/* ============================================================
   Score Trainer — companion page to the main Chord Trainer.
   Tokens here mirror /styles.css so the two pages feel one.
   ============================================================ */

:root {
  --ink: #0a0908;
  --ivory: #f2e9dc;
  --ivory-dim: #c9bfae;
  --gold: #c8a464;
  --gold-bright: #e4c584;
  --crimson: #a03b3b;
  --sage: #6b8e6b;
  --paper: #1a1614;
  --line: #2a2420;
  --gold-rgb: 200, 164, 100;
  --gold-bright-rgb: 228, 197, 132;

  --font-display: 'Playfair Display', 'Cormorant Garamond', serif;
  --font-body: 'Cormorant Garamond', serif;
  --font-mono: 'JetBrains Mono', monospace;

  --ease-fast: 0.15s ease;
  --ease: 0.2s ease;
  --ease-medium: 0.3s ease;
  --ease-slow: 0.4s ease;

  --radius-sm: 2px;
  --radius-md: 3px;
  --radius-lg: 4px;
  --radius-xl: 6px;
}

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

@media (min-width: 900px) {
  html { font-size: 110.5%; zoom: 0.9; }
}

html, body {
  background: var(--ink);
  color: var(--ivory);
  font-family: var(--font-body);
  min-height: 100vh;
  overflow-x: hidden;
}

body {
  background:
    radial-gradient(ellipse at 20% 0%, rgba(var(--gold-rgb), 0.08), transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(160, 59, 59, 0.05), transparent 50%),
    var(--ink);
  background-attachment: fixed;
}

.app {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 2rem 6rem;
}

@media (max-width: 600px) {
  .app { padding: 1.5rem 0.75rem 4rem; }
}

/* ---------- header ---------- */

header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 3rem;
  gap: 1.5rem;
}

.wordmark {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 1.8rem;
  letter-spacing: 0.02em;
  color: var(--ivory);
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  flex-wrap: wrap;
}
.wordmark em {
  font-style: italic;
  color: var(--gold);
  font-weight: 400;
}
.wm-brand, .wm-suffix { white-space: nowrap; }

.header-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.55rem;
}

/* Mirrors the .mode-pill rule on the chord trainer's stylesheet so the
   two pages share one control. If you change one, change the other. */
.mode-pill {
  display: inline-flex;
  border: 1px solid var(--gold);
  border-radius: var(--radius-md);
  background: rgba(0, 0, 0, 0.15);
  overflow: hidden;
  align-self: center;
  font-family: var(--font-display);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  line-height: 1;
}
.mp-opt {
  padding: 0.55rem 0.95rem;
  color: var(--ivory-dim);
  text-decoration: none;
  border-right: 1px solid var(--line);
  transition: color var(--ease-fast), background var(--ease-fast);
}
.mp-opt:last-child { border-right: none; }
.mp-opt:hover { color: var(--ivory); background: rgba(var(--gold-bright-rgb), 0.06); }
.mp-opt.is-active {
  color: var(--gold);
  background: rgba(var(--gold-bright-rgb), 0.12);
  box-shadow: inset 0 -2px 0 var(--gold);
  pointer-events: none;
}

.meta {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ivory-dim);
}

/* ---------- generic buttons ---------- */

button {
  font-family: var(--font-body);
  font-size: 1rem;
  letter-spacing: 0.04em;
  background: transparent;
  color: var(--ivory);
  border: 1px solid var(--gold);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--ease);
  padding: 0.7rem 1.2rem;
}
button:hover { background: var(--gold); color: var(--ink); }
button:disabled { opacity: 0.3; cursor: not-allowed; }
button:disabled:hover { background: transparent; color: var(--ivory); }

.primary-btn {
  background: var(--gold);
  color: var(--ink);
  font-weight: 500;
}
.primary-btn:hover { background: var(--gold-bright); }
.primary-btn.big {
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 0.95rem 2.4rem;
}

.ghost-btn {
  border: 1px solid var(--line);
  color: var(--ivory-dim);
  font-size: 0.92rem;
  padding: 0.55rem 1rem;
}
.ghost-btn:hover { border-color: var(--gold); background: transparent; color: var(--gold); }
.ghost-btn.small { font-size: 0.78rem; padding: 0.35rem 0.7rem; }
.ghost-btn.danger { border-color: rgba(160, 59, 59, 0.45); color: rgba(242, 233, 220, 0.7); }
.ghost-btn.danger:hover { border-color: var(--crimson); color: var(--crimson); background: transparent; }

.link-btn {
  background: none;
  border: none;
  padding: 0;
  color: var(--gold);
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(var(--gold-rgb), 0.4);
  transition: color var(--ease-fast);
}
.link-btn:hover { color: var(--gold-bright); background: transparent; }

