:root {
    --bg:#1a2636; --surface:#213040; --surface2:#253848;
    --border:#2e4560; --muted:#6a8298; --accent:#7eb8f7;
    --card:#1e2d40; --input:#192736;
  }
  * { box-sizing:border-box; margin:0; padding:0; }
  body {
    font-family:-apple-system,'Segoe UI',sans-serif;
    background:var(--bg); color:#d8e8f4;
    height:100vh; display:flex; flex-direction:column; overflow:hidden;
  }

  /* ── Top bar ─────────────────────────────────────────────── */
  .top-bar {
    display:flex; align-items:center; gap:12px; padding:10px 16px;
    background:var(--surface); border-bottom:1px solid var(--border); flex-shrink:0;
  }
  .back-btn { color:var(--muted); text-decoration:none; font-size:.8rem; transition:color .15s; white-space:nowrap; }
  .back-btn:hover { color:var(--accent); }
  .top-bar h1 { font-size:.95rem; color:var(--accent); letter-spacing:.04em; flex:1; }
  .folder-btn {
    display:flex; align-items:center; gap:6px; padding:5px 12px;
    border-radius:8px; font-size:.76rem; cursor:pointer;
    background:var(--card); border:1px solid var(--border);
    color:var(--muted); transition:border-color .15s, color .15s; white-space:nowrap;
  }
  .folder-btn:hover { border-color:var(--accent); color:var(--accent); }
  .folder-btn.connected { border-color:#34d399; color:#34d399; }

  /* ── Layout ──────────────────────────────────────────────── */
  .editor-layout { display:flex; flex:1; overflow:hidden; }

  /* ── Language sidebar ────────────────────────────────────── */
  .lang-sidebar {
    width:195px; flex-shrink:0; background:var(--card);
    border-right:1px solid var(--border);
    display:flex; flex-direction:column; overflow:hidden;
  }
  .lang-sidebar-head { padding:10px 10px 8px; border-bottom:1px solid var(--border); flex-shrink:0; }
  .new-lang-btn {
    width:100%; padding:6px 8px; border-radius:7px;
    background:var(--surface); border:1px dashed var(--border);
    color:var(--muted); font-size:.75rem; cursor:pointer;
    transition:border-color .15s, color .15s;
  }
  .new-lang-btn:hover { border-color:var(--accent); color:var(--accent); }
  .lang-list { overflow-y:auto; flex:1; padding:6px; }
  .lang-item {
    display:flex; align-items:center; gap:8px; padding:8px 9px;
    border-radius:8px; cursor:pointer; font-size:.81rem;
    transition:background .12s; user-select:none; margin-bottom:2px;
  }
  .lang-item:hover { background:var(--surface); }
  .lang-item.active { background:var(--surface2); }
  .lang-dot { width:9px; height:9px; border-radius:50%; flex-shrink:0; }
  .lang-item-name { flex:1; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
  .lang-item-key { font-size:.62rem; color:var(--muted); flex-shrink:0; }

  /* ── Main panel ──────────────────────────────────────────── */
  .main-panel { flex:1; overflow-y:auto; }
  .placeholder { height:100%; display:flex; align-items:center; justify-content:center; color:var(--muted); font-size:.85rem; }

  /* ── Forms ───────────────────────────────────────────────── */
  .lang-form { padding:12px 18px; border-bottom:1px solid var(--border); }
  .form-row { display:flex; gap:10px; flex-wrap:wrap; align-items:flex-end; }
  .field { display:flex; flex-direction:column; gap:4px; }
  .field label { font-size:.62rem; font-weight:700; text-transform:uppercase; letter-spacing:.07em; color:var(--muted); }
  input[type=text], input[type=url], input[type=number] {
    background:var(--input); border:1px solid var(--border); border-radius:6px;
    color:#d8e8f4; padding:6px 10px; font-size:.82rem; outline:none;
    transition:border-color .15s;
  }
  input:focus { border-color:var(--accent); }
  input[type=color] { width:44px; height:32px; border-radius:6px; border:1px solid var(--border); background:var(--input); cursor:pointer; padding:2px; }
  input[type=checkbox] { width:14px; height:14px; accent-color:var(--accent); cursor:pointer; }
  .lang-form-actions { margin-top:10px; display:flex; gap:8px; align-items:center; }
  .unsaved-note { font-size:.68rem; color:#fbbf24; }

