/* ── Fonts (self-hosted, SIL OFL — licenses in /fonts) ── */

@font-face {
  font-family: 'iA Writer Quattro';
  src: url('fonts/iAWriterQuattroS-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'iA Writer Quattro';
  src: url('fonts/iAWriterQuattroS-Italic.woff2') format('woff2');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: 'iA Writer Quattro';
  src: url('fonts/iAWriterQuattroS-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'iA Writer Quattro';
  src: url('fonts/iAWriterQuattroS-BoldItalic.woff2') format('woff2');
  font-weight: 700;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: 'Courier Prime';
  src: url('fonts/CourierPrime-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Courier Prime';
  src: url('fonts/CourierPrime-Italic.woff2') format('woff2');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: 'Courier Prime';
  src: url('fonts/CourierPrime-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Courier Prime';
  src: url('fonts/CourierPrime-BoldItalic.woff2') format('woff2');
  font-weight: 700;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: 'Montserrat';
  src: url('fonts/Montserrat-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ── Design tokens: the notepad palette (see design_plan.md §2) ──
   Two materials: paper (what the writer owns) and the desk/binding
   (what the app owns). Every color in the app flows through here. */

:root {
  /* Paper */
  --paper: #f5e9d6;             /* cream pad surface */
  --rule: #d8c4a6;              /* soft tan ruled lines */
  --margin-line: #3a332a;       /* the down line: thin dark ink */
  --margin-red: #c0392b;        /* red ink accents (grips, focus, marks) */
  --margin-red-wash: rgba(192, 57, 43, 0.06);  /* active-page tint */
  --ink: #26221b;               /* warm near-black writing ink */
  --ink-faded: #6e654f;         /* pencil: marginalia, placeholders (4.8:1 on paper) */
  --ink-wash: rgba(38, 34, 27, 0.06);   /* hover/focus tint on paper */
  --ink-wash-strong: rgba(38, 34, 27, 0.12);
  --ink-border: rgba(38, 34, 27, 0.25); /* button borders on paper cards */
  --paper-card: #fbf9f2;        /* white memo card (rhymes panel, overlays) */

  --desk: #221b14;              /* surface the pad rests on */

  /* Editor metrics: integer pitch keeps ruling crisp and text on-line.
     Everything that renders or measures lyric lines MUST share these. */
  --editor-font-size: 24px;
  --line-pitch: 41px;
  --editor-pad: 20px;
  --ruling: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent calc(var(--line-pitch) - 1px),
    var(--rule) calc(var(--line-pitch) - 1px),
    var(--rule) var(--line-pitch)
  );

  --border-focus: #6e654f;

  /* States (red ink on paper) */
  --danger: #b3403a;
  --danger-hover: #8e2b20;
  --danger-border: rgba(179, 64, 58, 0.45);
  --danger-border-hover: #b3403a;
  --danger-bg: rgba(179, 64, 58, 0.08);

  /* Rhyme categories: saturated inks, legible on the white memo card */
  --rhyme-perfect: #1f7a43;
  --rhyme-family: #2c5f9e;
  --rhyme-additive: #8c6d1f;
  --rhyme-subtractive: #b4551d;
  --rhyme-assonance: #a83a68;
  --rhyme-consonance: #6b4fa1;

  /* Rhyme-scheme letter cycle (consumed by SCHEME_COLORS in app.js).
     Re-inked for the paper margin: saturated inks, not neons. */
  --scheme-0: #1c7040;
  --scheme-1: #2c5f9e;
  --scheme-2: #7a5f1a;
  --scheme-3: #9e4a19;
  --scheme-4: #a83a68;
  --scheme-5: #6b4fa1;
  --scheme-6: #14766e;
  --scheme-7: #b3403a;
  --scheme-8: #1d6e97;
  --scheme-9: #7e4b9e;

  /* Effects */
  --highlight-word: rgba(192, 57, 43, 0.18);  /* red-ink wash on paper */
  --selection: rgba(192, 57, 43, 0.25);
  --flash: rgba(192, 57, 43, 0.14);
  --scrim: rgba(20, 14, 8, 0.55);             /* dimmed desk */
  --scrim-light: rgba(20, 14, 8, 0.45);
  --shadow-popup: 0 8px 32px rgba(20, 14, 8, 0.35);
  --shadow-card: 0 2px 12px rgba(20, 14, 8, 0.35);
  --sheet-handle: rgba(38, 34, 27, 0.25);
  --scrollbar-thumb: rgba(38, 34, 27, 0.25);

