/* Grammar! Montessori Parts of Speech, Sentence Tracks, Drag & Drop, and Kids Controls.
   Base styles and design tokens are in base.css. */

:root {
  /* Montessori Grammar Palette */
  --m-noun: #1c1917; --m-noun-soft: #f5f5f4; --m-noun-ink: #292524;
  --m-article: #38bdf8; --m-article-soft: #e0f2fe; --m-article-ink: #0369a1;
  --m-adjective: #2563eb; --m-adjective-soft: #dbeafe; --m-adjective-ink: #1e40af;
  --m-pronoun: #9333ea; --m-pronoun-soft: #f3e8ff; --m-pronoun-ink: #6b21a8;
  --m-verb: #ef4444; --m-verb-soft: #fee2e2; --m-verb-ink: #991b1b;
  --m-adverb: #f97316; --m-adverb-soft: #ffedd5; --m-adverb-ink: #9a3412;
  --m-preposition: #16a34a; --m-preposition-soft: #dcfce7; --m-preposition-ink: #14532d;
  --m-conjunction: #ec4899; --m-conjunction-soft: #fce7f3; --m-conjunction-ink: #9d174d;
  --m-interjection: #eab308; --m-interjection-soft: #fef9c3; --m-interjection-ink: #713f12;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --m-noun: #3f3f46; --m-noun-soft: #27272a; --m-noun-ink: #f4f4f5;
    --m-article: #60a5fa; --m-article-soft: #172554; --m-article-ink: #bfdbfe;
    --m-adjective: #3b82f6; --m-adjective-soft: #1e3a8a; --m-adjective-ink: #93c5fd;
    --m-pronoun: #a855f7; --m-pronoun-soft: #3b0764; --m-pronoun-ink: #e9d5ff;
    --m-verb: #f87171; --m-verb-soft: #450a0a; --m-verb-ink: #fecaca;
    --m-adverb: #fb923c; --m-adverb-soft: #431407; --m-adverb-ink: #fed7aa;
    --m-preposition: #4ade80; --m-preposition-soft: #052e16; --m-preposition-ink: #bbf7d0;
    --m-conjunction: #f472b6; --m-conjunction-soft: #500724; --m-conjunction-ink: #fbcfe8;
    --m-interjection: #facc15; --m-interjection-soft: #422006; --m-interjection-ink: #fef08a;
  }
}

/* ── Montessori Symbol & Legend ── */
.msym { display: inline-block; vertical-align: middle; flex: none; }
.legend-bar {
  display: flex; flex-wrap: wrap; gap: 8px; justify-content: center;
  padding: 12px 14px; background: var(--surface); border: 2px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow); margin: 18px 0 24px;
}
.legend-chip {
  display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px;
  border-radius: 999px; background: var(--surface-2); font-size: 0.82rem; font-weight: 800;
}

/* ── Worlds and Stages (Home) ── */
.world-section { margin-top: 28px; }
.world-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.world-emoji { font-size: 2.4rem; line-height: 1; flex: none; }
.world-header h2 { margin: 0; font-size: 1.4rem; }
.world-header p { margin: 2px 0 0; }
.stage-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }

.stage-card {
  display: flex; flex-direction: column; background: var(--surface); border: 2px solid var(--border);
  border-radius: 18px; box-shadow: var(--shadow); overflow: hidden; transition: transform .1s, border-color .1s;
}
.stage-card.next { border-color: var(--accent); }
.stage-card:hover { transform: translateY(-2px); }
.stage-main {
  display: flex; flex-direction: column; align-items: center; padding: 14px 12px 10px;
  color: var(--text); text-decoration: none; text-align: center; gap: 4px; flex: 1;
}
.stage-emoji { font-size: 2rem; margin-bottom: 2px; }
.stage-main b { font: 800 1.05rem var(--font-display); line-height: 1.2; }
.stage-watch {
  display: block; text-align: center; padding: 6px 10px; background: var(--surface-2);
  color: var(--muted); text-decoration: none; font-size: 0.8rem; font-weight: 700; border-top: 1px solid var(--border);
}
.stage-watch:hover { color: var(--accent-strong); background: var(--surface); }

/* ── Sentence Track & Slots (Drag & Drop) ── */
.order-game-area { display: flex; flex-direction: column; gap: 20px; margin: 12px 0; }
.track-container {
  padding: 16px 14px; background: var(--surface-2); border: 2px dashed var(--border);
  border-radius: var(--radius); min-height: 94px; display: flex; align-items: center; justify-content: center;
}
.track-slots { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: center; min-height: 70px; width: 100%; }
.track-slot {
  min-width: 68px; min-height: 64px; border: 2px dashed var(--border); border-radius: 16px;
  background: var(--surface); display: inline-flex; align-items: center; justify-content: center;
  padding: 4px; transition: border-color .15s, background-color .15s, transform .15s;
}
.track-slot.drop-hover { border-color: var(--good); background: var(--good-soft); transform: scale(1.05); }

