);
  color: white;
  transform: translateX(2px);
  padding-left: 14px;
}

.context-item.disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.context-item.disabled:hover {
  background: transparent;
  color: var(--text);
}

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

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal.hidden {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: var(--modal-backdrop);
  backdrop-filter: blur(8px) saturate(150%);
  -webkit-backdrop-filter: blur(8px) saturate(150%);
  animation: backdropIn var(--transition-normal);
}

@keyframes backdropIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-dialog {
  position: relative;
  background: var(--panel);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: min(480px, 90vw);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: modalIn var(--transition-normal);
  border: 1px solid var(--border);
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: scale(0.9) translateY(-20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal-dialog.modal-large {
  width: min(800px, 90vw);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 {
  font-size: 15px;
  font-weight: 600;
}

.close-btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: transparent;
  color: var(--text-secondary);
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
}

.close-btn:hover {
  background: var(--hover);
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}

/* Form Elements */
.form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-row label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
}

input[type="text"],
input[type="number"],
input[type="password"],
textarea {
  width: 100%;
  padding: 8px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--panel);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

textarea {
  resize: vertical;
  min-height: 80px;
  font-family: ui-monospace, 'SF Mono', 'Cascadia Code', 'Source Code Pro', Menlo, Consolas, monospace;
}

#editor {
  width: 100%;
  min-height: 400px;
  font-size: 12px;
  line-height: 1.6;
}

.hint {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 8px;
}

/* Visibility States */
[data-connected="true"] #emptyState {
  display: none !important;
}

[data-connected="false"] #emptyState {
  display: flex !important;
}

[data-connected="false"] .file-list {
  display: none;
}

[data-connected="true"] #connectModalBtn {
  display: none;
}

[data-connected="false"] #headerDisconnect {
  display: none;
}

/* Drag & Drop */
.file-list.drag-over {
  background: var(--hover);
  outline: 2px dashed var(--accent);
  outline-offset: -4px;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 6px;
  border: 3px solid var(--panel);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

/* Loading Spinner */
.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Progress Bar */
.progress-bar {
  position: fixed;
  top: 52px;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--border);
  z-index: 99;
  overflow: hidden;
  display: none;
}

.progress-bar.active {
  display: block;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--success));
  width: 0%;
  transition: width 0.3s ease;
  box-shadow: 0 0 8px var(--accent);
}

/* Utilities */
.hidden {
  display: none !important;
}

/* Selection */
::selection {
  background: var(--accent);
  color: white;
}

/* Focus visible */
*:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* View Toggle */
.view-toggle {
  display: flex;
  gap: 2px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  padding: 2px;
  border: 1px solid var(--border);
}

.view-toggle .icon-btn {
  width: 28px;
  height: 28px;
}

.view-toggle .icon-btn.active {
  background: var(--accent);
  color: white;
}

/* Grid View */
.file-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 16px;
  padding: 20px;
  overflow: auto;
}

.file-grid-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  background: var(--panel);
  border: 1px solid transparent;
}

.file-grid-item:hover {
  background: var(--hover);
  border-color: var(--border);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.file-grid-item.selected {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.file-grid-item .file-icon {
  width: 48px;
  height: 48px;
  font-size: 32px;
  margin-bottom: 8px;
  border-radius: var(--radius-md);
}

.file-grid-item-name {
  font-size: 12px;
  word-break: break-word;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.file-grid-item.selected .file-grid-item-name {
  color: white;
}

/* Terminal Panel */
.terminal-panel {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 300px;
  background: var(--panel);
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 50;
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
  animation: slideUp var(--transition-normal);
}

@keyframes slideUp {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.terminal-panel.hidden {
  display: none;
}

.terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  min-height: 36px;
}

.terminal-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

.terminal-body {
  flex: 1;
  background: #1e1e1e;
  color: #d4d4d4;
  font-family: ui-monospace, 'SF Mono', 'Cascadia Code', 'Source Code Pro', Menlo, Consolas, monospace;
  font-size: 13px;
  padding: 12px;
  overflow: auto;
  line-height: 1.5;
}

