/* Easy Grader — frontend styles (scoped under .eg-wrapper to avoid theme clashes) */

.eg-wrapper{
  --eg-navy:#7C3AED;
  --eg-navy-deep:#6D28D9;
  --eg-heading:#5B21B6;
  --eg-accent:#C026D3;
  --eg-accent-soft:#F3F1FC;
  --eg-bg:#FAF9FF;
  --eg-card:#FFFFFF;
  --eg-border:#DCD3F0;
  --eg-text:#2E1F3F;
  --eg-text-mute:#6B647A;
  --eg-grade-a:#2F9E5B;
  --eg-grade-b:#2E6F9E;
  --eg-grade-c:#C98A1E;
  --eg-grade-d:#D9722B;
  --eg-grade-f:#8C231B;
  --eg-radius:14px;
  --eg-radius-sm:8px;
  --eg-focus:#7C3AED;

  max-width:640px;
  margin:0 auto;
  display:flex;
  flex-direction:column;
  gap:20px;
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--eg-text);
  line-height:1.5;
  overflow-x:hidden;
}

.eg-wrapper *{box-sizing:border-box;}

.eg-card{
  background:var(--eg-card);
  border:1px solid var(--eg-border);
  border-radius:var(--eg-radius);
  padding:24px;
}

.eg-field-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  min-width:0;
}
.eg-field{min-width:0;}
@media (max-width:480px){
  .eg-field-row{grid-template-columns:1fr;}
}

.eg-field label{
  display:block;
  font-size:0.85rem;
  font-weight:600;
  color:var(--eg-text-mute);
  margin-bottom:8px;
}

.eg-stepper{
  display:flex;
  align-items:stretch;
  border:1.5px solid var(--eg-border);
  border-radius:var(--eg-radius-sm);
  overflow:hidden;
  background:var(--eg-bg);
  min-width:0;
}
.eg-stepper button{
  width:48px;
  min-height:52px;
  border:none;
  background:var(--eg-card);
  color:var(--eg-navy);
  font-size:1.4rem;
  font-weight:600;
  cursor:pointer;
  touch-action:manipulation;
}
.eg-stepper button:hover{background:var(--eg-accent-soft);}
.eg-stepper button:active{background:var(--eg-accent);color:#fff;}
.eg-stepper input{
  flex:1;
  min-width:0;
  border:none;
  background:transparent;
  text-align:center;
  font-size:1.15rem;
  font-weight:600;
  color:var(--eg-text);
  -moz-appearance:textfield;
}
.eg-stepper input::-webkit-outer-spin-button,
.eg-stepper input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0;}
.eg-stepper input:focus{outline:2px solid var(--eg-focus);outline-offset:-2px;}

.eg-wrong-btn{
  margin-top:14px;
  width:100%;
  min-height:56px;
  background:var(--eg-navy);
  color:#fff;
  border:none;
  border-radius:var(--eg-radius-sm);
  font-size:1.05rem;
  font-weight:700;
  cursor:pointer;
  letter-spacing:0.01em;
}
.eg-wrong-btn:hover{background:var(--eg-navy-deep);}
.eg-wrong-btn:active{transform:translateY(1px);}
.eg-wrong-btn kbd{
  background:rgba(255,255,255,0.18);
  padding:2px 8px;
  border-radius:5px;
  font-family:inherit;
  font-size:0.85em;
  margin-left:8px;
}

.eg-row-actions{
  display:flex;
  gap:10px;
  margin-top:10px;
}
.eg-ghost-btn{
  flex:1;
  min-height:44px;
  background:transparent;
  border:1.5px solid var(--eg-border);
  color:var(--eg-text-mute);
  border-radius:var(--eg-radius-sm);
  font-size:0.9rem;
  font-weight:600;
  cursor:pointer;
}
.eg-ghost-btn:hover{border-color:var(--eg-accent);color:var(--eg-accent);}
.eg-ghost-btn kbd{
  background:var(--eg-accent-soft);
  padding:1px 6px;
  border-radius:4px;
  font-family:inherit;
  font-size:0.82em;
  margin-left:6px;
}
.eg-full-width{width:100%;}

.eg-result-card{
  background:var(--eg-navy);
  border-radius:var(--eg-radius);
  padding:28px 24px;
  text-align:center;
  color:#fff;
  position:relative;
  overflow:hidden;
}
.eg-result-fraction{
  font-size:0.95rem;
  opacity:0.75;
  margin-bottom:6px;
}
.eg-result-percent{
  font-family:"Fraunces","Georgia",serif;
  font-size:3.6rem;
  font-weight:600;
  line-height:1;
  letter-spacing:-0.02em;
}
.eg-result-letter{
  display:inline-block;
  margin-top:10px;
  font-size:1.1rem;
  font-weight:700;
  padding:4px 16px;
  border-radius:999px;
  background:rgba(255,255,255,0.14);
  letter-spacing:0.02em;
}

