:root {
    color-scheme: light dark;
    --panel-material-dark: rgba(0, 0, 0, 0.5);
    --panel-material-dark-alt: rgba(0, 0, 0, 0.3); 
    --panel-material-dark-hover: rgba(0, 0, 0, 0.75);
    --panel-material-light: rgba(255, 255, 255, 0.5);
    --panel-material-light-alt: rgba(255, 255, 255, 0.6);
    --panel-material-light-hover: rgba(255, 255, 255, 0.75);
    --text-dark: #FFF;
    --text-dark-alt: #BBB; 
    --text-light:  #000;
    --text-light-alt: #444;
    --text-disabled: #9ca3af;
    --error: #f87171;
    --transition: 200ms ease;
}

@font-face {
    font-family: 'gg sans Normal Regular';
    font-style: normal;
    font-weight: normal;
    src: url('gg sans Regular.woff') format('woff');
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'gg sans Normal Regular', sans-serif;
}

body {
    color: light-dark(var(--text-light), var(--text-dark));
    background: linear-gradient(135deg, light-dark(lightblue, darkslateblue), darkgoldenrod);
    background-attachment: fixed;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
    overflow-y: auto;
}

.app-layout {
  display: flex;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

.sidebar {
  width: 300px;
  min-width: 300px;
  height: calc(100vh - 20px);
  background: light-dark(var(--panel-material-light), var(--panel-material-dark));
  display: flex;
  flex-direction: column;
  z-index: 10;
  margin: 10px;
  border-radius: 12px;
}

.content-area {
  flex: 1;
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
  padding: 10px;
}

/* ... existing styles up to line 100 ... */

/* Table UI for Virtual Scrolling */
.editor-table-container {
  flex: 1;
  overflow-y: auto;
  overflow-x: auto;
  position: relative;
  background: light-dark(var(--panel-material-light-alt), var(--panel-material-dark-alt));
  border-radius: 0 0 12px 12px;
}

.table-spacer {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: -1;
}

.virtual-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  position: absolute;
  top: 0;
  left: 0;
  font-size: 13px;
}

.virtual-table thead {
  height: 35.5px;
}

.virtual-table th {
  background: light-dark(var(--panel-material-light-hover), var(--panel-material-dark-hover));
  padding: 8px;
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
}

.virtual-table td {
  padding: 4px 8px;
  height: 32px;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.virtual-table tr:hover td {
  background: light-dark(var(--panel-material-light-hover), var(--panel-material-dark-hover));
}

/* Column Widths */
.col-check { width: 35px; text-align: center; }
.col-no { width: 50px; }
.col-start { width: 90px; }
.col-end { width: 90px; }
.col-speaker { width: 100px; }
.col-text { width: auto; }

/* Modern scrollbar for the table containers */
#originalTableContainer::-webkit-scrollbar,
#translatedTableContainer::-webkit-scrollbar,
textarea::-webkit-scrollbar {
  width: 8px;
}

#originalTableContainer::-webkit-scrollbar-track,
#translatedTableContainer::-webkit-scrollbar-track,
textarea::-webkit-scrollbar {
  background: transparent;
}

#originalTableContainer::-webkit-scrollbar-thumb,
#translatedTableContainer::-webkit-scrollbar-thumb,
textarea::-webkit-scrollbar {
  background: light-dark(var(--text-light-alt), var(--text-dark-alt));
  border-radius: 10px;
  border: 2px solid transparent;
  background-clip: content-box;
}

#originalTableContainer::-webkit-scrollbar-thumb:hover,
#translatedTableContainer::-webkit-scrollbar-thumb:hover,
textarea::-webkit-scrollbar {
  background: light-dark(#999, #777);
  background-clip: content-box;
}


/* Editable Cells */
.editable-cell {
  width: 100%;
  height: 100%;
  padding: 5px !important;
}

.untranslated {
  color: light-dark(var(--panel-material-dark-hover),var(--panel-material-light-hover));
}


.col-text .editable-cell {
  white-space: normal;
  overflow-wrap: break-word;
  display: block;
  line-height: 1.4;
  height: auto;
  min-height: 32px;
}

