.dtnl-container{max-width:980px;margin:20px auto;padding:18px;border-radius:10px;background:#fff;box-shadow:0 6px 18px rgba(0,0,0,0.06);font-family:inherit}
.dtnl-section{margin-bottom:18px;padding:14px;border-radius:8px;border:1px solid #e6f4ea;background:#f6fff6}
.dtnl-title{background:#388E3C;color:#fff;padding:10px;border-radius:6px;text-align:center;margin:0 0 12px;font-weight:700}
.dtnl-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.dtnl-grid label{display:flex;flex-direction:column;font-size:14px}
.dtnl-grid input[type=number],.dtnl-grid input[type=text],.dtnl-grid select{padding:8px;border:1px solid #d0e8d8;border-radius:6px;outline:none;transition:box-shadow .18s,ease;border-color:#cfeadb}
.dtnl-grid input:focus,.dtnl-grid select:focus{box-shadow:0 0 0 3px rgba(76,175,80,0.12);border-color:#4CAF50}
.dtnl-grid input[readonly]{background:#fbfff9}
.dtnl-err{color:#c62828;font-size:13px;margin-top:6px}
.dtnl-summary{width:100%;border-collapse:collapse;margin-top:8px}
.dtnl-summary th,.dtnl-summary td{padding:10px;border-bottom:1px solid #eee;text-align:left}
.dtnl-summary .dtnl-total td{background:#e8f5e9;font-weight:700;color:#2e7d32}
.dtnl-btn{background:#4CAF50;color:#fff;border:none;padding:10px 18px;border-radius:8px;cursor:pointer;font-weight:600}
.dtnl-btn:hover{background:#2e7d32}
.dtnl-highlight{animation: dtnlFlash 1s ease;}
@keyframes dtnlFlash{0%{background: #fff9c4}100%{background:transparent}}
.dtnl-success{color:#2e7d32;padding:8px;background:#ecf9f0;border-radius:6px;margin-top:8px} .dtnl-error{color:#c62828;padding:8px;background:#fff0f0;border-radius:6px;margin-top:8px}