/* ===== PRACTICE MCQ PAGE ===== */
#enp-practice-app {
  max-width: 780px; margin: 0 auto; padding: 1.5rem 1rem 4rem;
  font-family: 'Inter', sans-serif;
}

/* Screens */
.pmc-screen { display: none; }
.pmc-screen.active { display: block; }

/* ── Selector screen ── */
.pmc-hero {
  text-align: center; padding: 2rem 1rem 1.5rem;
}
.pmc-hero h1 {
  font-size: 1.8rem; font-weight: 800; color: #0a1a2f;
  letter-spacing: -0.03em; margin-bottom: 0.4rem;
}
.pmc-hero p { font-size: 0.95rem; color: #7a8aa0; }

.pmc-badges {
  display: flex; justify-content: center; gap: 0.6rem; flex-wrap: wrap; margin: 1rem 0 1.5rem;
}
.pmc-badge {
  background: #f0f5fe; color: #4a5a72; font-size: 0.75rem; font-weight: 600;
  padding: 0.3rem 0.8rem; border-radius: 20px;
}

.pmc-topic-card {
  background: white; border: 1px solid #eef4fc; border-radius: 20px;
  padding: 1.5rem; margin-bottom: 1rem;
}
.pmc-topic-card label {
  display: block; font-size: 0.75rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.05em; color: #7a8aa0; margin-bottom: 0.6rem;
}
#pmc-topic-select {
  width: 100%; padding: 0.8rem 1rem; border: 1px solid #d5dee9; border-radius: 12px;
  font-size: 0.95rem; color: #0a1a2f; background: #f8faff; outline: none;
  appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%237a8aa0' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 1rem center; cursor: pointer;
}
#pmc-topic-select:focus { border-color: #0a1a2f; }

#pmc-load-btn {
  width: 100%; padding: 0.9rem; background: var(--amber, #f59e0b); color: var(--ink, #0a1a2f);
  border: none; border-radius: 14px; font-size: 1rem; font-weight: 700;
  cursor: pointer; transition: 0.2s; margin-top: 0.8rem;
}
#pmc-load-btn:hover:not(:disabled) { filter: brightness(0.95); }
#pmc-load-btn:disabled { background: #c5cdd9; color: #fff; cursor: not-allowed; }
@media (min-width: 481px) {
  #pmc-load-btn { width: auto; min-width: 220px; max-width: 260px; display: block; margin: 0.8rem auto 0; padding: 0.7rem 1.5rem; font-size: 0.9rem; }
}

.pmc-selector-note {
  text-align: center; font-size: 0.8rem; color: #7a8aa0; margin-top: 1rem;
}

/* ── Questions screen ── */
.pmc-qs-header {
  display: flex; align-items: center; gap: 1rem; margin-bottom: 1.5rem;
  padding-bottom: 1rem; border-bottom: 1px solid #f0f4fc; flex-wrap: wrap;
}
.pmc-back-btn {
  background: none; border: 1px solid #d5dee9; border-radius: 20px;
  padding: 0.4rem 1rem; font-size: 0.82rem; cursor: pointer; color: #1f3349;
  white-space: nowrap;
}
.pmc-back-btn:hover { border-color: #0a1a2f; }
.pmc-qs-topic { font-weight: 700; color: #0a1a2f; font-size: 1rem; }
.pmc-qs-count { margin-left: auto; font-size: 0.8rem; color: #7a8aa0; }

.pmc-qs-toolbar {
  display: flex; justify-content: flex-end; width: 100%; margin-top: -0.6rem;
}
.pmc-lang-toggle {
  display: inline-flex; background: #f0f4fc; border-radius: 20px; padding: 3px;
}
.pmc-lang-btn {
  border: none; background: transparent; padding: 0.3rem 0.9rem; border-radius: 18px;
  font-size: 0.78rem; font-weight: 700; color: #7a8aa0; cursor: pointer; transition: 0.15s;
}
.pmc-lang-btn.active { background: #0a1a2f; color: #fff; }


/* Question cards */
.pmc-q-card {
  position: relative; overflow: hidden;
  background: linear-gradient(180deg, #fbfdff 0%, #ffffff 14%);
  border: 1.5px solid #e4ecf8; border-radius: 18px;
  padding: 1.5rem 1.4rem 1.4rem; margin-bottom: 1.1rem;
  box-shadow: 0 2px 10px rgba(10, 26, 47, 0.04);
  content-visibility: auto;
  contain-intrinsic-size: 260px;
  transition: box-shadow 0.2s, border-color 0.2s;
}
.pmc-q-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, #f59e0b, #7c3aed);
}
.pmc-q-card:hover { box-shadow: 0 6px 20px rgba(10, 26, 47, 0.08); }
.pmc-q-card.pmc-correct { border-color: #16a34a; background: linear-gradient(180deg, #f3fdf6 0%, #ffffff 20%); }
.pmc-q-card.pmc-correct::before { background: #16a34a; }
.pmc-q-card.pmc-wrong   { border-color: #dc2626; background: linear-gradient(180deg, #fef5f5 0%, #ffffff 20%); }
.pmc-q-card.pmc-wrong::before   { background: #dc2626; }