  /* ── Buttons ─────────────────────────────────────────────── */
  .btn { padding:6px 14px; border-radius:7px; font-size:.78rem; cursor:pointer; border:1px solid; font-weight:600; transition:background .15s,color .15s,opacity .15s; }
  .btn:disabled { opacity:.4; cursor:default; }
  .btn-primary { background:var(--accent); color:#0d1824; border-color:var(--accent); }
  .btn-primary:not(:disabled):hover { background:#9dcbfa; }
  .btn-secondary { background:transparent; color:var(--muted); border-color:var(--border); }
  .btn-secondary:hover { color:var(--accent); border-color:var(--accent); }
  .btn-sm { padding:4px 10px; font-size:.72rem; }

  /* ── Chart section ───────────────────────────────────────── */
  .chart-section { padding:12px 18px 0; max-width:680px; }
  .chart-wrap { background:#192535; border:1px solid var(--border); border-radius:0 8px 8px 8px; max-height:320px; overflow:hidden; }
  .chart-svg { display:block; width:100%; height:auto; overflow:visible; max-height:320px; }
  .chart-tab {
    padding:5px 14px; border-radius:6px 6px 0 0; font-size:.74rem; font-weight:700;
    cursor:pointer; background:var(--card); color:var(--muted);
    border:1px solid var(--border); border-bottom:none;
    transition:background .15s, color .15s;
  }
  .chart-tab.active { background:var(--surface2); color:var(--accent); }
  .chart-tab-panel { display:none; }
  .chart-tab-panel.active { display:block; }
  .chart-hint { font-size:.62rem; color:var(--muted); text-align:center; margin-top:4px; margin-bottom:4px; }

  /* ── Inline vowel editor ─────────────────────────────────── */
  .ve-inline { padding:12px 18px; border-top:1px solid var(--border); border-bottom:1px solid var(--border); background:var(--surface2); }
  .ve-inline-header { display:flex; align-items:center; gap:8px; margin-bottom:10px; }
  .ve-inline-title { font-size:.85rem; font-weight:700; color:var(--accent); flex:1; }

  /* ── IPA picker ──────────────────────────────────────────── */
  .ipa-section { display:flex; gap:12px; align-items:flex-start; margin-bottom:10px; }
  .ipa-left { display:flex; flex-direction:column; gap:8px; align-items:center; flex-shrink:0; }
  .ipa-preview { font-family:Georgia,serif; font-size:3rem; line-height:1; background:var(--card); border:1px solid var(--border); border-radius:10px; padding:8px 14px; text-align:center; min-width:80px; color:var(--accent); }
  .ipa-field-wrap { display:flex; flex-direction:column; gap:3px; }
  .ipa-field-wrap label { font-size:.6rem; font-weight:700; text-transform:uppercase; letter-spacing:.07em; color:var(--muted); }
  .ipa-text { font-family:Georgia,serif; font-size:1.2rem; background:var(--input); border:1px solid var(--border); border-radius:6px; color:#d8e8f4; padding:5px 10px; width:80px; outline:none; text-align:center; transition:border-color .15s; }
  .ipa-text:focus { border-color:var(--accent); }
  .ipa-picker-box { flex:1; background:var(--card); border:1px solid var(--border); border-radius:10px; padding:8px 10px; }
  .ipa-picker-title { font-size:.59rem; text-transform:uppercase; letter-spacing:.07em; color:var(--muted); margin-bottom:6px; }
  .ipa-grid { display:flex; flex-direction:column; gap:2px; }
  .ipa-row { display:flex; align-items:center; gap:2px; }
  .ipa-row-lbl { font-size:.52rem; color:#3a5878; width:48px; flex-shrink:0; line-height:1; }
  .ipa-ch { font-family:Georgia,serif; font-size:.95rem; width:26px; height:26px; display:flex; align-items:center; justify-content:center; border-radius:5px; cursor:pointer; border:1px solid transparent; transition:background .1s,border-color .1s; color:#8ab8d0; flex-shrink:0; }
  .ipa-ch:hover { background:var(--surface2); border-color:var(--border); color:#d8e8f4; }
  .ipa-sep { width:1px; height:18px; background:var(--border); margin:0 3px; flex-shrink:0; }
  .ipa-mods-row { display:flex; gap:3px; flex-wrap:wrap; margin-top:5px; border-top:1px solid var(--border); padding-top:5px; }
  .ipa-mod { font-family:Georgia,serif; font-size:.78rem; padding:2px 6px; border:1px solid var(--border); border-radius:4px; cursor:pointer; color:var(--muted); background:none; transition:color .1s,border-color .1s; display:flex; flex-direction:column; align-items:center; gap:1px; }
  .ipa-mod:hover { color:var(--accent); border-color:var(--accent); }
  .ipa-mod small { font-family:system-ui; font-size:.45rem; color:var(--muted); }

