:root{
  --brand: #FD5200;
  --brand2:#FD5531;
  --bg:#131212;
  --surface:#2B2C31;
  --text:#FAFBFA;
  --muted:#8F8E8D;
  --line: rgba(226,226,226,.10);
  --shadow: 0 10px 35px rgba(0,0,0,.45);
  --radius: 16px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 700px at 20% 20%, rgba(253,82,0,.12), transparent 55%),
              radial-gradient(1000px 600px at 80% 10%, rgba(253,85,49,.08), transparent 60%),
              linear-gradient(180deg, #0c0c0c, var(--bg));
  color: var(--text);
}

.bg-watermark{
  position:fixed; inset:0;
  pointer-events:none;
  opacity:.18;
  background:
    radial-gradient(circle at 12% 70%, rgba(253,82,0,.25) 0 2px, transparent 3px),
    radial-gradient(circle at 12% 70%, transparent 0 110px, rgba(253,82,0,.10) 111px 112px, transparent 113px),
    radial-gradient(circle at 12% 70%, transparent 0 170px, rgba(253,82,0,.08) 171px 172px, transparent 173px),
    repeating-linear-gradient(-25deg, rgba(255,255,255,.06), rgba(255,255,255,.06) 1px, transparent 1px, transparent 22px);
  mix-blend-mode: screen;
}

.app{
  display:grid;
  grid-template-columns: 300px 1fr;
  min-height:100vh;
}

.sidebar{
  position:sticky; top:0;
  height:100vh;
  padding:18px 16px;
  border-right:1px solid var(--line);
  background: rgba(0,0,0,.35);
  backdrop-filter: blur(10px);
  display:flex; flex-direction:column;
}

.brand{
  display:flex; align-items:center; gap:12px;
  padding:12px 12px;
  border:1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(43,44,49,.45);
  box-shadow: var(--shadow);
}
.brand-logo{ width:42px; height:42px; object-fit:contain; }
.brand-title{
  font-family: Montserrat, Inter, sans-serif;
  font-weight: 800;
  letter-spacing:.06em;
  text-transform: uppercase;
  color: var(--brand);
  font-size: 18px;
  line-height: 1.1;
}
.brand-subtitle{
  font-family: Montserrat, Inter, sans-serif;
  font-weight: 700;
  letter-spacing:.08em;
  text-transform: uppercase;
  color: rgba(250,251,250,.50);
  font-size: 13px;
  margin-top:3px;
}

.nav{ margin-top:14px; display:flex; flex-direction:column; gap:8px; }
.nav-item{
  appearance:none; border:none; cursor:pointer;
  width:100%;
  display:flex; align-items:center; gap:10px;
  padding:12px 12px;
  border-radius: 14px;
  color: rgba(250,251,250,.86);
  background: rgba(43,44,49,.25);
  border:1px solid rgba(226,226,226,.08);
  transition: .15s ease;
  font-weight: 600;
}
.nav-item .dot{
  width:10px; height:10px; border-radius:999px;
  border:2px solid rgba(253,82,0,.45);
  box-shadow: 0 0 0 3px rgba(253,82,0,.08);
}
.nav-item:hover{
  border-color: rgba(253,82,0,.25);
  transform: translateY(-1px);
}
.nav-item.active{
  background: rgba(253,82,0,.14);
  border-color: rgba(253,82,0,.35);
}
.nav-item.active .dot{ background: var(--brand); border-color: var(--brand); }

.sidebar-footer{ margin-top:auto; display:flex; flex-direction:column; gap:10px; }
.upload-card{
  padding:12px;
  border:1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(43,44,49,.35);
}
.upload-title{
  font-family: Montserrat, Inter, sans-serif;
  font-weight: 800;
  letter-spacing:.05em;
  text-transform: uppercase;
  font-size: 12px;
  color: rgba(250,251,250,.86);
}
.upload-hint{ color: rgba(250,251,250,.55); font-size: 12px; margin-top:6px; }
input[type="file"]{
  width:100%;
  margin-top:10px;
  padding:10px;
  border-radius: 12px;
  border:1px dashed rgba(253,82,0,.35);
  background: rgba(0,0,0,.25);
  color: rgba(250,251,250,.85);
}
.status{
  margin-top:10px;
  font-size: 12px;
  color: rgba(250,251,250,.75);
  line-height:1.35;
}
.footnote{ color: rgba(250,251,250,.45); font-size: 12px; padding: 0 6px; }

.main{ padding: 18px 18px 14px; }
.topbar{
  display:flex; align-items:center; justify-content:space-between;
  gap: 12px;
  padding: 14px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(43,44,49,.32);
  box-shadow: var(--shadow);
}
.page-title{
  font-family: Montserrat, Inter, sans-serif;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: rgba(250,251,250,.92);
}

.footer{
  margin-top: 16px;
  color: rgba(250,251,250,.45);
  font-size: 12px;
  padding: 8px 2px;
}

