/* Mutations Lab — module-specific styles */

/* Mode bar (shared layout with Mendel) */
.mode-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.4rem 0.8rem;
  border-bottom: 1px solid var(--border);
  gap: 0.5rem;
}
.mode-tabs { display: flex; gap: 2px; }
.mode-tab {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 0.25rem 0.6rem;
  border-radius: 5px;
  cursor: pointer;
  font-size: 0.75rem;
  font-family: inherit;
  transition: all 0.12s;
}
.mode-tab:hover { color: var(--text-muted); border-color: var(--accent-dim); }
.mode-tab.active { background: var(--accent-dim); border-color: var(--accent); color: #fff; }

.depth-select {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.25rem 0.5rem;
  border-radius: 5px;
  font-size: 0.72rem;
  font-family: inherit;
  outline: none;
}

.mode-panel { display: none; }
.mode-panel.active { display: block; }

.back-link {
  color: var(--accent);
  text-decoration: none;
  font-size: 1.1rem;
  margin-right: 0.5rem;
  position: absolute;
  left: 0.6rem;
  top: 50%;
  transform: translateY(-50%);
}

/* ─── LEARN MODE ─── */

.step-indicator {
  display: flex;
  padding: 0.5rem 0.8rem;
  gap: 0.3rem;
  border-bottom: 1px solid var(--border);
}
.step {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.4rem;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: var(--bg);
  font-size: 0.7rem;
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.12s;
}
.step:hover { color: var(--text-muted); border-color: var(--accent-dim); }
.step.active { background: var(--accent-dim); border-color: var(--accent); color: #fff; }
.step.completed { color: var(--success); border-color: var(--success); }
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  font-weight: 700;
  font-size: 0.65rem;
}
.step-label { white-space: nowrap; }

.learn-step { display: none; padding: 0.7rem 0.8rem; }
.learn-step.active { display: block; }

.step-intro {
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--text-muted);
  margin-bottom: 0.7rem;
  padding: 0.5rem 0.6rem;
  background: rgba(6,182,212,0.05);
  border-left: 2px solid var(--accent);
  border-radius: 0 4px 4px 0;
}
.step-intro strong { color: var(--accent); }

/* CDS viewer (sequence of bases as colored blocks) */
.cds-viewer {
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
  padding: 0.5rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: 'SF Mono', Consolas, monospace;
  font-size: 0.78rem;
  margin-bottom: 0.5rem;
  min-height: 60px;
}
.codon-group {
  display: inline-flex;
  border-radius: 3px;
  overflow: hidden;
  margin-right: 4px;
  position: relative;
}
.codon-group .codon-label {
  position: absolute;
  bottom: -14px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.55rem;
  color: var(--text-dim);
  white-space: nowrap;
}
.codon-group.translated { background: rgba(16,185,129,0.15); }
.codon-group.start { background: rgba(16,185,129,0.3); border: 1px solid var(--success); }
.codon-group.stop { background: rgba(239,68,68,0.3); border: 1px solid var(--danger); }
.codon-group.active { box-shadow: 0 0 0 2px var(--accent); }
.codon-group.frameshift { background: rgba(239,68,68,0.15); border: 1px dashed var(--danger); }

.base {
  display: inline-block;
  width: 13px;
  height: 19px;
  text-align: center;
  line-height: 19px;
  font-weight: 700;
  color: var(--text);
}
.base.A { background: rgba(16,185,129,0.2); }
.base.T { background: rgba(239,68,68,0.2); }
.base.G { background: rgba(245,158,11,0.2); }
.base.C { background: rgba(59,130,246,0.2); }
.base.deleted { background: var(--danger); color: #fff; text-decoration: line-through; }
.base.inserted { background: var(--success); color: #fff; }
.base.changed { background: var(--warning); color: #000; }

.cds-viewer.interactive .base {
  cursor: pointer;
  transition: all 0.1s;
}
.cds-viewer.interactive .base:hover {
  transform: scale(1.3);
  z-index: 2;
  box-shadow: 0 0 0 1px var(--accent);
}

/* Base picker popover */
.base-picker {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--accent);
  border-radius: 6px;
  padding: 0.3rem;
  display: flex;
  gap: 3px;
  z-index: 100;
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
}
.base-picker .base-opt {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 700;
  font-family: monospace;
  border: 1px solid var(--border);
  background: var(--bg);
}
.base-picker .base-opt:hover { border-color: var(--accent); }
.base-picker .base-opt.current { opacity: 0.3; }