.bank-container { background: var(--surface); border: 2px solid var(--border); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); }
.bank-label { margin: 0 0 10px; font-weight: 700; }
.bank-tray { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; min-height: 70px; }

/* ── Word Tiles ── */
.word-tile {
  display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px;
  border-radius: 14px; border: 2px solid var(--border); background: var(--surface);
  box-shadow: 0 3px 0 var(--border); color: var(--text); font: 800 1.25rem var(--font-display);
  cursor: grab; user-select: none; touch-action: none; transition: transform .1s, box-shadow .1s;
}
.word-tile:active { cursor: grabbing; transform: translateY(2px); box-shadow: none; }
.word-tile.selected {
  outline: 3px solid var(--accent); outline-offset: 3px; transform: translateY(-3px);
  box-shadow: 0 8px 16px color-mix(in srgb, var(--accent) 30%, transparent);
}
.word-tile.pos-noun { border-bottom: 4px solid var(--m-noun); }
.word-tile.pos-verb { border-bottom: 4px solid var(--m-verb); }
.word-tile.pos-adjective { border-bottom: 4px solid var(--m-adjective); }
.word-tile.pos-article { border-bottom: 4px solid var(--m-article); }
.word-tile.pos-pronoun { border-bottom: 4px solid var(--m-pronoun); }
.word-tile.pos-adverb { border-bottom: 4px solid var(--m-adverb); }
.word-tile.pos-preposition { border-bottom: 4px solid var(--m-preposition); }
.word-tile.pos-conjunction { border-bottom: 4px solid var(--m-conjunction); }

.tile-text { pointer-events: none; }
.tile-speak-btn {
  background: transparent; border: none; cursor: pointer; padding: 2px;
  font-size: 0.95rem; opacity: .5; margin-left: 2px; border-radius: 6px;
}
.tile-speak-btn:hover { opacity: 1; transform: scale(1.2); }
.tile-remove-btn {
  background: transparent; border: none; cursor: pointer; color: var(--bad);
  font-size: 0.95rem; font-weight: 800; padding: 0 2px; margin-left: 4px;
}

.drag-ghost {
  opacity: 0.95; filter: drop-shadow(0 12px 24px rgba(0,0,0,0.25));
  cursor: grabbing !important; pointer-events: none;
}

/* ── Spacing Exercise ── */
.spacing-stage { text-align: center; padding: 18px 0; }
.spacing-hint-text { font-size: 1.15rem; font-weight: 700; margin-bottom: 16px; }
.squished-box {
  display: inline-flex; align-items: center; gap: 0; padding: 16px 24px;
  background: var(--surface); border: 2px solid var(--border); border-radius: 20px;
  box-shadow: var(--shadow); font: 800 2rem var(--font-display);
}
.squish-part { display: inline-block; transition: transform .25s ease-out; }
.space-cut-target {
  display: inline-flex; flex-direction: column; align-items: center; padding: 6px 12px;
  margin: 0 4px; border-radius: 12px; border: 2px dashed var(--accent); background: var(--surface-2);
  cursor: pointer; color: var(--accent-strong); font-size: 0.9rem; font-weight: 800;
}
.space-cut-target.spaced {
  background: var(--good-soft); border-color: var(--good); color: var(--good);
  border-style: solid; padding: 6px 14px;
}
.finger-space-token { font: 800 1.1rem var(--font-display); }
.spacing-preview { margin-top: 18px; font-weight: 800; font-size: 1.25rem; min-height: 32px; }

/* ── Capitalization Exercise ── */
.capital-stage { text-align: center; padding: 14px 0; }
.capital-prompt { font-size: 1.15rem; font-weight: 700; margin-bottom: 16px; }
.sentence-capital-strip {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 16px 20px; background: var(--surface); border: 2px solid var(--border);
  border-radius: 20px; box-shadow: var(--shadow); font: 800 1.8rem var(--font-display);
}
.sentence-capital-strip.flex-wrap { flex-wrap: wrap; }
.capital-toggle-btn, .token-btn {
  font: inherit; padding: 6px 12px; border-radius: 14px; border: 2px solid var(--border);
  background: var(--surface-2); cursor: pointer; color: var(--text); transition: transform .1s;
}
.capital-toggle-btn:active, .token-btn:active { transform: translateY(2px); }
.letter-first { color: var(--accent-strong); text-decoration: underline; }
.fixed-cap { background: var(--good-soft); border-color: var(--good); color: var(--good); }

