/* ─── Apple Design System — Light Mode (iOS) ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  color-scheme: light;

  /* ── System Backgrounds (iOS light) ── */
  --bg-primary:    #ffffff;   /* main content surface          */
  --bg-secondary:  #f2f2f7;   /* systemGray6 — side panels      */
  --bg-tertiary:   #ffffff;   /* inputs / cards (with border)   */
  --bg-elevated:   #ffffff;   /* popovers / modals (w/ shadow)  */
  --bg-quaternary: #e5e5ea;   /* systemGray5                    */
  --bg-grouped:    #f2f2f7;   /* grouped table background       */

  /* ── Labels ── */
  --label:         rgba(0,0,0,0.88);
  --label-2:       rgba(60,60,67,0.6);
  --label-3:       rgba(60,60,67,0.3);
  --label-4:       rgba(60,60,67,0.18);

  /* ── Separators / hairline borders (Modern SaaS — borders are the primary structure) ── */
  --sep:           rgba(0,0,0,0.12);
  --sep-opaque:    #dadadd;
  --border:        rgba(0,0,0,0.14);
  --border-strong: rgba(0,0,0,0.20);
  --separator:     rgba(0,0,0,0.12);   /* alias used by the PDF viewer block */

  /* ── Fills (neutral, flatter than iOS systemFill) ── */
  --fill-1:        rgba(0,0,0,0.07);
  --fill-2:        rgba(0,0,0,0.05);
  --fill-3:        rgba(0,0,0,0.04);
  --fill-4:        rgba(0,0,0,0.025);

  /* ── System Colors (iOS light variants) ── */
  --blue:    #007aff;
  --blue-hover:  #0a6ae6;   /* solid darker-blue button hover (Modern SaaS, no gradient) */
  --blue-active: #0057cc;
  --accent:  #007aff;       /* alias used by the PDF viewer block */
  --bg:      #ffffff;       /* alias used by the PDF viewer block */
  --green:   #34c759;
  --green-text: #1e803a;  /* darker green for text — WCAG-AA (~5:1) on light bg */
  --indigo:  #5856d6;
  --orange:  #ff9500;
  --pink:    #ff2d55;
  --purple:  #af52de;
  --red:     #ff3b30;
  --teal:    #30b0c7;
  --yellow:  #ffcc00;
  --cyan:    #32ade6;

  /* ── Typography (Modern SaaS — Inter first, graceful system fallback) ── */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, 'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', 'Menlo', 'Cascadia Code', 'Courier New', monospace;

  /* ── Radius (Modern SaaS — tighter, squarer) ── */
  --r-xs: 3px;
  --r-sm: 4px;
  --r-md: 6px;
  --r-lg: 8px;
  --r-xl: 10px;
  --r-badge: 5px;   /* square-ish compact badge/chip radius */

  /* ── Shadows (flat — borders carry structure; shadow only lifts true overlays) ── */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-lg: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-xl: 0 8px 24px rgba(0,0,0,0.12);

  /* ── Transitions ── */
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --dur-fast: 0.12s;
  --dur-normal: 0.2s;
  --dur-slow: 0.32s;
}

html, body {
  height: 100%;
  background: var(--bg-primary);
  color: var(--label);
  font-family: var(--font);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.45;
  letter-spacing: -0.005em;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

.hidden { display: none !important; }

/* ════════════════════════════════════════
   SCROLLBAR
   ════════════════════════════════════════ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--fill-2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--fill-1); }

/* ════════════════════════════════════════
   LAYOUT
   ════════════════════════════════════════ */
#app { display: flex; flex-direction: column; height: 100vh; }

.studio-layout {
  display: grid;
  grid-template-columns: 252px 1fr;
  flex: 1;
  overflow: hidden;
}
.panel-left   { display: flex; flex-direction: column; border-right: 1px solid var(--sep); overflow-y: auto; background: var(--bg-secondary); }
.panel-center { display: flex; flex-direction: column; overflow: hidden; background: var(--bg-primary); }
.panel-right  { display: flex; flex-direction: column; border-left: 1px solid var(--sep); overflow-y: auto; background: var(--bg-secondary); }
.panel-bottom {
  height: 34px;
  border-top: 1px solid var(--sep);
  display: flex; flex-direction: column; flex-shrink: 0;
  background: var(--bg-secondary);
  transition: height 0.2s ease;
  overflow: hidden;
}
.panel-bottom:hover { height: 160px; }

/* ════════════════════════════════════════
   HEADER
   ════════════════════════════════════════ */
.app-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  height: 48px;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--sep);
  flex-shrink: 0;
  z-index: 10;
}
.app-header h1 {
  font-size: 14px;
  font-weight: 600;
  color: var(--label);
  letter-spacing: -0.2px;
}
.app-header h1 span { color: var(--blue); }
.header-right { display: flex; align-items: center; gap: 8px; margin-left: auto; }

/* ── Settings Button ── */
#btn-settings {
  display: flex; align-items: center; gap: 5px;
  background: var(--fill-3);
  color: var(--label-2);
  border: none;
  font-size: 12px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--r-md);
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
#btn-settings:hover { background: var(--fill-2); color: var(--label); opacity: 1; }

/* ── User Chip ── */
.user-chip {
  position: relative;
  display: flex; align-items: center; gap: 6px;
  padding: 4px 10px 4px 4px;
  background: var(--fill-3);
  border: none;
  border-radius: var(--r-badge);
  cursor: pointer;
  user-select: none;
  transition: background var(--dur-fast) var(--ease);
}
.user-chip:hover { background: var(--fill-2); opacity: 1; }
.user-avatar {
  width: 26px; height: 26px;
  background: var(--blue);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; color: #fff;
  flex-shrink: 0;
}
#user-name-display { font-size: 12px; font-weight: 500; color: var(--label); }
.user-menu {
  display: none;
  position: absolute; right: 0; top: calc(100% + 8px);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  min-width: 210px;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  padding: 5px 0;
  overflow: hidden;
}
.user-chip.open .user-menu { display: block; animation: menu-pop var(--dur-normal) var(--ease-spring); }
@keyframes menu-pop {
  from { opacity: 0; transform: scale(0.94) translateY(-6px); }
  to   { opacity: 1; transform: scale(1)    translateY(0); }
}
.user-menu-info { padding: 10px 14px 8px; }
.user-menu-info strong { display: block; font-size: 13px; font-weight: 600; color: var(--label); }
.user-menu-info small  { color: var(--label-3); font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; }
.um-divider { border: none; border-top: 1px solid var(--sep); margin: 4px 0; }
.um-item {
  display: flex; align-items: center; gap: 8px;
  width: 100%; text-align: left;
  padding: 9px 14px;
  background: none; border: none;
  color: var(--label); font-size: 13px; font-weight: 400;
  cursor: pointer;
  transition: background var(--dur-fast);
}
.um-item:hover { background: var(--fill-2); opacity: 1; }
.um-logout { color: var(--red) !important; }
.um-logout:hover { background: rgba(255,69,58,0.1) !important; }

/* ── User Management Table ── */
.user-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.user-table th { text-align: left; padding: 8px 12px; color: var(--label-2); border-bottom: 1px solid var(--sep); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }
.user-table td { padding: 10px 12px; border-bottom: 1px solid var(--sep); vertical-align: middle; }
.user-table tr:last-child td { border-bottom: none; }
.role-badge { display: inline-block; padding: 3px 9px; border-radius: var(--r-badge); font-size: 11px; font-weight: 600; }
.role-badge.admin { background: rgba(0,122,255,0.15); color: var(--blue); }
.role-badge.user  { background: rgba(48,209,88,0.15);  color: var(--green-text); }
.status-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; }
.status-dot.active   { background: var(--green); box-shadow: 0 0 0 2px rgba(48,209,88,0.25); }
.status-dot.inactive { background: var(--label-3); }

/* ════════════════════════════════════════
   BUTTONS (global)
   ════════════════════════════════════════ */
button {
  cursor: pointer;
  border: none;
  border-radius: var(--r-md);
  font-family: var(--font);
  font-size: 13px;
  font-weight: 500;
  padding: 7px 14px;
  transition: opacity var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease-spring);
  -webkit-tap-highlight-color: transparent;
}
button:active { transform: scale(0.97); }
button:hover  { opacity: 0.88; }

/* Primary (blue filled) */
.btn-primary {
  background: var(--blue);
  color: #fff;
  font-weight: 600;
}
.btn-primary:hover { opacity: 0.88; }

/* Secondary (glass tint) */
.btn-secondary {
  background: var(--fill-3);
  color: var(--label);
  border: none;
}
.btn-secondary:hover { background: var(--fill-2); opacity: 1; }

/* Danger */
.btn-danger {
  background: rgba(255,69,58,0.15);
  color: var(--red);
}
.btn-danger:hover { background: rgba(255,69,58,0.25); opacity: 1; }

/* Label styled as a button — native file picker, reliable on iOS Safari */
#btn-select-file {
  display: inline-block;
  background: var(--blue); color: #fff;
  padding: 8px 20px; margin-top: 4px;
  font-size: 13px; font-weight: 600;
  border-radius: var(--r-md);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  user-select: none; -webkit-user-select: none;
  transition: opacity var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease-spring);
}
#btn-select-file:hover  { opacity: 0.9; }
#btn-select-file:active { transform: scale(0.97); }

/* Accessible visually-hidden (keeps input focusable/operable on iOS, unlike display:none) */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}
#btn-download-zip   { width: 100%; background: var(--green); color: #000; padding: 9px; font-size: 13px; font-weight: 600; }

/* ════════════════════════════════════════
   UPLOAD ZONE
   ════════════════════════════════════════ */
.upload-zone {
  margin: 10px;
  border: 1.5px dashed var(--border-strong);
  border-radius: var(--r-lg);
  padding: 20px 12px;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--dur-normal), background var(--dur-normal);
}
.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--blue);
  background: rgba(0,122,255,0.06);
}
.upload-icon  { font-size: 28px; margin-bottom: 6px; opacity: 0.45; }
.upload-hint  { font-size: 13px; font-weight: 500; color: var(--label); margin-bottom: 2px; }
.upload-or    { font-size: 11px; color: var(--label-3); margin-bottom: 8px; }
.upload-zone p { color: var(--label-2); font-size: 12px; margin-bottom: 4px; }
.upload-ocr-override { margin-top: 8px; }
.upload-ocr-override select {
  font-size: 11px;
  padding: 3px 6px;
  background: var(--bg-tertiary);
  border: 1px solid var(--sep);
  border-radius: 5px;
  color: var(--label-2);
  cursor: pointer;
}

