/* xue-hanzi (学汉字) page-specific styles.
   Shared lesson furniture (vplay-group, questions, passage) lives in
   shared/lesson.css; this file only adds the potential-complement box —
   the 听得懂 / 听不懂 grammar point — and the practice-passage label. */

/* ── Potential-complement box (V 得/不 R) ─────────── */
.pcomp {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
  margin-top: 1.5rem;
}
@media (max-width: 560px) { .pcomp { grid-template-columns: 1fr; } }
.pc-cell {
  background: white; border: 1px solid var(--border); border-radius: 10px;
  padding: 1.25rem 1.4rem; border-top: 3px solid var(--muted);
}
.pc-cell.pos { border-top-color: var(--green); }
.pc-cell.neg { border-top-color: var(--red); }
.pc-tag {
  font-size: 0.6rem; letter-spacing: 0.22em; text-transform: uppercase; font-weight: 700;
  margin-bottom: 0.5rem;
}
.pc-cell.pos .pc-tag { color: var(--green); }
.pc-cell.neg .pc-tag { color: var(--red); }
.pc-form { font-size: 1.5rem; font-weight: 700; color: var(--navy); line-height: 1.3; }
.pc-form b.pos { color: var(--green); }
.pc-form b.neg { color: var(--red); }
.pc-py { display: none; font-size: 0.78rem; color: var(--red); margin-top: 0.2rem; }
body.show-py .pc-py { display: block; }
.pc-gloss { font-size: 0.82rem; color: var(--muted); margin-top: 0.55rem; line-height: 1.5; }

/* the contrast footnote: 听不懂 vs 没听懂 */
.pc-note {
  margin-top: 1.1rem; padding: 0.85rem 1.1rem;
  background: var(--cream); border-left: 4px solid var(--gold); border-radius: 6px;
  font-size: 0.86rem; color: var(--ink); line-height: 1.6;
}
.pc-note b { color: var(--navy); }

/* ── Referent vignettes (cute picture-diagrams of the things) ── */
.vignette { margin: 1.75rem auto 0.25rem; max-width: 320px; text-align: center; }
.vignette.vignette-wide { max-width: 500px; }
.vignette svg { width: 100%; height: auto; display: block; }
.vignette figcaption {
  margin-top: 0.55rem; font-size: 0.78rem; color: var(--muted); letter-spacing: 0.02em;
}
.vignette figcaption b { color: var(--navy); font-weight: 700; }

/* ── At-a-glance 速查: cheat-sheet table + quick-pattern crib ── */
/* This section is a deliberate escape hatch from the page's listen-first
   toggles — pinyin and English stay ON here, because a crib is for glancing. */
.crib-intro {
  font-size: 0.72rem; color: var(--muted); font-style: italic;
  margin-bottom: 1rem;
}
.crib-wrap { overflow-x: auto; margin-bottom: 2rem; }
.crib-table {
  width: 100%; border-collapse: collapse; font-size: 0.92rem;
  background: white; border: 1px solid var(--border); border-radius: 10px;
  overflow: hidden;
}
.crib-table th {
  text-align: left; font-size: 0.6rem; letter-spacing: 0.2em; text-transform: uppercase;
  font-weight: 700; color: var(--muted); padding: 0.7rem 0.9rem;
  border-bottom: 2px solid var(--border); background: var(--cream);
}
.crib-cat td {
  font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase; font-weight: 700;
  color: var(--gold); padding: 0.85rem 0.9rem 0.35rem;
  border-bottom: 1px solid var(--border);
}
.crib-cat td b { color: var(--navy); font-size: 0.82rem; letter-spacing: 0; text-transform: none; }
.crib-table td { padding: 0.5rem 0.9rem; border-bottom: 1px solid var(--border); vertical-align: baseline; }
.crib-table tr:last-child td { border-bottom: none; }
.crib-zi {
  font-family: 'KaiTi','STKaiti','Noto Serif CJK SC',serif;
  font-size: 1.4rem; font-weight: 700; color: var(--navy); white-space: nowrap;
}
.crib-py  { color: var(--red); font-size: 0.82rem; white-space: nowrap; }
.crib-en  { color: var(--ink); }
.crib-zh  { color: var(--muted); font-size: 0.82rem; }

.crib-patterns {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 0.9rem;
}
.crib-card {
  background: white; border: 1px solid var(--border); border-radius: 10px;
  border-top: 3px solid var(--gold); padding: 0.95rem 1.1rem;
}
.crib-card h3 {
  margin: 0 0 0.45rem; font-size: 1.05rem; color: var(--navy); font-weight: 700;
}
.crib-card h3 .py { color: var(--red); font-size: 0.72rem; font-weight: 600; margin-left: 0.4rem; }
.crib-card p { margin: 0; font-size: 0.84rem; line-height: 1.55; color: var(--ink); }
.crib-card .vs { color: var(--muted); }
.crib-card b.pos { color: var(--green); }
.crib-card b.neg { color: var(--red); }
.crib-card .eg { display: block; margin-top: 0.5rem; font-size: 0.8rem; color: var(--muted); }

/* ── Animated stroke strip (米字格 tiles, HanziWriter) ──── */
.stroke-strip {
  display: flex; flex-wrap: wrap; gap: 0.9rem; justify-content: center;
  margin: 1.75rem 0 0.5rem;
}
.sw-tile { text-align: center; }
.sw-grid {
  position: relative; width: 92px; height: 92px; margin: 0 auto;
  background: white; border: 1px solid var(--border); border-radius: 6px;
  cursor: pointer;
}
.sw-grid svg.mz { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.sw-hw { position: absolute; inset: 0; }
.sw-label {
  margin-top: 0.45rem; font-size: 0.82rem; color: var(--navy); font-weight: 700;
}
.sw-label .sw-py { color: var(--red); font-weight: 600; font-size: 0.72rem; margin-left: 0.15rem; }
.stroke-hint { text-align: center; font-size: 0.72rem; color: var(--muted); font-style: italic; margin-top: 0.35rem; }

/* ── Practice-passage label (real 课文 slots in later) ── */
.passage-note {
  font-size: 0.72rem; color: var(--muted); font-style: italic;
  margin-bottom: 1rem; padding-bottom: 0.6rem; border-bottom: 1px dashed var(--border);
}