/* ── Punctuation Exercise ── */
.punct-stage { display: flex; justify-content: center; padding: 20px 0; }
.punct-sentence-card {
  display: inline-flex; align-items: center; gap: 8px; padding: 18px 26px;
  background: var(--surface); border: 2px solid var(--border); border-radius: 20px;
  box-shadow: var(--shadow); font: 800 2.1rem var(--font-display);
}
.punct-slot {
  display: inline-grid; place-items: center; width: 54px; height: 54px;
  border-radius: 14px; border: 2px dashed var(--accent); background: var(--surface-2);
  color: var(--accent-strong); font-size: 2rem;
}

/* ── Montessori Classifier ── */
.classifier-stage { text-align: center; padding: 12px 0; }
.target-badge {
  display: inline-flex; align-items: center; gap: 10px; padding: 8px 18px;
  border-radius: 999px; background: var(--surface-2); border: 2px solid var(--border);
  margin-bottom: 12px; font: 800 1.15rem var(--font-display);
}
.target-desc { font-family: var(--font-body); font-size: 0.85rem; font-weight: 700; color: var(--muted); }
.classifier-prompt { font-size: 1.1rem; font-weight: 700; margin-bottom: 16px; }
.sentence-classify-strip { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }

.classify-word-btn {
  display: inline-flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 10px 14px; border-radius: 16px; border: 2px solid var(--border);
  background: var(--surface); box-shadow: var(--shadow); cursor: pointer;
  font: 800 1.35rem var(--font-display); color: var(--text); min-width: 64px;
}
.classify-word-btn:active { transform: translateY(2px); box-shadow: none; }
.classify-word-btn.correct { background: var(--good-soft); border-color: var(--good); }
.classify-word-btn.wrong { opacity: .45; border-style: dashed; }
.classify-sym-holder { min-height: 24px; visibility: hidden; }
.classify-sym-holder.revealed { visibility: visible; }

/* ── Analysis Stage ── */
.analysis-stage { padding: 14px 0; text-align: center; }
.analysis-sentence-strip { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 14px; }
.analysis-word-col { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.analysis-sym-slot {
  width: 44px; height: 44px; display: grid; place-items: center; border-radius: 12px;
  background: var(--surface-2); border: 2px solid var(--border);
}
.analysis-word-box {
  padding: 8px 14px; border-radius: 12px; background: var(--surface);
  border: 2px solid var(--border); font: 800 1.25rem var(--font-display);
}
.analysis-pos-label { font-size: 0.75rem; font-weight: 800; color: var(--muted); }

/* ── Montessori Play Mat ── */
.mat-section { padding-bottom: 40px; }
.mat-head h1 { margin: 0.2em 0 0.1em; }
.mat-rail-container { margin: 18px 0; }
.mat-rail-topbar { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; margin-bottom: 12px; }
.mat-rail-title { font: 800 1.15rem var(--font-display); }
.mat-toggles { display: flex; gap: 14px; align-items: center; }
.mat-toggle-label { display: flex; align-items: center; gap: 6px; font-size: 0.85rem; font-weight: 700; cursor: pointer; }
.mat-sentence-rail {
  min-height: 84px; padding: 12px 14px; background: var(--surface-2);
  border: 2px dashed var(--border); border-radius: 16px; display: flex; align-items: center; justify-content: center;
}
.mat-rail-track { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: center; }
.mat-slot { border-style: none; background: transparent; padding: 0; min-width: auto; min-height: auto; }
.mat-tile { font-size: 1.15rem; padding: 6px 10px; }
.mat-space-indicator { font-weight: 800; color: var(--accent); margin: 0 4px; }

.mat-drawer-tabs { display: flex; flex-wrap: wrap; gap: 6px; margin: 18px 0 10px; }
.mat-tab-btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 999px;
  border: 2px solid var(--border); background: var(--surface); color: var(--text); font-weight: 800; cursor: pointer;
}
.mat-tab-btn.active { background: var(--surface-2); border-color: var(--accent); color: var(--accent-strong); }
.mat-drawer-words { min-height: 100px; }
.drawer-header-info { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.drawer-word-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.drawer-chip-btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px;
  border-radius: 14px; border: 2px solid var(--border); background: var(--surface-2);
  font: 800 1.15rem var(--font-display); color: var(--text); cursor: pointer; box-shadow: 0 2px 0 var(--border);
}
.drawer-chip-btn:active { transform: translateY(2px); box-shadow: none; }

/* ── Grammar Sense ── */
.sense-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin-top: 18px; }
.sense-card { text-align: center; display: flex; flex-direction: column; align-items: center; padding: 22px 18px; }
.sense-emoji { font-size: 3rem; margin-bottom: 4px; }
.sense-stars { font-size: 1.4rem; color: var(--yellow); }
.sense-q-card { text-align: center; padding: 20px 10px; }
.sense-pos-badge {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px;
  border-radius: 999px; background: var(--surface-2); border: 2px solid var(--border);
  margin-bottom: 12px; font-weight: 800;
}
.sense-q-text { font: 800 1.55rem var(--font-display); margin: 0; line-height: 1.3; }