/* ════════════════════════════════════════
   BATCH PANEL
   ════════════════════════════════════════ */
.batch-panel {
  margin: 0 10px 8px;
  border: 1px solid var(--sep);
  border-radius: var(--r-lg);
  background: var(--bg-tertiary);
  overflow: hidden;
}
.batch-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 12px;
  border-bottom: 1px solid var(--sep);
}
.batch-header span { font-size: 12px; font-weight: 600; color: var(--label); }
.batch-btn-start { background: var(--blue); color: #fff; padding: 5px 12px; font-size: 12px; font-weight: 600; }
.batch-btn-clear { background: var(--fill-3); color: var(--label-2); padding: 5px 8px; font-size: 12px; }
.batch-list { list-style: none; padding: 0; margin: 0; max-height: 180px; overflow-y: auto; }
.batch-item {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--sep);
  font-size: 12px;
}
.batch-item:last-child { border-bottom: none; }
.batch-item-icon   { font-size: 14px; flex-shrink: 0; display: flex; align-items: center; }
.batch-thumb {
  width: 36px; height: 48px;
  object-fit: cover;
  border-radius: 3px;
  border: 1px solid var(--sep);
  display: block;
}
.batch-item-name   { flex: 1; color: var(--label); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.batch-item-size   { color: var(--label-2); font-size: 11px; white-space: nowrap; flex-shrink: 0; }
.batch-item-status { font-size: 11px; white-space: nowrap; flex-shrink: 0; width: 70px; text-align: right; }
.batch-item-status.pending   { color: var(--label-3); }
.batch-item-status.uploading { color: var(--orange); }
.batch-item-status.done      { color: var(--green-text); }
.batch-item-status.error     { color: var(--red); }
.batch-item-status.skip      { color: var(--label-3); }
.batch-item-del   { background: none; border: none; color: var(--label-3); padding: 0 4px; font-size: 13px; opacity: 0.7; }
.batch-item-del:hover { opacity: 1; color: var(--red); }
.batch-progress-wrap  { padding: 8px 12px; border-top: 1px solid var(--sep); }
.batch-progress-label { display: flex; justify-content: space-between; font-size: 11px; color: var(--label-2); margin-bottom: 5px; }
.batch-progress-bar-bg { height: 4px; background: var(--fill-3); border-radius: 2px; overflow: hidden; }
.batch-progress-bar    { height: 100%; background: var(--blue); border-radius: 2px; transition: width 0.3s; }

/* ════════════════════════════════════════
   JOB LIST
   ════════════════════════════════════════ */
.job-list { padding: 0 10px 12px; flex: 1; }
.job-list h3 {
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.6px;
  color: var(--label-2); margin: 14px 2px 8px;
  font-weight: 600;
}
#jobs-ul { list-style: none; display: flex; flex-direction: column; gap: 4px; }

.job-item {
  background: var(--bg-tertiary);
  border: 1px solid transparent;
  border-radius: var(--r-md);
  padding: 10px 12px;
  cursor: pointer;
  transition: background var(--dur-fast), border-color var(--dur-fast), box-shadow var(--dur-fast);
}
.job-item:hover    { background: var(--bg-elevated); border-color: var(--border); }
.job-item.active   { background: rgba(0,122,255,0.08); border-color: rgba(0,122,255,0.5); }
.job-item .job-name { font-size: 12.5px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.job-item .job-meta { display: flex; align-items: center; justify-content: space-between; gap: 6px; margin-top: 6px; }
.job-item .job-actions { display: inline-flex; align-items: center; gap: 6px; flex-shrink: 0; }
.job-item .job-progress { font-size: 11px; color: var(--label-3); font-variant-numeric: tabular-nums; }

/* Status pill (colored dot + Thai label, subtle tinted background).
   Single-class selector so the .status-* color/background rules below
   (also single-class, declared later) win the cascade. */
.job-status {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 10px; font-weight: 600; line-height: 1; white-space: nowrap;
  padding: 3px 7px; border-radius: var(--r-badge);
  color: var(--label-2); background: var(--bg-elevated);
}
.job-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; flex-shrink: 0; }

.status-queued     { color: var(--label-3); background: color-mix(in srgb, var(--label-3) 14%, transparent); }
.status-analyzing, .status-ocr, .status-structuring,
.status-cleanup, .status-chunking, .status-embedding,
.status-exporting  { color: var(--orange); background: color-mix(in srgb, var(--orange) 15%, transparent); }
.status-ready_for_review { color: var(--indigo); background: color-mix(in srgb, var(--indigo) 15%, transparent); }
.status-approved   { color: var(--blue); background: color-mix(in srgb, var(--blue) 14%, transparent); }
.status-done       { color: var(--green-text); background: color-mix(in srgb, var(--green-text) 16%, transparent); }
.status-failed     { color: var(--red); background: color-mix(in srgb, var(--red) 14%, transparent); }

/* Thin progress bar for in-flight jobs; hidden once terminal */
.job-bar { height: 3px; border-radius: 2px; background: var(--fill-3); margin-top: 8px; overflow: hidden; }
.job-bar > span { display: block; height: 100%; border-radius: 2px; background: var(--orange); transition: width var(--dur-normal) ease; }
.job-terminal .job-bar, .job-terminal .job-progress { display: none; }

/* Pulse the dot while processing */
.status-analyzing .job-dot, .status-ocr .job-dot, .status-structuring .job-dot,
.status-cleanup .job-dot, .status-chunking .job-dot, .status-embedding .job-dot,
.status-exporting .job-dot { animation: jobDotPulse 1.4s ease-in-out infinite; }
@keyframes jobDotPulse { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }
@media (prefers-reduced-motion: reduce) {
  .job-dot { animation: none !important; }
  .job-bar > span { transition: none; }
}

/* ════════════════════════════════════════
   MODERN SAAS BADGES — square-ish + same-hue hairline
   currentColor picks up each badge's own tint, so one rule
   gives every status/role/type badge a crisp 1px edge with
   no layout shift (inset shadow, not border).
   ════════════════════════════════════════ */
.job-status, .role-badge, .engine-badge, .key-optional, .key-badge,
.low-page-chip, .eg-count, .em-type-group, .tmpl-match-badge,
.tmpl-manual-badge, .tbl-count-badge, .tbl-source-badge, .ins-tag,
.ins-doctype, .ws-role-badge, .route-lang, .credit-chip, .entity-chip {
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.06),
              inset 0 0 0 1px color-mix(in srgb, currentColor 26%, transparent);
}

/* ════════════════════════════════════════
   CENTER TABS  (underline style — Modern SaaS)
   ════════════════════════════════════════ */
.tabs-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-bottom: 1px solid var(--sep);
  flex-shrink: 0;
}
.tabs {
  display: flex;
  gap: 2px;
  flex: 1;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }

/* "เพิ่มเติม" dropdown for secondary tabs */
.tab-more { position: relative; flex-shrink: 0; }
.tab-more-btn {
  background: transparent;
  color: var(--label-2);
  padding: 5px 10px;
  border-radius: var(--r-md);
  border: none;
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  transition: background var(--dur-fast), color var(--dur-fast);
}
.tab-more-btn:hover  { background: var(--fill-3); color: var(--label); }
.tab-more-btn.active { background: var(--fill-2); color: var(--label); font-weight: 600; }
.tab-more-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 6px;
  background: var(--bg-elevated, var(--bg-secondary));
  border: 1px solid var(--sep);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
  min-width: 160px;
}
.tab-more-menu.hidden { display: none; }
.tab-more-menu .tab { text-align: left; width: 100%; }

/* Export popover */
.export-menu { position: relative; flex-shrink: 0; }
.export-menu-btn {
  background: var(--blue);
  color: #fff;
  padding: 5px 14px;
  border-radius: var(--r-md);
  border: none;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: opacity var(--dur-fast);
}
.export-menu-btn:hover { opacity: 0.88; }
.export-popover {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  z-index: 50;
  width: 240px;
  padding: 12px;
  background: var(--bg-elevated, var(--bg-secondary));
  border: 1px solid var(--sep);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
}
.export-popover.hidden { display: none; }
.export-popover-title { font-size: 12px; font-weight: 600; color: var(--label); margin-bottom: 8px; }
.export-popover .export-checks { display: flex; flex-direction: column; gap: 6px; margin-bottom: 10px; }
.export-popover #btn-download-zip { width: 100%; }
.export-dl-btn {
  display: block; width: 100%; text-align: left; cursor: pointer;
  background: var(--fill-3); color: var(--label);
  border: 1px solid var(--border); border-radius: var(--r-md);
  padding: 9px 11px; font-size: 13px; font-weight: 500; margin-bottom: 6px;
  transition: background var(--dur-fast) ease;
}
.export-dl-btn:hover { background: var(--fill-2); opacity: 1; }

.tab {
  background: transparent;
  color: var(--label-2);
  padding: 5px 12px;
  border-radius: var(--r-md);
  border: none;
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
  transition: background var(--dur-fast), color var(--dur-fast);
  flex-shrink: 0;
}
.tab:hover  { background: var(--fill-3); color: var(--label); opacity: 1; }
.tab.active { background: var(--fill-2); color: var(--label); font-weight: 600; }

.tab-content { flex: 1; overflow-y: auto; padding: 14px; min-height: 0; }
.tab-content.hidden { display: none; }

/* Preview tab: no padding, no scroll — the iframe handles its own scroll */
#tab-preview { padding: 0; overflow: hidden; display: flex; flex-direction: column; }

#pdf-preview-placeholder {
  flex: 1;
  display: flex; align-items: center; justify-content: center;
  color: var(--label-3); font-size: 13px; flex-direction: column; gap: 8px;
}

/* ════════════════════════════════════════
   OCR TEXT / EDITOR
   ════════════════════════════════════════ */
#tab-ocr { display: flex; flex-direction: column; height: 100%; padding: 0; overflow: hidden; }

.ocr-toolbar {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap;
  gap: 6px; padding: 8px 12px;
  border-bottom: 1px solid var(--sep); flex-shrink: 0;
}
.ocr-toolbar-left, .ocr-toolbar-right { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }

.ocr-tool-btn {
  background: var(--fill-3);
  border: none;
  color: var(--label);
  padding: 5px 12px; font-size: 12px;
  border-radius: var(--r-md);
  transition: background var(--dur-fast);
}
.ocr-tool-btn:hover { background: var(--fill-2); opacity: 1; }
.ocr-btn-save    { background: var(--blue); color: #fff; font-weight: 600; }
.ocr-btn-save:hover { opacity: 0.88; }
.ocr-btn-danger  { background: rgba(255,69,58,0.12); color: var(--red); }
.ocr-btn-danger:hover { background: rgba(255,69,58,0.2); opacity: 1; }
.ocr-dirty-badge { font-size: 11px; color: var(--orange); animation: pulse-badge 1.5s ease infinite; }
@keyframes pulse-badge { 0%,100%{opacity:1} 50%{opacity:0.4} }
.ocr-word-count  { font-size: 11px; color: var(--label-3); white-space: nowrap; padding: 0 2px; }

.ocr-find-bar { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.ocr-find-bar input {
  background: var(--fill-3); color: var(--label);
  border: none; border-radius: var(--r-md);
  padding: 5px 9px; font-size: 12px; width: 140px;
}
.ocr-find-bar input:focus { outline: 2px solid var(--blue); outline-offset: 0; }
.ocr-find-bar button {
  background: var(--fill-3); border: none; color: var(--label);
  padding: 5px 10px; font-size: 11px; border-radius: var(--r-md); white-space: nowrap;
}
.ocr-find-bar button:hover { background: var(--fill-2); opacity: 1; }
.ocr-find-count { font-size: 11px; color: var(--label-3); white-space: nowrap; }

.ocr-approve-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 14px;
  background: rgba(48,209,88,0.08); border-bottom: 1px solid rgba(48,209,88,0.25);
  font-size: 12px; color: var(--green-text); flex-shrink: 0;
}
.ocr-btn-approve {
  background: var(--green); border: none; color: #000;
  padding: 6px 16px; border-radius: var(--r-md);
  font-size: 12px; font-weight: 700;
}
.ocr-btn-approve:hover { opacity: 0.88; }

#ocr-text {
  flex: 1;
  background: var(--bg-tertiary);
  color: var(--label);
  border: none; resize: none;
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 13px; line-height: 1.8;
  outline: none;
}
#ocr-text:not([readonly]) { background: var(--bg-secondary); caret-color: var(--blue); }
#ocr-text::placeholder { color: var(--label-3); }

/* ════════════════════════════════════════
   CHUNKS
   ════════════════════════════════════════ */
.chunk-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--sep);
  border-radius: var(--r-lg);
  padding: 12px;
  margin-bottom: 10px;
}
.chunk-card .chunk-header {
  display: flex; justify-content: space-between;
  font-size: 11px; color: var(--label-3); margin-bottom: 6px;
}
.chunk-card .chunk-title { font-size: 13px; font-weight: 600; margin-bottom: 4px; }
.chunk-card .chunk-text  { font-size: 12px; line-height: 1.6; color: var(--label); white-space: pre-wrap; }

