/* ==========================================================================
   KOMPONEN: Card — kartu dasar + varian (modul, karakter, lanjutkan, statistik)
   ========================================================================== */
.c-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  padding: var(--space-3);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition:
    border-color var(--dur-fast) var(--ease),
    transform var(--dur-fast) var(--ease),
    box-shadow var(--dur-fast) var(--ease);
}
.c-card.interactive {
  cursor: pointer;
}
.c-card.interactive:hover {
  border-color: var(--indigo-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.c-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at top right, var(--indigo-ghost), transparent 60%);
}
/* Sapuan cahaya halus saat kartu interaktif di-hover (lihat kfShine, css/animation.css) */
.c-card.interactive::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -10%;
  width: 40%;
  height: 200%;
  background: linear-gradient(100deg, transparent, rgba(245, 240, 228, 0.09), transparent);
  transform: translateX(-120%) rotate(8deg);
  pointer-events: none;
  z-index: 1;
}
.c-card.interactive:hover::before {
  animation: kfShine 0.85s ease;
}

/* ---- Kartu modul belajar (hub / dashboard) ---- */
.module-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: var(--space-3);
  background: var(--ink-3);
  border-color: var(--border-light);
}
.module-card .m-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.module-card .m-glyph {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 28px;
  line-height: 1;
  color: var(--indigo-light);
  transition:
    transform var(--dur-fast) var(--ease),
    color var(--dur-fast) var(--ease);
}
.module-card:hover .m-glyph {
  animation: kfIconSwap 0.45s var(--ease) forwards;
  color: var(--gold-light);
}
.module-card .m-badge {
  font-size: 10px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background: var(--ink-5);
  color: var(--text-soft);
  border: 1px solid var(--border-light);
}
.module-card .m-title {
  font-weight: 700;
  font-size: 15px;
  color: var(--text);
  margin: 0;
}
.module-card .m-desc {
  font-size: 12px;
  color: var(--text-faint);
  line-height: 1.55;
  margin: 0;
}
.module-card .m-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: var(--text-faint);
  font-family: var(--font-mono);
}

/* ---- Kartu karakter (kana/kanji grid) ---- */
.char-card {
  aspect-ratio: 1;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  background: var(--color-surface);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition:
    border-color var(--dur-fast) var(--ease),
    transform var(--dur-fast) var(--ease),
    box-shadow var(--dur-fast) var(--ease);
}
.char-card:hover {
  border-color: var(--indigo-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.char-card.mastered {
  border-color: var(--gold-dim);
  background: linear-gradient(135deg, var(--ink-2), var(--gold-ghost));
}
.char-card.mastered::after {
  content: "済";
  position: absolute;
  top: 3px;
  right: 5px;
  font-size: 9px;
  color: var(--gold-light);
  font-family: var(--font-display);
}
.char-card .glyph {
  font-family: var(--font-display);
  font-size: 28px;
  line-height: 1;
}
.char-card .romaji {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--indigo-light);
  opacity: 0;
  transition: opacity var(--dur-fast) var(--ease);
}
/* Romaji muncul saat hover (desktop), flip (mobile tap pertama), atau sudah dikuasai */
.char-card:hover .romaji,
.char-card.flipped .romaji,
.char-card.mastered .romaji {
  opacity: 1;
}

/* ---- Kartu "lanjutkan belajar" ---- */
.continue-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--color-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  cursor: pointer;
  transition:
    border-color var(--dur-fast) var(--ease),
    transform var(--dur-fast) var(--ease);
}
.continue-card:hover {
  border-color: var(--indigo-light);
  transform: translateY(-1px);
}
.continue-card .cc-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 22px;
  flex-shrink: 0;
  background: var(--indigo-ghost);
  color: var(--indigo-light);
}
.continue-card .cc-text {
  flex: 1;
  min-width: 0;
}
.continue-card .cc-label {
  font-size: 9.5px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-family: var(--font-mono);
}
.continue-card .cc-title {
  font-size: 14px;
  font-weight: 700;
  margin-top: 1px;
  color: var(--text);
}
.continue-card .cc-sub {
  font-size: 11px;
  color: var(--text-faint);
  margin-top: 1px;
}
.continue-card .cc-arrow {
  font-size: 20px;
  color: var(--text-faint);
  flex-shrink: 0;
}