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.4rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ivory-dim);
  background: transparent;
}
.icon-btn:hover { border-color: var(--gold); color: var(--gold); background: transparent; }

/* ---------- views ---------- */

/* `.is-entering` is toggled by main.js right after a view becomes visible,
   so the fade restarts on every view switch (CSS animations only fire on
   class change, not on the [hidden]→visible transition). */
.view.is-entering {
  animation: viewFade var(--ease-medium);
}
@keyframes viewFade {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}


/* ==================== UPLOAD VIEW ==================== */

.hero {
  text-align: center;
  margin-bottom: 3rem;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}
.hero-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 2.6rem;
  line-height: 1.15;
  letter-spacing: -0.005em;
  margin-bottom: 1.2rem;
}
.hero-title em {
  font-style: italic;
  color: var(--gold);
  font-weight: 400;
}
.hero-sub {
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--ivory-dim);
}
.hero-sub strong {
  color: var(--ivory);
  font-weight: 600;
}

.hero-rationale {
  margin-top: 1.6rem;
  padding-top: 1.4rem;
  border-top: 1px dotted var(--line);
  font-size: 0.96rem;
  line-height: 1.65;
  color: var(--ivory-dim);
  font-style: normal;
}
.hero-rationale em {
  color: var(--gold);
  font-style: italic;
}

.drop-zone {
  border: 1.5px dashed rgba(var(--gold-rgb), 0.35);
  border-radius: var(--radius-lg);
  padding: 3.5rem 2rem;
  text-align: center;
  background: rgba(255, 255, 255, 0.015);
  transition: all var(--ease);
  cursor: pointer;
  margin-bottom: 2.5rem;
}
.drop-zone:hover,
.drop-zone.drag-over {
  border-color: var(--gold);
  background: rgba(var(--gold-rgb), 0.05);
}
.drop-art {
  color: rgba(var(--gold-rgb), 0.55);
  margin-bottom: 1.2rem;
}
.drop-zone:hover .drop-art,
.drop-zone.drag-over .drop-art {
  color: var(--gold);
}
.drop-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
}
.drop-sub {
  font-size: 1.02rem;
  color: var(--ivory-dim);
  margin-bottom: 0.9rem;
}
.drop-hint {
  font-family: var(--font-display);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(var(--gold-rgb), 0.5);
}

.kind-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  margin-bottom: 3rem;
}
@media (max-width: 600px) {
  .kind-row { grid-template-columns: 1fr; }
}
.kind-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1.1rem 1.3rem;
  background: rgba(255, 255, 255, 0.012);
}
.kind-title {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.5rem;
}
.kind-body {
  font-size: 0.98rem;
  line-height: 1.45;
  color: var(--ivory-dim);
}

.recent {
  border-top: 1px dotted var(--line);
  padding-top: 1.5rem;
}
.recent-label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ivory-dim);
  margin-bottom: 0.8rem;
}
.recent-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.recent-item {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 0.85rem;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.01);
  font-size: 0.96rem;
  font-family: var(--font-body);
  color: var(--ivory);
  text-align: left;
  cursor: pointer;
  width: 100%;
  letter-spacing: 0;
  transition: border-color var(--ease-fast), background var(--ease-fast);
}
.recent-item:hover {
  border-color: var(--gold);
  background: rgba(var(--gold-rgb), 0.04);
}
.recent-item-kind {
  font-family: var(--font-display);
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid rgba(var(--gold-rgb), 0.35);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
}
.recent-item-name {
  color: var(--ivory);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}
.recent-item-meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ivory-dim);
  white-space: nowrap;
}
.recent-item-del {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  color: var(--ivory-dim);
  font-size: 1.15rem;
  line-height: 1;
  border-radius: 50%;
  transition: color var(--ease-fast), background var(--ease-fast);
}
.recent-item-del:hover {
  color: var(--crimson);
  background: rgba(160, 59, 59, 0.1);
}


/* ==================== MARK VIEW (PDF) ==================== */

.mark-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.3rem;
  flex-wrap: wrap;
}
.mark-title {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  min-width: 0;
}
.mark-title .filename {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--ivory);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 460px;
}
.mark-title .hint {
  font-size: 0.92rem;
  color: var(--ivory-dim);
}
.mark-title .hint strong { color: var(--gold); font-weight: 600; }

.mark-toolbar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.mode-toggle {
  display: inline-flex;
  border: 1px solid var(--gold);
  border-radius: var(--radius-md);
  background: rgba(0,0,0,0.15);
  overflow: hidden;
}
.mode-btn {
  padding: 0.45rem 1rem;
  background: transparent;
  border: none;
  border-right: 1px solid var(--line);
  color: var(--ivory-dim);
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.mode-btn:last-child { border-right: none; }
.mode-btn:hover { color: var(--ivory); background: rgba(var(--gold-bright-rgb), 0.05); }
.mode-btn.active {
  color: var(--gold);
  background: rgba(var(--gold-bright-rgb), 0.12);
  box-shadow: inset 0 -2px 0 var(--gold);
}

