:root{--accent:#bd00ff;--bg-app:#050510;--bg-card:#0d0d1f;--bg-input:#111128;--text-primary:#fff;--text-secondary:#88a;--text-muted:#557;--cyan:#00f3ff;--purple:#bc13fe;--green:#10b981;--red:#f43f5e;--amber:#f59e0b;--border:#ffffff14;--radius:12px}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-app);color:var(--text-primary);min-height:100vh;font-family:Inter,sans-serif;line-height:1.5}a{color:inherit;text-decoration:none}.calc-breadcrumb{color:var(--text-muted);padding:10px 24px;font-size:.79rem}.calc-breadcrumb a{color:var(--text-secondary)}.main-container{max-width:1200px;margin:0 auto;padding:24px}.calc-title{margin-bottom:8px;font-size:2rem;font-weight:700}.calc-subtitle{color:var(--text-secondary);margin-bottom:24px;font-size:.92rem}.tab-nav{border-bottom:1px solid var(--border);margin-bottom:24px;display:flex}.tab-btn{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;margin-bottom:-1px;padding:10px 22px;font-family:inherit;font-size:.9rem;transition:all .2s}.tab-btn:hover{color:var(--text-primary)}.tab-btn.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}.tab-content{display:none}.tab-content.active{display:block}.calc-layout{grid-template-columns:340px 1fr;align-items:start;gap:20px;display:grid}@media (width<=900px){.calc-layout{grid-template-columns:1fr}}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.input-card{border-left:3px solid var(--cyan)}.result-card{border-left:3px solid var(--purple)}.form-group{margin-bottom:16px}.form-label{color:var(--text-secondary);margin-bottom:6px;font-size:.82rem;font-weight:500;display:block}.form-input,.form-select{background:var(--bg-input);border:1px solid var(--border);width:100%;color:var(--text-primary);border-radius:8px;padding:10px 14px;font-family:inherit;font-size:.92rem;transition:border-color .2s}.form-input:focus,.form-select:focus{border-color:var(--accent);outline:none}.form-select option{background:var(--bg-card)}.inline-inputs{grid-template-columns:1fr 1fr;gap:8px;display:grid}.section-title{margin-bottom:14px;font-size:1rem;font-weight:700}.hero-result{text-align:center;border-radius:var(--radius);background:linear-gradient(135deg,#bd00ff14,#00f3ff0a);border:1px solid #bd00ff33;margin-bottom:20px;padding:24px}.hero-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:6px;font-size:.78rem}.hero-value{color:var(--accent);font-size:2rem;font-weight:800;line-height:1.1}.hero-sub{color:var(--text-secondary);margin-top:6px;font-size:.87rem}.stat-grid{grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:20px;display:grid}@media (width<=768px){.stat-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=480px){.stat-grid{grid-template-columns:1fr}}.stat-card{border:1px solid var(--border);border-left:3px solid var(--purple);border-radius:var(--radius);background:#ffffff06;padding:13px}.stat-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:5px;font-size:.71rem}.stat-value{color:var(--text-primary);font-size:1.05rem;font-weight:700}.formula-strip{flex-wrap:wrap;gap:8px;margin-bottom:20px;display:flex}.formula-pill{color:var(--accent);white-space:nowrap;background:#bd00ff1a;border:1px solid #bd00ff4d;border-radius:20px;padding:5px 14px;font-size:.75rem}.chart-wrap{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:20px;padding:16px}.chart-title{color:var(--text-secondary);margin-bottom:12px;font-size:.85rem;font-weight:600}.alert-stack{flex-direction:column;gap:8px;margin-bottom:20px;display:flex}.alert{border-left:3px solid;border-radius:8px;padding:10px 14px;font-size:.84rem}.alert-info{color:#7fffd4;background:#00d1c114;border-color:#00d1c1}.alert-success{border-color:var(--green);color:#6ee7b7;background:#10b98114}.alert-warn{border-color:var(--amber);color:#fcd34d;background:#f59e0b14}.action-bar{flex-wrap:wrap;gap:8px;display:flex}.btn{cursor:pointer;border:none;border-radius:8px;padding:10px 