/* ════════════════════════════════════════
   RIGHT PANEL / SETTINGS SECTION
   ════════════════════════════════════════ */
.settings-section {
  padding: 14px 12px;
  border-bottom: 1px solid var(--sep);
}
.settings-section h3 {
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px;
  color: var(--label-2); margin-bottom: 10px; font-weight: 600;
}
.settings-section label {
  display: flex; align-items: center; gap: 7px;
  font-size: 13px; margin-bottom: 6px; cursor: pointer;
}
.settings-section select {
  width: 100%;
  background: var(--fill-3); color: var(--label);
  border: none; border-radius: var(--r-md);
  padding: 7px 10px; font-size: 13px; margin-bottom: 10px;
  font-family: var(--font);
}
#export-placeholder { font-size: 12px; color: var(--label-3); margin-top: 8px; }

/* Mode Toggle */
.mode-toggle { display: flex; gap: 3px; background: var(--fill-3); border-radius: var(--r-md); padding: 3px; }
.mode-btn {
  flex: 1; padding: 6px 0; font-size: 12px; font-weight: 500;
  background: transparent; color: var(--label-2);
  border: none; border-radius: var(--r-sm);
  transition: background var(--dur-fast), color var(--dur-fast), box-shadow var(--dur-fast);
}
.mode-btn.active {
  background: var(--bg-elevated);
  color: var(--label);
  box-shadow: var(--shadow-sm);
}

/* Routing Table */
.routing-table { display: flex; flex-direction: column; gap: 6px; }
.route-row { display: flex; align-items: center; gap: 6px; }
.route-lang {
  font-size: 11px; font-weight: 600; padding: 3px 8px;
  border-radius: var(--r-sm); min-width: 52px; text-align: center;
}
.route-lang.th      { background: rgba(0,122,255,0.15); color: var(--blue); }
.route-lang.en      { background: rgba(48,209,88,0.12);  color: var(--green-text); }
.route-lang.mixed   { background: rgba(191,90,242,0.12); color: var(--purple); }
.route-lang.unknown { background: var(--fill-3);          color: var(--label-2); }
.route-arrow  { color: var(--label-3); font-size: 12px; }
.route-engine {
  flex: 1; background: var(--fill-3); color: var(--label);
  border: none; border-radius: var(--r-md);
  padding: 5px 8px; font-size: 11px; font-family: var(--font);
}
.hint { font-size: 11px; color: var(--label-3); margin-top: 8px; }

/* Engine Cards */
.engine-cards { display: flex; flex-direction: column; gap: 5px; }
.engine-card {
  position: relative;
  display: flex; align-items: center; gap: 10px;
  background: var(--bg-tertiary);
  border: 1px solid transparent;
  border-radius: var(--r-md);
  padding: 9px 10px;
  cursor: pointer;
  transition: background var(--dur-fast), border-color var(--dur-fast);
}
.engine-card:hover  { background: var(--bg-elevated); border-color: var(--sep); }
.engine-card.active { border-color: var(--blue); background: rgba(0,122,255,0.08); }
.engine-icon { font-size: 18px; flex-shrink: 0; }
.engine-info { flex: 1; min-width: 0; }
.engine-name { font-size: 12px; font-weight: 600; }
.engine-desc { font-size: 11px; color: var(--label-3); margin-top: 1px; }
.engine-badge {
  font-size: 10px; font-weight: 600; padding: 2px 7px;
  border-radius: var(--r-badge); flex-shrink: 0;
}
.engine-badge.cloud  { background: rgba(0,122,255,0.15);  color: var(--blue); }
.engine-badge.local  { background: rgba(48,209,88,0.12);   color: var(--green-text); }
.engine-badge.vision { background: rgba(191,90,242,0.15);  color: var(--purple); }

.engine-group-label {
  font-size: 10px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.6px; color: var(--label-2);
  padding: 8px 2px 3px;
  border-top: 1px solid var(--sep); margin-top: 4px;
}

/* Threshold */
.threshold-row { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.threshold-row input[type="range"] { flex: 1; accent-color: var(--blue); cursor: pointer; }
#threshold-value { font-size: 13px; font-weight: 700; color: var(--blue); min-width: 36px; }

.toggle-row {
  display: flex; align-items: center; gap: 8px;
  font-size: 12px; cursor: pointer; color: var(--label);
}
.toggle-row input[type="checkbox"] { accent-color: var(--blue); width: 14px; height: 14px; }

/* Cost Report */
.cost-report {
  background: var(--bg-tertiary);
  border: 1px solid var(--sep);
  border-radius: var(--r-lg);
  padding: 14px; margin-top: 12px;
}
.cost-report h4 { font-size: 12px; font-weight: 600; color: var(--label-2); margin-bottom: 10px; }
.cost-total { font-size: 22px; font-weight: 700; color: var(--green-text); margin-bottom: 10px; font-variant-numeric: tabular-nums; }
.cost-rows  { display: flex; flex-direction: column; gap: 5px; }
.cost-row   { display: flex; justify-content: space-between; font-size: 12px; }
.cost-row .cr-label { color: var(--label-2); }
.cost-row .cr-val   { font-weight: 600; }
.cost-items { margin-top: 10px; border-top: 1px solid var(--sep); padding-top: 8px; }
.cost-item  {
  font-size: 11px; color: var(--label-3);
  display: flex; justify-content: space-between; margin-bottom: 3px;
}

/* ════════════════════════════════════════
   BOTTOM PANEL / LOG
   ════════════════════════════════════════ */
#progress-bar-wrap { height: 3px; background: var(--bg-tertiary); flex-shrink: 0; }
#progress-bar { height: 100%; width: 0%; background: var(--blue); transition: width 0.3s; }

#log-output {
  flex: 1; overflow-y: auto; padding: 6px 14px;
  font-size: 11px; font-family: var(--font-mono);
  color: var(--label-2);
}
.log-line  { margin-bottom: 1px; }
.log-info  { color: var(--label-3); }
.log-ok    { color: var(--green-text); }
.log-warn  { color: var(--orange); }
.log-error { color: var(--red); }

/* ════════════════════════════════════════
   MODAL
   ════════════════════════════════════════ */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.28);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
  animation: overlay-in var(--dur-normal) var(--ease);
}
@keyframes overlay-in { from{opacity:0} to{opacity:1} }

.modal {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  width: min(460px, 92vw); max-height: 85vh;
  display: flex; flex-direction: column; overflow: hidden;
  box-shadow: var(--shadow-xl);
  animation: sheet-in var(--dur-slow) var(--ease-spring);
}
@keyframes sheet-in {
  from { opacity: 0; transform: scale(0.96) translateY(12px); }
  to   { opacity: 1; transform: scale(1)    translateY(0); }
}
.modal-wide { width: 700px; max-height: 88vh; }

.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--sep);
}
.modal-header h2 { font-size: 15px; font-weight: 600; letter-spacing: -0.2px; }
.modal-close {
  background: var(--fill-3);
  color: var(--label-2);
  font-size: 13px;
  width: 28px; height: 28px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  padding: 0;
}
.modal-close:hover { background: var(--fill-2); color: var(--label); opacity: 1; }

.modal-body {
  padding: 16px 18px;
  overflow-y: auto; flex: 1;
  display: flex; flex-direction: column; gap: 14px;
}
.modal-footer {
  padding: 12px 18px;
  border-top: 1px solid var(--sep);
  display: flex; align-items: center; justify-content: flex-end; gap: 10px;
}

/* ── Form Controls in Modals ── */
.key-group { display: flex; flex-direction: column; gap: 5px; }
.key-group label { font-size: 11px; font-weight: 600; color: var(--label-2); text-transform: uppercase; letter-spacing: 0.4px; }
.key-group input[type="text"],
.key-group input[type="password"],
.key-group select {
  background: var(--fill-3); color: var(--label);
  border: none; border-radius: var(--r-md);
  padding: 9px 12px; font-size: 13px; width: 100%;
  font-family: var(--font);
  transition: outline var(--dur-fast);
}
.key-group input:focus,
.key-group select:focus { outline: 2px solid var(--blue); outline-offset: 0; }
.key-row { display: flex; gap: 6px; }
.key-row input { flex: 1; }
.btn-toggle-vis {
  background: var(--fill-3);
  border: none; border-radius: var(--r-md);
  padding: 0 12px; font-size: 14px; flex-shrink: 0;
}
.key-hint { font-size: 11px; color: var(--label-3); }
.key-optional {
  font-size: 10px; font-weight: 500; color: var(--label-3);
  background: var(--fill-3);
  padding: 2px 7px; border-radius: var(--r-badge); margin-left: 4px;
}

#btn-settings-save  { background: var(--blue); color: #fff; padding: 8px 20px; font-weight: 600; }
#settings-saved-msg { font-size: 12px; color: var(--green-text); }

/* ── Export Controls ── */
.export-checks { display: flex; flex-direction: column; gap: 5px; margin-bottom: 10px; }
.export-check {
  display: flex; align-items: center; gap: 8px;
  font-size: 12px; color: var(--label); cursor: pointer;
}
.export-check input[type="checkbox"] { accent-color: var(--blue); width: 14px; height: 14px; }

/* ════════════════════════════════════════
   QUALITY REPORT
   ════════════════════════════════════════ */
.quality-header {
  display: flex; align-items: center; gap: 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--sep);
  border-radius: var(--r-lg);
  padding: 14px; margin-bottom: 12px;
}
.quality-grade {
  font-size: 30px; font-weight: 700;
  width: 48px; text-align: center;
  border-radius: var(--r-md); padding: 4px 0;
}
.grade-A { background: rgba(48,209,88,0.15);   color: var(--green-text); }
.grade-B { background: rgba(255,159,10,0.15);  color: var(--orange); }
.grade-C { background: rgba(255,159,10,0.1);   color: #f59e0b; }
.grade-F { background: rgba(255,69,58,0.15);   color: var(--red); }

.quality-stats { flex: 1; display: flex; flex-direction: column; gap: 4px; }
.quality-stat  { display: flex; justify-content: space-between; font-size: 12px; }
.quality-stat .qs-label { color: var(--label-2); }
.quality-stat .qs-val   { font-weight: 600; }

.quality-low-pages h4 { font-size: 12px; font-weight: 600; color: var(--orange); margin-bottom: 8px; }
.low-page-chips { display: flex; flex-wrap: wrap; gap: 5px; }
.low-page-chip {
  background: rgba(255,159,10,0.12); color: var(--orange);
  font-size: 11px; font-weight: 600;
  padding: 2px 9px; border-radius: var(--r-badge);
}

/* ════════════════════════════════════════
   ENTITY EXTRACTION
   ════════════════════════════════════════ */
#entities-toolbar {
  display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px;
}
#entities-count { font-size: 12px; color: var(--label-2); }
#btn-reextract  {
  background: var(--fill-3); border: none; color: var(--label);
  font-size: 12px; padding: 5px 12px; border-radius: var(--r-md);
}

.entity-group { margin-bottom: 16px; }
.entity-group-title {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.5px; margin-bottom: 7px;
  display: flex; align-items: center; gap: 6px;
}
.entity-group-title .eg-count {
  background: var(--fill-3);
  font-size: 10px; padding: 1px 7px; border-radius: var(--r-badge);
  font-weight: 500; color: var(--label-2);
}
.entity-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.entity-chip {
  display: flex; align-items: center; gap: 6px;
  border-radius: var(--r-md); padding: 5px 10px; font-size: 12px;
  cursor: default;
}
.entity-chip .chip-val  { font-weight: 600; }
.entity-chip .chip-conf { font-size: 10px; opacity: 0.6; }
.entity-chip .chip-src  { font-size: 9px; opacity: 0.45; text-transform: uppercase; }

