/* =========================================================================
   fase-d/mpi-2.3/styles.css
   Penjumlahan & Pengurangan Pecahan dalam Masalah Kontekstual — Fase D
   (Problem Based Learning)

   Hanya memuat gaya yang KHAS modul ini. Seluruh dasar design system
   (panel, tombol, kotak umpan balik, pilihan ganda, pemilahan, pertanyaan
   penuntun, perbandingan dugaan .dugaan-row, kartu ringkasan, urut-ketuk,
   papan info .info-poster, navigasi tahap, modal), chip bilangan
   .num-chip, garis bilangan pecahan .frac-nl, dan Lab Pita .pita-op
   berasal dari shared/base.css.
   ========================================================================= */

/* -------------------------------------------------------------------------
   Tahap 1 — Orientasi: catatan persiapan stand
   ------------------------------------------------------------------------- */

.catatan-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.catatan-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-width: 0;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-top: 5px solid var(--color-orange);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.catatan-card__head {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.catatan-card__ikon {
  font-size: 1.4rem;
}

.catatan-card__judul {
  margin: 0;
  font-size: 0.98rem;
}

.catatan-card__teks {
  margin: 0;
  font-size: 0.92rem;
  color: var(--color-ink-muted);
}

.data-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.data-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  min-height: 36px;
}

.data-row__nama {
  flex: 1 1 8rem;
  font-weight: 600;
}

.data-row__nilai {
  white-space: nowrap;
}

.num-chip--tanya {
  border-style: dashed;
  color: var(--color-purple-strong);
}

/* -------------------------------------------------------------------------
   Kalimat operasi berchip: a + b = hasil
   ------------------------------------------------------------------------- */

.kalimat-op {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1) var(--space-2);
  vertical-align: middle;
}

.kalimat-op__sym {
  font-weight: 700;
  color: var(--color-ink-muted);
}

/* -------------------------------------------------------------------------
   Tahap 3–6 — langkah isian & kartu Lab Pita
   ------------------------------------------------------------------------- */

.langkah-op-list,
.lab-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.langkah-op {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.langkah-op .pita-op--tetap {
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: var(--color-bg);
}

.lab-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-width: 0;
  padding: var(--space-4);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.lab-card.is-done {
  border-color: var(--color-success);
}

.lab-card__judul {
  margin: 0;
  font-weight: 600;
}

.isian-op__input {
  flex: 1 1 9rem;
  max-width: 14rem;
}

/* -------------------------------------------------------------------------
   Temuan, hipotesis & papan solusi
   ------------------------------------------------------------------------- */

.temuan-list {
  margin: 0;
  padding-left: var(--space-5);
  line-height: 1.7;
}

.hipotesis-box {
  margin-top: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-left: 4px solid var(--color-purple);
  border-radius: var(--radius-md);
  background: var(--color-purple-soft);
}

.hipotesis-box__label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-purple-strong);
}

.hipotesis-box p {
  margin: var(--space-1) 0 var(--space-2);
  font-style: italic;
}

#posterWrap {
  margin: var(--space-4) 0;
}

/* -------------------------------------------------------------------------
   Tahap Uji Terap & Selesai
   ------------------------------------------------------------------------- */

.dl-exercise .dl-input-row .input-text {
  flex: 1 1 10rem;
  max-width: 16rem;
}

.contoh-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-3);
  margin: var(--space-4) 0;
}

.contoh-grid .formula-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
}

/* -------------------------------------------------------------------------
   Responsif
   ------------------------------------------------------------------------- */

@media (max-width: 600px) {
  .lab-card {
    padding: var(--space-3);
  }

  .isian-op__input {
    max-width: none;
  }
}