/* =========================================================
   kie-ui.css  (namespaced)
   ========================================================= */

.kie-root{
  font-family: inherit;
  line-height: 1.55;
}

.kie-card{
  border: 1px solid rgba(0,0,0,.10);
  border-radius: 14px;
  padding: 14px 16px;
  background: #fff;
  margin: 12px 0;
  box-shadow: 0 6px 18px rgba(0,0,0,.05);
}

.kie-card--intro{ padding: 16px 16px 14px; }

.kie-card-h{
  font-weight: 800;
  font-size: 1.05rem;
  margin-bottom: 10px;
}

.kie-title-row{
  display:flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}
.kie-title{
  font-weight: 900;
  font-size: 1.2rem;
}
.kie-badges{ display:flex; gap:8px; flex-wrap:wrap; }

.kie-badge{
  font-size: .78rem;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(0,0,0,.06);
}
.kie-badge--muted{ background: rgba(0,0,0,.04); font-weight: 700; }

.kie-lead{ margin-top: 8px; }
.kie-mono{ font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; }

.kie-mini-grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}
@media (max-width: 820px){
  .kie-mini-grid{ grid-template-columns: 1fr; }
}
.kie-mini{
  border: 1px solid rgba(0,0,0,.08);
  border-radius: 12px;
  padding: 10px 12px;
  background: rgba(0,0,0,.02);
}
.kie-mini-h{ font-weight: 900; margin-bottom: 6px; }
.kie-mini-b div{ margin: 2px 0; }

.kie-details{
  margin-top: 10px;
  border-top: 1px dashed rgba(0,0,0,.14);
  padding-top: 10px;
}
.kie-details summary{
  cursor: pointer;
  font-weight: 800;
}
.kie-details-body{ margin-top: 8px; }

.kie-row{
  display:flex;
  gap: 12px;
  align-items: end;
}
.kie-row--wrap{ flex-wrap: wrap; }

.kie-field{
  display:flex;
  flex-direction: column;
  gap: 6px;
  min-width: 220px;
  flex: 1 1 240px;
}
.kie-field--ghost{ min-width: 180px; flex: 0 1 220px; }
.kie-lbl{ font-weight: 800; font-size: .92rem; }
.kie-inp{
  width: 100%;
  border: 1px solid rgba(0,0,0,.18);
  border-radius: 12px;
  padding: 10px 12px;
  background: #fff;
  font: inherit;
}
.kie-ghost{
  border: 1px dashed rgba(0,0,0,.18);
  border-radius: 12px;
  padding: 10px 12px;
  background: rgba(0,0,0,.02);
}

.kie-subcard{
  border: 1px solid rgba(0,0,0,.08);
  border-radius: 12px;
  padding: 10px 12px;
  background: rgba(0,0,0,.02);
  margin-top: 10px;
}
.kie-subcard-h{ font-weight: 900; margin-bottom: 8px; }

.kie-grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
@media (max-width: 900px){
  .kie-grid{ grid-template-columns: 1fr; }
}

.kie-note{
  margin-top: 8px;
  font-size: .92rem;
  opacity: .95;
}

.kie-actions{
  display:flex;
  gap: 10px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.kie-btn{
  border: none;
  border-radius: 12px;
  padding: 10px 16px;
  font-weight: 900;
  cursor: pointer;
  background: rgba(0,0,0,.85);
  color: #fff;
}
.kie-btn--soft{
  background: rgba(0,0,0,.08);
  color: #111;
}

.kie-out{
  margin-top: 12px;
  border-radius: 12px;
  padding: 12px 12px;
  border: 1px solid rgba(0,0,0,.10);
  background: rgba(0,0,0,.02);
}

.kie-hint{
  border-radius: 12px;
  padding: 10px 12px;
  background: rgba(0,0,0,.03);
  border: 1px solid rgba(0,0,0,.10);
}
.kie-hint--bad{
  background: rgba(255,0,0,.05);
  border-color: rgba(255,0,0,.25);
}