/* Entity type colors (keep existing palette, remap to apple vars) */
.etype-date          { background: rgba(48,209,88,0.12);   color: var(--green-text); }
.etype-machine_id    { background: rgba(0,122,255,0.12);  color: var(--blue); }
.etype-part_no       { background: rgba(255,159,10,0.12);  color: var(--orange); }
.etype-work_order    { background: rgba(191,90,242,0.12);  color: var(--purple); }
.etype-person_name   { background: rgba(255,55,95,0.12);   color: var(--pink); }
.etype-department    { background: rgba(100,210,255,0.12); color: var(--teal); }
.etype-tpm_pillar    { background: rgba(48,209,88,0.12);   color: var(--green-text); }
.etype-failure_mode  { background: rgba(255,69,58,0.12);   color: var(--red); }
.etype-failure_description { background: rgba(255,69,58,0.08); color: #ff6b6b; }
.etype-root_cause    { background: rgba(255,159,10,0.12);  color: var(--orange); }
.etype-corrective_action { background: rgba(48,209,88,0.1); color: var(--green-text); }
.etype-email         { background: var(--fill-3); color: var(--label-2); }
.etype-phone         { background: var(--fill-3); color: var(--label-2); }
.etype-asset_tag     { background: rgba(255,214,10,0.12);  color: var(--yellow); }
.etype-machine_name  { background: rgba(0,122,255,0.1);   color: var(--blue); }
.etype-document_ref  { background: var(--fill-3); color: var(--label-2); }
.etype-default       { background: var(--fill-3); color: var(--label); }

/* ════════════════════════════════════════
   ENTITY MANAGER MODAL
   ════════════════════════════════════════ */
.em-presets { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.em-label   { font-size: 12px; color: var(--label-2); white-space: nowrap; }
#em-preset-chips { display: flex; gap: 6px; flex-wrap: wrap; }
.em-preset-chip {
  font-size: 12px; padding: 4px 14px;
  border-radius: var(--r-badge); cursor: pointer;
  background: var(--fill-3); color: var(--label-2);
  transition: background var(--dur-fast), color var(--dur-fast);
}
.em-preset-chip:hover, .em-preset-chip.active {
  background: rgba(0,122,255,0.15); color: var(--blue);
}

#em-type-list {
  display: flex; flex-direction: column; gap: 3px;
  max-height: 340px; overflow-y: auto; margin-bottom: 14px;
}
.em-type-row {
  display: flex; align-items: center; gap: 10px;
  background: var(--bg-tertiary);
  border-radius: var(--r-md);
  padding: 8px 12px;
  transition: background var(--dur-fast);
}
.em-type-row:hover      { background: var(--bg-elevated); }
.em-type-row.disabled   { opacity: 0.4; }
.em-type-icon  { font-size: 16px; flex-shrink: 0; }
.em-type-info  { flex: 1; min-width: 0; }
.em-type-name  { font-size: 13px; font-weight: 600; }
.em-type-desc  { font-size: 11px; color: var(--label-3); margin-top: 1px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.em-type-group {
  font-size: 10px; padding: 2px 8px;
  border-radius: var(--r-badge); flex-shrink: 0;
  background: var(--fill-3); color: var(--label-2);
}
.em-type-toggle { flex-shrink: 0; }
.em-type-toggle input { accent-color: var(--blue); width: 14px; height: 14px; }
.em-type-del {
  background: transparent; color: var(--label-3);
  font-size: 13px; padding: 2px 6px; flex-shrink: 0;
}
.em-type-del:hover { color: var(--red); }

.em-add-section { border-top: 1px solid var(--sep); padding-top: 14px; }
.em-add-section h4 { font-size: 12px; font-weight: 600; color: var(--label-2); margin-bottom: 8px; }
.em-add-form { display: flex; gap: 6px; flex-wrap: wrap; }
.em-add-form input, .em-add-form select {
  flex: 1; min-width: 120px;
  background: var(--fill-3); color: var(--label);
  border: none; border-radius: var(--r-md);
  padding: 7px 10px; font-size: 12px; font-family: var(--font);
}
.em-add-form input:focus, .em-add-form select:focus { outline: 2px solid var(--blue); outline-offset: 0; }
#btn-em-add         { background: var(--blue); color: #fff; padding: 7px 16px; white-space: nowrap; flex-shrink: 0; font-weight: 600; }
#btn-manage-types   { background: var(--fill-3); color: var(--label-2); font-size: 12px; padding: 5px 10px; }
#btn-entity-modal-done { background: var(--blue); color: #fff; padding: 8px 20px; font-weight: 600; }

/* ── Entity Manager Tabs (inside modal) ── */
.em-tab-bar {
  display: flex; gap: 0;
  border-bottom: 1px solid var(--sep);
  padding: 0 16px;
  background: var(--bg-elevated);
}
.em-tab {
  background: none; border: none;
  border-bottom: 2px solid transparent;
  color: var(--label-2); padding: 10px 16px;
  font-size: 13px; cursor: pointer;
  transition: color var(--dur-fast);
}
.em-tab:hover  { color: var(--label); opacity: 1; }
.em-tab.active { color: var(--blue); border-bottom-color: var(--blue); font-weight: 600; }

/* ── Custom Dictionary ── */
.em-dict-hint { font-size: 12px; color: var(--label-2); margin-bottom: 12px; line-height: 1.5; }
.em-dict-catbar { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
#em-dict-cats   { display: flex; gap: 6px; flex-wrap: wrap; flex: 1; }
.em-dict-cat {
  background: var(--fill-3); color: var(--label-2);
  border-radius: var(--r-badge); padding: 4px 14px; font-size: 12px;
  cursor: pointer; transition: background var(--dur-fast), color var(--dur-fast);
}
.em-dict-cat:hover  { background: var(--fill-2); color: var(--label); }
.em-dict-cat.active { background: rgba(0,122,255,0.15); color: var(--blue); }
.em-dict-cat .cat-del { margin-left: 6px; opacity: 0.5; font-size: 10px; }
.em-dict-cat .cat-del:hover { opacity: 1; }
.btn-sm {
  background: var(--fill-3); color: var(--label-2);
  font-size: 12px; padding: 5px 10px; border-radius: var(--r-md); white-space: nowrap;
}
.btn-sm:hover { background: var(--fill-2); color: var(--label); opacity: 1; }
#em-dict-body {
  min-height: 120px; max-height: 220px; overflow-y: auto;
  border-radius: var(--r-md); padding: 10px 12px;
  background: var(--bg-tertiary); margin-bottom: 10px;
}
.em-kw-list { display: flex; flex-wrap: wrap; gap: 6px; }
.em-kw-chip {
  display: inline-flex; align-items: center; gap: 5px;
  background: var(--fill-3);
  border-radius: var(--r-badge); padding: 4px 10px; font-size: 12px;
}
.em-kw-chip button { background: none; border: none; color: var(--label-3); cursor: pointer; font-size: 11px; padding: 0; }
.em-kw-chip button:hover { color: var(--red); }
.em-dict-add-row { display: flex; gap: 6px; }
.em-dict-add-row input {
  flex: 1; background: var(--fill-3); color: var(--label);
  border: none; border-radius: var(--r-md);
  padding: 7px 10px; font-size: 12px; font-family: var(--font);
}
.em-dict-add-row input:focus { outline: 2px solid var(--blue); outline-offset: 0; }
#btn-dict-add-kw { background: var(--blue); color: #fff; padding: 7px 14px; flex-shrink: 0; font-weight: 600; }
.em-dict-cat-header { font-size: 12px; font-weight: 600; color: var(--label-2); margin-bottom: 8px; }

/* ════════════════════════════════════════
   COMPARE TAB
   ════════════════════════════════════════ */
#tab-compare { display: flex; flex-direction: column; height: 100%; padding: 0; overflow: hidden; }

.cmp-mode-bar {
  display: flex; gap: 4px;
  border-bottom: 1px solid var(--sep);
  padding: 8px 12px; flex-shrink: 0;
}
.cmp-mode-btn {
  background: var(--fill-3); color: var(--label-2);
  border-radius: var(--r-md); padding: 5px 14px;
  font-size: 12px; cursor: pointer;
  transition: background var(--dur-fast), color var(--dur-fast);
}
.cmp-mode-btn:hover  { background: var(--fill-2); color: var(--label); opacity: 1; }
.cmp-mode-btn.active { background: var(--blue); color: #fff; }

#cmp-panel-engines, #cmp-panel-docs {
  display: flex; flex-direction: column; flex: 1; overflow: hidden;
  padding: 10px 12px; gap: 8px;
}
.cmp-engine-controls, .cmp-doc-controls {
  display: flex; align-items: center; gap: 10px; flex-shrink: 0;
}
.cmp-col-header { display: flex; align-items: center; gap: 6px; flex: 1; }
.cmp-col-header label { font-size: 12px; color: var(--label-2); white-space: nowrap; }
.cmp-col-header select {
  flex: 1; background: var(--fill-3); color: var(--label);
  border: none; border-radius: var(--r-md); padding: 6px 9px; font-size: 12px; font-family: var(--font);
}
.cmp-run-btn { background: var(--blue); color: #fff; padding: 6px 16px; font-size: 12px; white-space: nowrap; flex-shrink: 0; font-weight: 600; }
.cmp-badge   { font-size: 11px; color: var(--label-3); white-space: nowrap; }

.cmp-split {
  display: flex; flex: 1; overflow: hidden;
  border: 1px solid var(--sep); border-radius: var(--r-lg);
}
.cmp-pane {
  flex: 1; overflow-y: auto; padding: 10px 12px;
  font-size: 12px; line-height: 1.7;
  white-space: pre-wrap; font-family: var(--font-mono);
}
.cmp-pane:first-child { border-right: 1px solid var(--sep); }
.cmp-pane-placeholder { color: var(--label-3); font-family: var(--font); font-size: 12px; padding: 20px; text-align: center; }
.cmp-diff-stats { font-size: 12px; color: var(--label-3); padding: 6px 2px; flex-shrink: 0; }

.cmp-pane .diff-w-add { background: rgba(48,209,88,0.2);  border-radius: 2px; }
.cmp-pane .diff-w-del { background: rgba(255,69,58,0.2);  border-radius: 2px; text-decoration: line-through; }

.cmp-diff-legend { display: flex; gap: 12px; font-size: 11px; flex-shrink: 0; }
.diff-added   { color: var(--green-text); }
.diff-removed { color: var(--red); }
.diff-unchanged { color: var(--label-3); }
.cmp-diff-output {
  flex: 1; overflow-y: auto;
  border: 1px solid var(--sep); border-radius: var(--r-lg);
  padding: 10px 14px; font-size: 12px; line-height: 1.8;
  font-family: var(--font-mono); white-space: pre-wrap;
}
.diff-line-add { background: rgba(48,209,88,0.12); color: var(--green-text);  display: block; padding: 0 4px; }
.diff-line-del { background: rgba(255,69,58,0.1);  color: var(--red);    display: block; padding: 0 4px; text-decoration: line-through; }
.diff-line-eq  { color: var(--label-3);             display: block; padding: 0 4px; }
.diff-hunk-sep { color: var(--label-3); opacity: 0.5; display: block; padding: 4px; font-style: italic; border-top: 1px solid var(--sep); margin: 4px 0; }

/* ════════════════════════════════════════
   TEMPLATE EXTRACTION TAB
   ════════════════════════════════════════ */
#tab-template { display: flex; flex-direction: column; height: 100%; padding: 0; overflow: hidden; }

