/* ==========================================================================
   UfaqTech AI Humanizer & UTH-Server Workspace Stylesheet (/assets/css/humanizer.css)
   Matches existing ufaqtech.me brand system (#111214, #2f9ed0, #e56b6f)
   ========================================================================== */

:root {
  --uth-bg: #f5f9fc;
  --uth-surface: #ffffff;
  --uth-surface-subtle: #f8fbfd;
  --uth-surface-muted: #eef5f9;
  --uth-ink: #0f172a;
  --uth-ink-secondary: #334155;
  --uth-muted: #5b7083;
  --uth-line: #d8e6ef;
  --uth-line-strong: #bdd4e2;
  --uth-blue: #1e88bb;
  --uth-blue-dark: #156c96;
  --uth-blue-soft: #e6f4fb;
  --uth-coral: #d95358;
  --uth-coral-soft: #fdf0f0;
  --uth-green: #15803d;
  --uth-green-soft: #eafaf0;
  --uth-amber: #b45309;
  --uth-amber-soft: #fef7e6;
  --uth-radius-lg: 16px;
  --uth-radius-md: 11px;
  --uth-radius-sm: 8px;
  --uth-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
}

.humanizer-page {
  background: var(--uth-bg);
  color: var(--uth-ink);
  font-family: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  padding-bottom: 56px;
}

.humanizer-page *,
.humanizer-page *::before,
.humanizer-page *::after {
  box-sizing: border-box;
}

.humanizer-page .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Hero Section */
.humanizer-hero {
  max-width: 1220px;
  margin: 0 auto;
  padding: 44px 24px 28px;
}

.humanizer-eyebrow {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--uth-blue);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.humanizer-hero h1 {
  margin: 0 0 14px;
  color: var(--uth-ink);
  font-size: clamp(2rem, 3.6vw, 3.1rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.025em;
  max-width: 24ch;
  text-wrap: balance;
}

.humanizer-hero > p {
  margin: 0 0 22px;
  max-width: 68ch;
  color: var(--uth-ink-secondary);
  font-size: 16px;
  line-height: 1.65;
}

.humanizer-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.humanizer-privacy-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--uth-muted);
  font-size: 13.5px;
  font-weight: 500;
}

/* Main Shell Container */
.humanizer-shell {
  max-width: 1220px;
  margin: 0 auto;
  padding: 20px 24px 28px;
}

.humanizer-breadcrumb {
  margin-bottom: 18px;
  color: var(--uth-muted);
  font-size: 13px;
}

.humanizer-breadcrumb a {
  color: var(--uth-blue);
  text-decoration: none;
  font-weight: 600;
}

.humanizer-breadcrumb a:hover {
  text-decoration: underline;
}

/* Mode Selector Grid */
.humanizer-modes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.humanizer-mode {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  width: 100%;
  padding: 18px 20px;
  border: 1px solid var(--uth-line);
  border-radius: var(--uth-radius-md);
  background: var(--uth-surface);
  color: var(--uth-ink);
  text-align: left;
  cursor: pointer;
  transition: border-color 0.16s ease, background-color 0.16s ease, transform 0.16s ease;
}

.humanizer-mode:hover {
  border-color: var(--uth-line-strong);
  background: var(--uth-surface-subtle);
}

.humanizer-mode:focus-visible {
  outline: 2px solid var(--uth-blue);
  outline-offset: 2px;
}

.humanizer-mode[aria-pressed="true"] {
  border-color: var(--uth-blue);
  background: var(--uth-surface);
  box-shadow: 0 0 0 1px var(--uth-blue);
}

.humanizer-mode-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
}

.humanizer-mode-title-group {
  display: flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
}

.humanizer-mode h2 {
  margin: 0;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--uth-ink);
}

.humanizer-mode p {
  margin: 0;
  color: var(--uth-muted);
  font-size: 13.5px;
  line-height: 1.5;
}

.humanizer-badge {
  color: var(--uth-blue-dark);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.humanizer-mode[data-mode="pro"] .humanizer-badge[data-connected="true"] {
  color: var(--uth-green);
}

/* Pro Local UTHS Connection Bar */
.uth-bridge-bar {
  margin-bottom: 18px;
  padding: 16px 20px;
  border: 1px solid var(--uth-line);
  border-radius: var(--uth-radius-md);
  background: var(--uth-surface);
}

.uth-bridge-bar[hidden] {
  display: none !important;
}

.uth-bridge-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.uth-bridge-title {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--uth-ink);
}

.uth-bridge-sub {
  color: var(--uth-muted);
  font-size: 12.5px;
  font-weight: 500;
}

.uth-bridge-controls {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1.1fr auto;
  gap: 10px;
  align-items: end;
}

.uth-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.uth-field label {
  margin: 0;
  color: var(--uth-ink-secondary);
  font-size: 12px;
  font-weight: 600;
}

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

/* Main Workspace Card */
.humanizer-workspace {
  padding: 22px;
  border: 1px solid var(--uth-line);
  border-radius: var(--uth-radius-lg);
  background: var(--uth-surface);
  box-shadow: var(--uth-shadow);
}

/* Toolbars */
.humanizer-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 16px;
  padding-bottom: 16px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--uth-line);
}

.humanizer-toolbar:last-child {
  padding-bottom: 0;
  padding-top: 16px;
  margin-bottom: 0;
  margin-top: 16px;
  border-bottom: 0;
  border-top: 1px solid var(--uth-line);
}

.humanizer-toolbar-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
}

.humanizer-toolbar-group label {
  margin: 0;
  color: var(--uth-ink-secondary);
  font-size: 13px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.humanizer-dict-group {
  flex: 1 1 380px;
  flex-direction: column;
  align-items: stretch;
}

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

/* Buttons & Inputs */
.humanizer-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 40px;
  padding: 8px 16px;
  border: 1px solid var(--uth-line-strong);
  border-radius: var(--uth-radius-sm);
  background: var(--uth-surface);
  color: var(--uth-ink);
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
  flex-shrink: 0;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
}

.humanizer-button:hover {
  background: var(--uth-surface-muted);
  border-color: #9ec0d4;
  color: var(--uth-ink);
  text-decoration: none;
}

.humanizer-button:focus-visible {
  outline: 2px solid var(--uth-blue);
  outline-offset: 2px;
}

.humanizer-button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.humanizer-button-primary {
  border-color: var(--uth-blue);
  background: var(--uth-blue);
  color: #ffffff;
}

.humanizer-button-primary:hover {
  border-color: var(--uth-blue-dark);
  background: var(--uth-blue-dark);
  color: #ffffff;
}

.humanizer-button-danger {
  border-color: #ebb5b8;
  background: var(--uth-coral-soft);
  color: #b43439;
}

.humanizer-button-danger:hover {
  border-color: var(--uth-coral);
  background: var(--uth-coral);
  color: #ffffff;
}

.humanizer-button-sm {
  min-height: 32px;
  padding: 5px 11px;
  font-size: 12px;
}

.humanizer-select,
.uth-input {
  min-height: 40px;
  padding: 8px 12px;
  border: 1px solid var(--uth-line-strong);
  border-radius: var(--uth-radius-sm);
  background: var(--uth-surface);
  color: var(--uth-ink);
  font-size: 13.5px;
  font-family: inherit;
  transition: border-color 0.15s ease;
}

textarea.humanizer-select {
  width: 100%;
  min-height: 62px;
  resize: vertical;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12.5px;
}

.humanizer-select:focus-visible,
.uth-input:focus-visible,
.humanizer-editor:focus-visible {
  outline: 2px solid var(--uth-blue);
  outline-offset: 1px;
  border-color: var(--uth-blue);
}

.humanizer-hidden-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

/* Segmented View Switcher */
.humanizer-segmented {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--uth-line);
  border-radius: var(--uth-radius-sm);
  background: var(--uth-surface-muted);
}

.humanizer-seg-btn {
  min-height: 30px;
  padding: 4px 10px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--uth-ink-secondary);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 0.14s ease, color 0.14s ease;
}

.humanizer-seg-btn[aria-selected="true"] {
  background: var(--uth-surface);
  color: var(--uth-ink);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.08);
}

/* Side-by-Side Editor & Output Studios */
.humanizer-editor-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  align-items: stretch;
}