/* ---- Kartu statistik ---- */
.stats-card {
  padding: var(--space-3);
}
.stats-card .sc-num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--gold-light);
  margin-bottom: 2px;
}
.stats-card .sc-lbl {
  font-size: 11px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.stats-card .sc-trend {
  font-size: 10px;
  margin-top: 4px;
  font-family: var(--font-mono);
}
.stats-card .sc-trend.up {
  color: var(--jade-light);
}
.stats-card .sc-trend.down {
  color: var(--shu-light);
}

/* ---- Kartu hub belajar (lebih besar, untuk halaman index kategori) ---- */
.learn-section-card {
  padding: var(--space-4);
  cursor: pointer;
}
.learn-section-card .lsc-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.learn-section-card .lsc-glyph {
  font-family: var(--font-display);
  font-size: 32px;
}
.learn-section-card .lsc-badge {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: var(--ink-4);
  color: var(--text-faint);
  border: 1px solid var(--border);
  font-family: var(--font-mono);
}
.learn-section-card .lsc-title {
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 4px;
  color: var(--text);
}
.learn-section-card .lsc-desc {
  font-size: 12px;
  color: var(--text-faint);
  line-height: 1.55;
}
.learn-section-card .lsc-progress {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
}
.learn-section-card .lsc-progress .c-progressbar {
  flex: 1;
  height: 5px;
}
.learn-section-card .lsc-pct {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-faint);
  white-space: nowrap;
}

/* ---- Item ulasan (review) ---- */
.review-item {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  text-align: left;
  font: inherit;
  padding: 10px 14px;
  cursor: pointer;
  border-radius: var(--radius-sm);
}
.review-item .ri-badge {
  padding: 4px 10px;
  border-radius: var(--radius-xs);
  font-family: var(--font-display);
  font-size: 16px;
  background: var(--indigo-ghost);
  color: var(--indigo-light);
}
.review-item .ri-content {
  flex: 1;
  min-width: 0;
}
.review-item .ri-word {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}
.review-item .ri-meta {
  font-size: 11px;
  color: var(--text-faint);
}
.review-item .ri-status {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: var(--shu-ghost);
  color: var(--shu-light);
  font-family: var(--font-mono);
  white-space: nowrap;
}
.review-item.done {
  opacity: 0.55;
  cursor: default;
}
.review-item.done .ri-status {
  background: var(--jade-ghost);
  color: var(--jade-light);
}

/* ---- Kartu pencapaian ---- */
.ach-card {
  text-align: center;
  padding: var(--space-3);
}
.ach-card .ach-icon {
  font-size: 36px;
  margin-bottom: 10px;
  display: block;
  filter: grayscale(1) opacity(0.35);
  transition: filter var(--dur-med) var(--ease);
}
.ach-card.unlocked {
  border-color: var(--gold-dim);
  background: linear-gradient(135deg, var(--ink-2), var(--gold-ghost));
}
.ach-card.unlocked .ach-icon {
  filter: none;
}
.ach-card .ach-name {
  font-weight: 700;
  font-size: 13.5px;
  margin-bottom: 3px;
  color: var(--text);
}
.ach-card .ach-desc {
  font-size: 11px;
  color: var(--text-faint);
  line-height: 1.4;
}
.ach-card.unlocked .ach-desc {
  color: var(--text-soft);
}
.ach-card .ach-badge {
  font-family: var(--font-mono);
  font-size: 9px;
  margin-top: 8px;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  display: inline-block;
}
.ach-card .ach-badge.unlocked-badge {
  background: var(--gold-ghost);
  color: var(--gold-light);
  border: 1px solid var(--gold-dim);
}
.ach-card .ach-badge.locked-badge {
  background: var(--ink-4);
  color: var(--text-faint);
  border: 1px solid var(--border);
}