:root{
  --opc-page-bg: transparent;
  --opc-panel: #ffffff;
  --opc-panel-alt: #f8fafc;
  --opc-border: rgba(15,23,42,.10);
  --opc-border-strong: rgba(15,23,42,.16);
  --opc-text: #0f172a;
  --opc-muted: #64748b;
  --opc-accent: #ff1e00;
  --opc-green: #16a34a;
  --opc-red: #dc2626;
  --opc-shadow: 0 10px 24px rgba(15,23,42,.06);
  --opc-radius: 16px;
}

.opc-app{
  width:100%;
  color:var(--opc-text);
}

.opc-grid{
  display:grid;
  grid-template-columns: 460px minmax(0,1fr);
  gap:16px;
  align-items:start;
}

.opc-panel{
  background:var(--opc-panel);
  border:1px solid var(--opc-border);
  border-radius:var(--opc-radius);
  padding:18px;
  box-shadow:var(--opc-shadow);
}

.opc-form{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr));
  gap:12px 12px;
  position:sticky;
  top:16px;
  align-items:start;
}

.opc-field label{
  display:block;
  margin:0 0 6px;
  font-size:13px;
  line-height:1.3;
  font-weight:800;
  color:#334155;
}

.opc-field input,
.opc-field select{
  width:100%;
  height:46px;
  border:1px solid var(--opc-border);
  border-radius:12px;
  background:#fff;
  color:var(--opc-text);
  padding:0 14px;
  font-size:15px;
  outline:none;
  transition:border-color .18s ease, box-shadow .18s ease, background .18s ease;
}

.opc-field input:hover,
.opc-field select:hover{
  border-color:var(--opc-border-strong);
}

.opc-field input:focus,
.opc-field select:focus{
  border-color:rgba(255,30,0,.45);
  box-shadow:0 0 0 4px rgba(255,30,0,.08);
}

.opc-results{
  display:flex;
  flex-direction:column;
  gap:18px;
}

.opc-metrics{
  display:grid;
  grid-template-columns:repeat(3, minmax(0,1fr));
  gap:10px;
}

.opc-metric{
  background:linear-gradient(180deg,#ffffff 0%, #fbfdff 100%);
  border:1px solid var(--opc-border);
  border-radius:14px;
  padding:12px 14px;
  min-height:78px;
}

.opc-metric span{
  display:block;
  margin-bottom:8px;
  font-size:12px;
  line-height:1.3;
  font-weight:800;
  letter-spacing:.01em;
  color:var(--opc-muted);
}

.opc-metric strong{
  display:block;
  font-size:17px;
  line-height:1.15;
  font-weight:800;
  color:var(--opc-text);
  word-break:break-word;
}

.opc-section{
  background:var(--opc-panel);
  border:1px solid var(--opc-border);
  border-radius:var(--opc-radius);
  box-shadow:var(--opc-shadow);
  overflow:hidden;
}

.opc-section-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:14px 16px 10px;
  border-bottom:1px solid rgba(15,23,42,.06);
  background:linear-gradient(180deg,#ffffff 0%, #fcfdff 100%);
}

.opc-section-head h2{
  margin:0;
  font-size:16px;
  line-height:1.2;
  color:var(--opc-text);
}

.opc-section-head p{
  margin:2px 0 0;
  font-size:12px;
  color:var(--opc-muted);
}

.opc-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 10px;
  border-radius:999px;
  border:1px solid rgba(255,30,0,.14);
  background:rgba(255,30,0,.05);
  color:#7c2d12;
  font-size:12px;
  font-weight:800;
  white-space:nowrap;
}

.opc-badge-dot{
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--opc-accent);
}

.opc-table-wrap{
  padding:0 0 6px;
}

.opc-table{
  width:100%;
  border-collapse:collapse;
  background:#fff;
}

.opc-table thead th{
  text-align:left;
  padding:12px 16px;
  font-size:12px;
  font-weight:800;
  color:#475569;
  background:#f8fafc;
  border-bottom:1px solid rgba(15,23,42,.08);
}

.opc-table tbody td{
  padding:12px 16px;
  font-size:13px;
  color:var(--opc-text);
  border-bottom:1px solid rgba(15,23,42,.06);
  vertical-align:middle;
}