/* Protein viewer */
.protein-viewer {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  padding: 0.5rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: monospace;
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
  min-height: 30px;
}
.aa {
  display: inline-block;
  width: 18px;
  height: 22px;
  text-align: center;
  line-height: 22px;
  font-weight: 700;
  border-radius: 3px;
  background: rgba(6,182,212,0.15);
  border: 1px solid rgba(6,182,212,0.3);
}
.aa.start { background: rgba(16,185,129,0.3); border-color: var(--success); }
.aa.stop  { background: rgba(239,68,68,0.3); border-color: var(--danger); color: #fff; }
.aa.changed { background: var(--warning); color: #000; border-color: var(--warning); }
.aa.frameshift { background: rgba(239,68,68,0.4); color: #fff; border-color: var(--danger); }

/* Protein comparison rows */
.protein-comparison {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.4rem 0.6rem;
  margin-bottom: 0.5rem;
  font-family: monospace;
  font-size: 0.78rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.protein-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.protein-label {
  display: inline-block;
  min-width: 60px;
  font-size: 0.65rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.protein-seq {
  font-family: monospace;
  word-break: break-all;
  flex: 1;
}
.protein-seq .aa-letter { display: inline-block; padding: 0 1px; }
.protein-seq .aa-letter.diff { background: var(--warning); color: #000; border-radius: 2px; }
.protein-seq .aa-letter.stop { color: var(--danger); font-weight: 700; }
.protein-seq .aa-letter.fs { background: rgba(239,68,68,0.3); color: #fff; border-radius: 2px; }

/* Effect card */
.effect-card {
  padding: 0.5rem 0.7rem;
  border-radius: 6px;
  margin-bottom: 0.5rem;
  font-size: 0.78rem;
  line-height: 1.5;
  border: 1px solid var(--border);
  background: var(--bg);
  display: none;
}
.effect-card.show { display: block; }
.effect-card .effect-badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-right: 0.4rem;
  vertical-align: middle;
}
.effect-card .effect-badge.silent     { background: rgba(100,116,139,0.3); color: #cbd5e1; }
.effect-card .effect-badge.missense   { background: rgba(245,158,11,0.3); color: #fbbf24; }
.effect-card .effect-badge.nonsense   { background: rgba(239,68,68,0.4); color: #fca5a5; }
.effect-card .effect-badge.frameshift { background: rgba(239,68,68,0.5); color: #fecaca; }
.effect-card .effect-badge.in-frame   { background: rgba(245,158,11,0.25); color: #fbbf24; }
.effect-card .effect-explain { color: var(--text-muted); }
.effect-card .effect-explain strong { color: var(--text); }
.effect-card .effect-meta {
  margin-top: 0.4rem;
  font-size: 0.7rem;
  color: var(--text-dim);
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}
.effect-card .effect-meta span strong { color: var(--accent); }

/* Step controls */
.step-controls {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}
.ghost-btn {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 0.3rem 0.6rem;
  border-radius: 5px;
  cursor: pointer;
  font-size: 0.72rem;
  font-family: inherit;
  transition: all 0.12s;
}
.ghost-btn:hover { border-color: var(--accent-dim); color: var(--text); }
.ghost-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.step-explain {
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--text-muted);
  padding: 0.5rem 0.6rem;
  background: rgba(6,182,212,0.05);
  border-radius: 4px;
  margin-bottom: 0.5rem;
  min-height: 1.5em;
}
.step-explain.empty { display: none; }

.step-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 0.7rem;
  gap: 0.4rem;
}
.next-step-btn, .prev-step-btn {
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  color: #fff;
  padding: 0.35rem 0.8rem;
  border-radius: 5px;
  cursor: pointer;
  font-size: 0.78rem;
  font-family: inherit;
  text-decoration: none;
  display: inline-block;
}
.prev-step-btn {
  background: var(--bg);
  border-color: var(--border);
  color: var(--text-muted);
}
.next-step-btn:hover { background: var(--accent); }

.indel-controls {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 0.6rem;
  flex-wrap: wrap;
}
.indel-btn {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 0.3rem 0.6rem;
  border-radius: 5px;
  cursor: pointer;
  font-size: 0.72rem;
  font-family: inherit;
  transition: all 0.12s;
}
.indel-btn:hover { border-color: var(--accent-dim); color: var(--text); }
.indel-btn.active { background: var(--accent-dim); border-color: var(--accent); color: #fff; }
.indel-btn.ghost { color: var(--text-dim); }

/* Case grid (real teaching cases in step 4) */
.case-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem;
  margin-bottom: 0.5rem;
}
.case-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.5rem 0.6rem;
  cursor: pointer;
  transition: all 0.12s;
}
.case-card:hover { border-color: var(--accent); transform: translateY(-1px); }
.case-card .case-gene { font-family: monospace; font-weight: 700; color: var(--accent); font-size: 0.85rem; }
.case-card .case-hgvs { font-family: monospace; font-size: 0.7rem; color: var(--text-muted); margin-top: 0.1rem; }
.case-card .case-condition { font-size: 0.7rem; color: var(--text-dim); margin-top: 0.2rem; }
.case-card .case-type {
  display: inline-block;
  font-size: 0.6rem;
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
  margin-top: 0.3rem;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  background: rgba(6,182,212,0.15);
  color: var(--accent);
}