.humanizer-editor-grid.is-doc-expanded {
  grid-template-columns: minmax(0, 1fr);
}

.humanizer-editor-grid.is-doc-expanded .output-studio {
  display: none;
}

.humanizer-editor-pane {
  display: flex;
  flex-direction: column;
  min-width: 0;
  border: 1px solid var(--uth-line-strong);
  border-radius: var(--uth-radius-md);
  background: var(--uth-surface);
  overflow: visible;
}

.editor-studio-header,
.output-studio-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 12px;
  min-height: 48px;
  padding: 8px 14px;
  border-bottom: 1px solid var(--uth-line);
  border-radius: var(--uth-radius-md) var(--uth-radius-md) 0 0;
  background: var(--uth-surface-subtle);
}

.editor-studio-title,
.editor-header-right {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.editor-studio-title label,
.editor-studio-heading {
  margin: 0;
  color: var(--uth-ink);
  font-size: 13.5px;
  font-weight: 700;
}

.doc-mode-switch {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 2px;
  border: 1px solid var(--uth-line);
  border-radius: 6px;
  background: var(--uth-surface-muted);
}

.doc-mode-btn {
  min-height: 25px;
  padding: 2px 8px;
  border: 0;
  border-radius: 4px;
  background: transparent;
  color: var(--uth-ink-secondary);
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.14s ease, color 0.14s ease;
}

.doc-mode-btn[aria-selected="true"] {
  background: var(--uth-surface);
  color: var(--uth-blue-dark);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06);
}

.humanizer-panel-meta {
  color: var(--uth-muted);
  font-size: 12px;
  font-weight: 500;
}

.humanizer-select-sm {
  min-height: 30px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
}

/* Editor & Output Ribbons */
.editor-ribbon,
.output-actionbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 6px 10px;
  padding: 6px 12px;
  border-bottom: 1px solid var(--uth-line);
  background: #fbfdfe;
}

.doc-utility-ribbon {
  background: #f6fafd;
}

.editor-ribbon-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
}

.editor-ribbon-divider {
  width: 1px;
  height: 18px;
  margin: 0 2px;
  background: var(--uth-line-strong);
}

.doc-toolbar-select {
  min-height: 29px;
  padding: 3px 8px;
  border: 1px solid var(--uth-line);
  border-radius: 6px;
  background: var(--uth-surface);
  color: var(--uth-ink);
  font-size: 12px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
}

.doc-toolbar-select:focus-visible,
.doc-goal-select:focus-visible {
  outline: 2px solid var(--uth-blue);
  outline-offset: 1px;
}

.doc-u-icon {
  text-decoration: underline;
}

.editor-tool-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-height: 29px;
  padding: 4px 8px;
  border: 1px solid var(--uth-line);
  border-radius: 6px;
  background: var(--uth-surface);
  color: var(--uth-ink-secondary);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 0.14s ease, border-color 0.14s ease, color 0.14s ease;
}

.editor-tool-btn:hover:not(:disabled) {
  background: var(--uth-surface-muted);
  border-color: var(--uth-line-strong);
  color: var(--uth-ink);
}

.editor-tool-btn:focus-visible {
  outline: 2px solid var(--uth-blue);
  outline-offset: 1px;
}

.editor-tool-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.editor-tool-btn[aria-expanded="true"],
.editor-tool-btn[aria-pressed="true"],
.editor-tool-accent {
  border-color: #9ecae1;
  background: var(--uth-blue-soft);
  color: var(--uth-blue-dark);
}

.editor-tool-primary {
  border-color: var(--uth-blue);
  background: var(--uth-blue);
  color: #ffffff;
}

.editor-tool-primary:hover:not(:disabled) {
  border-color: var(--uth-blue-dark);
  background: var(--uth-blue-dark);
  color: #ffffff;
}

.editor-tool-danger {
  border-color: #f1c4c6;
  background: var(--uth-coral-soft);
  color: #b43439;
}

.editor-tool-danger:hover:not(:disabled) {
  border-color: var(--uth-coral);
  background: var(--uth-coral);
  color: #ffffff;
}

.editor-tool-btn[hidden] {
  display: none !important;
}

/* Inline Link & Find/Replace Bars */
.editor-find-bar,
.doc-link-bar {
  display: grid;
  grid-template-columns: 1fr 1.2fr auto auto;
  gap: 6px;
  align-items: center;
  padding: 8px 12px;
  border-bottom: 1px solid var(--uth-line);
  background: var(--uth-surface-muted);
}

.editor-find-bar[hidden],
.doc-link-bar[hidden],
.doc-outline-panel[hidden] {
  display: none !important;
}

.uth-input-sm {
  min-height: 30px;
  padding: 4px 9px;
  font-size: 12.5px;
}

/* Live Article Outline / Table of Contents Strip */
.doc-outline-panel {
  max-height: 155px;
  overflow-y: auto;
  padding: 9px 14px;
  border-bottom: 1px solid var(--uth-line);
  background: #f8fbfd;
  font-size: 12.5px;
}

.doc-outline-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
  color: var(--uth-muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.doc-outline-list {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.doc-outline-item {
  display: flex;
  align-items: baseline;
  gap: 7px;
  width: 100%;
  padding: 3px 6px;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: var(--uth-ink-secondary);
  font-size: 12.5px;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
}

.doc-outline-item:hover {
  background: var(--uth-blue-soft);
  color: var(--uth-blue-dark);
}

.doc-outline-item[data-level="2"] {
  padding-left: 16px;
}

.doc-outline-item[data-level="3"] {
  padding-left: 28px;
}

.doc-outline-tag {
  color: var(--uth-muted);
  font-size: 10.5px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

/* Document Desk, Paper Sheet & Rich Blog/Article Canvas */
.editor-body-wrap,
.output-viewport-wrap {
  position: relative;
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
}

.doc-desk {
  background: #f2f7fb;
  padding: 14px;
  min-height: 430px;
  max-height: 640px;
  overflow-y: auto;
}

.doc-desk[data-mode="docx"] {
  padding: 0;
  min-height: 540px;
  max-height: none;
  overflow: hidden;
  background: var(--uth-surface);
}

.docx-studio-surface {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  width: 100%;
  min-height: 540px;
  background: var(--uth-surface);
}

.uth-ej2-docx-host {
  width: 100%;
  min-height: 540px;
}

/* Suppress Syncfusion EJ2 Trial Validation Banner & Overlay Without Affecting Word Dialogs */
body > div:has(> .license-banner-close),
body > div:has(.license-overlay-close),
body > div:has(> a[href*="syncfusion.com/account/claim-license-key"]) {
  display: none !important;
  visibility: hidden !important;
  pointer-events: none !important;
}

/* Customized Syncfusion EJ2 DOCX Editor Theme Overrides (UfaqTech Palette) */
.docx-studio-surface .e-de-ctn {
  border: 0 !important;
  font-family: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif !important;
  background: var(--uth-surface) !important;
}

.docx-studio-surface .e-de-ctnr-tlbr,
.docx-studio-surface .e-toolbar {
  border-top: 0 !important;
  border-left: 0 !important;
  border-right: 0 !important;
  border-bottom: 1px solid var(--uth-line) !important;
  background: #fbfdfe !important;
  min-height: 42px !important;
  height: auto !important;
  padding: 2px 4px !important;
}

.docx-studio-surface .e-toolbar .e-toolbar-items {
  background: transparent !important;
  min-height: 40px !important;
}

.docx-studio-surface .e-toolbar .e-toolbar-item {
  min-height: 40px !important;
  height: auto !important;
  padding: 2px 2px !important;
  vertical-align: middle !important;
}

.docx-studio-surface .e-toolbar .e-toolbar-item.e-separator {
  height: 24px !important;
  min-height: 24px !important;
  margin: 8px 4px !important;
}

.docx-studio-surface .e-toolbar .e-tbar-btn {
  border-radius: 6px !important;
  font-family: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif !important;
}

.docx-studio-surface .e-toolbar .e-tbar-btn:hover {
  background: var(--uth-surface-muted) !important;
}