.eg-toggle-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:16px;
  font-size:0.88rem;
  color:var(--eg-text-mute);
}
.eg-switch{
  position:relative;
  width:42px;
  height:24px;
  flex-shrink:0;
}
.eg-switch input{opacity:0;width:0;height:0;}
.eg-switch .eg-track{
  position:absolute;inset:0;
  background:var(--eg-border);
  border-radius:999px;
  transition:background .15s;
  cursor:pointer;
}
.eg-switch .eg-track::before{
  content:"";
  position:absolute;
  width:18px;height:18px;
  left:3px;top:3px;
  background:#fff;
  border-radius:50%;
  transition:transform .15s;
  box-shadow:0 1px 2px rgba(0,0,0,0.25);
}
.eg-switch input:checked + .eg-track{background:var(--eg-accent);}
.eg-switch input:checked + .eg-track::before{transform:translateX(18px);}
.eg-switch input:focus-visible + .eg-track{outline:2px solid var(--eg-focus);outline-offset:2px;}

.eg-section{
  background:var(--eg-card);
  border:1px solid var(--eg-border);
  border-radius:var(--eg-radius);
  overflow:hidden;
}
.eg-section > summary{
  padding:18px 24px;
  font-weight:700;
  cursor:pointer;
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  color:var(--eg-heading);
}
.eg-section > summary::-webkit-details-marker{display:none;}
.eg-section > summary::after{
  content:"▾";
  color:var(--eg-text-mute);
  transition:transform .15s;
}
.eg-section[open] > summary::after{transform:rotate(180deg);}
.eg-section-body{padding:0 24px 22px;}

.eg-scale-grid{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:10px 14px;
  align-items:center;
  margin-bottom:16px;
}
.eg-scale-grid label{
  font-weight:700;
  font-size:0.95rem;
}
.eg-letter-a{color:var(--eg-grade-a);}
.eg-letter-b{color:var(--eg-grade-b);}
.eg-letter-c{color:var(--eg-grade-c);}
.eg-letter-d{color:var(--eg-grade-d);}
.eg-scale-input{
  display:flex;
  align-items:center;
  gap:6px;
}
.eg-scale-input input{
  width:70px;
  padding:8px 10px;
  border:1.5px solid var(--eg-border);
  border-radius:var(--eg-radius-sm);
  font-size:0.95rem;
  text-align:center;
}
.eg-scale-input input:focus{outline:2px solid var(--eg-focus);}
.eg-scale-input span{color:var(--eg-text-mute);font-size:0.85rem;}
.eg-muted-note{color:var(--eg-text-mute);font-size:0.85rem;margin:0 0 14px;}

.eg-chart{
  width:100%;
  border-collapse:collapse;
  font-size:0.92rem;
}
.eg-chart th{
  text-align:left;
  padding:8px 10px;
  color:var(--eg-text-mute);
  font-size:0.78rem;
  text-transform:uppercase;
  letter-spacing:0.04em;
  border-bottom:1.5px solid var(--eg-border);
  background:var(--eg-card);
  position:sticky;
  top:0;
}
.eg-chart td{
  padding:7px 10px;
  border-bottom:1px solid var(--eg-border);
}
.eg-chart tr.eg-hi{background:var(--eg-accent-soft);}
.eg-chart-scroll{border:1px solid var(--eg-border);border-radius:var(--eg-radius-sm);overflow-x:auto;-webkit-overflow-scrolling:touch;}

.eg-letter-tag{
  font-weight:700;
  padding:2px 9px;
  border-radius:999px;
  font-size:0.8rem;
  color:#fff;
  display:inline-block;
}

.eg-footer-actions{
  display:flex;
  gap:10px;
}
.eg-primary-btn{
  flex:1;
  min-height:46px;
  background:var(--eg-accent);
  color:#fff;
  border:none;
  border-radius:var(--eg-radius-sm);
  font-weight:700;
  cursor:pointer;
}
.eg-primary-btn:hover{background:var(--eg-navy);}

.eg-privacy-note{
  text-align:center;
  color:var(--eg-text-mute);
  font-size:0.82rem;
  margin:8px 0 0;
}
.eg-privacy-note svg{vertical-align:-2px;margin-right:4px;}

.eg-kbd-hint{
  display:flex;
  justify-content:center;
  gap:18px;
  flex-wrap:wrap;
  color:var(--eg-text-mute);
  font-size:0.8rem;
  margin-top:4px;
}
.eg-kbd-hint kbd{
  background:var(--eg-card);
  border:1px solid var(--eg-border);
  padding:1px 7px;
  border-radius:5px;
  font-family:inherit;
}

@media print{
  body *{visibility:hidden;}
  #eg-print-area, #eg-print-area *{visibility:visible;}
  #eg-print-area{position:absolute;top:0;left:0;width:100%;}
  .eg-wrapper > *:not(#eg-print-area){display:none !important;}
}

@media (prefers-reduced-motion: reduce){
  .eg-wrapper *{transition:none !important;}
}