/* NEW FEATURE: Quiz System */

:root{
  --quiz-bg:#0b1226;
  --quiz-card:#0e1428;
  --quiz-border:rgba(201,168,76,0.25);
  --quiz-gold:#C9A84C;
  --quiz-text:#F0EEE8;
  --quiz-muted:rgba(240,238,232,0.7);
}

/* NEW FEATURE: Quiz System */
.ten-quiz-overlay{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,0.55);
  z-index:9998;
  display:none;
  align-items:center;
  justify-content:center;
  padding:18px;
}

/* NEW FEATURE: Quiz System */
.ten-quiz-card{
  width:min(900px, 100%);
  background:var(--quiz-card);
  border:1px solid var(--quiz-border);
  border-radius:16px;
  box-shadow:0 20px 60px rgba(0,0,0,0.55);
  padding:18px;
  color:var(--quiz-text);
}

/* NEW FEATURE: Quiz System */
.ten-quiz-top{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:14px;
  margin-bottom:12px;
}

/* NEW FEATURE: Quiz System */
.ten-quiz-title{
  font-weight:800;
  letter-spacing:0.2px;
  font-size:18px;
}

/* NEW FEATURE: Quiz System */
.ten-quiz-sub{
  margin-top:4px;
  color:var(--quiz-muted);
  font-size:13px;
}

/* NEW FEATURE: Quiz System */
.ten-quiz-timer{
  font-size:22px;
  font-weight:900;
  letter-spacing:0.6px;
  min-width:90px;
  text-align:right;
}

/* NEW FEATURE: Quiz System */
.ten-quiz-qmeta{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:10px;
  margin:10px 0 14px;
}

/* NEW FEATURE: Quiz System */
.ten-quiz-qcount{
  font-size:13px;
  color:var(--quiz-muted);
}

/* NEW FEATURE: Quiz System */
.ten-quiz-progress{
  flex:1;
  height:10px;
  background:rgba(255,255,255,0.06);
  border-radius:999px;
  overflow:hidden;
  max-width:320px;
}

/* NEW FEATURE: Quiz System */
.ten-quiz-progress > div{
  height:100%;
  width:0%;
  background:linear-gradient(90deg, rgba(201,168,76,0.4), rgba(201,168,76,1));
}

/* NEW FEATURE: Quiz System */
.ten-quiz-question{
  font-size:17px;
  font-weight:700;
  line-height:1.35;
  margin-bottom:12px;
}

/* NEW FEATURE: Quiz System */
.ten-quiz-options{
  display:grid;
  grid-template-columns:1fr;
  gap:10px;
  margin-bottom:16px;
}

/* NEW FEATURE: Quiz System */
.ten-quiz-option{
  border:1px solid rgba(255,255,255,0.12);
  background:rgba(255,255,255,0.03);
  padding:12px 12px;
  border-radius:12px;
  cursor:pointer;
  display:flex;
  gap:10px;
  align-items:flex-start;
}

/* NEW FEATURE: Quiz System */
.ten-quiz-option:hover{
  border-color:rgba(201,168,76,0.35);
}

/* NEW FEATURE: Quiz System */
.ten-quiz-option.selected{
  border-color:rgba(201,168,76,0.9);
  box-shadow:0 0 0 2px rgba(201,168,76,0.18) inset;
  background:rgba(201,168,76,0.08);
}

/* NEW FEATURE: Quiz System */
.ten-quiz-opt-key{
  color:var(--quiz-gold);
  font-weight:900;
  min-width:18px;
}

/* NEW FEATURE: Quiz System */
.ten-quiz-actions{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:10px;
  margin-top:10px;
}

/* NEW FEATURE: Quiz System */
.ten-quiz-btn{
  background:rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.14);
  color:var(--quiz-text);
  border-radius:12px;
  padding:10px 12px;
  font-weight:800;
  cursor:pointer;
}

/* NEW FEATURE: Quiz System */
.ten-quiz-btn.primary{
  background:linear-gradient(135deg, rgba(201,168,76,0.85), rgba(212,175,55,0.85));
  color:#0b1226;
  border:1px solid rgba(201,168,76,0.85);
}

/* NEW FEATURE: Quiz System */
.ten-quiz-btn:disabled{
  opacity:0.5;
  cursor:not-allowed;
}

/* NEW FEATURE: Quiz System */
.ten-quiz-result{
  text-align:center;
  padding:18px 10px 6px;
}

/* NEW FEATURE: Quiz System */
.ten-quiz-score{
  font-size:34px;
  font-weight:1000;
}

/* NEW FEATURE: Quiz System */
.ten-quiz-passfail{
  margin-top:6px;
  font-weight:900;
  letter-spacing:0.4px;
}

/* NEW FEATURE: Quiz System */
.ten-quiz-review{
  margin-top:16px;
  text-align:left;
  max-height:320px;
  overflow:auto;
  border-top:1px solid rgba(255,255,255,0.08);
  padding-top:12px;
}

/* NEW FEATURE: Quiz System */
.ten-quiz-review-item{
  padding:10px 0;
  border-bottom:1px solid rgba(255,255,255,0.06);
}

/* NEW FEATURE: Quiz System */
.ten-quiz-review-q{
  font-weight:800;
  margin-bottom:6px;
}

/* NEW FEATURE: Quiz System */
.ten-quiz-review-meta{
  color:var(--quiz-muted);
  font-size:13px;
  line-height:1.35;
}

/* NEW FEATURE: Quiz System */
#camera-preview-box{
  position: fixed;
  top: 16px;
  right: 16px;
  width: 160px;
  height: 120px;
  border: 2px solid var(--quiz-gold);
  border-radius: 8px;
  overflow: hidden;
  z-index: 9999;
  background: #000;
  display:none;
}

/* NEW FEATURE: Quiz System */
#camera-preview-box video{
  width:100%;
  height:100%;
  object-fit:cover;
  transform:scaleX(-1);
}

/* NEW FEATURE: Quiz System */
#camera-preview-live{
  position:absolute;
  bottom:4px;
  left:50%;
  transform:translateX(-50%);
  background:rgba(0,0,0,0.6);
  color:#fff;
  font-size:9px;
  padding:2px 6px;
  border-radius:4px;
}