18px;font-family:inherit;font-size:.84rem;font-weight:600;transition:all .2s}.btn-primary{background:linear-gradient(135deg, var(--green), #059669);color:#fff}.btn-primary:hover{opacity:.9;transform:translateY(-1px)}.btn-outline{border:1px solid var(--border);color:var(--text-secondary);background:0 0}.btn-outline:hover{border-color:var(--accent);color:var(--accent)}.btn-danger-outline{color:var(--text-muted);border-color:#f43f5e4d}.btn-danger-outline:hover{border-color:var(--red);color:var(--red)}.toggle-row{gap:8px;margin-bottom:12px;display:flex}.toggle-btn{border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;background:0 0;border-radius:6px;padding:6px 14px;font-family:inherit;font-size:.83rem}.toggle-btn.active{border-color:var(--accent);color:var(--accent);background:#bd00ff26}.range-slider{width:100%;accent-color:var(--accent);cursor:pointer;margin-top:4px}.slider-val{color:var(--accent);font-weight:700}.table-wrap{overflow-x:auto}.data-table{border-collapse:collapse;width:100%;font-size:.87rem}.data-table th{color:var(--accent);text-align:left;border-bottom:1px solid var(--border);background:#bd00ff1a;padding:10px 14px;font-weight:600}.data-table td{color:var(--text-secondary);border-bottom:1px solid #ffffff0a;padding:9px 14px}.data-table tr:hover{background:#ffffff05}.toast{z-index:9999;color:#fff;border-radius:8px;max-width:320px;padding:.75rem 1.25rem;font-size:.875rem;animation:.3s toastIn;position:fixed;bottom:1.5rem;right:1.5rem;box-shadow:0 4px 12px #0000004d}.toast-success{background:#059669}.toast-warn{background:#d97706}.toast-error{background:#dc2626}@keyframes toastIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.wl-card{border-left:3px solid var(--green)}.wl-header{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:16px;display:flex}.wl-desc{color:var(--text-secondary);margin-top:4px;font-size:.82rem}.wl-readiness{color:#6ee7b7;white-space:nowrap;background:#10b9811f;border:1px solid #10b98140;border-radius:20px;padding:4px 12px;font-size:.78rem;font-weight:600}.wl-form{margin-bottom:20px}.wl-form-row{flex-wrap:wrap;align-items:flex-end;gap:12px;display:flex}.wl-form-group{flex:1;min-width:120px}.wl-btn-group{flex:none}.wl-chart-wrap{margin-bottom:20px}.wl-log-list{flex-direction:column;gap:6px;margin-bottom:16px;display:flex}.wl-empty{text-align:center;color:var(--text-muted);padding:24px;font-size:.85rem}.wl-actions{flex-wrap:wrap;gap:10px;display:flex}.wl-table-wrap{overflow-x:auto}.wl-table{border-collapse:collapse;width:100%;font-size:.84rem}.wl-table th{color:var(--green);text-align:left;border-bottom:1px solid var(--border);text-transform:uppercase;letter-spacing:.04em;background:#10b9811a;padding:10px 12px;font-size:.75rem;font-weight:600}.wl-table td{color:var(--text-secondary);border-bottom:1px solid #ffffff0a;padding:10px 12px}.wl-table tr:hover{background:#ffffff05}.wl-td-week{color:var(--text-primary);font-weight:700}.wl-td-date{color:var(--text-muted);font-size:.8rem}.wl-td-change{font-family:JetBrains Mono,monospace;font-size:.82rem}.wl-td-cumulative{font-family:JetBrains Mono,monospace;font-size:.82rem;font-weight:600}.wl-td-target{color:var(--text-muted);font-size:.82rem}.wl-status-badge{text-align:center;white-space:nowrap;border-radius:12px;padding:3px 10px;font-size:.75rem;font-weight:600;display:inline-block}.wl-on-track{color:#6ee7b7;background:#10b9811f}.wl-below{color:#fcd34d;background:#f59e0b1f}.wl-above{color:#fca5a5;background:#ef44441f}.wl-del-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:4px;padding:2px 6px;font-size:.85rem;transition:color .2s}.wl-del-btn:hover{color:#f43f5e}.multi-card{border-left:3px solid var(--amber)}.multi-desc{color:var(--text-secondary);margin-bottom:20px;font-size:.85rem}.multi-chart-wrap{margin-bottom:24px}.multi-compare-grid{flex-wrap:wrap;justify-content:center;align-items:center;gap:16px;margin-bottom:24px;display:flex}.multi-compare-card{border:1px