.pmc-q-num {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.7rem; font-weight: 800; text-transform: uppercase;
  letter-spacing: 0.05em; color: #b45309; margin-bottom: 0.7rem;
  background: #fff7ea; padding: 0.25rem 0.7rem; border-radius: 20px;
}
.pmc-q-text {
  font-size: 0.99rem; font-weight: 700; color: #0a1a2f;
  line-height: 1.5; margin-bottom: 1.1rem;
}

.pmc-options { display: grid; gap: 0.6rem; }
.pmc-opt {
  display: flex; align-items: center; gap: 0.75rem; padding: 0.75rem 1rem;
  border: 1.5px solid #e4ecf8; border-radius: 12px; cursor: pointer;
  transition: 0.15s; font-size: 0.88rem; color: #1f3349; user-select: none;
  background: #fbfdff;
}
.pmc-opt:hover:not(.pmc-disabled) { border-color: #f59e0b; background: #fffaf0; transform: translateX(2px); }
.pmc-opt.pmc-opt-correct { border-color: #16a34a; background: #f0fdf4; color: #15803d; font-weight: 700; }
.pmc-opt.pmc-opt-wrong   { border-color: #dc2626; background: #fef2f2; color: #dc2626; font-weight: 700; }
.pmc-opt.pmc-disabled { cursor: not-allowed; opacity: 0.6; }
.pmc-opt.pmc-disabled:hover { transform: none; }
.pmc-opt-letter {
  flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%;
  background: linear-gradient(135deg, #0a1a2f, #1f3349);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; font-weight: 700; color: #fff;
}
.pmc-opt.pmc-opt-correct .pmc-opt-letter { background: #16a34a; color: white; }
.pmc-opt.pmc-opt-wrong   .pmc-opt-letter { background: #dc2626; color: white; }

.pmc-explanation {
  display: none; margin-top: 0.8rem; padding: 0.8rem;
  background: #f8faff; border-radius: 10px;
  font-size: 0.82rem; color: #4a5a72; line-height: 1.6;
  border-left: 3px solid #7c3aed;
}
.pmc-explanation.visible { display: block; }

.pmc-share-row { display: none; margin-top: 0.6rem; }
.pmc-share-row.visible { display: block; }
.pmc-share-btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: transparent; border: 1.5px solid #d5dee9; border-radius: 20px;
  padding: 0.4rem 0.9rem; font-size: 0.78rem; font-weight: 600; color: #1f3349;
  cursor: pointer; transition: 0.15s; font-family: 'Inter', sans-serif;
}
.pmc-share-btn:hover { border-color: #0a1a2f; background: #f5f8fd; }

/* Submit / retry buttons */
#pmc-submit-btn {
  width: 100%; padding: 1rem; background: #0a1a2f; color: white;
  border: none; border-radius: 14px; font-size: 1rem; font-weight: 700;
  cursor: pointer; margin-top: 0.5rem; transition: 0.2s;
}
#pmc-submit-btn:hover { background: #1a2f4a; }

#pmc-retry-btn {
  width: 100%; padding: 0.9rem; background: transparent; color: #0a1a2f;
  border: 1.5px solid #0a1a2f; border-radius: 14px; font-size: 0.95rem;
  font-weight: 600; cursor: pointer; margin-top: 0.6rem; transition: 0.2s;
}
#pmc-retry-btn:hover { background: #f0f5fe; }

/* Pager (page-number navigation) */
.pmc-pager {
  display: flex; align-items: center; justify-content: center; gap: 0.5rem;
  margin: 0.5rem 0 1rem; flex-wrap: wrap;
}
.pmc-pager-nav {
  background: white; color: #0a1a2f; border: 1.5px solid #d5dee9;
  border-radius: 20px; padding: 0.5rem 1rem; font-size: 0.85rem; font-weight: 700;
  cursor: pointer; transition: 0.15s; white-space: nowrap;
}
.pmc-pager-nav:hover:not(:disabled) { border-color: #f59e0b; background: #fffaf0; }
.pmc-pager-nav:disabled { color: #c5cdd9; border-color: #eef4fc; cursor: not-allowed; }

.pmc-pager-nums { display: flex; align-items: center; gap: 0.3rem; flex-wrap: wrap; justify-content: center; }
.pmc-pager-num {
  min-width: 34px; height: 34px; padding: 0 0.4rem; background: white;
  border: 1.5px solid #eef4fc; border-radius: 10px; font-size: 0.85rem; font-weight: 700;
  color: #4a5a72; cursor: pointer; transition: 0.15s;
}
.pmc-pager-num:hover { border-color: #f59e0b; color: #0a1a2f; }
.pmc-pager-num.active { background: #0a1a2f; border-color: #0a1a2f; color: #fff; }
.pmc-pager-ellipsis {
  border: none; background: none; color: #c5cdd9; font-weight: 700; cursor: default;
  width: 20px;
}

@media (max-width: 480px) {
  .pmc-pager-nav { padding: 0.45rem 0.8rem; font-size: 0.78rem; }
  .pmc-pager-num { min-width: 30px; height: 30px; font-size: 0.78rem; }
}

/* Loading state */
.pmc-loading {
  text-align: center; padding: 3rem 1rem; color: #7a8aa0; font-size: 0.9rem;
}

/* Mobile tweaks */
@media (max-width: 480px) {
  .pmc-hero h1 { font-size: 1.4rem; }
  .pmc-q-card { padding: 1rem; }
  .pmc-q-text { font-size: 0.9rem; }
}