  /* ── Vowel meta fields ───────────────────────────────────── */
  .ve-meta { display:flex; gap:10px; flex-wrap:wrap; align-items:flex-start; margin-bottom:8px; }
  .ve-meta .field { flex:1; min-width:160px; }
  .field input[type=url] { width:100%; }
  .field input[type=text].wide { width:100%; }
  .rounded-row { display:flex; align-items:center; gap:8px; font-size:.82rem; padding-top:6px; }

  /* Position/formant direct inputs */
  .ve-coords { display:flex; gap:10px; flex-wrap:wrap; margin-bottom:8px; }
  .ve-coords .field { min-width:130px; }
  .ve-coords input { width:100%; }

  /* ── Words list ──────────────────────────────────────────── */
  .words-list { display:flex; flex-direction:column; gap:5px; }
  .word-row { display:flex; gap:6px; align-items:center; }
  .word-row .word-text { width:180px; flex-shrink:0; font-family:Georgia,serif; }
  .word-row .word-audio { flex:1; font-size:.75rem; }
  .word-del { width:26px; height:26px; flex-shrink:0; border-radius:5px; border:1px solid var(--border); background:none; color:var(--muted); cursor:pointer; font-size:.9rem; display:flex; align-items:center; justify-content:center; transition:color .12s,border-color .12s; }
  .word-del:hover { color:#f87171; border-color:#f87171; }
  .add-word-btn { display:flex; align-items:center; gap:5px; align-self:flex-start; background:none; border:1px dashed var(--border); color:var(--muted); border-radius:6px; padding:4px 10px; font-size:.73rem; cursor:pointer; transition:border-color .15s,color .15s; }
  .add-word-btn:hover { border-color:var(--accent); color:var(--accent); }
  .divider-label { font-size:.62rem; text-transform:uppercase; letter-spacing:.08em; color:var(--muted); margin-bottom:6px; }

  /* ── Vowel cards ─────────────────────────────────────────── */
  .vowel-section { padding:12px 18px; }
  .section-head { display:flex; align-items:center; justify-content:space-between; margin-bottom:8px; }
  .section-title { font-size:.68rem; font-weight:700; text-transform:uppercase; letter-spacing:.08em; color:var(--muted); }
  .vowel-cards { display:flex; flex-wrap:wrap; gap:8px; }
  .vowel-card { background:var(--card); border:1.5px solid var(--border); border-radius:8px; padding:6px 10px; width:175px; display:flex; flex-direction:column; gap:2px; transition:border-color .12s; cursor:pointer; }
  .vowel-card:hover { border-color:#4a7098; }
  .vowel-card.active { border-color:var(--accent); }
  .vc-ipa { font-family:Georgia,serif; font-size:1.2rem; line-height:1; }
  .vc-desc { font-size:.57rem; color:var(--muted); line-height:1.3; }
  .vc-round { font-size:.57rem; }
  .vc-formants { font-size:.57rem; color:#4a6888; font-family:monospace; }
  .vc-formants span { color:#6a90b0; }
  .vc-words-label { font-size:.52rem; text-transform:uppercase; letter-spacing:.06em; color:#3a5878; margin-top:3px; }
  .vc-words { display:flex; flex-wrap:wrap; gap:3px; margin-top:2px; }
  .vc-word { font-size:.72rem; padding:1px 5px; border-radius:5px; border:1px solid transparent; background:transparent; color:#c8d8e8; cursor:pointer; line-height:1.4; transition:background .1s,border-color .1s; }
  .vc-word.has-audio { border-color:#2a4060; }
  .vc-word.has-audio:hover { background:#1a3050; }
  .vc-word.no-audio { color:#5a7898; cursor:default; }
  .vc-word b { text-decoration:underline; font-weight:normal; }
  .pi { font-size:.55rem; opacity:.7; margin-right:2px; }
  .vc-actions { display:flex; gap:4px; margin-top:5px; padding-top:5px; border-top:1px solid #1e3048; }
  .vc-btn { font-size:.62rem; padding:2px 7px; border-radius:4px; border:1px solid var(--border); background:none; color:var(--muted); cursor:pointer; transition:color .12s,border-color .12s; }
  .vc-btn:hover { color:#d8e8f4; border-color:#4a7098; }
  .vc-btn.del:hover { color:#f87171; border-color:#f87171; }