  /* Type */
  --font-display: 'Montserrat', 'Futura', 'Trebuchet MS', 'Segoe UI', system-ui, sans-serif;
  --font-editor: 'iA Writer Quattro', -apple-system, 'SF Pro Text', 'Helvetica Neue', 'Segoe UI', system-ui, sans-serif;
  --font-marginalia: 'Courier Prime', 'Courier New', Courier, monospace;
  --font-ui: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:focus-visible {
  outline: 2px solid var(--margin-red);
  outline-offset: 2px;
}

body {
  font-family: var(--font-ui);
  background: var(--desk);
  color: var(--ink);
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding-bottom: env(safe-area-inset-bottom);
}

#app-content {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
}

/* The pad's printed header: ink on the same paper, like the
   letterpress title block on the reference notepad. */
header {
  padding: 14px 24px;
  background: var(--paper);
  border-bottom: 1px solid var(--margin-line);
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

header h1 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
}

#status {
  font-family: var(--font-marginalia);
  font-style: italic;
  font-size: 12px;
  color: var(--ink-faded);
}

/* Tool buttons: printed labels on the paper. */
.toggle-btn {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 6px 12px;
  background: transparent;
  border: 1px solid var(--ink-border);
  border-radius: 3px;
  color: var(--ink);
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.toggle-btn:hover {
  background: var(--ink-wash);
}

.danger-btn {
  border-color: var(--danger-border);
  color: var(--danger);
}

.danger-btn:hover {
  background: var(--danger-bg);
  border-color: var(--danger-border-hover);
  color: var(--danger-hover);
}

.toggle-btn.active {
  background: var(--margin-red-wash);
  border-color: var(--margin-red);
  color: var(--margin-red);
}

.main {
  display: flex;
  flex: 1;
  overflow: hidden;
  background: var(--desk);
}

/* One orchestrated moment: the page settles onto the desk. */
@keyframes page-settle {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.lyrics-panel,
.rhymes-panel {
  animation: page-settle 0.18s ease-out;
}

.lyrics-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--paper);
}

/* The desk gap between pad and memo card; red when gripped. */
.resize-handle {
  width: 10px;
  flex-shrink: 0;
  cursor: col-resize;
  background: var(--desk);
  transition: background 0.15s;
}

.resize-handle:hover,
.resize-handle.active {
  background: var(--margin-red);
}

.lyrics-area {
  flex: 1;
  display: flex;
  overflow: hidden;
  position: relative;
}

/* One ruling recipe for every surface that renders lyric lines; each
   scrolls it with its own content to stay in register. */
.syllable-gutter,
.rhyme-scheme-gutter,
#lyrics {
  background-image: var(--ruling);
  background-attachment: local;
  background-position-y: var(--editor-pad);
}

/* The annotation margin: always part of the paper, like a real pad.
   Syllable counts appear in it only when the toggle is on. */
.syllable-gutter {
  display: flex;
  flex-direction: column;
  padding: var(--editor-pad) 0;
  width: 56px;
  flex-shrink: 0;
  border-right: 1px solid var(--margin-line);
  overflow-y: hidden;
  user-select: none;
}

.syllable-gutter:not(.visible) .syl-line {
  visibility: hidden;
}

.syllable-gutter .syl-line {
  font-family: var(--font-marginalia);
  font-size: 15px;
  line-height: var(--line-pitch);
  text-align: center;
  color: var(--ink-faded);
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.syllable-gutter .syl-line.empty-line {
  color: transparent;
}

/* Rhyme-scheme letters: ink marks at the line ends. */
.rhyme-scheme-gutter {
  display: none;
  flex-direction: column;
  padding: var(--editor-pad) 0;
  width: 44px;
  flex-shrink: 0;
  overflow-y: hidden;
  user-select: none;
}

.rhyme-scheme-gutter.visible {
  display: flex;
}

.rhyme-scheme-gutter .scheme-line {
  font-family: var(--font-marginalia);
  font-size: 16px;
  line-height: var(--line-pitch);
  text-align: center;
  font-weight: 700;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.rhyme-scheme-gutter .scheme-line.empty-line {
  color: transparent;
}