solid var(--border);border-radius:var(--radius);text-align:center;background:#ffffff08;flex:1;min-width:200px;padding:20px}.multi-compare-card--multi{background:#f59e0b0d;border-color:#f59e0b4d}.multi-compare-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:8px;font-size:.78rem}.multi-compare-value{color:var(--text-primary);margin-bottom:6px;font-size:1.6rem;font-weight:800}.multi-compare-card--multi .multi-compare-value{color:var(--amber)}.multi-compare-sub{color:var(--text-secondary);font-size:.8rem}.multi-compare-vs{color:var(--text-muted);flex-shrink:0;font-size:1.1rem;font-weight:700}.multi-milestones{margin-bottom:24px}.multi-term-row td{background:#f59e0b14;font-weight:600;color:var(--amber)!important}.multi-info-cards{grid-template-columns:1fr 1fr;gap:16px;display:grid}@media (width<=600px){.multi-info-cards{grid-template-columns:1fr}}.multi-info-card{border:1px solid var(--border);border-radius:var(--radius);background:#ffffff06;padding:18px}.multi-info-card h4{color:var(--text-primary);margin-bottom:10px;font-size:.9rem;font-weight:700}.multi-info-card ul{padding:0;list-style:none}.multi-info-card li{color:var(--text-secondary);padding:5px 0 5px 16px;font-size:.83rem;position:relative}.multi-info-card li:before{content:"•";color:var(--amber);font-weight:700;position:absolute;left:0}.page-sections-outer{max-width:1600px;margin:0 auto;padding:0 1.5rem 3rem}.faq-list{flex-direction:column;display:flex}.faq-item{border-bottom:1px solid #ffffff0f}.faq-item__question{cursor:pointer;color:var(--text-primary);user-select:none;justify-content:space-between;align-items:center;padding:14px 4px;font-size:.9rem;font-weight:600;list-style:none;transition:color .2s;display:flex}.faq-item__question::-webkit-details-marker{display:none}.faq-item__question:after{content:"+";color:var(--text-muted);flex-shrink:0;margin-left:16px;font-family:JetBrains Mono,monospace;font-size:1.1rem;transition:color .2s}.faq-item[open] .faq-item__question:after{content:"−";color:var(--accent)}.faq-item__question:hover{color:var(--cyan)}.faq-item__answer{color:var(--text-secondary);padding:0 4px 14px;font-size:.85rem;line-height:1.75}@media (width<=768px){.main-container{padding:16px}.calc-title{font-size:1.5rem}.tab-btn{padding:8px 12px;font-size:.81rem}.hero-value{font-size:1.5rem}}[data-theme=light]{--bg-app:#e8edf5;--bg-card:#fff;--bg-input:#e2e8f0;--text-primary:#0f172a;--text-secondary:#334155;--text-muted:#64748b;--border:#0000001f;--accent:#7c3aed;--cyan:#0e7490;--purple:#7c3aed;--green:#065f46;--red:#dc2626;--amber:#a16207}[data-theme=light] body{color:#0f172a;background:#e8edf5}[data-theme=light] .calc-breadcrumb{color:#64748b}[data-theme=light] .calc-breadcrumb a{color:#475569}[data-theme=light] .calc-breadcrumb a:hover{color:#7c3aed}[data-theme=light] .card{background:#fff;border-color:#0000001f;box-shadow:0 2px 12px #00000017}[data-theme=light] .input-card{border-left-color:#0e7490}[data-theme=light] .result-card{border-left-color:#7c3aed}[data-theme=light] .wl-card{border-left-color:#065f46}[data-theme=light] .multi-card{border-left-color:#a16207}[data-theme=light] .hero-result{background:linear-gradient(135deg,#7c3aed0f,#0e74900a);border-color:#7c3aed33}[data-theme=light] .hero-value{color:#7c3aed}[data-theme=light] .hero-sub{color:#475569}[data-theme=light] .hero-label{color:#64748b}[data-theme=light] input,[data-theme=light] select{color-scheme:light}[data-theme=light] .form-input,[data-theme=light] .form-select{color:#0f172a;background:#f0f4f9;border-color:#0000001f}[data-theme=light] .form-input:focus,[data-theme=light] .form-select:focus{border-color:#7c3aed}[data-theme=light] .form-select