/* Highlight Custom UfaqTech AI Humanizer Toolbar Actions Inside Syncfusion Toolbar */
.docx-studio-surface [id$="uth_docx_humanize"] .e-tbar-btn,
.docx-studio-surface button[id$="uth_docx_humanize"] {
  background: var(--uth-blue) !important;
  border: 1px solid var(--uth-blue) !important;
  color: #ffffff !important;
  font-weight: 700 !important;
  height: 30px !important;
  min-height: 30px !important;
  margin: 4px 3px !important;
  padding: 0 11px !important;
  display: inline-flex !important;
  align-items: center !important;
}

.docx-studio-surface [id$="uth_docx_humanize"] .e-tbar-btn .e-tbar-btn-text,
.docx-studio-surface button[id$="uth_docx_humanize"] .e-tbar-btn-text {
  color: #ffffff !important;
  font-size: 12px !important;
  font-weight: 700 !important;
  line-height: 1 !important;
}

.docx-studio-surface [id$="uth_docx_humanize"] .e-tbar-btn:hover,
.docx-studio-surface [id$="uth_docx_humanize"] .e-tbar-btn:focus,
.docx-studio-surface [id$="uth_docx_humanize"] .e-tbar-btn:active,
.docx-studio-surface button[id$="uth_docx_humanize"]:hover,
.docx-studio-surface button[id$="uth_docx_humanize"]:focus,
.docx-studio-surface button[id$="uth_docx_humanize"]:active {
  background: var(--uth-blue-dark) !important;
  border-color: var(--uth-blue-dark) !important;
  color: #ffffff !important;
}

.docx-studio-surface [id$="uth_docx_grammar"] .e-tbar-btn,
.docx-studio-surface button[id$="uth_docx_grammar"],
.docx-studio-surface [id$="uth_docx_props"] .e-tbar-btn,
.docx-studio-surface button[id$="uth_docx_props"],
.docx-studio-surface [id$="uth_docx_export"] .e-tbar-btn,
.docx-studio-surface button[id$="uth_docx_export"] {
  background: var(--uth-blue-soft) !important;
  border: 1px solid #b9dcf0 !important;
  color: var(--uth-blue-dark) !important;
  height: 30px !important;
  min-height: 30px !important;
  margin: 4px 3px !important;
  padding: 0 10px !important;
  display: inline-flex !important;
  align-items: center !important;
}

.docx-studio-surface [id$="uth_docx_grammar"] .e-tbar-btn:hover,
.docx-studio-surface [id$="uth_docx_grammar"] .e-tbar-btn:focus,
.docx-studio-surface [id$="uth_docx_props"] .e-tbar-btn:hover,
.docx-studio-surface [id$="uth_docx_props"] .e-tbar-btn:focus,
.docx-studio-surface [id$="uth_docx_export"] .e-tbar-btn:hover,
.docx-studio-surface [id$="uth_docx_export"] .e-tbar-btn:focus,
.docx-studio-surface button[id$="uth_docx_grammar"]:hover,
.docx-studio-surface button[id$="uth_docx_grammar"]:focus,
.docx-studio-surface button[id$="uth_docx_props"]:hover,
.docx-studio-surface button[id$="uth_docx_props"]:focus,
.docx-studio-surface button[id$="uth_docx_export"]:hover,
.docx-studio-surface button[id$="uth_docx_export"]:focus {
  background: #dceff9 !important;
  border-color: var(--uth-blue) !important;
  color: var(--uth-blue-dark) !important;
}

.docx-studio-surface [id$="uth_docx_grammar"] .e-tbar-btn .e-tbar-btn-text,
.docx-studio-surface button[id$="uth_docx_grammar"] .e-tbar-btn-text,
.docx-studio-surface [id$="uth_docx_props"] .e-tbar-btn .e-tbar-btn-text,
.docx-studio-surface button[id$="uth_docx_props"] .e-tbar-btn-text,
.docx-studio-surface [id$="uth_docx_export"] .e-tbar-btn .e-tbar-btn-text,
.docx-studio-surface button[id$="uth_docx_export"] .e-tbar-btn-text {
  color: var(--uth-blue-dark) !important;
  font-size: 12px !important;
  font-weight: 700 !important;
  line-height: 1 !important;
}

.docx-studio-surface .e-de-Invalid,
.docx-studio-surface .e-de-ctn-viewer,
.docx-studio-surface .e-de-background {
  background-color: #eef5f9 !important;
}

.docx-studio-surface .e-de-prop-pane {
  border-left: 1px solid var(--uth-line) !important;
  background: #fbfdfe !important;
}

.doc-sheet {
  width: 100%;
  min-height: 400px;
  margin: 0 auto;
  padding: 22px 26px 30px;
  border: 1px solid #dce8f0;
  border-radius: 10px;
  background: #ffffff;
  box-shadow: 0 3px 12px rgba(15, 23, 42, 0.035);
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
}

.humanizer-editor-grid.is-doc-expanded .doc-sheet {
  max-width: 840px;
  padding: 34px 48px 44px;
}

.doc-sheet[hidden],
.doc-markdown-editor[hidden],
.docx-studio-surface[hidden],
.editor-ribbon[hidden] {
  display: none !important;
}

.doc-desk[data-font="serif"] .doc-sheet {
  font-family: Georgia, "Iowan Old Style", "Palatino Linotype", "Times New Roman", serif;
}

.doc-desk[data-font="mono"] .doc-sheet {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

.doc-meta-header {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-bottom: 12px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--uth-line);
}

.doc-title-input {
  display: block;
  width: 100%;
  padding: 2px 0;
  border: 0;
  resize: none;
  overflow: hidden;
  background: transparent;
  color: var(--uth-ink);
  font-family: inherit;
  font-size: 22px;
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -0.02em;
}

.doc-title-input::placeholder {
  color: #94a3b8;
  font-weight: 700;
}

.doc-subtitle-input {
  display: block;
  width: 100%;
  padding: 2px 0;
  border: 0;
  resize: none;
  overflow: hidden;
  background: transparent;
  color: var(--uth-muted);
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 500;
  line-height: 1.48;
}

.doc-subtitle-input::placeholder {
  color: #a1b2c3;
}

.doc-title-input:focus-visible,
.doc-subtitle-input:focus-visible,
.doc-rich-editor:focus-visible {
  outline: none;
}

.doc-rich-editor {
  flex: 1 1 auto;
  min-height: 280px;
  color: var(--uth-ink);
  font-size: 15.5px;
  line-height: 1.78;
  white-space: normal;
  word-break: break-word;
}

.doc-clean-preview {
  min-height: 0;
}

.doc-clean-subtitle {
  margin: -4px 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--uth-line);
  color: var(--uth-muted);
  font-size: 14px;
  line-height: 1.5;
}

.doc-rich-editor:empty::before {
  content: attr(data-placeholder);
  color: #94a3b8;
  pointer-events: none;
}

.doc-rich-editor h1 {
  margin: 20px 0 10px;
  color: var(--uth-ink);
  font-size: 23px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.doc-rich-editor h2 {
  margin: 18px 0 8px;
  color: var(--uth-ink);
  font-size: 18.5px;
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -0.015em;
}

.doc-rich-editor h3 {
  margin: 14px 0 6px;
  color: var(--uth-ink);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.38;
}

.doc-rich-editor h1:first-child,
.doc-rich-editor h2:first-child,
.doc-rich-editor h3:first-child {
  margin-top: 0;
}

.doc-rich-editor p {
  margin: 0 0 13px;
}

.doc-rich-editor ul,
.doc-rich-editor ol {
  margin: 0 0 14px;
  padding-left: 22px;
}

.doc-rich-editor li {
  margin-bottom: 5px;
}

.doc-rich-editor blockquote {
  margin: 14px 0;
  padding: 12px 16px;
  border: 1px solid var(--uth-line);
  border-radius: 8px;
  background: #f5f9fc;
  color: var(--uth-ink-secondary);
  font-style: italic;
}

.doc-rich-editor pre {
  margin: 14px 0;
  padding: 12px 14px;
  border: 1px solid #1e293b;
  border-radius: 8px;
  background: #0f172a;
  color: #e2e8f0;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
  line-height: 1.55;
  overflow-x: auto;
}

.doc-rich-editor code {
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--uth-surface-muted);
  border: 1px solid var(--uth-line);
  color: #0f172a;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.88em;
}

.doc-rich-editor pre code {
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
}