.tmpl-toolbar {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap;
  gap: 6px; padding: 8px 12px;
  border-bottom: 1px solid var(--sep); flex-shrink: 0;
}
.tmpl-toolbar-left, .tmpl-toolbar-right { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.tmpl-toolbar select {
  background: var(--fill-3); color: var(--label);
  border: none; border-radius: var(--r-md);
  padding: 6px 9px; font-size: 12px; font-family: var(--font);
}
.tmpl-btn {
  background: var(--fill-3); color: var(--label);
  padding: 5px 12px; font-size: 12px; border-radius: var(--r-md);
  white-space: nowrap; transition: background var(--dur-fast);
}
.tmpl-btn:hover     { background: var(--fill-2); opacity: 1; }
.tmpl-btn:disabled  { opacity: 0.4; cursor: not-allowed; }
.tmpl-btn-primary   { background: var(--blue); color: #fff; font-weight: 600; }
.tmpl-btn-primary:hover { opacity: 0.88; }

.tmpl-match-badge {
  font-size: 12px; padding: 3px 10px;
  border-radius: var(--r-badge);
}
.tmpl-match-badge.high   { background: rgba(48,209,88,0.12);  color: var(--green-text); }
.tmpl-match-badge.medium { background: rgba(255,159,10,0.12); color: var(--orange); }
.tmpl-match-badge.low    { background: rgba(255,69,58,0.12);  color: var(--red); }

.tmpl-body {
  flex: 1; overflow-y: auto; padding: 14px;
  display: flex; flex-direction: column; gap: 12px;
}
.tmpl-placeholder {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 10px; height: 100%; color: var(--label-3); text-align: center; font-size: 13px;
}
.tmpl-placeholder-sub { font-size: 11px; opacity: 0.5; }

.tmpl-stats-bar {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px;
  background: var(--bg-tertiary);
  border-radius: var(--r-lg); font-size: 12px;
}
.tmpl-stat { display: flex; align-items: center; gap: 5px; }
.tmpl-stat-val { font-weight: 700; font-size: 15px; font-variant-numeric: tabular-nums; }
.tmpl-stat-val.ok   { color: var(--green-text); }
.tmpl-stat-val.warn { color: var(--orange); }
.tmpl-progress-bar-wrap { flex: 1; height: 5px; background: var(--fill-3); border-radius: 3px; overflow: hidden; }
.tmpl-progress-bar { height: 100%; border-radius: 3px; transition: width 0.4s var(--ease); }

.tmpl-fields-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.tmpl-fields-table th {
  background: var(--fill-3); color: var(--label);
  font-weight: 600; padding: 9px 12px;
  border-bottom: 1px solid var(--sep); text-align: left;
}
.tmpl-fields-table td { padding: 8px 12px; border-bottom: 1px solid var(--sep); vertical-align: middle; }
.tmpl-fields-table tr:last-child td { border-bottom: none; }
.tmpl-fields-table tr:hover td { background: var(--fill-4); }
.tmpl-field-label { font-weight: 500; white-space: nowrap; }
.tmpl-field-req   { color: var(--red); margin-left: 3px; font-size: 10px; }
.tmpl-field-value { min-width: 160px; }
.tmpl-field-value input {
  background: transparent; border: none; color: var(--label);
  width: 100%; font-size: 12px; outline: none; font-family: var(--font);
}
.tmpl-field-value input:focus { border-bottom: 1.5px solid var(--blue); }
.tmpl-field-value.not-found input { color: var(--label-3); font-style: italic; }
.tmpl-field-conf { width: 60px; text-align: center; font-size: 11px; color: var(--label-3); }
.tmpl-field-conf.high   { color: var(--green-text); }
.tmpl-field-conf.medium { color: var(--orange); }
.tmpl-field-conf.low    { color: var(--red); }
.tmpl-field-raw  { font-size: 11px; color: var(--label-3); max-width: 200px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tmpl-manual-badge {
  font-size: 9px; background: rgba(0,122,255,0.15); color: var(--blue);
  border-radius: var(--r-badge); padding: 1px 6px; margin-left: 4px;
}

/* ── Template Manager ── */
.tmgr-layout { display: flex; height: 440px; }
.tmgr-list-panel { width: 200px; border-right: 1px solid var(--sep); display: flex; flex-direction: column; flex-shrink: 0; }
.tmgr-list-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 12px; border-bottom: 1px solid var(--sep);
  font-size: 12px; font-weight: 600;
}
.tmgr-list       { list-style: none; padding: 0; margin: 0; overflow-y: auto; flex: 1; }
.tmgr-list-item  {
  display: flex; align-items: center; gap: 6px;
  padding: 9px 12px; cursor: pointer; font-size: 12px;
  border-bottom: 1px solid var(--sep);
  transition: background var(--dur-fast);
}
.tmgr-list-item:hover  { background: var(--fill-3); }
.tmgr-list-item.active { background: rgba(0,122,255,0.12); color: var(--blue); }
.tmgr-list-item .tmgr-del { margin-left: auto; opacity: 0; font-size: 11px; color: var(--red); }
.tmgr-list-item:hover .tmgr-del { opacity: 1; }

.tmgr-editor-panel { flex: 1; overflow-y: auto; padding: 14px; }
.tmgr-editor-placeholder { color: var(--label-3); font-size: 13px; padding: 40px; text-align: center; }
.tmgr-meta-row { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.tmgr-meta-row input, .tmgr-meta-row textarea {
  background: var(--fill-3); color: var(--label);
  border: none; border-radius: var(--r-md);
  padding: 7px 10px; font-size: 12px; font-family: var(--font);
}
.tmgr-meta-row input:focus, .tmgr-meta-row textarea:focus { outline: 2px solid var(--blue); outline-offset: 0; }
.tmgr-section-title {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.5px; color: var(--label-2); margin: 10px 0 6px;
}
.tmgr-field-row { display: flex; gap: 6px; align-items: center; margin-bottom: 5px; flex-wrap: wrap; }
.tmgr-field-row input, .tmgr-field-row select {
  background: var(--fill-3); color: var(--label);
  border: none; border-radius: var(--r-sm);
  padding: 5px 8px; font-size: 11px; font-family: var(--font);
}
.tmgr-field-row input:focus, .tmgr-field-row select:focus { outline: 2px solid var(--blue); outline-offset: 0; }
.tmgr-field-row .f-key   { width: 120px; }
.tmgr-field-row .f-label { width: 130px; }
.tmgr-field-row .f-hint  { flex: 1; min-width: 100px; }
.tmgr-field-del { background: none; color: var(--label-3); font-size: 14px; padding: 0 4px; }
.tmgr-field-del:hover { color: var(--red); }
.tmgr-add-field-btn {
  background: var(--fill-3);
  border: 1.5px dashed var(--sep-opaque);
  color: var(--label-2);
  font-size: 12px; padding: 6px 12px;
  border-radius: var(--r-md); width: 100%; margin-top: 6px;
}
.tmgr-add-field-btn:hover { border-color: var(--blue); color: var(--blue); opacity: 1; }
.tmgr-save-btn { background: var(--blue); color: #fff; padding: 7px 16px; font-size: 12px; border-radius: var(--r-md); margin-top: 10px; font-weight: 600; }

/* ════════════════════════════════════════
   TABLES TAB
   ════════════════════════════════════════ */
#tab-tables { display: flex; flex-direction: column; height: 100%; padding: 0; overflow: hidden; }

.tbl-toolbar {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap;
  gap: 6px; padding: 8px 12px;
  border-bottom: 1px solid var(--sep); flex-shrink: 0;
}
.tbl-toolbar-left, .tbl-toolbar-right { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.tbl-toolbar select {
  background: var(--fill-3); color: var(--label);
  border: none; border-radius: var(--r-md);
  padding: 6px 9px; font-size: 12px; font-family: var(--font);
}
.tbl-btn { background: var(--fill-3); color: var(--label); padding: 5px 12px; font-size: 12px; border-radius: var(--r-md); white-space: nowrap; }
.tbl-btn:hover    { background: var(--fill-2); opacity: 1; }
.tbl-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.tbl-btn-primary  { background: var(--blue); color: #fff; font-weight: 600; }
.tbl-btn-primary:hover { opacity: 0.88; }
.tbl-count-badge {
  font-size: 12px; font-weight: 700; color: var(--blue);
  background: rgba(0,122,255,0.12);
  border-radius: var(--r-badge); padding: 3px 10px;
}

.tbl-body {
  flex: 1; overflow-y: auto; padding: 12px;
  display: flex; flex-direction: column; gap: 14px;
}
.tbl-placeholder {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 10px; height: 100%; color: var(--label-3); text-align: center; font-size: 13px;
}
.tbl-placeholder-sub { font-size: 11px; opacity: 0.5; }

.tbl-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--sep);
  border-radius: var(--r-lg); overflow: hidden;
}
.tbl-card-header {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px; border-bottom: 1px solid var(--sep);
  background: var(--bg-secondary);
}
.tbl-card-title { font-size: 13px; font-weight: 600; flex: 1; }
.tbl-card-title input {
  background: transparent; border: none; color: var(--label);
  font-size: 13px; font-weight: 600; width: 100%; outline: none;
}
.tbl-card-title input:focus { border-bottom: 1.5px solid var(--blue); }
.tbl-card-meta    { font-size: 11px; color: var(--label-3); white-space: nowrap; }
.tbl-card-actions { display: flex; gap: 4px; }
.tbl-card-actions button {
  background: var(--fill-3); color: var(--label-2);
  padding: 3px 8px; font-size: 11px; border-radius: var(--r-sm);
}
.tbl-card-actions button:hover { background: var(--fill-2); color: var(--label); opacity: 1; }

.tbl-wrap { overflow-x: auto; }
.tbl-wrap table     { border-collapse: collapse; width: 100%; font-size: 12px; }
.tbl-wrap th        { background: var(--fill-3); color: var(--label); font-weight: 600; padding: 8px 10px; border-bottom: 1px solid var(--sep); text-align: left; white-space: nowrap; }
.tbl-wrap td        { padding: 6px 10px; border-bottom: 1px solid var(--sep); color: var(--label); }
.tbl-wrap tr:last-child td { border-bottom: none; }
.tbl-wrap tr:hover td { background: var(--fill-4); }
.tbl-wrap td[contenteditable="true"]       { outline: none; }
.tbl-wrap td[contenteditable="true"]:focus { background: rgba(0,122,255,0.1); outline: 1.5px solid var(--blue); }
.tbl-wrap th[contenteditable="true"]:focus { outline: 1.5px solid var(--blue); }

.tbl-source-badge { font-size: 10px; padding: 2px 7px; border-radius: var(--r-badge); }
.tbl-source-badge.vision { background: rgba(191,90,242,0.12); color: var(--purple); }
.tbl-source-badge.text   { background: var(--fill-3);         color: var(--label-3); }

/* ════════════════════════════════════════
   AI INSIGHTS TAB
   ════════════════════════════════════════ */
#tab-insights { display: flex; flex-direction: column; height: 100%; padding: 0; overflow: hidden; }

.ins-toolbar {
  flex-shrink: 0; border-bottom: 1px solid var(--sep);
  padding: 10px 14px;
  display: flex; flex-direction: column; gap: 8px;
}
.ins-model-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.ins-model-row label { font-size: 11px; color: var(--label-2); white-space: nowrap; font-weight: 500; }
.ins-model-row select {
  background: var(--fill-3); color: var(--label);
  border: none; border-radius: var(--r-md);
  padding: 5px 9px; font-size: 12px; font-family: var(--font);
}
.ins-btn-row { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.ins-btn {
  background: var(--fill-3); color: var(--label);
  padding: 6px 14px; font-size: 12px; border-radius: var(--r-md);
  transition: background var(--dur-fast);
}
.ins-btn:hover    { background: var(--fill-2); opacity: 1; }
.ins-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.ins-btn-primary  { background: var(--blue); color: #fff; font-weight: 600; }
.ins-btn-primary:hover { opacity: 0.88; }
.ins-cost { font-size: 11px; color: var(--label-3); margin-left: auto; }