.page-nav {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.page-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ivory-dim);
  min-width: 50px;
  text-align: center;
}

.mark-stage {
  display: flex;
  justify-content: center;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1rem;
  overflow: auto;
  max-height: 78vh;
}
.mark-canvas-wrap {
  position: relative;
  display: inline-block;
  line-height: 0;
}
#markCanvas {
  display: block;
  background: #fff;
  box-shadow: 0 8px 36px rgba(0,0,0,0.5);
}
.mark-overlay {
  position: absolute;
  inset: 0;
  cursor: crosshair;
}

/* System rectangles */
.system-box {
  position: absolute;
  border: 1.5px solid rgba(var(--gold-rgb), 0.9);
  background: rgba(var(--gold-rgb), 0.08);
  pointer-events: auto;
  cursor: pointer;
}
.system-box.dragging {
  border-style: dashed;
  background: rgba(var(--gold-rgb), 0.15);
}
.system-box .system-label {
  position: absolute;
  top: -22px;
  left: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  background: var(--gold);
  color: var(--ink);
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-sm);
  pointer-events: none;
}
.system-box .system-remove {
  position: absolute;
  top: -22px;
  right: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.1rem 0.4rem;
  background: rgba(160, 59, 59, 0.85);
  color: var(--ivory);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--ease-fast);
}
.system-box:hover .system-remove { opacity: 1; }
.system-box .system-remove:hover { background: var(--crimson); }

.barline {
  position: absolute;
  width: 2px;
  background: var(--sage);
  pointer-events: auto;
  cursor: pointer;
  transition: width var(--ease-fast), background var(--ease-fast);
}
.barline:hover { width: 4px; background: var(--crimson); }

.measure-overlay {
  position: absolute;
  border-left: 1px dashed rgba(107, 142, 107, 0.5);
  border-right: 1px dashed rgba(107, 142, 107, 0.5);
  pointer-events: none;
}

.mark-stats {
  display: flex;
  gap: 0.6rem;
  justify-content: center;
  margin-top: 1rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ivory-dim);
}
.mark-stats strong { color: var(--gold); font-weight: 600; }
.dot { color: rgba(var(--gold-rgb), 0.5); }

.kbd-hint { text-transform: none; letter-spacing: 0.04em; font-family: var(--font-body); }
.kbd-hint kbd {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.05rem 0.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.04);
  color: var(--ivory);
  margin-right: 0.3rem;
  letter-spacing: 0;
}


/* ==================== CONFIG VIEW ==================== */

.config-card {
  max-width: 640px;
  margin: 0 auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.012);
  padding: 2.2rem 2.4rem;
}
@media (max-width: 600px) { .config-card { padding: 1.4rem 1.2rem; } }

.config-head { margin-bottom: 1.8rem; }
.config-eyebrow {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.4rem;
}
.config-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 0.3rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.config-summary {
  font-size: 0.95rem;
  color: var(--ivory-dim);
}

.config-body {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
  margin-bottom: 2rem;
}
.config-row {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 0.4rem 1.2rem;
  align-items: center;
}
@media (max-width: 600px) {
  .config-row { grid-template-columns: 1fr; }
}
.config-label {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ivory-dim);
}
.config-control {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.config-hint {
  grid-column: 2 / -1;
  font-size: 0.85rem;
  color: rgba(var(--gold-rgb), 0.55);
  font-style: italic;
  font-family: var(--font-display);
}
@media (max-width: 600px) {
  .config-hint { grid-column: 1; }
}

.slider {
  appearance: none;
  -webkit-appearance: none;
  flex: 1;
  height: 2px;
  background: var(--line);
  outline: none;
  border-radius: var(--radius-pill, 999px);
}
.slider::-webkit-slider-thumb {
  appearance: none;
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  background: var(--gold);
  border-radius: 50%;
  cursor: pointer;
  transition: background var(--ease-fast), transform var(--ease-fast);
}
.slider::-moz-range-thumb {
  width: 16px;
  height: 16px;
  background: var(--gold);
  border: none;
  border-radius: 50%;
  cursor: pointer;
}
.slider:hover::-webkit-slider-thumb { background: var(--gold-bright); transform: scale(1.15); }

.slider-val {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ivory);
  min-width: 95px;
  text-align: right;
}

.range-control {
  flex-wrap: wrap;
}
.range-input {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ivory-dim);
}
.range-input input {
  width: 70px;
  padding: 0.4rem 0.6rem;
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ivory);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  letter-spacing: 0;
}
.range-input input:focus { border-color: var(--gold); outline: none; }

