.preppai-topics-wrap{
  max-width: 1050px;
  margin: 18px auto;
  padding: 0 12px;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

.preppai-topics-header{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  border-radius: 18px;
  background: #ffffff;
  border: 1px solid #e5e7eb;
  box-shadow: 0 14px 35px rgba(0,0,0,0.06);
}

.preppai-topics-brand{
  display:flex;
  align-items:center;
  gap: 12px;
}

.preppai-topics-avatar{
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display:flex;
  align-items:center;
  justify-content:center;
  background: linear-gradient(135deg, #2563eb, #7c3aed);
  color:#fff;
  font-weight: 900;
  letter-spacing: 0.5px;
}

.preppai-topics-title{
  font-weight: 900;
  font-size: 16px;
  color:#0f172a;
  line-height: 1.1;
}

.preppai-topics-sub{
  font-size: 12px;
  color:#475569;
  margin-top: 3px;
}

.preppai-topics-meta{
  display:flex;
  align-items:center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.preppai-topics-credits{
  font-size: 13px;
  font-weight: 800;
  color:#0f172a;
  background:#f1f5f9;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid #e2e8f0;
}

.preppai-topics-bookmark-btn{
  border:none;
  border-radius: 14px;
  padding: 10px 12px;
  font-weight: 900;
  cursor:pointer;
  background: #111827;
  color:#fff;
  transition: transform .15s ease, opacity .15s ease;
}
.preppai-topics-bookmark-btn:hover{ transform: translateY(-1px); opacity: .95; }
.preppai-topics-bookmark-btn:disabled{ opacity: .5; cursor:not-allowed; transform:none; }

.preppai-topics-searchbar{
  display:flex;
  gap: 10px;
  margin-top: 14px;
  padding: 14px;
  border-radius: 18px;
  background: #ffffff;
  border: 1px solid #e5e7eb;
  box-shadow: 0 14px 35px rgba(0,0,0,0.05);
}

#preppai-topics-input{
  flex:1;
  border: 1px solid #e5e7eb;
  background: #f8fafc;
  padding: 12px 12px;
  border-radius: 14px;
  outline:none;
  font-size: 14px;
  color:#0f172a;
}

#preppai-topics-input::placeholder{
  color:#94a3b8;
}

.preppai-topics-generate{
  border:none;
  border-radius: 14px;
  padding: 0 16px;
  min-width: 130px;
  height: 44px;
  cursor:pointer;
  font-weight: 900;
  background: linear-gradient(135deg, #22c55e, #16a34a);
  color:#052012;
  transition: transform .15s ease, opacity .15s ease;
}
.preppai-topics-generate:hover{ transform: translateY(-1px); opacity: .95; }
.preppai-topics-generate:disabled{ opacity: .6; cursor:not-allowed; transform:none; }

.preppai-topics-note{
  margin-top: 10px;
  color:#475569;
  font-size: 12px;
  text-align:center;
}

.preppai-topics-output{
  margin-top: 14px;
  background:#ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 18px;
  padding: 16px;
  box-shadow: 0 14px 35px rgba(0,0,0,0.05);
  min-height: 220px;
}

.preppai-topics-empty{
  text-align:center;
  padding: 26px 10px;
  color:#64748b;
}

.preppai-topics-output h2{
  margin: 14px 0 8px;
  color:#0f172a;
  font-size: 17px;
}

.preppai-topics-output h3{
  margin: 12px 0 8px;
  color:#0f172a;
  font-size: 15px;
}

.preppai-topics-output p{
  margin: 8px 0;
  color:#0f172a;
  line-height: 1.75;
  font-size: 14px;
}

.preppai-topics-output ul,
.preppai-topics-output ol{
  margin: 10px 0 10px 20px;
  color:#0f172a;
}

.preppai-topics-output li{
  margin: 6px 0;
  line-height: 1.65;
}

.preppai-topics-saved{
  margin-top: 14px;
  background:#ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 18px;
  padding: 14px;
  box-shadow: 0 14px 35px rgba(0,0,0,0.05);
}

.preppai-topics-saved-top{
  display:flex;
  align-items:flex-end;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.preppai-topics-saved-title{
  font-weight: 900;
  color:#0f172a;
}

.preppai-topics-saved-sub{
  color:#64748b;
  font-size: 12px;
}

.preppai-topics-bookmarks{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.preppai-topics-bm-item{
  border: 1px solid #e5e7eb;
  background: #f8fafc;
  border-radius: 16px;
  padding: 12px;
  cursor:pointer;
  transition: transform .15s ease, opacity .15s ease;
}

.preppai-topics-bm-item:hover{
  transform: translateY(-1px);
  opacity: .95;
}

.preppai-topics-bm-title{
  font-weight: 900;
  color:#0f172a;
  font-size: 13px;
}

.preppai-topics-bm-meta{
  margin-top: 6px;
  font-size: 12px;
  color:#64748b;
  display:flex;
  gap: 6px;
  flex-wrap: wrap;
}

.preppai-topics-bm-pill{
  display:inline-block;
  background:#e2e8f0;
  color:#0f172a;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
}

.preppai-topics-bm-actions{
  margin-top: 10px;
  display:flex;
  gap: 8px;
}

.preppai-topics-bm-del{
  border:none;
  cursor:pointer;
  border-radius: 12px;
  padding: 8px 10px;
  background: #ef4444;
  color:#fff;
  font-weight: 900;
  font-size: 12px;
}

.preppai-topics-loginbox{
  margin-top: 14px;
  background:#fff;
  border: 1px solid #e5e7eb;
  border-radius: 18px;
  padding: 18px;
  box-shadow: 0 14px 35px rgba(0,0,0,0.05);
}

.preppai-topics-btn{
  display:inline-block;
  margin-top: 10px;
  text-decoration:none;
  background:#111827;
  color:#fff;
  padding: 10px 14px;
  border-radius: 14px;
  font-weight: 900;
}

@media(max-width: 980px){
  .preppai-topics-bookmarks{ grid-template-columns: 1fr; }
}