.case-detail {
  background: var(--bg);
  border: 1px solid var(--accent-dim);
  border-radius: 6px;
  padding: 0.7rem 0.8rem;
  margin-bottom: 0.5rem;
}
.case-detail .cd-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.5rem;
}
.case-detail .cd-gene { font-family: monospace; font-weight: 700; color: var(--accent); font-size: 1rem; }
.case-detail .cd-hgvs { font-family: monospace; font-size: 0.78rem; color: var(--text-muted); margin-top: 0.2rem; }
.case-detail .cd-condition { font-size: 0.75rem; color: var(--warning); margin-bottom: 0.5rem; }
.case-detail .cd-teaching {
  font-size: 0.78rem;
  line-height: 1.55;
  color: var(--text);
  padding: 0.5rem 0.6rem;
  background: rgba(6,182,212,0.05);
  border-radius: 4px;
  margin-bottom: 0.4rem;
}
.case-detail .cd-close {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.7rem;
}

/* ─── EXPLORE MODE ─── */
.explore-search {
  padding: 0.5rem 0.8rem;
  border-bottom: 1px solid var(--border);
}
.explore-search .search-row { position: relative; }
.explore-search input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.4rem 0.6rem;
  border-radius: 5px;
  font-size: 0.8rem;
  font-family: inherit;
  outline: none;
}
.explore-search input:focus { border-color: var(--accent); }

.autocomplete {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--accent-dim);
  border-radius: 5px;
  margin-top: 2px;
  max-height: 200px;
  overflow-y: auto;
  display: none;
  z-index: 50;
}
.autocomplete.open { display: block; }
.ac-item {
  padding: 0.3rem 0.6rem;
  cursor: pointer;
  font-size: 0.75rem;
  display: flex;
  justify-content: space-between;
}
.ac-item:hover { background: var(--bg-hover); }
.ac-item .gene { font-family: monospace; font-weight: 700; color: var(--accent); }
.ac-item .count { color: var(--text-dim); font-size: 0.7rem; }

.quick-genes {
  margin-top: 0.5rem;
  display: flex;
  gap: 0.3rem;
  flex-wrap: wrap;
  align-items: center;
}
.quick-label { font-size: 0.7rem; color: var(--text-dim); margin-right: 0.2rem; }
.quick-gene {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.7rem;
  font-family: monospace;
}
.quick-gene:hover { border-color: var(--accent); color: var(--accent); }

.explore-content { padding: 0.6rem 0.8rem; }
.explore-empty {
  text-align: center;
  padding: 1.5rem 0.5rem;
  color: var(--text-dim);
}
.empty-icon { font-size: 1.6rem; color: var(--accent); margin-bottom: 0.5rem; font-weight: 700; }
.empty-title { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 0.2rem; }
.empty-sub { font-size: 0.7rem; }

.gene-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.5rem;
}
.gene-header .gh-name { font-family: monospace; font-weight: 700; color: var(--accent); font-size: 1.05rem; }
.gene-header .gh-count { font-size: 0.7rem; color: var(--text-dim); }

.variants-filter {
  display: flex;
  gap: 0.3rem;
  margin-bottom: 0.4rem;
  flex-wrap: wrap;
  align-items: center;
}
.variants-filter input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.72rem;
  font-family: inherit;
  outline: none;
  min-width: 120px;
}
.variants-filter select {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.25rem 0.4rem;
  border-radius: 4px;
  font-size: 0.7rem;
  font-family: inherit;
}

.variant-list {
  max-height: 240px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--bg);
}
.variant-item {
  padding: 0.4rem 0.6rem;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.1s;
}
.variant-item:hover { background: var(--bg-hover); }
.variant-item:last-child { border-bottom: none; }
.variant-item .vi-hgvs { font-family: monospace; font-size: 0.72rem; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.variant-item .vi-class {
  font-size: 0.6rem;
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  white-space: nowrap;
}
.variant-item .vi-class.pathogenic { background: rgba(239,68,68,0.3); color: #fca5a5; }
.variant-item .vi-class.likely_pathogenic { background: rgba(249,115,22,0.3); color: #fdba74; }
.variant-item .vi-class.uncertain_significance { background: rgba(245,158,11,0.3); color: #fbbf24; }
.variant-item .vi-class.likely_benign { background: rgba(163,230,53,0.25); color: #bef264; }
.variant-item .vi-class.benign { background: rgba(16,185,129,0.3); color: #6ee7b7; }
.variant-item .vi-class.conflicting { background: rgba(139,92,246,0.3); color: #c4b5fd; }

