.pc-layout { display: grid; grid-template-columns: 220px 1fr; gap: 20px; align-items: start; }
.pc-nav { position: sticky; top: 88px; display: flex; flex-direction: column; gap: 4px; }
.pc-nav__item { text-align: left; padding: 12px 14px; border-radius: 12px; background: none; border: none;
  font: inherit; color: #374151; cursor: pointer; transition: background .15s; }
.pc-nav__item:hover { background: rgba(16,185,129,.06); }
.pc-nav__item.is-active { background: rgba(16,185,129,.12); color: #047857; font-weight: 700; }
.pc-panel[hidden] { display: none; }
.pc-card { background: rgba(255,255,255,.9); border-radius: 16px; padding: 22px; margin-bottom: 18px;
  border: 1px solid rgba(15,23,42,.06); }
.pc-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 14px; }
.pc-field { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; padding: 12px 0;
  border-bottom: 1px solid rgba(15,23,42,.06); }
.pc-field label { width: 96px; color: #6b7280; font-size: 14px; }
.pc-field input, .pc-field select { flex: 1; min-width: 160px; padding: 8px 10px; border-radius: 10px;
  border: 1px solid rgba(15,23,42,.14); font: inherit; }
.pc-btn { padding: 8px 16px; border-radius: 10px; border: none; background: #059669; color: #fff;
  font: inherit; font-weight: 600; cursor: pointer; }
.pc-btn--ghost { background: none; color: #059669; border: 1px solid rgba(5,150,105,.4); }
.pc-btn--danger { background: #dc2626; }
.pc-hint { font-size: 12px; color: #9ca3af; }
@media (max-width: 767px) {
  .pc-layout { grid-template-columns: 1fr; }
  .pc-nav { position: static; flex-direction: row; overflow-x: auto; }
  .pc-nav__item { white-space: nowrap; }
}