  /* ── Toast + tip ─────────────────────────────────────────── */
  .toast { position:fixed; bottom:20px; left:50%; transform:translateX(-50%); background:#1a3050; border:1px solid #2a5080; color:#d8e8f4; padding:8px 18px; border-radius:20px; font-size:.78rem; opacity:0; transition:opacity .3s; pointer-events:none; z-index:9999; white-space:nowrap; }
  .toast.show { opacity:1; }

  /* ── Styled scrollbars ───────────────────────────────────── */
  * { scrollbar-width:thin; scrollbar-color:#2e4a68 transparent; }
  *::-webkit-scrollbar { width:6px; height:6px; }
  *::-webkit-scrollbar-track { background:transparent; }
  *::-webkit-scrollbar-thumb { background:#2a4560; border-radius:10px; border:1px solid transparent; background-clip:padding-box; }
  *::-webkit-scrollbar-thumb:hover { background:#3a6080; }
  *::-webkit-scrollbar-corner { background:transparent; }
/* ── New two-column editor layout ─────────────────────────── */
.lang-tab-bar {
  display:flex; align-items:center; gap:6px; padding:6px 12px;
  border-bottom:1px solid var(--border); flex-shrink:0;
  background:var(--surface); overflow-x:auto;
}
.lang-tab {
  padding:4px 12px; border-radius:6px; border:1px solid var(--border);
  background:none; color:var(--muted); font-size:.76rem; cursor:pointer;
  white-space:nowrap; transition:all .12s;
}
.lang-tab:hover { border-color:#4a7098; color:#d8e8f4; }
.lang-tab.active { border-color:var(--accent); color:var(--accent); background:#1a3050; }
.lang-tab-sep { width:1px; height:18px; background:var(--border); flex-shrink:0; }
.lang-tab-bar .btn { font-size:.72rem; padding:4px 10px; flex-shrink:0; }
.lang-tab-bar .unsaved-note { font-size:.68rem; flex-shrink:0; }

.editor-body { display:flex; flex:1; overflow:hidden; }
.chart-pane  { flex:1; display:flex; flex-direction:column; overflow:hidden; padding:0; }
.chart-pane .view-tabs { padding:8px 12px 0; display:flex; gap:6px; }
.chart-pane .chart-panels { flex:1; position:relative; padding:0 12px 4px; overflow:hidden; }
.chart-pane .chart-panels .chart-panel { height:100%; }
.chart-pane .chart-panels .chart-wrap  { height:100%; }
.chart-pane .chart-panels .chart-svg   { height:100%; }
.chart-pane .chart-hint { padding:2px 12px 6px; font-size:.62rem; color:var(--muted); }

.vowel-pane {
  width:270px; flex-shrink:0; border-left:1px solid var(--border);
  display:flex; flex-direction:column; overflow:hidden; background:var(--card);
}
.vowel-pane-body { flex:1; overflow-y:auto; display:flex; flex-direction:column; }
.lang-meta-form { padding:8px 12px; border-bottom:1px solid var(--border); }
.lang-meta-form .form-row { flex-wrap:nowrap; gap:6px; }
.lang-meta-form .field label { font-size:.56rem; }
.lang-meta-form input[type=text] { font-size:.74rem; padding:4px 7px; }