/* Checkbox Styling */
input[type="checkbox"] {
  cursor: pointer;
  width: 16px;
  height: 16px;
}

/* ... rest of file ... */

.editor-pane {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: light-dark(var(--panel-material-light), var(--panel-material-dark));
  border-radius: 12px;
}

.editor-pane:last-child {
  border-right: none;
}

.sidebar-file-section {
  flex: 1;
  padding: 0 24px;
  overflow-y: auto;
}

.editor-container {
  display: flex;
  flex: 1;
  gap: 10px;
  overflow: hidden;
}

/* Sidebar Components */
.sidebar-header {
  padding: 24px;
  text-align: center;
}

.sidebar-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -1px;
  color: var(--text);
  margin-bottom: 4px;
}

.sidebar-logo-em {
  font-style: normal;
  background: linear-gradient(90deg, var(--accent) 0%, #e0ff80 50%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar-tagline {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.sidebar-file-section {
  flex: 1;
  padding: 0 24px;
  overflow-y: auto;
}

.section-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}

/* Drop Zone */
.drop-zone {
  margin-top: 8px;
  padding: 16px;
  border-radius: var(--radius);
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  border-radius: 12px;
}

.drop-zone:hover {
  background: light-dark(var(--panel-material-light-hover), var(--panel-material-dark-hover));
}

.drop-zone.drag-over {
  background: light-dark(var(--panel-material-light-hover), var(--panel-material-dark-hover));
}

.drop-zone.loaded {
  background: light-dark(var(--panel-material-light-hover), var(--panel-material-dark-hover));
  border-color: var(--accent);
}


.drop-icon { font-size: 24px; margin-bottom: 8px; }
.drop-primary { font-weight: 700; font-size: 13px; color: var(--text); }
.drop-secondary { font-size: 11px; color: var(--muted); }

/* Settings Panel */
.sidebar-settings {
  margin-top: auto;
  padding: 16px;
  border-top: 1px solid var(--border);
  background: light-dark(var(--panel-material-light-alt), var(--panel-material-dark-alt));
  border-radius: 0 0 12px 12px;
}

.settings-toggle {
  display: none;
}

.settings-content {
  display: flex !important;
  padding: 0;
  gap: 16px;
  overflow-y: visible;
  max-height: none;
}

.settings-toggle {
  width: 100%;
  padding: 12px 16px;
  background: none;
  border: none;
  color: var(--muted);
  font-family: 'gg sans Normal Regular', sans-serif;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
}

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

.settings-content {
  padding: 16px;
  display: none;
  flex-direction: column;
  gap: 16px;
  overflow-y: auto;
  max-height: calc(100vh - 60px);
}

.settings-content.open {
  display: flex;
}

/* Forms & Inputs */
.field-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.api-label {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--muted);
  letter-spacing: 0.05em;
}

input[type="text"],
input[type="password"],
textarea {
  background: light-dark(var(--panel-material-light-alt), var(--panel-material-dark-alt));
  color: light-dark(var(--text-light), var(--text-dark));
  padding: 8px 12px;
  border-radius: 12px;
  font-family: 'gg sans Normal Regular', sans-serif;
  font-size: 13px;
  transition: var(--transition);
  resize: none;
  border:none;
}

input:focus, textarea:focus {
  background: light-dark(var(--panel-material-light-hover), var(--panel-material-dark-hover));
}

.provider-toggle {
  display: flex;
  background: light-dark(var(--panel-material-light-alt), var(--panel-material-dark-alt));
  padding: 4px;
  border-radius: 12px;
  gap: 4px;
}

#translateBtn {
  padding: 6px 16px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 700;
  background: light-dark(var(--panel-material-light-alt), var(--panel-material-dark-alt));
  color: var(--muted);
  border: none;
}

button.ready {
 color: light-dark(var(--text-light), var(--text-dark));
 background-color: light-dark(var(--panel-material-light-hover), var(--panel-material-dark-hover)) !important;
}