[data-theme="dark"] .terminal-body {
  background: #0a0a0a;
}

/* Terminal Content */
.terminal-line {
  margin-bottom: 2px;
}

.terminal-prompt {
  color: #4EC9B0;
}

.terminal-input {
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  color: #d4d4d4;
  font-family: inherit;
  font-size: inherit;
  padding: 0;
  margin: 0;
}

/* When terminal is open */
.main-content.terminal-open .file-list-container {
  height: calc(100% - 300px);
}

/* Modal Small */
.modal-dialog.modal-small {
  width: min(400px, 90vw);
}

/* Search Results */
.search-results {
  max-height: 400px;
  overflow-y: auto;
  margin-top: 12px;
}

.search-result-item {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 8px;
}

.search-result-item:hover {
  background: var(--hover);
}

.search-result-icon {
  width: 20px;
  height: 20px;
}

.search-result-name {
  flex: 1;
  font-size: 13px;
}

.search-result-path {
  font-size: 11px;
  color: var(--text-secondary);
}

/* Server History List */
.server-history-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.history-item {
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.history-item:hover {
  background: var(--hover);
  border-color: var(--accent);
}

.history-item-name {
  font-weight: 600;
  margin-bottom: 4px;
}

.history-item-details {
  font-size: 12px;
  color: var(--text-secondary);
}

/* Multi-selection */
.file-item.multi-selected,
.file-grid-item.multi-selected {
  background: var(--accent);
  color: white;
}

.file-item.multi-selected .file-size,
.file-item.multi-selected .file-modified {
  color: rgba(255, 255, 255, 0.85);
}

/* Selection counter */
.selection-counter {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--accent);
  color: white;
  padding: 12px 20px;
  border-radius: 50px;
  box-shadow: var(--shadow-lg);
  font-size: 13px;
  font-weight: 600;
  z-index: 999;
  animation: slideUp var(--transition-normal);
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .container {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: fixed;
    left: -200px;
    top: 52px;
    bottom: 0;
    width: 200px;
    z-index: 200;
    transition: left var(--transition-normal);
    box-shadow: var(--shadow-lg);
  }

  .sidebar.mobile-open {
    left: 0;
  }

  .mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 199;
  }

  .mobile-overlay.active {
    display: block;
  }

  .mobile-menu-btn {
    display: flex !important;
  }

  .header-actions {
    gap: 8px;
  }

  .toolbar {
    flex-wrap: wrap;
    padding: 8px 12px;
  }

  .toolbar-left,
  .toolbar-right {
    gap: 4px;
  }

  .toolbar-btn {
    padding: 6px 8px;
    font-size: 11px;
  }

  .file-list-header {
    grid-template-columns: 1fr 80px;
    gap: 8px;
  }

  .file-item {
    grid-template-columns: 1fr 80px;
    gap: 8px;
  }

  .col-modified,
  .file-modified {
    display: none;
  }

  .modal-dialog {
    width: 95vw;
    max-height: 95vh;
  }

  .terminal-panel {
    height: 250px;
  }

  .main-content.terminal-open .file-list-container {
    height: calc(100% - 250px);
  }
}

@media (max-width: 480px) {
  .brand {
    font-size: 13px;
  }

  header {
    height: 48px;
    padding: 0 12px;
  }

  .container {
    height: calc(100vh - 48px);
  }

  .sidebar {
    top: 48px;
  }

  .file-grid {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 12px;
    padding: 12px;
  }

  .breadcrumbs {
    font-size: 11px;
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--text);
}

.mobile-menu-btn svg {
  width: 20px;
  height: 20px;
}

/* Dark theme xterm override */
[data-theme="dark"] .terminal-body {
  background: #0a0a0a;
}

[data-theme="dark"] .xterm {
  background: #0a0a0a !important;
}

/* Notification System (temaya uygun) */
.notification {
  position: fixed;
  top: 70px;
  right: 20px;
  min-width: 280px;
  max-width: 400px;
  padding: 14px 18px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: 13px;
  color: var(--text);
  z-index: 10000;
  transform: translateX(450px);
  transition: transform var(--transition-normal);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.notification.show {
  transform: translateX(0);
}

