/* Interview prep kit pages — layered on lesson.css + project.css */

.iv-intro { margin: 6px 0 8px; }
.iv-rounds { margin: 6px 0 0; padding-left: 20px; display: grid; gap: 10px; }
.iv-rounds li { font-size: 14.5px; color: var(--text2); line-height: 1.6; }
.iv-rounds strong { color: var(--text); }
.iv-tip { display: block; margin-top: 3px; font-size: 13px; color: var(--text3); }

.iv-topic { scroll-margin-top: 120px; }
.iv-questions { list-style: none; display: grid; gap: 12px; margin: 4px 0 0; }
.iv-q { min-width: 0; display: flex; gap: 14px; align-items: flex-start; padding: 16px 18px; border-radius: 14px;
  border: 1px solid var(--border); background: rgba(255,255,255,0.02); transition: border-color .15s, background .15s; scroll-margin-top: 130px; }
.iv-q.known { border-color: rgba(52,211,153,0.35); background: rgba(52,211,153,0.05); }
.iv-tick { display: flex; flex-direction: column; align-items: center; gap: 6px; flex: none; cursor: pointer; }
.iv-tick input { width: 18px; height: 18px; accent-color: var(--green); cursor: pointer; }
.iv-tick-label { font-family: var(--mono); font-size: 10.5px; color: var(--text3); text-transform: uppercase; letter-spacing: .04em; }
.iv-q-body { flex: 1; min-width: 0; }
.iv-question { font-size: 15.5px; color: var(--text); line-height: 1.6; font-weight: 600; margin: 0; }
.iv-tests { font-size: 13px; color: var(--text3); line-height: 1.55; margin: 8px 0 0; }
.iv-tests-label { display: inline-block; font-family: var(--mono); font-size: 10.5px; text-transform: uppercase; letter-spacing: .04em;
  color: var(--accent); border: 1px solid var(--accent-border); border-radius: 5px; padding: 1px 6px; margin-right: 6px; }

.iv-answer { margin-top: 12px; border-top: 1px dashed var(--border2); }
.iv-answer > summary { cursor: pointer; list-style: none; font-family: var(--mono); font-size: 12.5px; color: var(--accent);
  padding: 10px 0 2px; display: inline-flex; align-items: center; gap: 7px; user-select: none; }
.iv-answer > summary::-webkit-details-marker { display: none; }
.iv-answer > summary::before { content: "▸"; font-size: 11px; transition: transform .15s; }
.iv-answer[open] > summary::before { transform: rotate(90deg); }
.iv-answer > summary:hover { color: var(--text); }
.iv-answer-body { font-size: 14.5px; color: var(--text2); line-height: 1.72; padding: 4px 0 4px; }
.iv-answer-body p { margin: 0 0 10px; }
.iv-answer-body ul, .iv-answer-body ol { margin: 8px 0; padding-left: 22px; }
.iv-answer-body li { margin: 4px 0; }
.iv-answer-body code { font-family: var(--mono); font-size: 12.5px; background: rgba(255,255,255,0.05); padding: 1px 5px; border-radius: 5px; overflow-wrap: anywhere; }
.iv-answer-body .code { margin: 12px 0; }
.iv-answer-body strong { color: var(--text); }

.iv-followups { margin-top: 10px; padding: 10px 12px; border-radius: 10px; background: rgba(255,255,255,0.02); border: 1px solid var(--border); }
.iv-followups strong { color: var(--text); font-size: 13px; }
.iv-followups ul { margin: 6px 0 0; padding-left: 20px; }
.iv-followups li { font-size: 13.5px; color: var(--text3); margin: 3px 0; }

.iv-resources { display: grid; gap: 9px; margin: 6px 0 0; padding-left: 20px; }
.iv-resources li { font-size: 14.5px; color: var(--text2); line-height: 1.6; }
.iv-resources a { color: var(--accent); }

@media (max-width: 720px) {
  .iv-q { padding: 14px; gap: 10px; }
  .iv-question { font-size: 15px; }
}