body{background:#060814;margin:0}#root{min-height:100vh}*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#060814;--bg-card:#0d1224;--bg-card2:#111827;--border:#1e2d4a;--border2:#243550;--text:#e2e8f0;--text-muted:#64748b;--text-dim:#94a3b8;--accent:#00d4ff;--accent2:#38bdf8;--chem:#ff7e5e;--beam:#00d4ff;--glow:#00d4ff26;color:var(--text);background:var(--bg);font-family:system-ui,-apple-system,Segoe UI,sans-serif;font-size:15px;line-height:1.5}.app{flex-direction:column;min-height:100vh;display:flex}.site-header{background:var(--bg-card);border-bottom:1px solid var(--border);padding:0 24px}.header-inner{align-items:center;gap:20px;max-width:1280px;height:64px;margin:0 auto;display:flex}.logo{flex-shrink:0;align-items:center;gap:8px;display:flex}.logo-mark{color:var(--accent);font-size:22px}.logo-text{letter-spacing:-.5px;font-size:18px;font-weight:700}.header-title{flex:1}.header-title h1{font-size:16px;font-weight:600}.header-title p{color:var(--text-muted);font-size:12px}.header-badge{color:var(--text-muted);border:1px solid var(--border2);border-radius:4px;flex-shrink:0;padding:3px 8px;font-size:11px}.main-layout{grid-template-columns:380px 1fr;gap:20px;width:100%;max-width:1280px;margin:24px auto;padding:0 24px;display:grid}.left-col{flex-direction:column;gap:0;display:flex}.right-col{flex-direction:column;gap:20px;display:flex}.brief-section{width:100%;max-width:1280px;margin:0 auto 24px;padding:0 24px}.panel{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:20px}.panel-title{text-transform:uppercase;letter-spacing:.08em;color:var(--text-dim);margin-bottom:16px;font-size:14px;font-weight:600}.section-title{text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin-bottom:12px;font-size:13px;font-weight:600}.divider{border:none;border-top:1px solid var(--border);margin:16px 0}.field-label{text-transform:uppercase;letter-spacing:.07em;color:var(--text-muted);margin-bottom:8px;font-size:12px;font-weight:600;display:block}.preset-grid{grid-template-columns:1fr 1fr;gap:8px;margin-bottom:12px;display:grid}.preset-btn{background:var(--bg-card2);border:1px solid var(--border2);cursor:pointer;text-align:left;border-radius:8px;flex-direction:column;gap:3px;padding:10px 12px;transition:all .15s;display:flex}.preset-btn:hover{border-color:var(--accent2)}.preset-btn.active{border-color:var(--accent);background:#00d4ff0f}.preset-label{color:var(--text);font-size:12px;font-weight:600}.preset-dv{color:var(--text-muted);font-size:11px}.preset-desc{color:var(--text-muted);margin-bottom:4px;font-size:12px;line-height:1.5}.slider-row{margin-bottom:14px}.slider-header{justify-content:space-between;align-items:baseline;margin-bottom:6px;display:flex}.slider-label{color:var(--text-dim);font-size:13px}.slider-value{color:var(--accent);font-size:14px;font-weight:700}.slider-unit{color:var(--text-muted);font-size:11px;font-weight:400}.slider-input{appearance:none;background:var(--border2);cursor:pointer;border-radius:2px;outline:none;width:100%;height:4px}.slider-input::-webkit-slider-thumb{appearance:none;background:var(--accent);border:2px solid var(--bg);width:14px;height:14px;box-shadow:0 0 6px var(--glow);cursor:pointer;border-radius:50%}.slider-input::-moz-range-thumb{background:var(--accent);border:2px solid var(--bg);cursor:pointer;border-radius:50%;width:14px;height:14px}.slider-bounds{color:var(--text-muted);justify-content:space-between;margin-top:4px;font-size:10px;display:flex}.mode-toggle{margin-bottom:14px}.toggle-row{grid-template-columns:1fr 1fr;gap:8px;margin-top:8px;display:grid}.mode-btn{border:1px solid var(--border2);background:var(--bg-card2);color:var(--text-muted);cursor:pointer;border-radius:8px;padding:9px;font-size:13px;transition:all .15s}.mode-btn:hover{border-color:var(--accent2);color:var(--text)}.mode-btn.active{border-color:var(--accent);color:var(--accent);background:#00d4ff14;font-weight:600}.savings-banner{background:#00d4ff0f;border:1px solid #00d4ff33;border-radius:8px;align-items:baseline;gap:10px;margin-bottom:16px;padding:12px 16px;display:flex}.savings-pct{color:var(--accent);letter-spacing:-1px;font-size:28px;font-weight:800}.savings-label{color:var(--text-muted);font-size:13px}.metrics-grid{grid-template-columns:1fr 