.doc-rich-editor hr {
  margin: 20px 0;
  border: 0;
  border-top: 1px solid var(--uth-line-strong);
}

.doc-rich-editor a {
  color: var(--uth-blue);
  text-decoration: underline;
}

.doc-markdown-editor {
  min-height: 400px;
  border: 1px solid #dce8f0 !important;
  border-radius: 10px !important;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace !important;
  font-size: 13.5px !important;
  line-height: 1.65 !important;
}

.doc-goal-select {
  border: 0;
  background: transparent;
  color: var(--uth-ink-secondary);
  font-size: 12px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  padding: 0 2px;
}

.humanizer-editor,
.humanizer-result,
.humanizer-output-editor {
  width: 100%;
  min-height: 430px;
  flex: 1 1 auto;
  padding: 18px 20px;
  border: 0;
  border-radius: 0;
  background: var(--uth-surface);
  color: var(--uth-ink);
  font-size: 15px;
  line-height: 1.75;
  font-family: inherit;
}

.humanizer-editor {
  resize: vertical;
}

.humanizer-editor:focus-visible,
.humanizer-output-editor:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px rgba(30, 136, 187, 0.28);
}

.humanizer-output-editor {
  resize: vertical;
  background: #fffef9;
  box-shadow: inset 0 0 0 2px rgba(30, 136, 187, 0.35);
}

.humanizer-output-editor[hidden],
.humanizer-result[hidden] {
  display: none !important;
}

.humanizer-result {
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
  background: #fcfdfe;
}

.humanizer-result.is-placeholder {
  color: var(--uth-muted);
}

/* Output Studio Tabs */
.output-tabs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
}

.output-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  padding: 5px 11px;
  border: 1px solid transparent;
  border-radius: 7px;
  background: transparent;
  color: var(--uth-ink-secondary);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.14s ease, color 0.14s ease, border-color 0.14s ease;
}

.output-tab-btn:hover {
  background: var(--uth-surface-muted);
  color: var(--uth-ink);
}

.output-tab-btn[aria-selected="true"] {
  border-color: var(--uth-line-strong);
  background: var(--uth-surface);
  color: var(--uth-blue-dark);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.05);
}

.output-tab-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 19px;
  height: 18px;
  padding: 0 5px;
  border-radius: 6px;
  background: var(--uth-surface-muted);
  color: var(--uth-ink-secondary);
  font-size: 11px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.output-tab-btn[aria-selected="true"] .output-tab-count {
  background: var(--uth-blue-soft);
  color: var(--uth-blue-dark);
}

/* Editor & Output Bottom Status Bars */
.editor-statusbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 6px 12px;
  padding: 8px 14px;
  border-top: 1px solid var(--uth-line);
  border-radius: 0 0 var(--uth-radius-md) var(--uth-radius-md);
  background: var(--uth-surface-subtle);
  color: var(--uth-muted);
  font-size: 12px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.editor-status-left,
.editor-status-right {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
}

.humanizer-stat-sep {
  color: #9fb4c4;
}

.humanizer-score-delta {
  font-weight: 700;
  color: var(--uth-green);
}

/* Interactive Highlighted Sentences & Phrase Spans */
.uth-para {
  margin: 0 0 14px;
}

.uth-para:last-child {
  margin-bottom: 0;
}

.uth-sent {
  border-radius: 4px;
  transition: background-color 0.14s ease, box-shadow 0.14s ease;
}

.uth-sent.is-modified {
  background: rgba(30, 136, 187, 0.08);
  border-bottom: 2px solid rgba(30, 136, 187, 0.42);
  padding: 1px 2px;
  cursor: pointer;
}

.uth-sent.is-modified:hover,
.uth-sent.is-modified:focus-visible,
.uth-sent.is-active {
  background: rgba(30, 136, 187, 0.18);
  border-bottom-color: var(--uth-blue);
  outline: none;
}

.uth-sent.is-clean-hover:hover {
  background: rgba(15, 23, 42, 0.045);
  cursor: pointer;
}

.uth-hl-phrase {
  background: #dcfce7;
  color: #14532d;
  font-weight: 600;
  padding: 0 1px;
  border-radius: 3px;
  border-bottom: 1.5px solid #16a34a;
}

.uth-sent.is-advisory {
  background: rgba(217, 119, 6, 0.07);
  border-bottom: 2px dashed rgba(217, 119, 6, 0.55);
  padding: 1px 2px;
  cursor: pointer;
}

.uth-sent.is-advisory:hover,
.uth-sent.is-advisory:focus-visible {
  background: rgba(217, 119, 6, 0.15);
  border-bottom-color: #d97706;
  outline: none;
}

.uth-hl-advisory {
  background: #fef3c7;
  color: #78350f;
  font-weight: 600;
  padding: 0 2px;
  border-radius: 3px;
  border-bottom: 1.5px dashed #d97706;
}

.uth-flash-applied {
  animation: uth-flash 0.75s ease;
}

@keyframes uth-flash {
  0% {
    background-color: #bbf7d0;
  }
  100% {
    background-color: rgba(30, 136, 187, 0.08);
  }
}

/* Grammarly-Style Floating Hover Multi-Suggestion Popover */
.uth-popover {
  position: absolute;
  z-index: 60;
  width: min(430px, calc(100% - 20px));
  padding: 13px 14px;
  border: 1px solid var(--uth-line-strong);
  border-radius: 11px;
  background: #ffffff;
  color: var(--uth-ink);
  box-shadow: 0 16px 38px rgba(15, 23, 42, 0.16), 0 2px 8px rgba(15, 23, 42, 0.06);
  white-space: normal;
  font-size: 13px;
  line-height: 1.45;
}

.uth-popover[hidden] {
  display: none !important;
}

.uth-popover-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
  padding-bottom: 7px;
  border-bottom: 1px solid var(--uth-line);
}

.uth-popover-cat {
  color: var(--uth-blue-dark);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.uth-popover-close {
  border: 0;
  background: transparent;
  color: var(--uth-muted);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
}

.uth-popover-close:hover {
  background: var(--uth-surface-muted);
  color: var(--uth-ink);
}

.uth-popover-reason {
  margin: 0 0 9px;
  color: var(--uth-ink-secondary);
  font-size: 12.5px;
}

.uth-popover-section-label {
  display: block;
  margin: 8px 0 5px;
  color: var(--uth-muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.uth-phrase-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 8px;
}

.uth-alt-chip {
  padding: 4px 9px;
  border: 1px solid #9ecae1;
  border-radius: 6px;
  background: var(--uth-blue-soft);
  color: var(--uth-blue-dark);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}

.uth-alt-chip:hover {
  border-color: var(--uth-blue);
  background: var(--uth-blue);
  color: #ffffff;
}

.uth-sent-options {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 225px;
  overflow-y: auto;
}

.uth-sent-option {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--uth-line);
  border-radius: 7px;
  background: var(--uth-surface-subtle);
  color: var(--uth-ink);
  text-align: left;
  cursor: pointer;
  transition: border-color 0.13s ease, background-color 0.13s ease;
}

.uth-sent-option:hover,
.uth-sent-option:focus-visible {
  border-color: var(--uth-blue);
  background: var(--uth-blue-soft);
  outline: none;
}

.uth-sent-option.is-current {
  border-color: #86efac;
  background: #f0fdf4;
}

.uth-sent-option-style {
  color: var(--uth-blue-dark);
  font-size: 11px;
  font-weight: 700;
}

.uth-sent-option-text {
  color: var(--uth-ink);
  font-size: 12.5px;
  line-height: 1.45;
}

.uth-popover-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 9px;
  padding-top: 7px;
  border-top: 1px solid var(--uth-line);
}

.uth-popover-orig {
  color: var(--uth-muted);
  font-size: 11.5px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 240px;
}

/* Diff & Pattern Highlights */
.humanizer-diff-added {
  background: #dcfce7;
  color: #14532d;
  text-decoration: none;
  padding: 1px 4px;
  border-radius: 3px;
}

.humanizer-diff-removed {
  background: #fee2e2;
  color: #991b1b;
  text-decoration: line-through;
  padding: 1px 4px;
  border-radius: 3px;
}