.notification-success {
  border-left: 3px solid var(--success);
}

.notification-error {
  border-left: 3px solid var(--danger);
}

.notification-warning {
  border-left: 3px solid var(--warning);
}

.notification-info {
  border-left: 3px solid var(--accent);
}

/* Search Results Styling */
.search-results {
  max-height: 400px;
  overflow-y: auto;
  margin-top: 12px;
}

.search-result-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.search-result-item:hover {
  background: var(--hover);
  border-color: var(--border);
}

.search-result-item .file-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.search-result-item span {
  font-size: 13px;
  color: var(--text);
}

.search-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-secondary);
  font-size: 13px;
}

/* Server History Styling */
.server-history-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 400px;
  overflow-y: auto;
}

.server-history-item {
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  background: var(--panel);
}

.server-history-item:hover {
  border-color: var(--accent);
  background: var(--hover);
  transform: translateX(4px);
}

.server-history-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.server-history-host {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
}

.server-history-time {
  font-size: 11px;
  color: var(--text-secondary);
}

.server-history-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-secondary);
  font-size: 13px;
}

/* Enhanced Mobile Support */
@media (max-width: 768px) {
  .mobile-menu-btn {
    display: flex;
  }

  .sidebar {
    position: fixed;
    left: -100%;
    top: 52px;
    height: calc(100vh - 52px);
    width: 260px;
    z-index: 1000;
    transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .sidebar.mobile-open {
    left: 0;
  }

  .container {
    grid-template-columns: 1fr;
  }

  .mobile-overlay {
    position: fixed;
    top: 52px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--modal-backdrop);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .mobile-overlay.active {
    opacity: 1;
    pointer-events: all;
  }

  .toolbar {
    flex-wrap: wrap;
    padding: 8px 12px;
  }

  .toolbar-left,
  .toolbar-right {
    gap: 6px;
  }

  .toolbar-btn,
  .ghost-btn,
  .primary-btn {
    font-size: 12px;
    padding: 6px 10px;
  }

  .icon-btn {
    width: 32px;
    height: 32px;
  }

  .file-list-header {
    grid-template-columns: 1fr 80px 120px;
    font-size: 10px;
    padding: 6px 12px;
  }

  .file-item {
    grid-template-columns: 1fr 80px 120px;
    padding: 10px 12px;
  }

  .file-item-name {
    font-size: 13px;
  }

  .file-size,
  .file-modified {
    font-size: 11px;
  }

  .notification {
    right: 10px;
    top: 60px;
    min-width: calc(100vw - 20px);
    max-width: calc(100vw - 20px);
  }

  .modal-dialog {
    width: calc(100vw - 32px);
    max-width: calc(100vw - 32px);
    margin: 16px;
  }

  .modal-large {
    width: calc(100vw - 32px);
    height: calc(100vh - 100px);
  }

  .header-actions {
    gap: 8px;
  }

  .status {
    font-size: 11px;
    min-width: 90px;
  }

  /* Hide some columns on very small screens */
  @media (max-width: 480px) {
    .file-list-header,
    .file-item {
      grid-template-columns: 1fr 80px;
    }

    .file-modified,
    .col-modified {
      display: none;
    }

    .toolbar-right {
      flex-wrap: wrap;
    }
  }
}

/* Improved drag-over state */
.file-list.drag-over,
.file-grid.drag-over {
  background: var(--hover);
  border: 2px dashed var(--accent);
  border-radius: var(--radius-md);
}

/* Better scrollbar styling for webkit browsers */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

/* Dark mode scrollbar */
[data-theme="dark"]::-webkit-scrollbar-track {
  background: var(--panel);
}

/* Multi-select visual feedback */
.file-item.selected,
.file-grid-item.selected {
  background: var(--hover);
  border-color: var(--accent);
}

.file-item.selected::before,
.file-grid-item.selected::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent);
}

.file-grid-item.selected::before {
  width: 100%;
  height: 3px;
  left: 0;
  right: 0;
  top: 0;
  bottom: auto;
}