.ins-body { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 14px; }

.ins-placeholder {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 10px; height: 100%; color: var(--label-3); text-align: center; font-size: 13px;
}
.ins-placeholder-icon { font-size: 40px; opacity: 0.35; }
.ins-placeholder-sub  { font-size: 11px; opacity: 0.5; }

.ins-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--sep);
  border-radius: var(--r-lg); overflow: hidden;
}
.ins-card-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px; border-bottom: 1px solid var(--sep);
}
.ins-card-title { font-size: 13px; font-weight: 600; display: flex; align-items: center; gap: 6px; }
.ins-card-meta  { font-size: 11px; color: var(--label-3); }
.ins-card-body  { padding: 14px; font-size: 13px; line-height: 1.7; }

.ins-bullets { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 6px; }
.ins-bullets li { display: flex; gap: 8px; }
.ins-bullets li::before { content: '•'; color: var(--blue); flex-shrink: 0; font-weight: bold; }

.ins-sections { display: flex; flex-direction: column; gap: 12px; }
.ins-section-title {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.5px; color: var(--label-2); margin-bottom: 6px;
}
.ins-tag-row { display: flex; flex-wrap: wrap; gap: 6px; }
.ins-tag {
  display: inline-block; padding: 3px 10px;
  border-radius: var(--r-badge); font-size: 11px;
  background: var(--fill-3); color: var(--label-2);
}
.ins-tag.risk   { background: rgba(255,69,58,0.12);  color: var(--red); }
.ins-tag.action { background: rgba(255,159,10,0.12); color: var(--orange); }
.ins-tag.info   { background: rgba(0,122,255,0.12); color: var(--blue); }

.ins-doctype {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(0,122,255,0.12);
  color: var(--blue); padding: 4px 14px;
  border-radius: var(--r-badge); font-size: 12px; font-weight: 600;
}

.ins-loading { display: flex; flex-direction: column; gap: 10px; padding: 14px; }
.ins-skel { height: 13px; background: var(--fill-3); border-radius: var(--r-sm); animation: skel-pulse 1.4s ease infinite; }
.ins-skel.wide { width: 85%; } .ins-skel.med { width: 65%; } .ins-skel.short { width: 45%; }
@keyframes skel-pulse { 0%,100%{opacity:0.3} 50%{opacity:0.8} }

/* ════════════════════════════════════════
   HEADER BRAND (UX Revision)
   ════════════════════════════════════════ */
.header-brand {
  display: flex; align-items: center; gap: 9px;
  flex-shrink: 0;
}
.header-icon {
  font-size: 18px;
  width: 28px; height: 28px;
  background: rgba(0,122,255,0.08);
  border: 1px solid rgba(0,122,255,0.18);
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.header-brand h1 {
  font-size: 14px;
  font-weight: 700;
  color: var(--label);
  letter-spacing: -0.3px;
  line-height: 1;
}
.header-subtitle {
  display: block;
  font-size: 10px;
  color: var(--label-3);
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1;
  margin-top: 2px;
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ════════════════════════════════════════
   EMPTY STATES (UX Revision)
   ════════════════════════════════════════ */
.empty-center {
  display: flex; flex-direction: column; align-items: center;
  gap: 10px; text-align: center;
}
.empty-icon  { font-size: 48px; opacity: 0.15; }
.empty-title { font-size: 14px; font-weight: 600; color: var(--label-2); }
.empty-sub   { font-size: 12px; color: var(--label-3); line-height: 1.5; max-width: 280px; }

/* ── Job list empty state with workflow steps ── */
.jobs-empty {
  padding: 20px 6px;
  display: flex; flex-direction: column; align-items: center;
}
.jobs-empty-steps {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  width: 100%;
}
.step-item {
  display: flex; align-items: center; gap: 10px;
  background: var(--bg-tertiary);
  border: 1px solid var(--sep);
  border-radius: var(--r-md);
  padding: 8px 12px;
  width: 100%; font-size: 12px; color: var(--label-2);
}
.step-num {
  width: 20px; height: 20px;
  background: var(--blue);
  color: #fff; font-size: 11px; font-weight: 700;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.step-arrow { color: var(--label-4); font-size: 14px; }

/* ════════════════════════════════════════
   SETTINGS SECTION IMPROVEMENTS
   ════════════════════════════════════════ */
.settings-section h3 {
  display: flex; align-items: center; gap: 5px;
}
.section-hint {
  display: inline-flex; align-items: center; justify-content: center;
  width: 14px; height: 14px;
  background: var(--fill-3);
  color: var(--label-3);
  border-radius: 50%;
  font-size: 9px; font-weight: 700;
  cursor: help;
  transition: background var(--dur-fast), color var(--dur-fast);
  flex-shrink: 0;
}
.section-hint:hover { background: var(--fill-2); color: var(--label-2); }

.setting-desc {
  font-size: 11px;
  color: var(--label-3);
  line-height: 1.5;
  margin-top: 6px;
}

/* ════════════════════════════════════════
   TAB IMPROVEMENTS (UX Revision)
   ════════════════════════════════════════ */
.tab-divider {
  width: 1px;
  background: var(--sep);
  margin: 4px 4px;
  align-self: stretch;
  flex-shrink: 0;
}
.tab-secondary {
  opacity: 0.6;
}
.tab-secondary:hover { opacity: 1; }
.tab-secondary.active { opacity: 1; }

/* ════════════════════════════════════════
   KEY BADGES (Settings modal)
   ════════════════════════════════════════ */
.key-badge {
  display: inline-block;
  font-size: 10px; font-weight: 500;
  padding: 1px 7px; border-radius: var(--r-badge);
  background: var(--fill-3); color: var(--label-3);
  margin-left: 4px;
}
.key-badge-required { background: rgba(0,122,255,0.12); color: var(--blue); }
.key-badge-free     { background: rgba(48,209,88,0.12);  color: var(--green-text); }

/* ════════════════════════════════════════
   MODAL SECTION LABELS
   ════════════════════════════════════════ */
.modal-section-label {
  font-size: 10px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.6px;
  color: var(--label-3); padding-bottom: 4px;
}

/* ════════════════════════════════════════
   WORKSPACE SWITCHER
   ════════════════════════════════════════ */
.ws-switcher {
  position: relative;
  display: flex; align-items: center; gap: 6px;
  padding: 5px 10px;
  background: var(--fill-3);
  border-radius: var(--r-lg);
  cursor: pointer;
  user-select: none;
  transition: background var(--dur-fast);
  max-width: 220px;
}
.ws-switcher:hover { background: var(--fill-2); }
.ws-switcher-icon { font-size: 14px; flex-shrink: 0; }
.ws-switcher #ws-name {
  font-size: 12px; font-weight: 600;
  color: var(--label);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  flex: 1; min-width: 0;
}
.ws-caret { font-size: 9px; color: var(--label-3); flex-shrink: 0; transition: transform var(--dur-fast); }
.ws-switcher.open .ws-caret { transform: rotate(180deg); }

/* Role badge */
.ws-role-badge {
  font-size: 9px; font-weight: 700;
  padding: 1px 6px; border-radius: var(--r-badge);
  text-transform: uppercase; letter-spacing: 0.4px;
  flex-shrink: 0;
}
.ws-role-owner  { background: rgba(255,214,10,0.15);  color: var(--yellow); }
.ws-role-admin  { background: rgba(0,122,255,0.15);  color: var(--blue); }
.ws-role-member { background: var(--fill-3);           color: var(--label-3); }

/* Dropdown */
.ws-dropdown {
  display: none;
  position: absolute; top: calc(100% + 8px); left: 0;
  min-width: 240px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  overflow: hidden;
  animation: menu-pop var(--dur-normal) var(--ease-spring);
}
.ws-switcher.open .ws-dropdown { display: block; }
.ws-dropdown-header {
  font-size: 10px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.5px; color: var(--label-3);
  padding: 10px 14px 6px;
}
.ws-switcher-list { list-style: none; padding: 0 0 6px; margin: 0; }
.ws-item {
  display: flex; align-items: center; gap: 9px;
  padding: 9px 14px; cursor: pointer;
  transition: background var(--dur-fast);
  font-size: 13px;
}
.ws-item:hover { background: var(--fill-2); }
.ws-item.active { background: rgba(0,122,255,0.1); }
.ws-item-icon { font-size: 14px; flex-shrink: 0; }
.ws-item-name { flex: 1; font-weight: 500; color: var(--label); }
.ws-item-count { font-size: 11px; color: var(--label-3); }
.ws-divider { border-top: 1px solid var(--sep); margin: 4px 0; padding: 0 !important; cursor: default !important; }
.ws-divider:hover { background: none !important; }
.ws-item-new .ws-item-name { color: var(--blue); font-weight: 500; }

.ws-item-settings .ws-item-name { color: var(--label-2); }

/* ── Collapsible sidebar sections ── */
.settings-section.collapsible > .sec-toggle {
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: center;
  gap: 6px;
}
.settings-section.collapsible > .sec-toggle:hover { color: var(--blue); }

.sec-caret {
  font-size: 11px;
  color: var(--label-3);
  transition: transform 0.2s ease;
  flex-shrink: 0;
  display: inline-block;
}
.settings-section.collapsible.collapsed > .sec-toggle .sec-caret {
  transform: rotate(-90deg);
}

.sec-body {
  overflow: hidden;
  max-height: 2000px;
  transition: max-height 0.25s ease, opacity 0.2s ease;
  opacity: 1;
}
.settings-section.collapsible.collapsed > .sec-body {
  max-height: 0;
  opacity: 0;
}

/* ── Job delete button ── */
.job-del-btn {
  background: none;
  border: none;
  color: var(--label-3);
  font-size: 12px; line-height: 1;
  width: 20px; height: 20px; border-radius: 5px;
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer;
  opacity: 0.3;
  transition: opacity var(--dur-fast), color var(--dur-fast), background var(--dur-fast);
  flex-shrink: 0;
}
.job-item:hover .job-del-btn { opacity: 0.8; }
.job-del-btn:hover { color: var(--red) !important; opacity: 1 !important; background: color-mix(in srgb, var(--red) 12%, transparent); }

.job-export-btn {
  background: none;
  border: 1px solid rgba(0,122,255,0.45);
  color: var(--blue);
  font-size: 11px; line-height: 1;
  padding: 2px 7px;
  border-radius: 5px;
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--dur-fast), color var(--dur-fast);
}
.job-export-btn:hover { background: rgba(0,122,255,0.15); }

/* ── PDF Viewer ───────────────────────────────────────────── */

/* Empty state inside tab */
#tab-preview .empty-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 10px;
}

/* Wrapper that fills the tab-content area */
#pdf-viewer-wrap {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

/* Toolbar */
.pdf-viewer-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 12px;
  background: var(--fill-2);
  border-bottom: 1px solid var(--separator);
  flex-shrink: 0;
  gap: 8px;
}
.pdf-viewer-title {
  font-size: 12px;
  font-weight: 500;
  color: var(--label);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}
.pdf-viewer-toolbar-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}
.pdf-viewer-toolbar-actions .ocr-tool-btn,
.pdf-viewer-toolbar-actions a.ocr-tool-btn {
  font-size: 11px;
  padding: 3px 10px;
  text-decoration: none;
  color: var(--label);
}

/* Split layout: PDF | OCR sidebar */
.pdf-split-layout {
  display: flex;
  flex: 1;
  overflow: hidden;
  position: relative;
}