option{color:#0f172a;background:#fff}[data-theme=light] .form-label{color:#475569}[data-theme=light] input::placeholder{color:#0006}[data-theme=light] .tab-nav{border-bottom-color:#0000001f}[data-theme=light] .tab-btn{color:#64748b}[data-theme=light] .tab-btn:hover{color:#0f172a}[data-theme=light] .tab-btn.active{color:#7c3aed;border-bottom-color:#7c3aed}[data-theme=light] .stat-card{background:#edf2f9;border-color:#0000001a #0000001a #0000001a #7c3aed;box-shadow:0 1px 4px #0000000f}[data-theme=light] .stat-label{color:#64748b}[data-theme=light] .stat-value{color:#0f172a}[data-theme=light] .stat-grid{gap:10px}[data-theme=light] .formula-pill{color:#7c3aed;background:#7c3aed14;border-color:#7c3aed33}[data-theme=light] .chart-wrap{background:#fff;border-color:#0000001f}[data-theme=light] .chart-title{color:#475569}[data-theme=light] 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th{color:#7c3aed;background:#7c3aed0f;border-bottom-color:#0000001a}[data-theme=light] .data-table td{color:#475569;border-bottom-color:#0000000f}[data-theme=light] .data-table tr:hover{background:#f8fafc}[data-theme=light] .toast{box-shadow:0 4px 12px #00000026}[data-theme=light] .wl-readiness{color:#065f46;background:#0596691a;border-color:#05966940}[data-theme=light] .wl-desc,[data-theme=light] .wl-empty{color:#64748b}[data-theme=light] .wl-table th{color:#065f46;background:#0596690f;border-bottom-color:#0000001a}[data-theme=light] .wl-table td{color:#475569;border-bottom-color:#0000000f}[data-theme=light] .wl-table tr:hover{background:#f8fafc}[data-theme=light] .wl-td-week{color:#0f172a}[data-theme=light] .wl-td-date{color:#64748b}[data-theme=light] .wl-td-change,[data-theme=light] .wl-td-cumulative{color:#334155}[data-theme=light] .wl-td-target{color:#64748b}[data-theme=light] .wl-on-track{color:#065f46;background:#0596691a}[data-theme=light] .wl-below{color:#92400e;background:#a162071a}[data-theme=light] .wl-above{color:#991b1b;background:#dc26261a}[data-theme=light] .wl-del-btn{color:#94a3b8}[data-theme=light] .wl-del-btn:hover{color:#dc2626}[data-theme=light] .multi-desc{color:#475569}[data-theme=light] .multi-compare-card{background:#edf2f9;border-color:#0000001f}[data-theme=light] .multi-compare-card--multi{background:#fffbeb;border-color:#a162074d}[data-theme=light] .multi-compare-label{color:#64748b}[data-theme=light] .multi-compare-value{color:#0f172a}[data-theme=light] .multi-compare-card--multi .multi-compare-value{color:#a16207}[data-theme=light] .multi-compare-sub{color:#475569}[data-theme=light] .multi-compare-vs{color:#94a3b8}[data-theme=light] .multi-term-row td{background:#a162070f;color:#a16207!important}[data-theme=light] .multi-info-card{background:#edf2f9;border-color:#0000001a}[data-theme=light] .multi-info-card h4{color:#0f172a}[data-theme=light] .multi-info-card li{color:#475569}[data-theme=light] .multi-info-card li:before{color:#a16207}[data-theme=light] .faq-list{gap:8px}[data-theme=light] .faq-item{background:#fff;border:1px solid #0000001a;border-radius:10px;transition:box-shadow .2s,border-color .2s;overflow:hidden;box-shadow:0 1px 4px #0000000f}[data-theme=light] .faq-item:hover{border-color:#7c3aed59;box-shadow:0 2px 10px #7c3aed14}[data-theme=light] .faq-item[open]{border-color:#7c3aed66 #7c3aed66 #7c3aed66 #7c3aed;border-left-style:solid;border-left-width:3px;box-shadow:0 2px 12px #7c3aed1a}[data-theme=light] .faq-item__question{color:#0f172a;padding:14px 16px}[data-theme=light] .faq-item__question:after{color:#64748b}[data-theme=light] .faq-item[open] .faq-item__question:after,[data-theme=light] .faq-item__question:hover{color:#7c3aed}[data-theme=light] .faq-item__answer{color:#475569;border-top:1px solid #0000000f;padding:12px 16px 16px}[data-theme=light] .action-bar{background:0 0}[data-theme=light] ::-webkit-scrollbar-track{background:#e2e8f0}[data-theme=light] ::-webkit-scrollbar-thumb{background:#94a3b8;border-radius:4px}