/* Exam mode: bank-agnostic test taking UI */

/* ---- List ---- */
.exam-list { display: flex; flex-direction: column; gap: 12px; max-width: 760px; margin: 0 auto; }
.exam-item {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 16px 20px; background: var(--bg-secondary); border-radius: 12px;
}
.exam-info { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.exam-meta { font-size: 13px; color: var(--text-tertiary); }
.exam-actions { display: flex; gap: 8px; flex-shrink: 0; align-items: center; }
.exam-badge { font-size: 12px; padding: 2px 10px; border-radius: 999px; width: fit-content; }
.exam-badge.ok { background: rgba(42,122,74,.12); color: var(--green-deep, #2a7a4a); }
.exam-badge.locked { background: rgba(0,0,0,.06); color: var(--text-tertiary); }

/* ---- Taking layout ---- */
.exam-wrap { display: flex; gap: 20px; max-width: 1100px; margin: 0 auto; padding: 0 16px; }
.exam-main { flex: 1; min-width: 0; }
.exam-side {
  width: 230px; flex-shrink: 0; align-self: flex-start; position: sticky; top: 70px;
  background: var(--bg-secondary); border-radius: 12px; padding: 16px;
  display: flex; flex-direction: column; gap: 12px;
}
.exam-topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  max-width: 1100px; margin: 0 auto 14px; padding: 0 16px;
}
.exam-title { font-weight: 600; font-size: 15px; color: var(--text-primary);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.exam-timer {
  font-variant-numeric: tabular-nums; font-size: 20px; font-weight: 700;
  color: var(--accent); background: var(--bg-secondary); border-radius: 10px; padding: 4px 14px;
}
.exam-timer.danger { color: #c0392b; animation: examPulse 1s infinite; }
@keyframes examPulse { 50% { opacity: .55; } }

/* Question */
.exam-qmeta { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--text-tertiary); margin-bottom: 8px; }
.flag-btn { margin-left: auto; border: none; background: none; cursor: pointer; font-size: 13px; color: var(--text-tertiary); padding: 2px 6px; border-radius: 6px; }
.flag-btn.on { color: var(--accent); font-weight: 600; background: rgba(230,126,80,.1); }
.exam-opt { width: 100%; text-align: left; }
.exam-opt.picked { border-color: var(--accent); background: rgba(230,126,80,.08); }
.exam-nav { display: flex; justify-content: space-between; gap: 10px; margin-top: 14px; }

/* Answer card grid */
.card-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; }
.cell {
  aspect-ratio: 1; border: 1.5px solid var(--border); border-radius: 8px;
  background: var(--bg-primary); color: var(--text-secondary); font-size: 13px;
  cursor: pointer; position: relative; font-family: inherit;
}
.cell.answered { background: var(--accent); border-color: var(--accent); color: #fff; }
.cell.current { outline: 2.5px solid var(--text-primary); outline-offset: 1px; }
.cell.flagged::after {
  content: ''; position: absolute; top: -3px; right: -3px; width: 9px; height: 9px;
  border-radius: 50%; background: #e67e3c; border: 1.5px solid #fff;
}
.card-legend { display: flex; flex-wrap: wrap; gap: 8px; font-size: 11px; color: var(--text-tertiary); }
.card-legend i.lg { display: inline-block; width: 10px; height: 10px; border-radius: 3px;
  background: var(--bg-primary); border: 1.5px solid var(--border); margin-right: 3px; vertical-align: -1px; }
.card-legend i.lg.answered { background: var(--accent); border-color: var(--accent); }
.card-legend i.lg.flagged::after { content: ''; position: absolute; }
.exam-submit { width: 100%; }

/* Mobile: side panel becomes a bottom sheet */
.exam-card-toggle { display: none; }
.exam-side-overlay { display: none; }

@media (max-width: 1023px) {
  .exam-card-toggle { display: inline-flex; }
  .exam-side {
    position: fixed; left: 0; right: 0; bottom: 0; top: auto; width: 100%;
    transform: translateY(100%); transition: transform .25s ease; z-index: 60;
    border-radius: 16px 16px 0 0; max-height: 65vh; overflow-y: auto;
    box-shadow: 0 -8px 30px rgba(0,0,0,.15);
  }
  .exam-side.open { transform: translateY(0); }
  .exam-side-overlay.show {
    display: block; position: fixed; inset: 0; background: rgba(0,0,0,.35); z-index: 55;
  }
}

/* ---- Result / review / history ---- */
.exam-result { text-align: center; max-width: 480px; margin: 40px auto; }
.score-big { font-size: 72px; font-weight: 800; color: var(--accent); line-height: 1.1; }
.score-big span { font-size: 24px; font-weight: 500; color: var(--text-tertiary); }
.center { text-align: center; }
.exam-result-actions { display: flex; gap: 10px; justify-content: center; margin-top: 22px; }

.exam-table { width: 100%; max-width: 820px; margin: 0 auto; border-collapse: collapse;
  background: var(--bg-secondary); border-radius: 12px; overflow: hidden; }
.exam-table th, .exam-table td { padding: 10px 14px; text-align: left; font-size: 14px; }
.exam-table thead tr { background: rgba(0,0,0,.04); color: var(--text-tertiary); font-size: 12px; }
.exam-table tbody tr + tr { border-top: 1px solid var(--border); }

.review-q .option.wrong { border-color: #c0392b; background: rgba(192,57,43,.07); }
.opt-icon.bad { color: #c0392b; font-size: 12px; white-space: nowrap; }
.verdict { margin-left: auto; font-weight: 600; font-size: 13px; }
.verdict.ok { color: #2a7a4a; } .verdict.bad { color: #c0392b; }
.flag-mark { color: var(--accent); font-size: 12px; font-weight: 600; }
.exam-unanswered { font-size: 13px; color: var(--text-tertiary); margin-top: 6px; }

/* Bank switcher (top bar) */
.bank-switcher { position: relative; }
.bank-btn { display: flex; align-items: center; gap: 6px; cursor: pointer; border: none;
  background: none; font-family: inherit; }
.bank-current { font-size: 12px; color: var(--text-tertiary); max-width: 90px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bank-caret { font-size: 10px; color: var(--text-tertiary); }
.bank-menu {
  position: absolute; top: calc(100% + 6px); left: 0; z-index: 70; min-width: 220px;
  background: var(--bg-primary); border-radius: 12px; padding: 6px;
  box-shadow: 0 8px 30px rgba(0,0,0,.14); display: flex; flex-direction: column; gap: 2px;
}
.bank-menu.hidden { display: none; }
.bank-item {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 9px 12px; border: none; background: none; border-radius: 8px; cursor: pointer;
  font-family: inherit; font-size: 14px; color: var(--text-primary); text-align: left;
}
.bank-item:hover { background: var(--bg-secondary); }
.bank-item.active { background: rgba(230,126,80,.1); font-weight: 600; }
.bank-count { font-size: 12px; color: var(--text-tertiary); }