.humanizer-page p code,
.humanizer-page label code,
.humanizer-page li code,
.humanizer-page h2 code {
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--uth-surface-muted);
  border: 1px solid var(--uth-line);
  color: var(--uth-ink);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9em;
}

mark.humanizer-diff-review {
  background: #fef3c7;
  color: #78350f;
  padding: 1px 4px;
  border-radius: 3px;
  border-bottom: 1px dashed #d97706;
}

/* Status Banner */
.humanizer-status {
  margin-top: 14px;
  padding: 11px 14px;
  border: 1px solid var(--uth-line);
  border-radius: var(--uth-radius-sm);
  background: var(--uth-blue-soft);
  color: #0c4a6e;
  font-size: 13.5px;
  font-weight: 500;
}

.humanizer-status[data-state="error"] {
  border-color: #f3c2c4;
  background: var(--uth-coral-soft);
  color: #881337;
}

.humanizer-status[data-state="success"] {
  border-color: #bbf7d0;
  background: var(--uth-green-soft);
  color: #14532d;
}

/* In-Output Suggestions Tab Cards */
.uth-cards-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  white-space: normal;
}

.uth-review-card {
  padding: 12px 14px;
  border: 1px solid var(--uth-line);
  border-radius: var(--uth-radius-sm);
  background: var(--uth-surface);
  font-size: 13px;
}

.uth-review-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}

.uth-review-card-cat {
  color: var(--uth-blue-dark);
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
}

.uth-review-card-orig {
  margin: 0 0 6px;
  color: var(--uth-muted);
  font-size: 12.5px;
  text-decoration: line-through;
}

.uth-review-card-cur {
  margin: 0 0 8px;
  color: var(--uth-ink);
  font-size: 13.5px;
  font-weight: 600;
}

/* Info Cards & Grids (Tools Hub, Features, Extension Page) */
.humanizer-shell > h2 {
  margin: 0 0 16px;
  font-size: 22px;
  font-weight: 800;
  color: var(--uth-ink);
  letter-spacing: -0.015em;
}

.humanizer-info-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.humanizer-hero .humanizer-info-grid.humanizer-shell {
  padding-left: 0;
  padding-right: 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.humanizer-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 10px;
  padding: 22px;
  border: 1px solid var(--uth-line);
  border-radius: var(--uth-radius-md);
  background: var(--uth-surface);
}

.humanizer-section-label {
  display: block;
  color: var(--uth-blue);
  font-size: 12px;
  font-weight: 700;
}

.humanizer-card h2 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--uth-ink);
  line-height: 1.3;
}

.humanizer-card h2 a {
  color: inherit;
  text-decoration: none;
}

.humanizer-card h2 a:hover {
  color: var(--uth-blue);
}

.humanizer-card p {
  margin: 0;
  color: var(--uth-ink-secondary);
  font-size: 14px;
  line-height: 1.6;
}

.humanizer-card ul {
  margin: 4px 0 8px;
  padding-left: 18px;
  color: var(--uth-ink-secondary);
  font-size: 13.5px;
}

.humanizer-card li {
  margin-bottom: 5px;
}

.humanizer-card pre {
  margin: 6px 0;
  padding: 12px 14px;
  border: 1px solid #1e293b;
  border-radius: var(--uth-radius-sm);
  background: #0f172a;
  color: #e2e8f0;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  line-height: 1.55;
  overflow-x: auto;
}

/* Extension & UTH-Server Page Specifics */
.uth-connection-map {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.uth-connection-step {
  position: relative;
  padding: 14px 16px;
  border: 1px solid var(--uth-line);
  border-radius: var(--uth-radius-sm);
  background: var(--uth-surface);
  color: var(--uth-ink);
  font-size: 13.5px;
  font-weight: 700;
  text-align: center;
}

.uth-download-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.uth-download-status {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 14px 0;
  padding: 12px 16px;
  border: 1px solid var(--uth-line);
  border-radius: var(--uth-radius-sm);
  background: var(--uth-blue-soft);
  color: #0c4a6e;
  font-size: 13.5px;
  font-weight: 600;
}

.uth-download-status[hidden] {
  display: none !important;
}

.uth-download-status[data-state="error"] {
  border-color: #f3c2c4;
  background: var(--uth-coral-soft);
  color: #881337;
}

.uth-download-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(30, 136, 187, 0.25);
  border-top-color: var(--uth-blue);
  border-radius: 50%;
  animation: uth-spin 0.7s linear infinite;
}

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

.uth-note {
  margin: 14px 0 0;
  padding: 12px 16px;
  border: 1px solid var(--uth-line);
  border-radius: var(--uth-radius-sm);
  background: var(--uth-surface-subtle);
  color: var(--uth-ink-secondary);
  font-size: 13.5px;
}

.uth-install h2#extension-install {
  margin-top: 28px;
}

.uth-install ol {
  margin: 0 0 14px;
  padding-left: 20px;
  color: var(--uth-ink-secondary);
  font-size: 14.5px;
  line-height: 1.75;
}

/* Live Local Server & Extension Diagnostic Console */
.uth-live-console {
  padding: 22px;
  border: 1px solid var(--uth-line);
  border-radius: var(--uth-radius-lg);
  background: var(--uth-surface);
  box-shadow: var(--uth-shadow);
}

.uth-live-grid {
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.uth-popup-preview {
  padding: 18px;
  border: 1px solid #293548;
  border-radius: 12px;
  background: #101827;
  color: #eef4ff;
}

.uth-popup-preview h3 {
  margin: 0 0 4px;
  color: #ffffff;
  font-size: 16px;
  font-weight: 700;
}

.uth-popup-preview p {
  margin: 0 0 12px;
  color: #a9b8d1;
  font-size: 12.5px;
}

.uth-popup-status-box {
  padding: 11px 12px;
  margin-bottom: 12px;
  border: 1px solid #33445f;
  border-radius: 8px;
  background: #17243a;
  font-size: 13px;
}

.uth-popup-field {
  margin-bottom: 10px;
}

.uth-popup-field label {
  display: block;
  margin-bottom: 4px;
  color: #cbd5e1;
  font-size: 12px;
  font-weight: 600;
}

.uth-popup-field input,
.uth-popup-field select {
  width: 100%;
  min-height: 36px;
  padding: 6px 10px;
  border: 1px solid #3a4b67;
  border-radius: 6px;
  background: #19263b;
  color: #f8fafc;
  font-size: 13px;
}

.uth-popup-actions {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 9px;
  margin-top: 14px;
}

.uth-popup-secondary-btn {
  width: 100%;
  min-height: 38px;
  padding: 7px 14px;
  border: 1px solid #354764;
  border-radius: 8px;
  background: #18253a;
  color: #e2e8f0;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.16s ease, border-color 0.16s ease, color 0.16s ease;
}

.uth-popup-secondary-btn:hover {
  background: #21324d;
  border-color: #4f6a92;
  color: #ffffff;
}

.uth-popup-secondary-btn:focus-visible {
  outline: 2px solid #38bdf8;
  outline-offset: 2px;
}

.uth-popup-status-box[data-conn-status="connected"] {
  border-color: rgba(52, 211, 153, 0.45);
  background: rgba(16, 185, 129, 0.12);
  color: #d1fae5;
}

.uth-popup-status-box[data-conn-status="connecting"],
.uth-popup-status-box[data-conn-status="disconnecting"] {
  border-color: rgba(56, 189, 248, 0.45);
  background: rgba(14, 165, 233, 0.14);
  color: #e0f2fe;
}

.uth-popup-status-box[data-conn-status="error"] {
  border-color: rgba(248, 113, 113, 0.5);
  background: rgba(239, 68, 68, 0.14);
  color: #fecaca;
}

.uth-log-output {
  min-height: 220px;
  max-height: 320px;
  padding: 14px;
  border: 1px solid #1e293b;
  border-radius: var(--uth-radius-sm);
  background: #0f172a;
  color: #e2e8f0;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12.5px;
  line-height: 1.55;
  overflow-y: auto;
  white-space: pre-wrap;
}

