/* সৃজনশীল (CQ) tab — works with the existing ex-card / omr-chip / btn styles */
.cq-bar { position: sticky; top: 0; z-index: 5; display: flex; justify-content: space-between; align-items: center; gap: .8rem; padding: .6rem .9rem; margin: 0 0 .5rem;
  border-radius: 12px; background: var(--accent-soft); border: 1px solid var(--accent-soft-border); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.cq-timer { font-variant-numeric: tabular-nums; font-weight: 800; font-size: 1.25rem; color: var(--accent); }
.cq-timer.low { color: var(--danger); }
.cq-q { border: 1px solid var(--hairline); border-radius: 14px; padding: .9rem 1rem; margin: .9rem 0; background: rgba(255,255,255,.6); }
.cq-stem { display: flex; gap: .7rem; align-items: flex-start; white-space: pre-wrap; line-height: 1.7; padding-bottom: .6rem; border-bottom: 1px dashed var(--hairline); margin-bottom: .6rem; }
.cq-qn { flex: none; width: 1.9rem; height: 1.9rem; display: grid; place-items: center; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 800; font-size: .9rem; }
.cq-part { padding: .6rem 0; }
.cq-part + .cq-part { border-top: 1px solid var(--hairline); }
.cq-prompt { font-weight: 600; margin-bottom: .45rem; line-height: 1.6; }
.cq-text { width: 100%; min-height: 6.5rem; resize: vertical; line-height: 1.7; }
.cq-photos { display: flex; flex-wrap: wrap; gap: .5rem; margin: .5rem 0; }
.cq-ph { position: relative; display: inline-block; }
.cq-ph img { height: 110px; max-width: 100%; border-radius: 8px; border: 1px solid var(--hairline); background: #fff; cursor: zoom-in; display: block; }
.cq-x { position: absolute; top: -6px; right: -6px; width: 22px; height: 22px; border-radius: 50%; border: none; background: var(--danger); color: #fff; font-size: 14px; line-height: 1; cursor: pointer; }
.cq-add { cursor: pointer; display: inline-flex; }
.cq-add.disabled { opacity: .5; pointer-events: none; }
.cq-go { text-align: center; margin: 1.2rem 0 .4rem; }
.cq-score { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin: .9rem 0 .5rem; }
.cq-note { padding: .6rem .8rem; border-radius: 10px; background: var(--accent-soft); }
.cq-ans { white-space: pre-wrap; padding: .5rem .7rem; border-radius: 8px; background: rgba(15,23,42,.05); line-height: 1.7; }
.cq-fb { margin-top: .4rem; padding: .45rem .7rem; border-left: 3px solid var(--accent); line-height: 1.6; }
.cq-model { margin-top: .4rem; font-size: .9rem; }
.cq-model summary { cursor: pointer; color: var(--accent); font-weight: 600; }
.cq-model div { white-space: pre-wrap; margin-top: .3rem; line-height: 1.7; }
.cq-res.full .cq-prompt { color: var(--success); }
.cq-res.zero .cq-prompt { color: var(--danger); }

/* MCQ + written combined exam cards */
.cb-card { display: block; }
.cb-head { display: flex; justify-content: space-between; align-items: flex-start; gap: .8rem; flex-wrap: wrap; margin-bottom: .5rem; }
.cb-part { display: flex; justify-content: space-between; align-items: center; gap: .8rem; flex-wrap: wrap; padding: .65rem .8rem; margin-top: .5rem; border-radius: 12px; border: 1px solid var(--hairline); background: var(--accent-soft); }
.cb-part.st-done { opacity: .85; }
.cb-note { margin: .6rem 0 0; }
.cb-result { margin-top: .7rem; display: flex; align-items: center; gap: .8rem; flex-wrap: wrap; }