.config-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.5rem;
  border-top: 1px dotted var(--line);
  gap: 1rem;
  flex-wrap: wrap;
}


/* ==================== PLAYBACK VIEW ==================== */

.play-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 1rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ivory-dim);
}
.play-meta strong, .play-counter { color: var(--gold); font-weight: 600; }
.round-label { color: var(--ivory-dim); }
.round-label span { color: var(--gold); font-weight: 600; }

.chunk-stage {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--paper);
  padding: 1.5rem;
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.4rem;
}

/* Wide-screen breakout: on monitors with plenty of horizontal room, let
   the score span ~80% of the viewport instead of being capped at .app's
   1200px content area. Negative side margins overflow the parent while
   keeping the stage horizontally centered against the viewport (body has
   overflow-x: hidden, so the extended box doesn't introduce scroll). */
@media (min-width: 1300px) {
  .chunk-stage {
    --chunk-w: min(80vw, 1700px);
    width: var(--chunk-w);
    margin-left: calc((100% - var(--chunk-w)) / 2);
    margin-right: calc((100% - var(--chunk-w)) / 2);
    max-width: none;
  }
}
.chunk-render {
  width: 100%;
  display: flex;
  justify-content: center;
}
.chunk-render canvas,
.chunk-render img {
  max-width: 100%;
  height: auto;
  background: #fff;
  border-radius: 0;
}
/* PDF chunks live inside a wrapper that owns the shadow + background — so
   a chunk that straddles two systems looks like one continuous sheet of
   paper instead of two cards with a visible seam between them. The
   orientation modifier switches between side-by-side and stacked layouts;
   the renderer picks one globally so the visual feel is consistent across
   every chunk in a session. */
.chunk-render-pdf {
  display: flex;
  background: #fff;
  border-radius: 2px;
  box-shadow: 0 8px 28px rgba(0,0,0,0.45);
}
.chunk-render-pdf-vertical {
  flex-direction: column;
  align-items: center;
  padding: 4px 0;
}
.chunk-render-pdf-horizontal {
  flex-direction: row;
  align-items: center;
  justify-content: center;
  padding: 4px;
  /* A small visible gap between regions belonging to different systems —
     reads as "line break inside one chunk" without looking like two
     separate panels. */
  gap: 10px;
}
.chunk-render .osmd-container {
  background: #fdfbf6;
  padding: 1rem 1.2rem;
  border-radius: 3px;
  box-shadow: 0 8px 28px rgba(0,0,0,0.45);
  max-width: 100%;
  overflow-x: auto;
}

.play-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.2rem;
  margin-bottom: 0.9rem;
}
.icon-btn-lg {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ivory-dim);
  background: transparent;
  transition: all var(--ease);
}
.icon-btn-lg:hover:not(:disabled) {
  border-color: var(--gold);
  color: var(--gold);
  background: transparent;
}
.icon-btn-lg.pause-btn {
  width: 64px;
  height: 64px;
  border-color: var(--gold);
  color: var(--gold);
}
.icon-btn-lg.pause-btn:hover:not(:disabled) {
  background: var(--gold);
  color: var(--ink);
}

.play-progress {
  position: relative;
  height: 4px;
  background: var(--line);
  border-radius: var(--radius-pill, 999px);
  margin-bottom: 0.5rem;
  overflow: visible;
}
.play-progress-fill {
  height: 100%;
  background: var(--gold);
  border-radius: inherit;
  width: 0%;
  transition: width 0.25s linear;
}
.play-progress-time {
  position: absolute;
  right: 0;
  top: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ivory-dim);
}

.play-footer {
  margin-top: 1.8rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
.kbd-row {
  display: flex;
  gap: 1.4rem;
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ivory-dim);
}
.kbd-row span { display: inline-flex; align-items: center; gap: 0.4rem; }
.kbd-row kbd {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.1rem 0.45rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.04);
  color: var(--ivory);
  letter-spacing: 0;
  text-transform: none;
}


/* ---------- page footer ---------- */

.page-footer {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  text-align: center;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ivory-dim);
}
.page-footer a { color: var(--gold); text-decoration: none; }
.page-footer a:hover { color: var(--gold-bright); }


/* ---------- toast / errors ---------- */

.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.8rem 1.4rem;
  background: var(--paper);
  border: 1px solid var(--crimson);
  border-radius: var(--radius-md);
  color: var(--ivory);
  font-size: 0.95rem;
  z-index: 2000;
  animation: toastIn 0.25s ease, toastOut 0.4s ease 3.5s forwards;
  box-shadow: 0 12px 40px rgba(0,0,0,0.5);
}
@keyframes toastIn {
  from { opacity: 0; transform: translate(-50%, 12px); }
  to   { opacity: 1; transform: translate(-50%, 0); }
}
@keyframes toastOut {
  to { opacity: 0; transform: translate(-50%, 12px); }
}