/* 3D Animated Download Button (.dl-button) */
.dl-button {
  --duration: 2200;
  --dl-lh: 22px;
  --dl-surface: #ffffff;
  --dl-surface-hover: #f6fafd;
  --dl-border: var(--uth-line-strong);
  --dl-border-hover: #8bb5cb;
  --dl-icon: var(--uth-blue);
  --dl-label: var(--uth-ink);
  --dl-counter: #475569;
  --dl-done: #0f9d58;
  --dl-success: #16bf78;
  --dl-track: #e2ecf3;
  --dl-shadow: 0 3px 10px rgba(15, 23, 42, 0.08);
  --dl-shadow-hover: 0 6px 16px rgba(15, 23, 42, 0.12);
  appearance: none;
  -webkit-appearance: none;
  border: 0;
  background: transparent;
  padding: 0;
  margin: 0;
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
  text-decoration: none;
  font-family: inherit;
  cursor: pointer;
  perspective: 500px;
  -webkit-tap-highlight-color: transparent;
}

.dl-button:focus-visible {
  outline: none;
}

.dl-button:focus-visible > div {
  outline: 2px solid var(--uth-blue);
  outline-offset: 2px;
}

.dl-button--primary {
  --dl-surface: #0f172a;
  --dl-surface-hover: #17253e;
  --dl-border: #1e293b;
  --dl-border-hover: #334155;
  --dl-icon: #38bdf8;
  --dl-label: #ffffff;
  --dl-counter: #e2e8f0;
  --dl-done: #34d399;
  --dl-success: #16bf78;
  --dl-track: rgba(255, 255, 255, 0.16);
  --dl-shadow: 0 6px 16px rgba(15, 23, 42, 0.22);
  --dl-shadow-hover: 0 10px 22px rgba(15, 23, 42, 0.28);
}

.dl-button > div {
  --dl-active-bg: var(--dl-surface);
  position: relative;
  background: var(--dl-active-bg);
  border: 1px solid var(--dl-border);
  border-radius: var(--uth-radius-sm);
  overflow: hidden;
  display: flex;
  align-items: center;
  min-height: 42px;
  padding: 9px 18px;
  box-shadow: var(--dl-shadow);
  transform-style: preserve-3d;
  transition:
    background-color 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

.dl-button:not(.active):hover > div {
  --dl-active-bg: var(--dl-surface-hover);
  background: var(--dl-active-bg);
  border-color: var(--dl-border-hover);
  box-shadow: var(--dl-shadow-hover);
}

.dl-button.active > div {
  animation: dl-button-tilt calc(var(--duration) * 1ms) linear forwards;
}

.uth-download-card .dl-button {
  display: block;
  width: 100%;
}

.uth-download-card .dl-button > div {
  width: 100%;
  justify-content: center;
}

.dl-button > div .icon {
  --color: var(--dl-icon);
  margin-right: 10px;
  position: relative;
  flex-shrink: 0;
  transform: translateZ(8px);
}

.dl-button.done > div .icon {
  --color: var(--dl-success);
}

.dl-button > div .icon > div {
  overflow: hidden;
  position: relative;
  width: 20px;
  height: 22px;
  transition: transform 0.3s ease;
}

.dl-button.active > div .icon > div {
  transform: translateY(-2px) scale(0.92);
}

.dl-button > div .icon > div::before,
.dl-button > div .icon > div::after {
  content: "";
  position: absolute;
  width: 2px;
  height: 2px;
  top: 2px;
  z-index: 3;
  transition: opacity 0.25s ease;
}

.dl-button > div .icon > div::before {
  left: 6px;
  background-image: radial-gradient(circle at 0 100%, var(--color) 2px, var(--dl-active-bg) 0px);
}

.dl-button > div .icon > div::after {
  right: 6px;
  background-image: radial-gradient(circle at 100% 100%, var(--color) 2px, var(--dl-active-bg) 0px);
}

.dl-button.active > div .icon > div::before,
.dl-button.active > div .icon > div::after {
  opacity: 0;
}

.dl-button > div .icon > div svg {
  width: 20px;
  height: 18px;
  display: block;
  margin-top: 2px;
  position: relative;
  z-index: 1;
}

.dl-button > div .icon > div svg.arrow {
  color: var(--dl-active-bg);
  position: absolute;
  left: 0;
  top: 0;
  z-index: 2;
  transform: translateY(-1px);
  transition: color 0.2s ease;
}

.dl-button.active > div .icon > div svg.arrow {
  animation: dl-arrow-bounce calc(var(--duration) * 1ms) linear forwards;
}

.dl-button > div .icon > div svg.shape {
  color: var(--color);
  transition: color 0.35s ease;
}

.dl-button > div .icon > span {
  --s: 0.55;
  position: absolute;
  left: 1px;
  right: 1px;
  bottom: 0;
  background: var(--color);
  height: 5px;
  border-radius: 50%;
  display: block;
  opacity: 0;
  transform: translateY(0) scale(var(--s));
  transition: background-color 0.35s ease, opacity 0.25s ease;
}

.dl-button.active > div .icon > span {
  opacity: 1;
  animation: dl-slot-pulse calc(var(--duration) * 1ms) linear forwards;
}

.dl-button > div .label {
  --color: var(--dl-label);
  line-height: var(--dl-lh);
  height: var(--dl-lh);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--color);
  position: relative;
  white-space: nowrap;
  transition:
    width 0.36s cubic-bezier(0.22, 1, 0.36, 1),
    color 0.35s ease;
}

.dl-button > div .label .default {
  opacity: 0;
  transform: translateY(-10px);
  pointer-events: none;
  transition: opacity 0.24s ease, transform 0.28s ease;
}

.dl-button > div .label .default.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.dl-button > div .label .state {
  position: absolute;
  left: 0;
  top: 0;
  height: var(--dl-lh);
  display: flex;
  align-items: center;
  pointer-events: none;
}

.dl-button > div .label .counter {
  display: flex;
  align-items: center;
  height: var(--dl-lh);
  overflow: hidden;
  color: var(--dl-counter);
  font-variant-numeric: tabular-nums;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.24s ease, transform 0.28s ease;
}

.dl-button.active > div .label .counter {
  opacity: 1;
  transform: translateY(0);
}

.dl-button.done > div .label .counter {
  opacity: 0;
  transform: translateY(-10px);
}

.dl-button > div .label .counter ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  text-align: right;
  font-size: inherit;
  line-height: var(--dl-lh);
  height: var(--dl-lh);
  transform: translateY(0);
}

.dl-button > div .label .counter ul li {
  margin: 0;
  padding: 0;
  height: var(--dl-lh);
  line-height: var(--dl-lh);
  display: block;
}

.dl-button > div .label .counter ul.dl-hundreds {
  width: 0;
  overflow: hidden;
}

.dl-button.active > div .label .counter ul.dl-hundreds,
.dl-button.done > div .label .counter ul.dl-hundreds {
  width: 0.62em;
  transform: translateY(calc(-1 * var(--dl-lh)));
  transition:
    width 0.16s ease calc(var(--duration) * 0.82ms),
    transform calc(var(--duration) * 0.18ms) cubic-bezier(0.22, 1, 0.36, 1) calc(var(--duration) * 0.82ms);
}

.dl-button.active > div .label .counter ul.dl-tens,
.dl-button.done > div .label .counter ul.dl-tens {
  transform: translateY(calc(-10 * var(--dl-lh)));
  transition: transform calc(var(--duration) * 1ms) cubic-bezier(0.25, 0.8, 0.35, 1);
}

.dl-button.active > div .label .counter ul.dl-ones,
.dl-button.done > div .label .counter ul.dl-ones {
  transform: translateY(calc(-30 * var(--dl-lh)));
  transition: transform calc(var(--duration) * 1ms) cubic-bezier(0.25, 0.8, 0.35, 1);
  animation: dl-counter-blur calc(var(--duration) * 1ms) linear forwards;
}

.dl-button > div .label .counter > span {
  margin-left: 1px;
  line-height: var(--dl-lh);
}

.dl-button > div .label .state .dl-done-text {
  position: absolute;
  left: 0;
  top: 0;
  height: var(--dl-lh);
  line-height: var(--dl-lh);
  color: var(--dl-done);
  font-weight: 700;
  opacity: 0;
  transform: translateY(10px);
  transition:
    opacity 0.26s ease,
    transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.dl-button.done > div .label .state .dl-done-text {
  opacity: 1;
  transform: translateY(0);
}

.dl-button > div .progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: var(--dl-track);
  transform: scaleY(0);
  transform-origin: 50% 100%;
  transition: transform 0.24s ease;
}