1fr;gap:10px;margin-bottom:20px;display:grid}.metric-card{background:var(--bg-card2);border:1px solid var(--border);border-radius:8px;padding:12px}.metric-card.highlight{border-color:var(--border2)}.metric-card.solo{text-align:center;padding:14px}.metric-label{text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin-bottom:8px;font-size:11px}.metric-row{align-items:center;gap:8px;margin-bottom:4px;display:flex}.tag{text-transform:uppercase;letter-spacing:.05em;border-radius:3px;flex-shrink:0;padding:2px 5px;font-size:10px;font-weight:700}.tag.chem{color:var(--chem);background:#ff7e5e26}.tag.beam{color:var(--beam);background:#00d4ff1f}.metric-value{color:var(--text);font-size:14px;font-weight:700}.metric-value.accent{color:var(--accent)}.metric-value.large{margin-top:6px;font-size:18px;display:block}.transit-section{border-top:1px solid var(--border);padding-top:16px}.transit-grid{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:10px;display:flex}.transit-card{background:var(--bg-card2);border:1px solid var(--border);text-align:center;border-radius:8px;flex:1;min-width:100px;padding:12px}.transit-tag{text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px;font-size:10px;font-weight:700}.transit-tag.chem{color:var(--chem)}.transit-tag.beam{color:var(--beam)}.transit-time{color:var(--text);font-size:18px;font-weight:800}.transit-time.accent{color:var(--accent)}.transit-arrow{color:var(--border2);font-size:20px}.speedup-badge{color:var(--accent);background:#00d4ff14;border:1px solid #00d4ff40;border-radius:20px;padding:4px 12px;font-size:12px;font-weight:700}.transit-note{color:var(--text-muted);font-size:11px;font-style:italic;line-height:1.6}.chart-legend{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:12px;display:flex}.legend-dot{border-radius:50%;flex-shrink:0;width:10px;height:10px}.legend-dot.chem{background:var(--chem)}.legend-dot.beam{background:var(--beam)}.legend-text{color:var(--text-muted);margin-right:12px;font-size:12px}.chart-note{color:var(--text-muted);margin-top:12px;font-size:11px;font-style:italic;line-height:1.6}.brief-header{justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:16px;display:flex}.brief-subtitle{color:var(--text-muted);margin-top:4px;font-size:13px}.brief-btn{color:var(--accent);cursor:pointer;white-space:nowrap;background:linear-gradient(135deg,#00d4ff26,#38bdf814);border:1px solid #00d4ff66;border-radius:8px;flex-shrink:0;padding:10px 20px;font-size:14px;font-weight:600;transition:all .2s}.brief-btn:hover:not(:disabled){background:linear-gradient(135deg,#00d4ff40,#38bdf826);box-shadow:0 0 16px #00d4ff33}.brief-btn:disabled{opacity:.6;cursor:default}.spinner-wrapper{align-items:center;gap:8px;display:flex}.spinner{border:2px solid #00d4ff4d;border-top-color:var(--accent);border-radius:50%;width:14px;height:14px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.brief-content{border-top:1px solid var(--border);padding-top:16px}.brief-meta{justify-content:space-between;align-items:center;margin-bottom:14px;display:flex}.brief-badge{color:var(--text-muted);background:var(--bg-card2);border:1px solid var(--border);border-radius:4px;padding:3px 8px;font-size:11px}.brief-close{color:var(--text-muted);cursor:pointer;background:0 0;border:none;padding:4px 8px;font-size:12px}.brief-close:hover{color:var(--text)}.brief-text{color:var(--text-dim);white-space:pre-wrap;background:var(--bg-card2);border:1px solid var(--border);border-radius:8px;padding:16px;font-family:inherit;font-size:13px;line-height:1.8}.demo-note{color:var(--text-muted);font-size:12px;font-style:italic;line-height:1.6}.site-footer{border-top:1px solid var(--border);text-align:center;color:var(--text-muted);margin-top:auto;padding:16px 24px;font-size:12px;line-height:1.8}.site-footer a{color:var(--accent2);text-decoration:none}.site-footer a:hover{text-decoration:underline}@media (width<=900px){.main-layout{grid-template-columns:1fr;padding:0 16px}.brief-section{padding:0 16px}.metrics-grid{grid-template-columns:1fr}.brief-header{flex-direction:column}}