/* ── Layout ───────────────────────────────────────────────────── */
body { display:flex; flex-direction:column; min-height:100vh; }
.editor-body { display:flex; flex:1; overflow:hidden; }
.main-col { flex:1; display:flex; flex-direction:column; overflow-y:auto; min-width:0; }
.chart-section { flex-shrink:0; }
/* Chart fills container width, maintains 5:3 aspect ratio */
.chart-panel { display:none; }
.chart-panel.active { display:block; }
.chart-svg { display:block; width:100%; aspect-ratio:5/3; }
/* Editor pane (right sidebar) */
.editor-pane {
  width:270px; flex-shrink:0; border-left:1px solid var(--border);
  display:flex; flex-direction:column; overflow-y:auto; background:var(--card);
}
.editor-pane-hint { font-size:.72rem; color:var(--muted); padding:16px 12px; }

/* ── Compact vowel editor for 270px pane ─────────────────────── */
.ve-inline { padding:8px; }
.ve-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:8px; }
.ve-header h3 { font-size:.8rem; margin:0; }
.ve-section-title { font-size:.6rem; font-weight:700; text-transform:uppercase; letter-spacing:.07em; color:var(--muted); margin:8px 0 4px; }
.ve-row { display:flex; gap:6px; }
.ve-row .field { flex:1; min-width:0; }
.ve-row .field input, .ve-row .field select { width:100%; }
.ve-coords { display:flex; flex-wrap:wrap; gap:5px; }
.ve-coords .field { flex:1; min-width:80px; }
.ve-coords .field input { width:100%; }
.ve-coords button { flex:1 1 100%; font-size:.68rem; padding:3px 8px; }
.ve-meta .field { margin-bottom:5px; }
.ve-meta .field input { width:100%; font-size:.72rem; }
.ve-meta .field label { font-size:.58rem; }
/* IPA picker — compact grid */
.ipa-picker-grid { display:flex; flex-wrap:wrap; gap:2px; margin:4px 0; }
.ipa-picker-grid button { width:28px; height:26px; font-size:.85rem; padding:0; font-family:Georgia,serif; }
.ipa-mods-row { display:flex; flex-wrap:wrap; gap:2px; margin-bottom:4px; }
.ipa-mods-row button { padding:2px 5px; font-size:.72rem; }
/* Word rows: text | audio-url | delete — all on one line */
.word-rows { display:flex; flex-direction:column; gap:4px; margin:4px 0; }
.word-row { display:grid; grid-template-columns:1fr 1.5fr auto; gap:4px; align-items:center; }
.word-row input { font-size:.72rem; min-width:0; width:100%; }
.word-row-url { grid-column:1/-1; }

/* ── Resize handle between main-col and editor-pane ──── */
.resize-handle {
  width:5px; flex-shrink:0; background:var(--border);
  cursor:col-resize; transition:background .12s;
}
.resize-handle:hover, .resize-handle.dragging { background:var(--accent); }
/* ── Override old chart size constraints ───────────────────── */
/* Old rules had max-width:680px on .chart-section and max-height:320px
   on .chart-wrap / .chart-svg. Use higher-specificity selectors to win. */
.main-col .chart-section { max-width:none !important; padding:0 12px 4px; }
.main-col .chart-wrap { max-height:none !important; overflow:visible !important; }
.main-col .chart-svg { max-height:none !important; height:auto !important; width:100%; aspect-ratio:5/3; }

/* ── Delete button right-aligned in vowel card ─────────────── */
.vc-actions .del { margin-left:auto; }

/* ── Editor pane: prevent horizontal overflow when resized wide ── */
.editor-pane { overflow-x:hidden; }
.ve-inline { overflow-x:hidden; min-width:0; }
.ve-inline .ipa-section { flex-wrap:wrap; }
.ve-inline .ipa-picker-box { min-width:0; }
.ve-inline .ve-coords { flex-wrap:wrap; }
.ve-inline .ve-meta { flex-wrap:wrap; }

/* ── Vowel card: absolute delete button, no footer ──────────── */
.vowel-card { position:relative; }
.vc-del-btn {
  position:absolute; top:4px; right:4px;
  width:18px; height:18px; padding:0;
  border-radius:4px; border:1px solid var(--border);
  background:none; color:var(--muted); cursor:pointer;
  font-size:.65rem; line-height:1;
  display:flex; align-items:center; justify-content:center;
  transition:color .12s, border-color .12s, background .12s;
  z-index:1;
}
.vc-del-btn:hover { color:#f87171; border-color:#f87171; background:#2a1a1a; }
/* Remove old footer (no longer rendered, but guard against leakage) */
.vc-actions { display:none; }