.page{ margin-top: 16px; }
.hidden{ display:none; }

.grid{ display:grid; gap: 12px; }
.kpi-grid{ grid-template-columns: repeat(6, minmax(0, 1fr)); }
.charts-grid{ grid-template-columns: 2fr 1.2fr 1.6fr; align-items: stretch; }
.two-col{ grid-template-columns: 1fr 1fr; }

.card{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(43,44,49,.35);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.card:hover{ border-color: rgba(253,82,0,.22); }
.card-head{
  padding: 12px 12px 0;
}
.card-title{
  font-family: Montserrat, Inter, sans-serif;
  font-weight: 800;
  letter-spacing: .03em;
  text-transform: uppercase;
  font-size: 12px;
  color: rgba(250,251,250,.90);
}
.card-subtitle{
  margin-top: 6px;
  font-size: 12px;
  color: rgba(250,251,250,.55);
}
.card-body{ padding: 12px; }

.kpi{
  padding: 12px;
  border-radius: var(--radius);
  border: 1px solid rgba(226,226,226,.08);
  background: rgba(0,0,0,.18);
  min-height: 92px;
}
.kpi:hover{ border-color: rgba(253,82,0,.25); }
.kpi-label{
  color: rgba(250,251,250,.58);
  font-size: 12px;
}
.kpi-value{
  margin-top: 8px;
  font-family: Montserrat, Inter, sans-serif;
  font-weight: 800;
  letter-spacing: .02em;
  font-size: 22px;
  color: rgba(250,251,250,.95);
}
.kpi-tag{
  margin-top: 10px;
  display:inline-flex;
  gap:8px;
  align-items:center;
  padding: 6px 8px;
  border-radius: 999px;
  border: 1px solid rgba(253,82,0,.25);
  background: rgba(253,82,0,.12);
  color: rgba(250,251,250,.85);
  font-size: 12px;
}

.btn{
  appearance:none;
  border:none;
  cursor:pointer;
  padding: 10px 12px;
  border-radius: 12px;
  font-weight: 700;
  letter-spacing: .02em;
  transition: .15s ease;
}
.btn:focus{ outline: 3px solid rgba(253,82,0,.35); outline-offset: 2px; }

.btn-primary{ background: var(--brand); color: #0B0B0B; }
.btn-primary:hover{ background: var(--brand2); transform: translateY(-1px); }

.btn-secondary{
  background: transparent;
  color: rgba(250,251,250,.88);
  border: 1px solid rgba(253,82,0,.35);
}
.btn-secondary:hover{ background: rgba(253,82,0,.12); transform: translateY(-1px); }

.btn-ghost{
  background: transparent;
  color: rgba(250,251,250,.70);
}
.btn-ghost:hover{ color: var(--brand); }

.btn:disabled{ opacity:.45; cursor:not-allowed; transform:none!important; }

.btn-row{ display:flex; gap:10px; margin-top:10px; }
.btn-row.wrap{ flex-wrap:wrap; }

.toggle-row{ display:flex; gap:8px; margin-bottom: 10px; }
.chip{
  cursor:pointer;
  padding: 8px 10px;
  border-radius: 999px;
  background: rgba(0,0,0,.18);
  border: 1px solid rgba(226,226,226,.10);
  color: rgba(250,251,250,.8);
  font-weight: 700;
}
.chip.active{
  background: rgba(253,82,0,.14);
  border-color: rgba(253,82,0,.35);
  color: rgba(250,251,250,.92);
}

.table-controls{
  display:flex;
  gap: 10px;
  margin-bottom: 10px;
}
select, input[type="text"]{
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(226,226,226,.10);
  background: rgba(0,0,0,.18);
  color: rgba(250,251,250,.88);
}
.table-wrap{ overflow:auto; border-radius: 12px; border:1px solid rgba(226,226,226,.08); }
.table{
  width:100%;
  border-collapse: collapse;
  font-size: 13px;
}
.table th{
  position: sticky; top: 0;
  background: rgba(0,0,0,.35);
  color: rgba(250,251,250,.8);
  text-align:left;
  padding: 10px 10px;
  border-bottom: 1px solid rgba(226,226,226,.10);
  white-space: nowrap;
}
.table td{
  padding: 9px 10px;
  border-bottom: 1px solid rgba(226,226,226,.06);
  color: rgba(250,251,250,.82);
}
.table tr:nth-child(even) td{ background: rgba(255,255,255,.02); }
.table td.num{ text-align:right; font-family: var(--mono); }
.table td.muted{ color: rgba(250,251,250,.55); }
.badge{
  display:inline-flex;
  align-items:center;
  padding: 4px 8px;
  border-radius: 999px;
  border:1px solid rgba(253,82,0,.25);
  background: rgba(253,82,0,.12);
  font-size: 12px;
}

@media (max-width: 1200px){
  .app{ grid-template-columns: 1fr; }
  .sidebar{ position:relative; height:auto; }
  .kpi-grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .charts-grid{ grid-template-columns: 1fr; }
  .two-col{ grid-template-columns: 1fr; }
}