.opc-table tbody tr:hover{
  background:#fcfdff;
}

.opc-table tbody tr:last-child td{
  border-bottom:none;
}

.opc-num{
  font-variant-numeric: tabular-nums;
}

.opc-pos{
  color:var(--opc-green);
  font-weight:800;
}

.opc-neg{
  color:var(--opc-red);
  font-weight:800;
}

.opc-neutral{
  color:var(--opc-text);
  font-weight:700;
}

.opc-actions{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px;
  margin-top:4px;
}

.opc-btn{
  height:46px;
  border-radius:12px;
  border:1px solid transparent;
  font-size:14px;
  font-weight:800;
  cursor:pointer;
  transition:transform .12s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
}

.opc-btn:hover{
  transform:translateY(-1px);
}

.opc-btn:active{
  transform:translateY(0);
}

.opc-btn-primary{
  background:var(--opc-accent);
  color:#fff;
  box-shadow:0 8px 18px rgba(255,30,0,.18);
}

.opc-btn-primary:hover{
  background:#e11d00;
}

.opc-btn-secondary{
  background:#fff;
  color:var(--opc-text);
  border-color:var(--opc-border-strong);
}

.opc-btn-secondary:hover{
  background:#f8fafc;
}

.opc-field input[readonly]{
  background:#f8fafc;
  color:#475569;
  cursor:not-allowed;
}

.opc-actions{
  grid-column:1 / -1;
  display:flex;
  gap:10px;
  margin-bottom:2px;
}
.opc-field{
  min-width:0;
}
.opc-field--full{
  grid-column:1 / -1;
}

.opc-btn{
  height:42px;
  padding:0 16px;
  border-radius:12px;
  border:1px solid transparent;
  font-size:14px;
  font-weight:800;
  letter-spacing:.01em;
  cursor:pointer;
  transition:
    transform .12s ease,
    box-shadow .18s ease,
    background .18s ease,
    border-color .18s ease,
    color .18s ease;
}

.opc-btn:hover{
  transform:translateY(-1px);
}

.opc-btn:active{
  transform:translateY(0);
}

.opc-btn-primary{
  background:linear-gradient(180deg, #ff3b1f 0%, #ff1e00 100%);
  color:#fff;
  border-color:#e42810;
  box-shadow:0 10px 18px rgba(255,30,0,.18);
}

.opc-btn-primary:hover{
  background:linear-gradient(180deg, #ff4a31 0%, #f52608 100%);
  box-shadow:0 12px 22px rgba(255,30,0,.22);
}

.opc-btn-secondary{
  background:#fff;
  color:var(--opc-text);
  border-color:rgba(15,23,42,.12);
  box-shadow:0 4px 12px rgba(15,23,42,.05);
}

.opc-btn-secondary:hover{
  background:#f8fafc;
  border-color:rgba(15,23,42,.18);
}
.opc-summary-list{
  display:grid;
  gap:10px;
}

.opc-summary-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:8px 0;
  border-bottom:1px solid rgba(15,23,42,.06);
}

.opc-summary-row:last-child{
  border-bottom:none;
}

.opc-summary-row span{
  font-size:14px;
  color:var(--opc-muted);
  font-weight:700;
}

.opc-summary-row strong{
  font-size:18px;
  color:var(--opc-text);
  font-weight:800;
}

.opc-table{
  table-layout:fixed;
}

.opc-table th,
.opc-table td{
  white-space:nowrap;
}

@media (max-width: 1180px){
  .opc-grid{
    grid-template-columns:1fr;
  }

  .opc-form{
    position:static;
  }
}

@media (max-width: 860px){
  .opc-metrics{
    grid-template-columns:repeat(2, minmax(0,1fr));
  }
}

@media (max-width: 560px){
  .opc-panel,
  .opc-section{
    border-radius:14px;
  }

  .opc-metrics{
    grid-template-columns:1fr;
  }

  .opc-section-head{
    flex-direction:column;
    align-items:flex-start;
  }

  .opc-table thead th,
  .opc-table tbody td{
    padding:12px 12px;
    font-size:13px;
  }
}

@media (max-width: 560px){
  .opc-actions{
    grid-template-columns:1fr;
  }
}

@media (max-width: 1180px){
  .opc-grid{
    grid-template-columns:1fr;
  }

  .opc-form{
    position:static;
    grid-template-columns:repeat(2, minmax(0,1fr));
  }
}

@media (max-width: 700px){
  .opc-form{
    grid-template-columns:1fr;
  }

  .opc-field--full,
  .opc-actions{
    grid-column:auto;
  }
}