.kie-out-grid{
  display:flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
  flex-wrap: wrap;
}
.kie-out-kie{
  font-size: 1.6rem;
  font-weight: 1000;
}
.kie-out-sub{ opacity: .75; font-size: .92rem; }

.kie-tag{
  display:inline-block;
  padding: 5px 10px;
  border-radius: 999px;
  font-weight: 900;
  font-size: .85rem;
  background: rgba(0,0,0,.08);
}
.kie-tag--good{ background: rgba(0,150,0,.12); }
.kie-tag--mid{ background: rgba(255,170,0,.15); }
.kie-tag--muted{ background: rgba(0,0,0,.06); }
.kie-tag--bad{ background: rgba(255,0,0,.12); }

.kie-out-note{ margin-top: 6px; }
.kie-out-note--small{ font-size: .92rem; opacity: .9; }

.kie-math{
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed rgba(0,0,0,.16);
}

.kie-status{
  margin-top: 10px;
  border: 1px solid rgba(0,0,0,.10);
  background: rgba(0,0,0,.02);
  padding: 10px 12px;
  border-radius: 12px;
}
.kie-status-row--bad{ color: #b00020; font-weight: 900; }

.kie-pr-area{ margin-top: 10px; }

.kie-pr-head{
  display:flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.kie-pr-title{ font-weight: 1000; font-size: 1.05rem; }

.kie-qbox{
  border: 1px solid rgba(0,0,0,.10);
  border-radius: 14px;
  padding: 12px 12px;
  background: #fff;
  margin: 10px 0;
}
.kie-qmeta{
  font-size: .86rem;
  opacity: .75;
  margin-bottom: 6px;
}
.kie-q-h{ font-weight: 1000; margin-bottom: 6px; }
.kie-q-p{ margin-bottom: 8px; }

.kie-mech{
  margin-top: 8px;
  border-left: 4px solid rgba(0,0,0,.18);
  padding-left: 10px;
  opacity: .95;
}

.kie-choices{
  display:flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 10px;
}
.kie-choice{
  display:flex;
  gap: 10px;
  align-items: start;
  border: 1px solid rgba(0,0,0,.10);
  border-radius: 12px;
  padding: 10px 10px;
  background: rgba(0,0,0,.02);
  cursor: pointer;
}
.kie-choice input{ margin-top: 3px; }

.kie-qactions{ margin-top: 10px; }

.kie-sol{
  margin-top: 10px;
  border-top: 1px dashed rgba(0,0,0,.16);
  padding-top: 10px;
}
.kie-exp div{ margin: 4px 0; }

/* Practice choice alignment */
.kie-choices{
  display:flex;
  flex-direction:column;
  gap:10px;
  margin-top:12px;
}

.kie-choice{
  display:grid;
  grid-template-columns: 20px 1fr;
  column-gap:10px;
  align-items:start;
  cursor:pointer;
  padding:6px 8px;
  border-radius:10px;
}

.kie-choice input[type="radio"]{
  margin-top:3px; /* aligns circle with first line */
}

.kie-choice-text{
  line-height:1.45;
}

/* spacing between level buttons and tabs */

.ier-header{
display:flex;
flex-direction:column;
gap:14px;
margin-bottom:16px;
}

.ier-level-toggle{
display:flex;
gap:10px;
}

.ier-tabs{
display:flex;
gap:14px;
margin-top:6px;
flex-wrap:wrap;
}

.ier-btn-row{
display:flex;
gap:10px;
margin-top:12px;
}

.ier-clear{
background:#777;
}

.ier-question{
margin-top:14px;
margin-bottom:12px;
font-size:1.05rem;
}

.ier-concept-table{
width:100%;
border-collapse:collapse;
margin-top:10px;
}

.ier-concept-table td{
padding:10px;
vertical-align:top;
}

.ier-concept-title{
font-weight:700;
width:180px;
}

.ier-header h2{
margin-bottom:12px;
}

.ier-concept-fig img{
max-width:520px;
height:auto;
margin-top:8px;
}