*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
       background: #0f172a; color: #cbd5e1; font-size: 14px; }
a { color: inherit; text-decoration: none; }
.layout { display: flex; min-height: 100vh; }
.sidebar { width: 200px; background: #1e293b; padding: 16px; flex-shrink: 0;
           display: flex; flex-direction: column; gap: 4px; }
.sidebar .logo { color: #e94560; font-weight: bold; font-size: 16px; margin-bottom: 16px; }
.sidebar a { padding: 8px 12px; border-radius: 6px; color: #94a3b8; display: block; }
.sidebar a:hover, .sidebar a.active { background: #334155; color: #f1f5f9; }
.main { flex: 1; padding: 24px; display: flex; flex-direction: column; gap: 16px; }
.page-title { font-size: 20px; font-weight: bold; color: #f1f5f9; }
.kpi-row { display: flex; gap: 12px; }
.kpi-card { flex: 1; background: #1e293b; border-radius: 8px; padding: 16px; }
.kpi-card .label { font-size: 11px; color: #64748b; margin-bottom: 4px; }
.kpi-card .value { font-size: 22px; font-weight: bold; color: #f1f5f9; }
.kpi-card.danger { background: #2d0a0a; border: 1px solid #f87171; }
.kpi-card.danger .value { color: #f87171; }
.table-wrap { background: #1e293b; border-radius: 8px; overflow: hidden; }
table { width: 100%; border-collapse: collapse; }
th { padding: 10px 14px; text-align: right; font-size: 11px; color: #64748b;
     text-transform: uppercase; border-bottom: 1px solid #334155; }
th:first-child { text-align: left; }
td { padding: 10px 14px; text-align: right; border-bottom: 1px solid #0f172a; }
td:first-child { text-align: left; }
tr.deficit { background: #2d0a0a; }
tr:hover { background: #263448; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 11px; }
.badge.ok { background: #166534; color: #4ade80; }
.badge.ng { background: #7f1d1d; color: #f87171; }
.profit { color: #4ade80; }
.deficit-text { color: #f87171; }
.neutral { color: #94a3b8; }
.btn { padding: 8px 16px; border-radius: 6px; border: none; cursor: pointer; font-size: 13px; }
.btn-primary { background: #1d4ed8; color: #fff; }
.btn-primary:hover { background: #1e40af; }
input, select { background: #0f172a; border: 1px solid #334155; color: #f1f5f9;
                border-radius: 6px; padding: 6px 10px; font-size: 13px; width: 100%; }
.drop-zone { border: 2px dashed #334155; border-radius: 8px; padding: 40px;
             text-align: center; cursor: pointer; color: #64748b; }
.drop-zone:hover { border-color: #60a5fa; color: #60a5fa; }
.mapping-row { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.mapping-row label { width: 140px; color: #94a3b8; flex-shrink: 0; }
.sim-grid { display: flex; gap: 16px; }
.sim-panel { flex: 1; background: #1e293b; border-radius: 8px; padding: 16px;
             display: flex; flex-direction: column; gap: 12px; }
.cost-row { display: flex; justify-content: space-between; font-size: 13px; }
.cost-row.total { font-weight: bold; font-size: 15px; border-top: 1px solid #334155; padding-top: 8px; }
.result-box { background: #1c3a2e; border: 1px solid #4ade80; border-radius: 8px; padding: 12px; }
.result-box.bad { background: #2d0a0a; border-color: #f87171; }