/* The pad's top edge: title written on the paper itself. */
.panel-header {
  padding: 12px 20px 10px;
  font-size: 17px;
  font-weight: 400;
  color: var(--ink);
  border-bottom: 1px solid var(--rule);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

#lyrics-panel-title {
  cursor: text;
  border-radius: 3px;
  padding: 1px 4px;
  outline: none;
  min-width: 40px;
  font-family: var(--font-editor);
}

#lyrics-panel-title:hover {
  background: var(--ink-wash);
}

#lyrics-panel-title:focus {
  background: var(--ink-wash);
  box-shadow: 0 0 0 1px var(--rule);
}

.lyrics-wrapper {
  position: relative;
  flex: 1;
  min-width: 0;
}

#lyrics-highlight {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  padding: var(--editor-pad);
  font-family: var(--font-editor);
  font-size: var(--editor-font-size);
  line-height: var(--line-pitch);
  white-space: pre-wrap;
  word-wrap: break-word;
  color: transparent;
  pointer-events: none;
  overflow: hidden;
}

#line-measure {
  position: absolute;
  visibility: hidden;
  pointer-events: none;
  white-space: pre-wrap;
  word-wrap: break-word;
  font-family: var(--font-editor);
  font-size: var(--editor-font-size);
  line-height: var(--line-pitch);
  padding: 0 var(--editor-pad);
}

#lyrics-highlight .highlight-word {
  background: var(--highlight-word);
  border-radius: 4px;
}

#lyrics {
  position: relative;
  width: 100%;
  height: 100%;
  padding: var(--editor-pad);
  background-color: transparent;
  border: none;
  color: var(--ink);
  caret-color: var(--ink);
  font-family: var(--font-editor);
  font-size: var(--editor-font-size);
  line-height: var(--line-pitch);
  resize: none;
  outline: none;
}

#lyrics::-webkit-scrollbar {
  display: none;
}

#lyrics {
  scrollbar-width: none;
}

#lyrics::placeholder {
  color: var(--ink-faded);
}

#lyrics::selection {
  background: var(--selection);
}

/* The white memo card on the desk: reference material beside the pad. */
.rhymes-panel {
  width: 380px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--paper-card);
  margin: 10px 12px 10px 0;
  border-radius: 5px;
  box-shadow: var(--shadow-card);
}

.selected-word-bar {
  padding: 12px 20px;
  border-bottom: 1px solid var(--rule);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.context-line {
  width: 100%;
  font-size: 13px;
  color: var(--ink-faded);
  font-style: italic;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-top: 2px;
}

.context-line:empty {
  display: none;
}

@keyframes word-flash {
  0% { background: var(--flash); }
  100% { background: transparent; }
}

.selected-word-bar.flash {
  animation: word-flash 0.4s ease-out;
}

.selected-word-bar .label {
  font-family: var(--font-marginalia);
  font-size: 12px;
  color: var(--ink-faded);
  text-transform: lowercase;
  letter-spacing: 0.08em;
  font-weight: 400;
}

/* Typewritten header register, echoing the memo-pad reference. */
.selected-word-bar .label::before { content: '\2013\00a0'; }
.selected-word-bar .label::after { content: '\00a0\2013'; }

.selected-word-bar .word {
  font-family: var(--font-editor);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

#rhyme-results {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
}

#rhyme-results::-webkit-scrollbar {
  width: 6px;
}

#rhyme-results::-webkit-scrollbar-track {
  background: transparent;
}

#rhyme-results::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 3px;
}

.rhyme-group {
  margin-bottom: 4px;
}

.rhyme-group-header {
  padding: 10px 20px;
  font-family: var(--font-marginalia);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
  transition: background 0.15s;
}

.rhyme-group-header:hover {
  background: var(--ink-wash);
}

.rhyme-group-header .name {
  display: flex;
  align-items: center;
  gap: 8px;
}

.rhyme-group-header .count {
  font-size: 11px;
  color: var(--ink-faded);
  background: var(--ink-wash);
  padding: 2px 8px;
  border-radius: 10px;
}

.rhyme-group-header .chevron {
  font-size: 10px;
  color: var(--ink-faded);
  transition: transform 0.2s;
}

