:root {
  --primary: #10B981; --primary-dim: rgba(16,185,129,0.12); --secondary: #34D399;
  --accent: #F59E0B; --accent-dim: rgba(245,158,11,0.12); --bg: #0A140A;
  --bg-card: #111D11; --bg-surface: #1A2E1A; --bg-input: #0D180D;
  --border: rgba(16,185,129,0.12); --border-hover: rgba(16,185,129,0.3);
  --text: #E2E8F0; --text-dim: #94A3B8; --text-muted: #64748B;
  --red: #EF4444; --yellow: #FBBF24;
  --radius: 12px; --radius-sm: 8px;
  --font: 'Inter',-apple-system,BlinkMacSystemFont,system-ui,sans-serif;
  --mono: 'JetBrains Mono','Fira Code',monospace;
  --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;-webkit-font-smoothing:antialiased}
body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh}
.app{max-width:900px;margin:0 auto;padding:0 20px 60px}
.header{padding:32px 0 16px;text-align:center}
.header-content{display:flex;flex-direction:column;align-items:center;gap:4px}
.logo{display:flex;align-items:center;gap:10px}
.logo-icon{font-size:1.6rem}
.logo-text{font-size:1.3rem;font-weight:700;background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.tagline{font-size:.82rem;color:var(--text-muted);margin-top:4px}

.btn-primary,.btn-secondary,.btn-small{padding:10px 20px;border:1px solid var(--border);border-radius:var(--radius-sm);font-family:var(--font);font-size:.85rem;font-weight:600;cursor:pointer;transition:all var(--transition)}
.btn-primary{background:var(--primary);color:#000;border-color:var(--primary)}
.btn-small{padding:6px 14px;font-size:.78rem;background:var(--bg-surface);color:var(--text)}
.btn-small:hover{border-color:var(--primary)}

.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:16px}
.card-title{font-size:.85rem;font-weight:700;color:var(--text-dim);margin-bottom:14px;padding-bottom:8px;border-bottom:1px solid var(--border)}
.card-title-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;padding-bottom:8px;border-bottom:1px solid var(--border)}
.card-title-row .card-title{margin-bottom:0;padding-bottom:0;border-bottom:none}

.inputs-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.field{display:flex;flex-direction:column;gap:4px}
.label{font-size:.72rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em}
.input{padding:8px 12px;background:var(--bg-input);border:1px solid var(--border);border-radius:6px;color:var(--text);font-family:var(--font);font-size:.85rem;outline:none;transition:border-color var(--transition)}
.input:focus{border-color:var(--primary)}

.summary-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-bottom:16px}
.summary-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;text-align:center}
.summary-value{font-size:1.4rem;font-weight:700;font-family:var(--mono);color:var(--secondary)}
.summary-label{font-size:.68rem;color:var(--text-muted);text-transform:uppercase;margin-top:4px}
.summary-card.warn .summary-value{color:var(--yellow)}
.summary-card.danger .summary-value{color:var(--red)}
.summary-card.accent .summary-value{color:var(--accent)}

.scenario-toggles{display:flex;gap:16px;margin-bottom:12px;flex-wrap:wrap}
.toggle-label{display:flex;align-items:center;gap:6px;cursor:pointer;font-size:.82rem;color:var(--text-dim)}
.toggle-label input{accent-color:var(--primary)}

.chart-container{overflow-x:auto}
canvas{width:100%;height:auto;display:block}

.table-wrapper{overflow-x:auto;max-height:400px;overflow-y:auto}
.data-table{width:100%;border-collapse:collapse}
.data-table th,.data-table td{padding:8px 14px;text-align:right;white-space:nowrap;font-size:.82rem}
.data-table th{background:var(--bg-surface);color:var(--text-muted);font-weight:600;font-size:.72rem;text-transform:uppercase;position:sticky;top:0;z-index:1}
.data-table td{border-top:1px solid var(--border);font-family:var(--mono)}
.data-table tr:hover td{background:rgba(16,185,129,0.04)}
.data-table td:first-child{text-align:center;color:var(--text-dim)}
.data-table .negative{color:var(--red)}
.data-table .positive{color:var(--secondary)}
.data-table .zero-row td{color:var(--accent);font-weight:600}

@media(max-width:640px){.inputs-grid{grid-template-columns:1fr}.summary-cards{grid-template-columns:1fr 1fr}}