/* ── Word row: order buttons ────────────────────────────────── */
.word-row { grid-template-columns:auto 1fr 1.5fr auto; }
.word-order-btns { display:flex; flex-direction:column; gap:1px; flex-shrink:0; }
.word-order-btn {
  width:18px; height:14px; padding:0; line-height:1;
  border-radius:3px; border:1px solid var(--border);
  background:none; color:var(--muted); cursor:pointer;
  font-size:.55rem; display:flex; align-items:center; justify-content:center;
  transition:color .1s, border-color .1s;
}
.word-order-btn:hover:not(:disabled) { color:var(--accent); border-color:var(--accent); }
.word-order-btn:disabled { opacity:.25; cursor:default; }

/* ── Cardinal toggle button (sits beside chart tabs) ────────── */
.cardinal-toggle {
  padding:4px 10px; border-radius:6px 6px 0 0;
  font-size:.68rem; cursor:pointer; border:1px solid var(--border);
  background:none; color:var(--muted); border-bottom:none;
  transition:all .12s; white-space:nowrap;
}
.cardinal-toggle.active { color:#4a6888; border-color:#2e4560; background:#192535; }
.cardinal-toggle:not(.active) { color:#3a5070; opacity:.6; }

/* ── Rounded checkbox: keep label on one line ───────────────── */
.rounded-row { flex-wrap:nowrap; }
.rounded-row span { white-space:nowrap; }

/* ── Drag-and-drop word rows ────────────────────────────────── */
/* Replace old order-button columns with drag-handle column */
.word-row { grid-template-columns:auto 1fr 1.5fr auto !important; }
.word-order-btns, .word-order-btn { display:none !important; } /* hide old buttons if any remain */
.word-drag-handle {
  cursor:grab; color:var(--muted); font-size:.9rem;
  padding:0 3px; user-select:none; display:flex; align-items:center;
  opacity:.5; transition:opacity .12s;
}
.word-drag-handle:hover { opacity:1; }
.word-drag-handle:active { cursor:grabbing; }
.word-row.dragging { opacity:.35; }
.word-row.drag-over { outline:2px solid var(--accent); border-radius:4px; }

/* ── Vowel card drag-to-reorder ─────────────────────────────── */
.vowel-card.dragging { opacity:.3; }
.vowel-card.drag-over { outline:2px solid var(--accent); border-radius:8px; }

/* ── Built-in language tabs ─────────────────────────────────── */
.lang-tab.builtin { opacity:.7; }
.lang-tab-lock { font-size:.6rem; margin-right:3px; opacity:.6; }

/* ── Language tab: drag-to-reorder + × removal ──────────────── */
.lang-tab-wrap {
  position:relative; display:inline-flex; align-items:center; flex-shrink:0;
}
.lang-tab-del {
  display:none; position:absolute; top:-5px; right:-5px;
  width:15px; height:15px; border-radius:50%; padding:0; line-height:1;
  background:#f87171; border:none; color:#fff; cursor:pointer;
  font-size:.7rem; align-items:center; justify-content:center; z-index:2;
  transition:background .12s;
}
.lang-tab-del:hover { background:#ef4444; }
.lang-tab-wrap:hover .lang-tab-del { display:flex; }
.lang-tab-wrap.dragging { opacity:.35; }
.lang-tab-wrap.drag-over .lang-tab { outline:2px solid var(--accent); border-radius:6px; }

/* ── Disabled language tab ──────────────────────────────────── */
.lang-tab.disabled { opacity:.4; text-decoration:line-through; font-style:italic; }
.lang-tab-enable {
  display:none; position:absolute; top:-5px; right:-5px;
  width:15px; height:15px; border-radius:50%; padding:0; line-height:1;
  background:#34d399; border:none; color:#0a1a10; cursor:pointer;
  font-size:.65rem; align-items:center; justify-content:center; z-index:2;
  transition:background .12s;
}
.lang-tab-enable:hover { background:#10b981; }
.tab-disabled:hover .lang-tab-enable { display:flex; }