.variant-detail-panel {
  margin-top: 0.6rem;
  background: var(--bg);
  border: 1px solid var(--accent-dim);
  border-radius: 6px;
  padding: 0.6rem 0.7rem;
}
.vdp-header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 0.4rem; }
.vdp-hgvs { font-family: monospace; font-size: 0.85rem; font-weight: 700; color: var(--accent); }
.vdp-close { background: none; border: 1px solid var(--border); color: var(--text-dim); padding: 0.15rem 0.4rem; border-radius: 3px; cursor: pointer; font-size: 0.7rem; }

.vdp-section {
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
}
.vdp-section:first-of-type { border-top: none; padding-top: 0; }
.vdp-section-title {
  font-size: 0.65rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.3rem;
}
.vdp-section-body { font-size: 0.75rem; line-height: 1.5; color: var(--text-muted); }
.vdp-section-body strong { color: var(--text); }

.vdp-freq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
  gap: 0.3rem;
}
.vdp-freq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.3rem 0.4rem;
  text-align: center;
}
.vdp-freq-item .vfi-pop { font-size: 0.6rem; color: var(--text-dim); text-transform: uppercase; }
.vdp-freq-item .vfi-val { font-family: monospace; font-size: 0.78rem; color: var(--accent); font-weight: 700; }
.vdp-freq-item .vfi-count { font-size: 0.6rem; color: var(--text-dim); }

.vdp-loading { padding: 0.5rem; color: var(--text-dim); font-size: 0.72rem; text-align: center; }
.vdp-error { color: var(--danger); font-size: 0.72rem; padding: 0.4rem; }

/* ─── QUIZ MODE ─── */
.quiz-start { padding: 0.8rem; }
.quiz-intro { text-align: center; margin-bottom: 0.8rem; }
.quiz-intro h2 { font-size: 1rem; color: var(--accent); margin-bottom: 0.3rem; }
.quiz-intro p { font-size: 0.75rem; color: var(--text-muted); }

.quiz-levels {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.quiz-level {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.6rem 0.8rem;
  border-radius: 6px;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  transition: all 0.12s;
}
.quiz-level:hover { border-color: var(--accent); transform: translateY(-1px); }
.ql-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
  font-size: 0.85rem;
  flex-shrink: 0;
}
.ql-title { font-size: 0.85rem; font-weight: 600; color: var(--text); }
.ql-desc { font-size: 0.7rem; color: var(--text-dim); margin-top: 0.1rem; }

.quiz-game { padding: 0.7rem 0.8rem; }
.quiz-progress {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  color: var(--text-dim);
  margin-bottom: 0.6rem;
}
.quiz-progress-bar {
  flex: 1;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}
.quiz-progress-fill {
  height: 100%;
  background: var(--accent);
  width: 0%;
  transition: width 0.3s;
}

.quiz-question {
  font-size: 0.85rem;
  line-height: 1.5;
  margin-bottom: 0.7rem;
  color: var(--text);
  padding: 0.6rem 0.7rem;
  background: rgba(6,182,212,0.05);
  border-left: 2px solid var(--accent);
  border-radius: 0 4px 4px 0;
}
.quiz-question .q-context {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
  display: block;
}
.quiz-question .q-text { font-weight: 600; }

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-bottom: 0.5rem;
}
.quiz-options button {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.5rem 0.7rem;
  border-radius: 5px;
  cursor: pointer;
  font-size: 0.78rem;
  text-align: left;
  font-family: inherit;
  transition: all 0.1s;
}
.quiz-options button:hover { border-color: var(--accent-dim); }
.quiz-options button.correct { background: rgba(16,185,129,0.2); border-color: var(--success); }
.quiz-options button.wrong { background: rgba(239,68,68,0.2); border-color: var(--danger); }
.quiz-options button:disabled { cursor: default; }

.quiz-feedback {
  padding: 0.5rem 0.6rem;
  border-radius: 5px;
  font-size: 0.75rem;
  line-height: 1.5;
  display: none;
}
.quiz-feedback.show { display: block; }
.quiz-feedback.correct { background: rgba(16,185,129,0.1); border: 1px solid rgba(16,185,129,0.3); color: #6ee7b7; }
.quiz-feedback.wrong { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3); color: #fca5a5; }

.quiz-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 0.6rem;
}

.quiz-result {
  text-align: center;
  padding: 1rem 0.8rem;
}
.quiz-result h2 { color: var(--accent); margin-bottom: 0.5rem; font-size: 1rem; }
.quiz-final-score { font-family: monospace; font-size: 1.8rem; font-weight: 700; color: var(--accent); margin: 0.5rem 0; }
.quiz-final-feedback { font-size: 0.78rem; color: var(--text-muted); line-height: 1.5; margin-bottom: 0.8rem; }

/* Embed mode */
body.embed .header-banner { display: none; }
body.embed .footer { display: none; }
body.embed .widget { border: none; border-radius: 0; }