/* iframe container */
.pdf-iframe-wrap {
  flex: 1;
  position: relative;
  overflow: hidden;
}
.pdf-iframe {
  width: 100%;
  height: 100%;
  border: none;
  background: #525659;
}

/* Loading overlay */
.pdf-loading-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--bg);
  color: var(--label-2);
  font-size: 13px;
  z-index: 5;
}
.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--separator);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* OCR sidebar */
.pdf-ocr-sidebar {
  width: 280px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--separator);
  background: var(--bg-secondary);
  transition: width 0.2s ease, opacity 0.2s ease;
  overflow: hidden;
}
.pdf-ocr-sidebar.hidden {
  width: 0;
  opacity: 0;
  pointer-events: none;
}
.pdf-ocr-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  font-size: 11px;
  font-weight: 600;
  color: var(--label-2);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--separator);
  flex-shrink: 0;
}
.pdf-ocr-pages {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.pdf-ocr-loading {
  padding: 16px;
  color: var(--label-3);
  font-size: 12px;
  text-align: center;
}

/* Per-page card */
.pdf-page-card {
  background: var(--fill-2);
  border-radius: var(--r-sm);
  padding: 8px 10px;
  border: 1px solid var(--separator);
}
.pdf-page-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}
.pdf-page-num {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
}
.pdf-page-engine {
  font-size: 10px;
  color: var(--label-3);
  background: var(--fill-3);
  border-radius: 4px;
  padding: 1px 5px;
}
.pdf-page-conf {
  font-size: 10px;
  color: var(--label-3);
}
.pdf-page-text {
  font-size: 11px;
  color: var(--label);
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 200px;
  overflow-y: auto;
}

/* ════════════════════════════════════════════════════════════
   UI-FRIENDLY + RESPONSIVE  (appended)
   ════════════════════════════════════════════════════════════ */

/* Smooth, native-feeling scrolling on iOS for every scroll container */
.panel-left, .panel-center, .tab-content, .modal-body, .batch-list,
#log-output, .ws-dropdown, .user-menu, #entities-list, #chunks-list,
.export-popover, .tab-more-menu {
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

/* No grey tap flash on touch */
a, button, label, select, .tab, .job-item, .um-item, .ws-item,
.engine-card, .batch-item, .user-chip, [role="button"] {
  -webkit-tap-highlight-color: transparent;
}

/* Clear keyboard focus ring (accessibility) — only for keyboard, not mouse */
:focus-visible {
  outline: 2.5px solid var(--blue);
  outline-offset: 2px;
  border-radius: 6px;
}
:focus:not(:focus-visible) { outline: none; }

/* Hamburger — hidden on desktop, shown on mobile */
.nav-toggle {
  display: none;
  background: transparent; border: none; color: var(--label);
  padding: 6px; margin-right: 2px; border-radius: var(--r-sm);
  align-items: center; justify-content: center; cursor: pointer;
}
.nav-toggle:hover { background: var(--fill-3); }

/* Drawer backdrop */
.nav-backdrop {
  position: fixed; inset: 0; z-index: 40;
  background: rgba(0,0,0,0.32);
  animation: overlay-in var(--dur-normal) var(--ease);
}

/* Bigger touch targets on touch devices (Apple HIG ≈ 44px) */
@media (pointer: coarse) {
  button, .tab, .tab-more-btn, #btn-select-file, .um-item, .ws-item,
  .mode-btn, .cmp-mode-btn, select, .export-menu-btn {
    min-height: 44px;
  }
  .job-item { padding-top: 10px; padding-bottom: 10px; }
  input[type="checkbox"], input[type="radio"] { width: 20px; height: 20px; }
}

/* ── Phones / narrow tablets ── */
@media (max-width: 820px) {
  html, body { font-size: 14px; }

  .nav-toggle { display: inline-flex; }

  /* Single column; the file/jobs panel becomes a slide-in drawer */
  .studio-layout { grid-template-columns: 1fr; }

  .panel-left {
    position: fixed; top: 0; bottom: 0; left: 0;
    width: 84vw; max-width: 320px;
    z-index: 50;
    transform: translateX(-100%);
    transition: transform var(--dur-normal) var(--ease);
    box-shadow: var(--shadow-lg);
  }
  body.nav-open .panel-left { transform: translateX(0); }
  body:not(.nav-open) .nav-backdrop { display: none; }

  /* Header tightens up */
  .app-header { gap: 8px; padding: 0 12px; }
  .header-subtitle { display: none; }
  #status-bar { display: none; }
  .ws-switcher { margin-left: auto; }
  /* Collapse heavy text buttons to icons on small screens */
  #btn-ws-settings { font-size: 0; padding: 8px 10px; }
  #btn-ws-settings::before { content: '🏢'; font-size: 15px; }
  #btn-settings { font-size: 0; padding: 8px 10px; gap: 0; }
  #user-name-display { display: none; }

  /* Tabs scroll horizontally with comfortable spacing */
  .tabs-bar { padding: 6px 10px; }

  /* Bottom log: tap to expand instead of hover (hover ≠ touch) */
  .panel-bottom { height: 40px; }
  .panel-bottom:hover { height: 40px; }
  body.log-open .panel-bottom { height: 180px; }
}

/* ── Very small phones ── */
@media (max-width: 420px) {
  .tab { padding: 6px 9px; font-size: 12px; }
  .modal-header h2 { font-size: 16px; }
  .upload-zone { padding: 18px 14px; }
}

/* Respect reduced-motion preference */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ════════════════════════════════════════════════════════════
   MODERN SAAS POLISH — flat buttons / hairline inputs / underline tabs
   ════════════════════════════════════════════════════════════ */

/* ── Buttons: snappy press, no opacity wash ── */
button { letter-spacing: -0.005em; }
button:hover  { opacity: 1; }
button:active { transform: scale(0.98); }

/* Secondary / utility buttons — transparent with a crisp hairline border.
   Declared BEFORE the primary group so dual-class buttons (e.g.
   .tmpl-btn.tmpl-btn-primary) correctly resolve to the primary style. */
.btn-secondary,
.ocr-tool-btn,
#btn-settings,
.btn-sm,
.tmpl-btn,
.tbl-btn,
.ins-btn {
  background: transparent;
  border: 1px solid var(--border);
  box-shadow: none;
}
.btn-secondary:hover,
.ocr-tool-btn:hover,
#btn-settings:hover,
.btn-sm:hover,
.tmpl-btn:hover,
.tbl-btn:hover,
.ins-btn:hover {
  background: var(--fill-2);
  border-color: var(--border-strong);
  color: var(--label);
  opacity: 1;
}
/* Keep the colored utility buttons colored (override the hairline group) */
.ocr-btn-danger {
  background: rgba(255,59,48,0.10);
  border: 1px solid rgba(255,59,48,0.22);
  color: var(--red);
}

/* Filled blue buttons — solid, flat, single hairline shadow (no gradient/glow) */
.btn-primary,
#btn-select-file,
.export-menu-btn,
.batch-btn-start,
.ocr-btn-save,
#btn-settings-save,
.tmpl-btn-primary,
.tbl-btn-primary,
.ins-btn-primary,
.cmp-run-btn,
#btn-em-add,
#btn-entity-modal-done,
#btn-dict-add-kw,
.tmgr-save-btn {
  background: var(--blue);
  color: #fff;
  border: none;
  box-shadow: 0 1px 2px rgba(0,0,0,0.06);
  transition: background var(--dur-fast) var(--ease),
              transform var(--dur-fast) var(--ease-spring);
}
.btn-primary:hover,
#btn-select-file:hover,
.export-menu-btn:hover,
.batch-btn-start:hover,
.ocr-btn-save:hover,
#btn-settings-save:hover,
.tmpl-btn-primary:hover,
.tbl-btn-primary:hover,
.ins-btn-primary:hover,
.cmp-run-btn:hover,
#btn-em-add:hover,
#btn-entity-modal-done:hover,
#btn-dict-add-kw:hover,
.tmgr-save-btn:hover {
  background: var(--blue-hover);
  color: #fff;
  opacity: 1;
}
.btn-primary:active,
#btn-select-file:active,
.export-menu-btn:active {
  background: var(--blue-active);
  transform: scale(0.98);
}

/* ── Tabs: underline indicator (Linear / Vercel style), not a segmented pill ── */
.tabs {
  background: transparent;
  border-radius: 0;
  padding: 0;
  gap: 2px;
  box-shadow: none;
}
.tab {
  padding: 7px 12px;
  border-radius: 0;
  border-bottom: 2px solid transparent;
  color: var(--label-2);
  font-weight: 500;
  transition: color var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease);
}
.tab:hover { background: transparent; color: var(--label); }
.tab.active {
  background: transparent;
  color: var(--blue);
  font-weight: 600;
  border-bottom-color: var(--blue);
  box-shadow: none;
}
.tab-more-btn {
  padding: 7px 12px;
  border-radius: var(--r-sm);
}
.tab-more-btn.active {
  background: var(--fill-3); color: var(--label);
  box-shadow: none;
}
/* Dropdown menus + popovers: solid surface, hairline, flat shadow */
.tab-more-menu, .export-popover, .ws-dropdown, .user-menu {
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
}

/* ── Text fields: white surface + hairline border + tight focus ring ── */
.key-group input[type="text"],
.key-group input[type="password"],
.key-group select,
#ocr-text,
.em-add-form input, .em-add-form select,
.em-dict-add-row input,
.tmgr-meta-row input, .tmgr-meta-row textarea,
.cmp-doc-controls select, .cmp-engine-controls select,
#sel-ocr-override, #sel-chunk, #sel-db-driver {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  transition: border-color var(--dur-fast) var(--ease),
              box-shadow var(--dur-fast) var(--ease);
}
.key-group input:focus,
.key-group select:focus,
#ocr-text:focus,
.em-add-form input:focus, .em-add-form select:focus,
.em-dict-add-row input:focus,
.tmgr-meta-row input:focus, .tmgr-meta-row textarea:focus,
#sel-ocr-override:focus, #sel-chunk:focus, #sel-db-driver:focus {
  outline: none;
  background: var(--bg-elevated);
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(0,122,255,0.14);
}

/* Remaining toolbar selects / search inputs — same white + hairline surface */
.tmpl-toolbar select, .tbl-toolbar select, .ins-model-row select,
.route-engine, .cmp-col-header select, .ocr-find-bar input,
.upload-ocr-override select, .settings-section select {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
}

/* Checkboxes / radios pick up the accent crisply */
input[type="checkbox"], input[type="radio"] { accent-color: var(--blue); }

/* Cards (engine / job / chunk) — hairline border, flat (no shadow lift) */
.engine-card, .chunk-card {
  border-radius: var(--r-md);
  transition: background var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease);
}
.engine-card:hover { box-shadow: none; border-color: var(--border-strong); }
.engine-card.active {
  box-shadow: none;
  border-color: var(--blue);
  background: rgba(0,122,255,0.06);
}

/* ════════════════════════════════════════════════════════════
   WORKFLOW GUIDE — "what to do next" bar
   ════════════════════════════════════════════════════════════ */
.wf-guide {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; flex-wrap: wrap;
  padding: 9px 16px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--sep);
  flex-shrink: 0;
}

/* Stepper */
.wf-steps { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.wf-step {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 500; color: var(--label-3);
  transition: color var(--dur-normal) var(--ease);
}
.wf-step i {
  display: inline-flex; align-items: center; justify-content: center;
  width: 18px; height: 18px; border-radius: 50%;
  font-size: 11px; font-weight: 700; font-style: normal;
  background: var(--fill-2); color: var(--label-3);
  transition: background var(--dur-normal) var(--ease), color var(--dur-normal) var(--ease), box-shadow var(--dur-normal) var(--ease);
}
.wf-step.done   { color: var(--label-2); }
.wf-step.done i { background: var(--green); color: #fff; }
.wf-step.done i::after { content: '✓'; }
.wf-step.done i { font-size: 0; }
.wf-step.done i::after { font-size: 11px; }
.wf-step.active   { color: var(--blue); font-weight: 700; }
.wf-step.active i {
  background: var(--blue); color: #fff;
  box-shadow: 0 0 0 3px rgba(0,122,255,0.18);
}
.wf-sep { color: var(--label-4); font-size: 13px; }