.dl-button > div .progress::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--dl-success);
  transform: scaleX(0);
  transform-origin: 0% 50%;
}

.dl-button.active > div .progress {
  transform: scaleY(1);
}

.dl-button.active > div .progress::after {
  transform: scaleX(1);
  transition: transform calc(var(--duration) * 1ms) cubic-bezier(0.25, 0.8, 0.35, 1);
}

.dl-button.done > div .progress {
  transform: scaleY(0);
  transition-delay: 0.14s;
}

.dl-button.done > div .progress::after {
  transform: scaleX(1);
}

/* Compact Toolbar Export Variant (.dl-button--compact) */
.dl-button--compact {
  --duration: 1500;
  --dl-lh: 18px;
  --dl-border: var(--uth-line);
  --dl-shadow: none;
  --dl-shadow-hover: 0 1px 2px rgba(15, 23, 42, 0.06);
}

.dl-button--compact > div {
  min-height: 29px;
  padding: 4px 9px;
  border-radius: 6px;
}

.dl-button--compact > div .icon {
  margin-right: 5px;
  margin-left: -2px;
  transform: translateZ(6px) scale(0.74);
  transform-origin: center center;
}

.dl-button--compact > div .label {
  font-size: 12px;
  font-weight: 600;
}

.dl-button--compact > div .progress {
  height: 2.5px;
}

@keyframes dl-button-tilt {
  0%,
  100% {
    transform: none;
  }
  14% {
    transform: rotateX(-9deg);
  }
  28% {
    transform: rotateX(5deg);
  }
  44% {
    transform: rotateX(-8deg);
  }
  60% {
    transform: rotateX(4deg);
  }
  76% {
    transform: rotateX(-6deg);
  }
  90% {
    transform: scale(0.985);
  }
}

@keyframes dl-arrow-bounce {
  0% {
    transform: translateY(-1px);
  }
  14% {
    transform: translateY(15px);
  }
  14.01% {
    transform: translateY(-16px);
  }
  44% {
    transform: translateY(15px);
  }
  44.01% {
    transform: translateY(-16px);
  }
  76% {
    transform: translateY(15px);
  }
  76.01% {
    transform: translateY(-16px);
  }
  100% {
    transform: translateY(-1px);
  }
}

@keyframes dl-slot-pulse {
  0%,
  100% {
    transform: translateY(2px) scale(0.5);
  }
  14%,
  44%,
  76% {
    transform: translateY(3px) scale(1);
  }
  28%,
  60%,
  90% {
    transform: translateY(2px) scale(0.62);
  }
}

@keyframes dl-counter-blur {
  0%,
  100% {
    filter: none;
  }
  20%,
  75% {
    filter: blur(0.45px);
  }
}

/* Socket-and-Plug Animated Connection Control & Stage (.uth-connect-btn, .uth-conn-stage) */
.uth-connect-btn,
.uth-conn-stage {
  --conn-size: 48px;
  --conn-stage-bg: #1c3a4c;
  --conn-socket-color: #4fc3f7;
  --conn-plug-color: #0288d1;
  --conn-prong-color: #e0f2fe;
  --conn-connected-socket: #34d399;
  --conn-connected-plug: #0ea5e9;
  --conn-flow-color: #ff7849;
  --conn-pulse-color: #38bdf8;
  --conn-error-color: #f87171;
  --conn-surface: #ffffff;
  --conn-surface-hover: #f5fafe;
  --conn-border: var(--uth-line-strong);
  --conn-border-hover: #7fb3d0;
  --conn-ink: var(--uth-ink);
  --conn-sub-ink: var(--uth-muted);
  --conn-shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
  --conn-ease: cubic-bezier(0.16, 1, 0.3, 1);
}

.uth-connect-btn {
  appearance: none;
  -webkit-appearance: none;
  display: inline-flex;
  align-items: stretch;
  padding: 0;
  margin: 0;
  min-height: var(--conn-size);
  border: 1px solid var(--conn-border);
  border-radius: var(--uth-radius-sm);
  background: var(--conn-surface);
  color: var(--conn-ink);
  box-shadow: var(--conn-shadow);
  font-family: inherit;
  text-align: left;
  overflow: hidden;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition:
    background-color 0.18s ease,
    border-color 0.18s ease,
    box-shadow 0.18s ease,
    transform 0.18s var(--conn-ease);
}

.uth-connect-btn:hover {
  background: var(--conn-surface-hover);
  border-color: var(--conn-border-hover);
}

.uth-connect-btn:active {
  transform: scale(0.99);
}

.uth-connect-btn:focus-visible {
  outline: 2px solid var(--uth-blue);
  outline-offset: 2px;
}

.uth-connect-btn--dark {
  --conn-size: 50px;
  --conn-stage-bg: #152e3f;
  --conn-surface: #1b2b44;
  --conn-surface-hover: #223656;
  --conn-border: #354a6a;
  --conn-border-hover: #537ba8;
  --conn-ink: #f8fafc;
  --conn-sub-ink: #94a3b8;
  --conn-shadow: 0 6px 16px rgba(2, 6, 23, 0.32);
  width: 100%;
}

.uth-connect-btn--dark:focus-visible {
  outline-color: #38bdf8;
}

.uth-connect-btn[current-state="connected"] {
  border-color: rgba(52, 211, 153, 0.52);
}

.uth-connect-btn--dark[current-state="connected"] {
  --conn-surface: #142f34;
  --conn-surface-hover: #193b41;
  border-color: rgba(52, 211, 153, 0.55);
}

.uth-connect-btn[current-state="error"] {
  border-color: rgba(248, 113, 113, 0.65);
}

.uth-connect-btn--dark[current-state="error"] {
  --conn-surface: #351c26;
  --conn-surface-hover: #42222f;
}

.uth-conn-stage {
  display: inline-flex;
  width: var(--conn-size);
  height: var(--conn-size);
  flex: 0 0 var(--conn-size);
  border-radius: 8px;
  border: 1px solid rgba(30, 136, 187, 0.24);
  overflow: hidden;
  vertical-align: middle;
}

.uth-conn-stage--sm {
  --conn-size: 38px;
  border-radius: 8px;
}

.uth-conn-stage[current-state="connected"] {
  border-color: rgba(22, 163, 74, 0.45);
}

.uth-conn__graphics {
  position: relative;
  display: block;
  width: var(--conn-size);
  height: var(--conn-size);
  flex: 0 0 var(--conn-size);
  background: var(--conn-stage-bg);
  overflow: hidden;
}

.uth-conn__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  flex: 1 1 auto;
  min-width: 0;
  padding: 6px 15px;
}

.uth-conn__label {
  font-size: 13.5px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--conn-ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.uth-conn__sublabel {
  margin-top: 2px;
  font-size: 11.5px;
  font-weight: 500;
  line-height: 1.2;
  color: var(--conn-sub-ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.uth-conn__sublabel[hidden] {
  display: none !important;
}

/* Socket (Top Half) & Plug (Bottom Half) */
.uth-conn__socket,
.uth-conn__plug {
  position: absolute;
  inset: 0;
  pointer-events: none;
  will-change: transform;
  transition: transform 0.24s var(--conn-ease);
}

.uth-conn__socket {
  z-index: 3;
  transform: translate3d(0, -24%, 0);
}

.uth-conn__plug {
  z-index: 2;
  transform: translate3d(0, 27%, 0);
}

.uth-conn__socket-body {
  position: absolute;
  left: 25%;
  bottom: 50%;
  width: 50%;
  height: 29%;
  border-radius: 999px 999px 2px 2px;
  background: var(--conn-socket-color);
  transition: background-color 0.22s ease;
}

.uth-conn__socket-cable {
  position: absolute;
  left: 50%;
  bottom: 76%;
  width: max(2.5px, 7%);
  height: 56%;
  transform: translateX(-50%);
  background: var(--conn-socket-color);
  transition: background-color 0.22s ease;
}

.uth-conn__plug-body {
  position: absolute;
  left: 25%;
  top: calc(50% + 1px);
  width: 50%;
  height: 29%;
  border-radius: 2px 2px 999px 999px;
  background: var(--conn-plug-color);
  transition: background-color 0.22s ease;
}