/* ── Watch How ── */
.watch-stage { padding-bottom: 40px; }
.watch-top { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.watch-top h2 { margin: 0; font-size: 1.25rem; }
.watch-screen { padding: 24px 16px; min-height: 200px; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.watch-word-pill {
  display: inline-block; padding: 8px 14px; border-radius: 14px;
  background: var(--surface-2); border: 2px solid var(--border); font: 800 1.3rem var(--font-display);
}
.watch-word-pill.highlighted { background: var(--good-soft); border-color: var(--good); color: var(--good); }

/* ── Show & Copy Board (Parent Feature) ── */
.copy-board-section { padding-bottom: 40px; }
.copy-input-card { margin: 16px 0; }
.copy-input-row { display: flex; gap: 10px; align-items: stretch; }
.copy-text-input {
  flex: 1; padding: 12px 16px; border-radius: 14px; border: 2px solid var(--border);
  background: var(--surface-2); color: var(--text); font: 800 1.25rem var(--font-display);
}
.copy-presets-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 12px; }
.copy-preset-btn { font-size: 0.85rem; padding: 5px 10px; }

.copy-toggles-bar {
  display: flex; flex-wrap: wrap; gap: 14px; align-items: center; justify-content: center;
  padding: 12px 16px; margin-bottom: 16px;
}
.copy-toggle-item { display: inline-flex; align-items: center; gap: 6px; font-size: 0.88rem; font-weight: 700; cursor: pointer; }

.copy-screen-card {
  min-height: 280px; padding: 36px 24px; display: flex; align-items: center; justify-content: center;
  background: var(--surface); border: 3px solid var(--border); border-radius: 24px;
  box-shadow: 0 8px 0 var(--border); position: relative; overflow-x: auto;
}
.copy-screen-inner { width: 100%; display: flex; justify-content: center; }
.copy-words-row { display: flex; flex-wrap: wrap; gap: 14px 18px; align-items: flex-end; justify-content: center; }

.copy-word-item {
  display: inline-flex; flex-direction: column; align-items: center; gap: 6px;
  cursor: pointer; padding: 6px 12px; border-radius: 14px; transition: transform .12s;
}
.copy-word-item:hover { transform: translateY(-3px); }
.copy-word-item.pos-noun { border-bottom: 5px solid var(--m-noun); }
.copy-word-item.pos-verb { border-bottom: 5px solid var(--m-verb); }
.copy-word-item.pos-adjective { border-bottom: 5px solid var(--m-adjective); }
.copy-word-item.pos-article { border-bottom: 5px solid var(--m-article); }
.copy-word-item.pos-pronoun { border-bottom: 5px solid var(--m-pronoun); }
.copy-word-item.pos-adverb { border-bottom: 5px solid var(--m-adverb); }
.copy-word-item.pos-preposition { border-bottom: 5px solid var(--m-preposition); }
.copy-word-item.pos-conjunction { border-bottom: 5px solid var(--m-conjunction); }
.copy-word-item.pos-interjection { border-bottom: 5px solid var(--m-interjection); }

.copy-sym-badge { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.copy-pos-name { font-size: 0.72rem; font-weight: 800; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; }

.copy-word-text {
  font: 800 2.8rem/1.2 var(--font-display); color: var(--text); letter-spacing: 1px;
}
.copy-word-item.has-cap .copy-word-text::first-letter { color: var(--accent-strong); text-decoration: underline; }

.copy-finger-space { display: inline-flex; align-items: flex-end; margin-bottom: 12px; }
.space-pill {
  padding: 4px 8px; border-radius: 8px; background: var(--surface-2);
  border: 1.5px dashed var(--accent); color: var(--accent-strong); font-size: 0.85rem; font-weight: 800;
}

/* Handwriting Guidelines Mode */
.copy-screen-card.handwriting-lines {
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 36px,
    color-mix(in srgb, var(--blue) 25%, transparent) 37px,
    transparent 38px,
    transparent 68px,
    color-mix(in srgb, var(--accent) 30%, transparent) 69px,
    transparent 70px,
    transparent 100px,
    color-mix(in srgb, var(--bad) 35%, transparent) 101px,
    transparent 102px
  );
}

.copy-screen-card.giant-font .copy-word-text { font-size: 4rem; }

/* ── Responsive adjustments ── */
@media (max-width: 600px) {
  .stage-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
  .squished-box { font-size: 1.4rem; padding: 12px 16px; }
  .punct-sentence-card { font-size: 1.4rem; padding: 14px 16px; }
  .punct-slot { width: 44px; height: 44px; font-size: 1.5rem; }
  .sentence-capital-strip { font-size: 1.3rem; padding: 12px 14px; }
}