/* Action side */
.wf-action { display: flex; align-items: center; gap: 10px; min-width: 0; margin-left: auto; }
.wf-msg {
  font-size: 12.5px; color: var(--label-2);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 46vw;
}
/* Visual processing bar (replaces the "กำลังประมวลผล xx%" text) */
.wf-progress {
  display: flex; align-items: center; gap: 9px;
  flex: 1 1 auto; min-width: 140px; max-width: 46vw;
}
.wf-progress.hidden { display: none; }
.wf-progress-track {
  flex: 1 1 auto; height: 6px; border-radius: 3px;
  background: var(--fill-2); overflow: hidden;
}
.wf-progress-fill {
  height: 100%; width: 0%; border-radius: 3px;
  background: var(--blue);
  transition: width var(--dur-normal) var(--ease);
  position: relative; overflow: hidden;
}
.wf-progress-fill::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.45) 50%, transparent 100%);
  transform: translateX(-100%);
  animation: wf-progress-shimmer 1.4s var(--ease) infinite;
}
.wf-progress-pct {
  flex-shrink: 0; font-size: 12px; font-weight: 700;
  color: var(--blue); font-variant-numeric: tabular-nums; min-width: 34px; text-align: right;
}
@keyframes wf-progress-shimmer {
  100% { transform: translateX(100%); }
}
@media (prefers-reduced-motion: reduce) {
  .wf-progress-fill::after { animation: none; }
}

.wf-cta {
  flex-shrink: 0;
  background: var(--blue);
  color: #fff; font-size: 12.5px; font-weight: 600;
  padding: 7px 15px; border-radius: var(--r-md); border: none; cursor: pointer;
  box-shadow: 0 1px 2px rgba(0,0,0,0.06);
  transition: background var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease-spring);
}
.wf-cta:hover  { background: var(--blue-hover); }
.wf-cta:active { background: var(--blue-active); transform: scale(0.98); }
.wf-cta.hidden { display: none; }

@media (max-width: 820px) {
  .wf-step span:not(.wf-sep) { display: none; }  /* keep just the numbers */
  .wf-msg { display: none; }                      /* CTA alone is enough on phones */
  .wf-guide { padding: 8px 12px; }
}

/* ════════════════════════════════════════
   CREDITS (premium engine gating)
   ════════════════════════════════════════ */
.credit-chip {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 13px; font-weight: 600; white-space: nowrap;
  padding: 4px 10px; border-radius: var(--r-sm);
  background: rgba(255,149,0,0.12); color: #9a5a00;
}
.um-credits { color: var(--label-2); margin-top: 2px; }

/* Account tier chip (header) — square badge, Modern SaaS */
.tier-chip {
  display: none; align-items: center; gap: 4px;
  font-size: 12px; font-weight: 700; letter-spacing: 0.02em; white-space: nowrap;
  padding: 4px 9px; border-radius: var(--r-badge, 5px);
  border: 1px solid transparent;
}
.tier-chip.show { display: inline-flex; }
.tier-chip.tier-paid { background: rgba(0,122,255,0.12); color: var(--blue, #007aff); border-color: rgba(0,122,255,0.24); }
.tier-chip.tier-free { background: rgba(0,0,0,0.05); color: var(--label-2); border-color: rgba(0,0,0,0.13); }

/* Premium engine cards locked when the user has no credits */
.engine-card.locked { opacity: 0.55; filter: grayscale(0.5); cursor: not-allowed; }
.engine-card.locked::after {
  content: "🔒 เครดิต"; position: absolute; top: 6px; right: 8px;
  font-size: 10px; font-weight: 600; color: var(--label-2);
}

/* ─── RAG Chat ─── */
/* The chat panel pins its input bar; only the message list scrolls. The id rules
   override .tab-content's flex/overflow, and #tab-chat.hidden keeps hiding working. */
#tab-chat { display: flex; flex-direction: column; overflow: hidden; }
#tab-chat.hidden { display: none; }
.chat-wrap { display: flex; flex-direction: column; flex: 1; min-height: 0; }
.chat-scope { display: none; font-size: 12px; color: var(--label-2); padding-bottom: 10px; margin-bottom: 4px; border-bottom: 1px solid var(--sep); }
.chat-scope.show { display: block; }
.chat-scope b { color: var(--label); font-weight: 600; }
.chat-messages { flex: 1; overflow-y: auto; min-height: 0; display: flex; flex-direction: column; gap: 14px; padding: 4px 2px 12px; }
.chat-empty { margin: auto; text-align: center; color: var(--label-2); max-width: 440px; padding: 28px 16px; }
.chat-empty-ico { font-size: 32px; margin-bottom: 10px; }
.chat-empty p { font-size: 13.5px; line-height: 1.55; }
.chat-suggest { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 16px; }
.chat-chip { font-size: 12.5px; padding: 7px 12px; border: 1px solid var(--border); border-radius: var(--r-md); background: var(--bg-elevated); color: var(--label); cursor: pointer; transition: background .12s, border-color .12s; }
.chat-chip:hover { background: var(--fill-3); border-color: var(--border-strong); }
.chat-msg { display: flex; max-width: 88%; }
.chat-msg.user { align-self: flex-end; }
.chat-msg.assistant { align-self: flex-start; }
.chat-msg .bubble { padding: 10px 13px; border-radius: var(--r-lg); font-size: 14px; line-height: 1.55; white-space: pre-wrap; word-break: break-word; }
.chat-msg.user .bubble { background: var(--blue); color: #fff; }
.chat-msg.assistant .bubble { background: var(--fill-3); color: var(--label); border: 1px solid var(--border); }
.chat-srcbadge { display: inline-block; font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: var(--r-badge, 5px); margin-bottom: 8px; }
.chat-srcbadge.docs { background: rgba(0,122,255,0.12); color: var(--blue, #007aff); }
.chat-srcbadge.general { background: rgba(255,149,0,0.14); color: #b8690a; }
.chat-cite { display: inline-flex; align-items: center; justify-content: center; min-width: 16px; height: 16px; padding: 0 4px; margin: 0 1px; font-size: 10.5px; font-weight: 700; border-radius: 4px; background: rgba(0,122,255,0.16); color: var(--blue); cursor: pointer; line-height: 1; }
.chat-sources { margin-top: 9px; display: flex; flex-direction: column; gap: 6px; }
.chat-src { font-size: 12px; color: var(--label-2); border-left: 2px solid var(--border-strong); padding: 2px 0 2px 9px; cursor: pointer; }
.chat-src:hover { border-left-color: var(--blue); }
.chat-src .src-n { color: var(--blue); font-weight: 700; }
.chat-src .src-meta { color: var(--label-3); }
.chat-typing { align-self: flex-start; font-size: 13px; color: var(--label-3); padding: 2px 2px; }
.chat-typing span { display: inline-block; animation: chat-blink 1.2s infinite; }
.chat-typing span:nth-child(2) { animation-delay: .2s; } .chat-typing span:nth-child(3) { animation-delay: .4s; }
@keyframes chat-blink { 0%,60%,100% { opacity: .25; } 30% { opacity: 1; } }
.chat-err { align-self: stretch; font-size: 13px; color: var(--red, #d70015); background: rgba(255,59,48,0.08); border: 1px solid rgba(255,59,48,0.25); border-radius: var(--r-md); padding: 9px 12px; }
.chat-input-bar { display: flex; gap: 8px; align-items: flex-end; border-top: 1px solid var(--sep); padding-top: 12px; }
.chat-input-bar textarea { flex: 1; resize: none; max-height: 130px; padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--r-md); background: var(--bg-elevated); color: var(--label); font-family: inherit; font-size: 14px; line-height: 1.4; outline: none; transition: border-color .12s, box-shadow .12s; }
.chat-input-bar textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(0,122,255,0.14); }
.btn-chat-send { flex: 0 0 auto; width: 40px; height: 40px; border: none; border-radius: var(--r-md); background: var(--blue); color: #fff; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: background .12s; }
.btn-chat-send:hover { background: var(--blue-hover, #0a6ae6); }
.btn-chat-send:disabled { opacity: .5; cursor: not-allowed; }

/* ─── Billing / credit top-up (Stripe Checkout) ─────────── */
.billing-status {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 14px; background: var(--bg-secondary);
  border: 1px solid var(--sep); border-radius: var(--r-md);
}
.billing-status > div { display: flex; flex-direction: column; gap: 4px; }
.billing-status > div:last-child { align-items: flex-end; }
.billing-status-label { font-size: 11px; color: var(--label-2); text-transform: uppercase; letter-spacing: .4px; }
.billing-credits { font-size: 20px; font-weight: 700; font-variant-numeric: tabular-nums; color: var(--label); }
#bill-tier.badge { display: inline-flex; align-items: center; padding: 3px 9px; font-size: 12px; font-weight: 600; border-radius: var(--r-badge); border: 1px solid transparent; width: fit-content; }
#bill-tier.tier-paid { background: rgba(0,122,255,0.12); color: var(--blue); border-color: rgba(0,122,255,0.24); }
#bill-tier.tier-free { background: rgba(0,0,0,0.05); color: var(--label-2); border-color: rgba(0,0,0,0.13); }

.billing-note { padding: 10px 12px; background: rgba(255,149,0,0.10); border: 1px solid rgba(255,149,0,0.30); border-radius: var(--r-md); font-size: 13px; color: var(--label); }

.billing-pkgs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 8px; }
.billing-pkg {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 14px 10px; background: var(--bg-tertiary);
  border: 1px solid var(--border); border-radius: var(--r-lg);
  cursor: pointer; transition: border-color .12s, background .12s, transform .06s;
  text-align: center; font-family: inherit;
}
.billing-pkg:hover { border-color: var(--blue); background: rgba(0,122,255,0.04); }
.billing-pkg:active { transform: translateY(1px); }
.billing-pkg:disabled { opacity: .5; cursor: default; }
.billing-pkg-name { font-size: 12px; font-weight: 600; color: var(--label-2); text-transform: uppercase; letter-spacing: .4px; }
.billing-pkg-credits { font-size: 22px; font-weight: 700; color: var(--label); font-variant-numeric: tabular-nums; }
.billing-pkg-credits small { font-size: 11px; font-weight: 500; color: var(--label-2); }
.billing-pkg-bonus { font-size: 11px; font-weight: 600; color: var(--green-text); background: rgba(48,209,88,0.14); padding: 1px 7px; border-radius: var(--r-badge); }
.billing-pkg-price { margin-top: 4px; font-size: 15px; font-weight: 700; color: var(--blue); font-variant-numeric: tabular-nums; }

.billing-err { padding: 9px 12px; background: rgba(255,59,48,0.10); border: 1px solid rgba(255,59,48,0.28); border-radius: var(--r-md); font-size: 13px; color: var(--red); }

.billing-history { display: flex; flex-direction: column; gap: 2px; }
.billing-tx { display: grid; grid-template-columns: 1fr auto auto; gap: 10px; padding: 7px 4px; font-size: 12px; border-bottom: 1px solid var(--sep); color: var(--label-2); font-variant-numeric: tabular-nums; }
.billing-tx:last-child { border-bottom: none; }
.billing-tx-cr { color: var(--green-text); font-weight: 600; }

@media (max-width: 560px) {
  .billing-pkgs { grid-template-columns: 1fr; }
}