.rhyme-group.open .chevron {
  transform: rotate(90deg);
}

.rhyme-group-body {
  display: none;
  padding: 4px 20px 12px;
  flex-wrap: wrap;
  gap: 6px;
}

.rhyme-group.open .rhyme-group-body {
  display: flex;
}

.rhyme-word {
  font-family: var(--font-editor);
  font-size: 13px;
  padding: 4px 10px;
  background: var(--ink-wash);
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.15s;
}

.rhyme-word:hover {
  background: var(--ink-wash-strong);
}

/* ── Definition popup (desktop) ── */

.def-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
}

.def-popup {
  position: fixed;
  z-index: 101;
  width: 320px;
  max-height: 280px;
  overflow-y: auto;
  background: var(--paper-card);
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 16px;
  box-shadow: var(--shadow-popup);
}

.def-popup::-webkit-scrollbar {
  width: 5px;
}

.def-popup::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 3px;
}

.def-word {
  font-family: var(--font-editor);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
}

.def-phonetic {
  font-family: var(--font-marginalia);
  font-size: 13px;
  color: var(--ink-faded);
  margin-bottom: 12px;
}

.def-pos {
  font-family: var(--font-marginalia);
  font-size: 12px;
  font-weight: 700;
  color: var(--ink);
  margin-top: 10px;
  margin-bottom: 4px;
}

.def-meaning {
  font-size: 13px;
  color: var(--ink);
  line-height: 1.5;
  margin-bottom: 4px;
  padding-left: 10px;
  border-left: 2px solid var(--rule);
}

.def-example {
  font-size: 12px;
  color: var(--ink-faded);
  font-style: italic;
  padding-left: 10px;
  margin-bottom: 8px;
}

.def-loading {
  font-size: 13px;
  color: var(--ink-faded);
  text-align: center;
  padding: 20px 0;
}

.def-error {
  font-size: 13px;
  color: var(--ink-faded);
  text-align: center;
  padding: 20px 0;
}

/* ── Definition bottom sheet (mobile) ── */

@media (max-width: 768px) {
  .def-overlay {
    background: var(--scrim-light);
  }

  .def-popup {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    max-height: 50vh;
    border-radius: 16px 16px 0 0;
    border: none;
    border-top: 1px solid var(--rule);
    padding: 20px 16px;
    padding-bottom: calc(20px + env(safe-area-inset-bottom));
  }

  .def-popup::before {
    content: '';
    display: block;
    width: 36px;
    height: 4px;
    background: var(--sheet-handle);
    border-radius: 2px;
    margin: 0 auto 14px;
  }
}

.color-perfect { color: var(--rhyme-perfect); }
.color-family { color: var(--rhyme-family); }
.color-additive { color: var(--rhyme-additive); }
.color-subtractive { color: var(--rhyme-subtractive); }
.color-assonance { color: var(--rhyme-assonance); }
.color-consonance { color: var(--rhyme-consonance); }

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.dot-perfect { background: var(--rhyme-perfect); }
.dot-family { background: var(--rhyme-family); }
.dot-additive { background: var(--rhyme-additive); }
.dot-subtractive { background: var(--rhyme-subtractive); }
.dot-assonance { background: var(--rhyme-assonance); }
.dot-consonance { background: var(--rhyme-consonance); }

.show-more-btn {
  width: 100%;
  padding: 10px;
  margin-top: 8px;
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 4px;
  color: var(--ink-faded);
  font-family: var(--font-marginalia);
  font-size: 12px;
  cursor: pointer;
  transition: background 0.15s;
}

.show-more-btn:hover {
  background: var(--ink-wash);
}

.no-rhymes {
  display: block;
  padding: 8px 0;
  color: var(--ink-faded);
  font-size: 13px;
  font-style: italic;
}

.empty-state {
  padding: 40px 20px;
  text-align: center;
  color: var(--ink-faded);
  font-family: var(--font-marginalia);
  font-style: italic;
  font-size: 13px;
  line-height: 1.6;
}

.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--ink-faded);
  font-size: 14px;
}

.description {
  font-size: 11px;
  color: var(--ink-faded);
  padding: 2px 20px 8px;
  font-style: italic;
  display: none;
}

.rhyme-group.open .description {
  display: block;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

