:root{
  --brand-700:#FF6A00; --brand-600:#FF7A1A; --brand-500:#FF8C3A; --brand-400:#FFA45F; --brand-50:#FFF6EE;
  --ink-900:#0F172A; --ink-700:#334155; --ink-500:#64748B; --line-200:#E5E7EB;
  --success-600:#16A34A; --danger-600:#DC2626;
}
/* Force light/orange theme for EduAI cards */
.eduai-card{ background:#fff; border:1px solid var(--line-200); border-radius:16px; box-shadow:0 6px 18px rgba(0,0,0,.06); padding:16px 18px; margin:18px 0; color:var(--ink-900); max-width:820px; }
.eduai-head{ display:flex; gap:12px; align-items:center; margin-bottom:10px; padding-bottom:6px; border-bottom:1px solid #E9EEF4; }
.eduai-head h3{ margin:0; font-size:18px; color:var(--ink-900); font-weight:600; }
.eduai-meta{ margin:2px 0 0; color:#667085; font-size:12px; }
.eduai-badge{ width:40px; height:40px; display:grid; place-items:center; color:#fff; background:linear-gradient(135deg,var(--brand-600),var(--brand-400)); border-radius:12px; box-shadow:0 4px 12px rgba(255,122,26,.35); }
.eduai-badge svg{ width:22px; height:22px; display:block; fill:currentColor; }

.eduai-correction{ background:#FFF7ED; border:1px solid #FFD9BF; color:#7A3E13; border-radius:12px; padding:8px 10px; margin:8px 0 10px; }
.eduai-tldr{ color:#1F2937; font-weight:500; margin:6px 0 10px; }
.eduai-cta{ margin-top:16px; color:#475569; }
.eduai-actions{ margin-top:12px; display:flex; gap:10px; flex-wrap:wrap; min-height:52px; }

button.primary{ background:linear-gradient(90deg,var(--brand-600),var(--brand-400)); color:#fff; border:none; padding:10px 14px; border-radius:12px; cursor:pointer; display:inline-flex; align-items:center; justify-content:center; }
button.primary:disabled{ opacity:.55; }
button.ghost{ background:#fff; color:#0F172A; border:1px solid #E5E7EB; padding:10px 14px; border-radius:12px; cursor:pointer; }
button.ghost:hover{ border-color:#FFCEAA; box-shadow:0 0 0 3px rgba(255,122,26,.15); }

/* Bullets */
.eduai-bullets{ list-style:none; padding:0; margin:0; display:grid; gap:10px; }
@media (min-width:1024px){ .eduai-bullets{ grid-template-columns:1fr 1fr; column-gap:28px; } }
.eduai-bullets .dot{ width:8px; height:8px; border-radius:50%; background:var(--brand-500); margin-right:8px; display:inline-block; transform:translateY(1px); }
.eduai-bullets li{ color:#1F2937; }

/* Chat */
.eduai-suggestions{ display:flex; flex-wrap:wrap; gap:8px; margin:8px 0 10px; }
.eduai-suggestions button{ background:var(--brand-50); border:1px solid #ffd9bf; color:var(--brand-600); padding:6px 10px; border-radius:999px; font-size:12px; cursor:pointer; }
.eduai-thread{ display:flex; flex-direction:column; gap:12px; max-height:320px; overflow:auto; padding-right:6px; }
.msg{ max-width:78%; padding:10px 12px; border-radius:14px; font-size:14px; line-height:1.45; }
.msg.user{ margin-left:auto; background:#F3F4F6; color:#1F2937; }
.msg.ai{ background:#FFF6EE; color:#7A3E13; border:1px solid #FFD9BF; }
.eduai-inputbar{ display:flex; gap:8px; margin-top:16px; }
.eduai-inputbar input{ flex:1; padding:12px 14px; border:1px solid var(--line-200); border-radius:12px; outline:none; }
.eduai-inputbar input:focus{ box-shadow:0 0 0 3px rgba(255,122,26,.2); border-color:#FFD9BF; }
.eduai-inputbar .send{ width:44px; height:44px; border-radius:12px; padding:0; }

/* Quiz */
.eduai-quiz{ width:100%; }
.eduai-progress{ position:relative; background:#F9FAFB; border:1px solid var(--line-200); border-radius:12px; height:10px; margin:6px 0 14px; }
.eduai-progress .bar{ height:100%; background:linear-gradient(90deg,var(--brand-600),var(--brand-400)); border-radius:12px; }
.eduai-progress .counter{ position:absolute; right:8px; top:-22px; font-size:12px; color:#64748B; }
.eduai-question .q{ font-weight:600; color:#0F172A; margin:8px 0 10px; min-height:88px; }
.options{ display:grid; gap:8px; min-height:240px; }
.opt{ display:flex; align-items:center; gap:10px; border:1px solid var(--line-200); border-radius:12px; padding:10px 12px; cursor:pointer; }
.opt:hover{ border-color:#ffd9bf; box-shadow:0 0 0 3px rgba(255,122,26,.12); }
.opt input{ accent-color:var(--brand-600); }
.opt.selected{ box-shadow:0 0 0 3px rgba(255,122,26,.18); border-color:#ffd9bf; }
.eduai-actions .ghost.retake{ display:none; }
.eduai-feedback{ margin-top:12px; padding:10px 12px; border-radius:12px; border:1px solid; min-height:44px; }
.eduai-feedback.success{ border-color:#CBE7D4; background:#F3FAF5; color:#0B5F2B; }
.eduai-feedback.error{ border-color:#FAD1D1; background:#FEF2F2; color:#7A1D1D; }
.eduai-review{ margin-top:12px; border-top:1px solid var(--line-200); padding-top:12px; }

/* Results meter */
.eduai-meter { margin:12px 0 8px; }
.eduai-meter .track { height:12px; border-radius:999px; background:#F1F5F9; position:relative; overflow:hidden; }
.eduai-meter .fill { height:100%; background:linear-gradient(90deg,var(--brand-600),var(--brand-400)); }
.eduai-meter .label { margin-top:6px; font-weight:600; color:#0F172A; }

.eduai-review-list { margin:10px 0 0; padding-left:18px; }
.eduai-review-list li { margin:8px 0; }
.eduai-review-list li.ok .ra strong:last-child { color:#16A34A; }
.eduai-review-list li.no .ra strong:last-child { color:#DC2626; }