#downloadBtn {
  padding: 6px 16px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 700;
  background: light-dark(var(--panel-material-light-alt), var(--panel-material-dark-alt));
  color: var(--muted);
  border: none;
}

.sidebar-settings {
  margin-top: auto;
  padding: 16px;
  background: light-dark(var(--panel-material-light-alt), var(--panel-material-dark-alt));
  border-radius: 0 0 12px 12px;
  border: none;
}

.pane-header {
  padding: 12px 16px;
  background: light-dark(var(--panel-material-light-alt), var(--panel-material-dark-alt));
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-radius: 12px 12px 0 0;
  border: none;
}

.editor-textarea {
  flex: 1;
  background: transparent;
  border: none;
  color: light-dark(var(--text-light), var(--text-dark));
  font-family: 'gg sans Normal Regular', sans-serif;
  font-size: 14px;
  padding: 20px;
  resize: none;
  outline: none;
  line-height: 1.6;
  border-radius: 0 0 12px 12px;
}

.provider-toggle button {
  flex: 1;
  background: none;
  border: none;
  color: var(--muted);
  padding: 6px;
  font-size: 11px;
  cursor: pointer;
  border-radius: 6px;
  transition: var(--transition);
}

.provider-toggle button.active {
  background: light-dark(var(--panel-material-light), var(--panel-material-dark));
  color: var(--text);
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.api-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.api-row input {
  flex: 1;
}

.provider-row { display: none; }
.provider-row.visible { display: flex; }

.instructions-textarea {
  min-height: 120px;
  font-size: 12px;
  padding: 8px;
}

.model-hint {
  font-size: 10px;
  color: var(--muted);
  margin-top: 2px;
}

/* Main Editor Area */
.editor-container {
  display: flex;
  flex: 1;
  overflow: hidden;
}

.editor-pane {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.editor-pane:last-child {
  border-right: none;
}

.result-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.editor-textarea {
  flex: 1;
  background: transparent;
  border: none;
  color: light-dark(var(--text-light), var(--text-dark));
  font-family: 'gg sans Normal Regular', sans-serif;
  font-size: 14px;
  padding: 20px;
  resize: none;
  outline: none;
  line-height: 1.6;
}

.editor-textarea:disabled {
  background: rgba(0,0,0,0.1);
  opacity: 0.5;
  cursor: not-allowed;
}

/* Buttons */
button {
  cursor: pointer;
  font-family: inherit;
  transition: var(--transition);
  padding: 6px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}

button[disabled],
button.loading {
  opacity: 0.7;
}

.btn-icon {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 18px;
  padding: 4px;
}

.btn-icon:hover {
  color: var(--text);
}

.result-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

/* Sidebar Status Section */
.sidebar-status-section {
  padding: 0 24px;
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar-alert {
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 11px;
  display: none;
  align-items: center;
  gap: 8px;
  animation: slideIn 0.2s ease-out;
}

.sidebar-alert.visible {
  display: flex;
}

.sidebar-alert.error {
  background: var(--error);
  color: var(--text-light);
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Progress in Sidebar */
#progressArea {
  width: 100%;
  text-align: left;
  display: none;
  margin-top: 8px;
}

#progressText {
  font-size: 11px;
  margin-top: 8px;
  color: var(--text);
  font-weight: 700;
}

.progress-bar-wrap {
  width: 100%;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.progress-bar-fill {
  width: 0%;
  height: 100%;
  background: var(--accent);
  transition: width 0.3s;
}

/* Banners */
#errorBanner {
  position: static;
  transform: none;
  left: auto;
  box-shadow: none;
  background: var(--error);
  color: white;
  padding: 12px 24px;
  border-radius: 8px;
  display: none;
  align-items: center;
  gap: 12px;
  transition: opacity 0.3s;
}


/* Spinner */
.spinner {
  width: 14px;
  height: 14px;
  border: 2px solid currentColor;
  border-bottom-color: transparent;
  border-radius: 50%;
  display: inline-block;
  animation: rotation 1s linear infinite;
}

@keyframes rotation {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.copy-success {
  color: var(--accent) !important;
}