#user-area {
  display: flex;
  align-items: center;
  gap: 8px;
}

#user-email {
  font-family: var(--font-marginalia);
  font-size: 12px;
  color: var(--ink-faded);
}

/* ── Account settings overlay ── */

#account-settings-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--scrim);
  z-index: 100;
  align-items: center;
  justify-content: center;
}

#account-settings-overlay.open {
  display: flex;
}

#account-settings-panel {
  background: var(--paper-card);
  border: none;
  border-radius: 6px;
  box-shadow: var(--shadow-popup);
  width: 400px;
  max-width: 92vw;
  max-height: 90vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.account-settings-header {
  display: flex;
  align-items: center;
  padding: 16px;
  border-bottom: 1px solid var(--rule);
  font-family: var(--font-marginalia);
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}

.account-settings-header span {
  flex: 1;
}

.account-settings-body {
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.settings-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-bottom: 20px;
}

.settings-section:not(:first-child) {
  border-top: 1px solid var(--rule);
  padding-top: 20px;
}

.settings-section-title {
  font-family: var(--font-marginalia);
  font-size: 11px;
  font-weight: 700;
  color: var(--ink-faded);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.settings-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}

.settings-label {
  color: var(--ink-faded);
  flex-shrink: 0;
}

.settings-value {
  color: var(--ink);
}

.settings-input {
  width: 100%;
  padding: 10px 14px;
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 4px;
  color: var(--ink);
  font-family: var(--font-editor);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.settings-input:focus {
  border-color: var(--border-focus);
}

.settings-input::placeholder {
  color: var(--ink-faded);
}

.settings-btn {
  padding: 10px 16px;
  background: transparent;
  border: 1px solid var(--ink-faded);
  border-radius: 4px;
  color: var(--ink);
  font-family: var(--font-marginalia);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
}

.settings-btn:hover {
  background: var(--ink-wash);
}

.settings-btn.danger-btn {
  border-color: var(--danger-border);
  color: var(--danger);
}

.settings-btn.danger-btn:hover {
  background: var(--danger-bg);
  border-color: var(--danger-border-hover);
  color: var(--danger-hover);
}

.settings-hint {
  font-size: 12px;
  color: var(--ink-faded);
}

/* ── Lyrics list overlay ── */

#lyrics-list-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--scrim);
  z-index: 100;
  align-items: flex-start;
  justify-content: flex-start;
}

#lyrics-list-overlay.open {
  display: flex;
}

#lyrics-list-panel {
  background: var(--paper-card);
  border-right: none;
  box-shadow: var(--shadow-popup);
  width: 320px;
  max-width: 90vw;
  height: 100%;
  display: flex;
  flex-direction: column;
}

#lyrics-list-panel-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px;
  border-bottom: 1px solid var(--rule);
  font-family: var(--font-marginalia);
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}

#lyrics-list-panel-header span {
  flex: 1;
}

#lyrics-list-items {
  flex: 1;
  overflow-y: auto;
}

.lyrics-list-item {
  padding: 12px 16px;
  border-bottom: 1px solid var(--rule);
  border-left: 3px solid transparent;
  cursor: pointer;
  transition: background 0.1s;
}

.lyrics-list-item:hover {
  background: var(--ink-wash);
}

/* The red margin marks the open page. */
.lyrics-list-item.active {
  background: var(--margin-red-wash);
  border-left: 3px solid var(--margin-red);
}

.lyrics-list-item-main {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 6px;
}

.lyrics-list-title {
  font-family: var(--font-editor);
  font-size: 14px;
  color: var(--ink);
}

.lyrics-list-date {
  font-family: var(--font-marginalia);
  font-size: 11px;
  color: var(--ink-faded);
}

.lyrics-list-actions {
  display: flex;
  gap: 6px;
}

.lyrics-action-btn {
  font-family: var(--font-marginalia);
  font-size: 11px;
  padding: 3px 8px;
  background: transparent;
  border: 1px solid var(--ink-border);
  border-radius: 3px;
  color: var(--ink-faded);
  cursor: pointer;
}

.lyrics-action-btn:hover {
  background: var(--ink-wash);
  color: var(--ink);
}

.lyrics-delete-btn:hover {
  border-color: var(--danger-border);
  color: var(--danger);
}