.uth-conn__plug-cable {
  position: absolute;
  left: 50%;
  top: 76%;
  width: max(2.5px, 7%);
  height: 56%;
  transform: translateX(-50%);
  background: var(--conn-plug-color);
  transition: background-color 0.22s ease;
}

.uth-conn__plug-prongs {
  position: absolute;
  left: 34%;
  bottom: calc(50% - 1px);
  width: 32%;
  height: 15%;
  display: flex;
  justify-content: space-between;
  transform-origin: 50% 100%;
  transition: transform 0.22s var(--conn-ease), opacity 0.2s ease;
}

.uth-conn__prong {
  display: block;
  width: max(2px, 24%);
  height: 100%;
  border-radius: 2px 2px 0 0;
  background: var(--conn-prong-color);
}

/* Hover / Focus Anticipation in Disconnected or Error State */
.uth-connect-btn[current-state="default"]:is(:hover, :focus-visible) .uth-conn__socket,
.uth-connect-btn[current-state="error"]:is(:hover, :focus-visible) .uth-conn__socket,
.humanizer-mode:is(:hover, :focus-visible) .uth-conn-stage[current-state="default"] .uth-conn__socket {
  transform: translate3d(0, -13%, 0);
}

.uth-connect-btn[current-state="default"]:is(:hover, :focus-visible) .uth-conn__plug,
.uth-connect-btn[current-state="error"]:is(:hover, :focus-visible) .uth-conn__plug,
.humanizer-mode:is(:hover, :focus-visible) .uth-conn-stage[current-state="default"] .uth-conn__plug {
  transform: translate3d(0, 14%, 0);
}

/* Connecting & Connected Docking */
:is(.uth-connect-btn, .uth-conn-stage)[current-state="connecting"] .uth-conn__socket,
:is(.uth-connect-btn, .uth-conn-stage)[current-state="connected"] .uth-conn__socket {
  transform: translate3d(0, 0, 0);
}

:is(.uth-connect-btn, .uth-conn-stage)[current-state="connecting"] .uth-conn__plug,
:is(.uth-connect-btn, .uth-conn-stage)[current-state="connected"] .uth-conn__plug {
  transform: translate3d(0, 0, 0);
}

:is(.uth-connect-btn, .uth-conn-stage)[current-state="connecting"] .uth-conn__plug-prongs,
:is(.uth-connect-btn, .uth-conn-stage)[current-state="connected"] .uth-conn__plug-prongs {
  transform: scaleY(0.28);
  opacity: 0.45;
}

:is(.uth-connect-btn, .uth-conn-stage)[current-state="connected"] .uth-conn__socket-body,
:is(.uth-connect-btn, .uth-conn-stage)[current-state="connected"] .uth-conn__socket-cable {
  background: var(--conn-connected-socket);
}

:is(.uth-connect-btn, .uth-conn-stage)[current-state="connected"] .uth-conn__plug-body,
:is(.uth-connect-btn, .uth-conn-stage)[current-state="connected"] .uth-conn__plug-cable {
  background: var(--conn-connected-plug);
}

/* Disconnecting Separation */
:is(.uth-connect-btn, .uth-conn-stage)[current-state="disconnecting"] .uth-conn__socket {
  transform: translate3d(0, -19%, 0);
}

:is(.uth-connect-btn, .uth-conn-stage)[current-state="disconnecting"] .uth-conn__plug {
  transform: translate3d(0, 21%, 0);
}

:is(.uth-connect-btn, .uth-conn-stage)[current-state="disconnecting"] .uth-conn__plug-prongs {
  transform: scaleY(1);
  opacity: 1;
}

/* Error Recoil */
:is(.uth-connect-btn, .uth-conn-stage)[current-state="error"] .uth-conn__graphics {
  animation: uth-conn-error-shake 0.34s ease;
}

:is(.uth-connect-btn, .uth-conn-stage)[current-state="error"] .uth-conn__socket-body,
:is(.uth-connect-btn, .uth-conn-stage)[current-state="error"] .uth-conn__socket-cable {
  background: var(--conn-error-color);
}

/* Radial Connecting / Disconnecting Pulse Ring */
.uth-conn__dot {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 44%;
  height: 44%;
  border-radius: 50%;
  border: 2px solid var(--conn-pulse-color);
  background: rgba(56, 189, 248, 0.22);
  transform: translate3d(-50%, -50%, 0) scale(0.2);
  opacity: 0;
  z-index: 4;
  pointer-events: none;
}

:is(.uth-connect-btn, .uth-conn-stage)[current-state="connecting"] .uth-conn__dot {
  animation: uth-conn-pulse 0.82s var(--conn-ease) infinite;
}

:is(.uth-connect-btn, .uth-conn-stage)[current-state="disconnecting"] .uth-conn__dot {
  border-color: #fbbf24;
  background: rgba(251, 191, 36, 0.22);
  animation: uth-conn-unplug-pulse 0.42s ease-out forwards;
}

/* Connected Energy Flow Droplets */
.uth-conn__flow {
  position: absolute;
  inset: 0;
  z-index: 4;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

:is(.uth-connect-btn, .uth-conn-stage)[current-state="connected"] .uth-conn__flow {
  opacity: 1;
}

.uth-conn__flow-drop {
  position: absolute;
  left: 50%;
  top: 50%;
  width: max(5px, 14%);
  height: max(5px, 14%);
  border-radius: 50%;
  background: var(--conn-flow-color);
  box-shadow: 0 0 6px rgba(255, 120, 73, 0.65);
  transform: translate3d(-50%, 340%, 0) scale(0.75);
  opacity: 0;
}

:is(.uth-connect-btn, .uth-conn-stage)[current-state="connected"] .uth-conn__flow-drop--a {
  animation: uth-conn-flow 1.15s linear infinite;
}

:is(.uth-connect-btn, .uth-conn-stage)[current-state="connected"] .uth-conn__flow-drop--b {
  animation: uth-conn-flow 1.15s linear 0.57s infinite;
}

@keyframes uth-conn-pulse {
  0% {
    opacity: 0.92;
    transform: translate3d(-50%, -50%, 0) scale(0.25);
  }
  100% {
    opacity: 0;
    transform: translate3d(-50%, -50%, 0) scale(2.15);
  }
}

@keyframes uth-conn-unplug-pulse {
  0% {
    opacity: 0.85;
    transform: translate3d(-50%, -50%, 0) scale(1.55);
  }
  100% {
    opacity: 0;
    transform: translate3d(-50%, -50%, 0) scale(0.35);
  }
}

@keyframes uth-conn-flow {
  0% {
    opacity: 0;
    transform: translate3d(-50%, 340%, 0) scale(0.7);
  }
  18% {
    opacity: 1;
  }
  50% {
    opacity: 1;
    transform: translate3d(-50%, 0%, 0) scale(1);
  }
  82% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translate3d(-50%, -340%, 0) scale(0.7);
  }
}

@keyframes uth-conn-error-shake {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  25% {
    transform: translate3d(-3px, 0, 0);
  }
  55% {
    transform: translate3d(3px, 0, 0);
  }
  80% {
    transform: translate3d(-2px, 0, 0);
  }
}

/* Responsive Breakpoints */
@media (max-width: 992px) {
  .humanizer-modes,
  .humanizer-editor-grid,
  .humanizer-info-grid,
  .uth-download-grid,
  .uth-live-grid {
    grid-template-columns: 1fr;
  }

  .uth-bridge-controls {
    grid-template-columns: 1fr 1fr;
  }

  .uth-connection-map {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .humanizer-hero {
    padding: 28px 16px 20px;
  }

  .humanizer-shell {
    padding: 16px;
  }

  .humanizer-workspace {
    padding: 16px;
  }

  .uth-bridge-controls,
  .uth-connection-map,
  .editor-find-bar,
  .doc-link-bar,
  .humanizer-hero .humanizer-info-grid.humanizer-shell {
    grid-template-columns: 1fr;
  }

  .doc-sheet {
    padding: 16px;
  }

  .humanizer-editor,
  .humanizer-result,
  .humanizer-output-editor {
    min-height: 240px;
  }

  .humanizer-mode-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .humanizer-page *,
  .uth-download-spinner,
  .dl-button,
  .dl-button *,
  .uth-connect-btn,
  .uth-connect-btn *,
  .uth-conn-stage,
  .uth-conn-stage * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}