.lyrics-list-empty {
  padding: 32px 16px;
  color: var(--ink-faded);
  font-family: var(--font-marginalia);
  font-style: italic;
  font-size: 13px;
  text-align: center;
}

.icon-btn {
  background: none;
  border: none;
  color: var(--ink-faded);
  font-size: 18px;
  cursor: pointer;
  padding: 2px 6px;
  line-height: 1;
}

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

#save-indicator {
  font-family: var(--font-marginalia);
  font-style: italic;
  font-size: 12px;
  color: var(--ink-faded);
  margin-left: 8px;
  font-weight: 400;
}

/* ── Mobile tabs (hidden on desktop) ── */

.mobile-tabs {
  display: none;
}

/* ── Mobile layout ── */

@media (max-width: 768px) {
  header {
    padding: 10px 16px;
    gap: 6px;
    flex-wrap: wrap;
    padding-top: calc(10px + env(safe-area-inset-top));
  }

  header h1 {
    width: 100%;
  }

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

  /* Even columns: the three tool buttons share their row equally,
     and the account controls fill a full-width row below. */
  header > .toggle-btn {
    flex: 1 1 0;
    font-size: 10px;
    letter-spacing: 0.03em;
    padding: 6px 2px;
  }

  .header-right {
    width: 100%;
    margin-left: 0;
  }

  #user-area {
    width: 100%;
  }

  #user-area .toggle-btn {
    flex: 1 1 0;
  }

  #user-info {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    width: 100%;
  }

  #user-email {
    width: 100%;
    text-align: center;
  }

  #status {
    display: none;
  }

  .mobile-tabs {
    display: flex;
    background: var(--paper);
    border-bottom: 1px solid var(--margin-line);
    flex-shrink: 0;
  }

  .mobile-tab {
    flex: 1;
    padding: 10px;
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    text-align: center;
    background: transparent;
    border: none;
    color: var(--ink-faded);
    cursor: pointer;
    transition: all 0.2s;
    border-bottom: 2px solid transparent;
    min-height: 44px;
  }

  .mobile-tab.active {
    color: var(--ink);
    border-bottom-color: var(--margin-red);
  }

  .main {
    flex-direction: column;
  }

  .lyrics-panel,
  .rhymes-panel {
    transition: opacity 0.15s ease;
  }

  .lyrics-panel {
    flex: 1;
    min-height: 0;
  }

  .panel-header {
    display: none;
  }

  .resize-handle {
    display: none;
  }

  .rhymes-panel {
    width: 100% !important;
    flex: 1;
    min-height: 0;
    margin: 0;
    border-radius: 0;
    box-shadow: none;
  }

  /* Tab switching */
  .main.show-lyrics .lyrics-panel {
    display: flex;
    flex: 1;
  }

  .main.show-lyrics .rhymes-panel {
    display: none;
  }

  .main.show-rhymes .lyrics-panel {
    display: none;
  }

  .main.show-rhymes .rhymes-panel {
    display: flex;
    flex: 1;
  }

  /* Editor metrics shrink together: one token change keeps the ruling,
     text, overlay, and gutters in lockstep. */
  :root {
    --editor-font-size: 18px;
    --line-pitch: 31px;
    --editor-pad: 16px;
  }

  .syllable-gutter {
    width: 40px;
  }

  .syllable-gutter .syl-line {
    font-size: 13px;
  }

  .rhyme-scheme-gutter .scheme-line {
    font-size: 14px;
  }

  /* Rhyme results adjustments */
  .selected-word-bar {
    padding: 14px 16px;
    background: var(--paper-card);
  }

  .selected-word-bar .word {
    font-size: 20px;
  }

  .rhyme-group-header {
    padding: 10px 16px;
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  .rhyme-group-body {
    padding: 4px 16px 12px;
    gap: 8px;
  }

  .rhyme-word {
    font-size: 15px;
    padding: 10px 14px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }

  .description {
    padding: 2px 16px 8px;
  }

  .empty-state {
    padding: 30px 16px;
  }
}

/* ── Reduced motion ──
   Kept last: it must out-cascade every animation declared above
   (equal specificity, later source order wins). */

@media (prefers-reduced-motion: reduce) {
  .lyrics-panel,
  .rhymes-panel,
  .selected-word-bar.flash {
    animation: none;
  }

  *, *::before, *::after {
    transition-duration: 0.01ms !important;
  }
}