/* Restored from discovery/phase1/raw_html/%2Fknowledge%2Finvestment-return-calculator%2F.html — page styles (do not strip) */
.calc-hero{background:linear-gradient(135deg,#0a1628 0%,#1a2f5e 100%);color:#fff;padding:80px 0 60px}
    .calc-hero .eyebrow{color:#3b82f6;font-size:0.75rem;font-weight:700;letter-spacing:0.12em;text-transform:uppercase;margin-bottom:12px}
    .calc-hero h1{font-size:clamp(2rem,4vw,3rem);font-weight:800;margin-bottom:16px;line-height:1.15}
    .calc-hero .hero-sub{font-size:1.05rem;opacity:0.8;max-width:620px;margin-bottom:24px}
    .hero-badges{display:flex;flex-wrap:wrap;gap:10px}
    .hero-badge{background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.2);border-radius:20px;padding:5px 14px;font-size:0.78rem;color:rgba(255,255,255,0.85)}
    .calc-section{padding:60px 0;background:#f4f9fc}
    .calc-layout{display:grid;grid-template-columns:400px 1fr;gap:32px;align-items:start}
    @media(max-width:960px){.calc-layout{grid-template-columns:1fr}}
    .input-panel{background:#fff;border:1.5px solid #dde6ef;border-radius:16px;padding:32px;position:sticky;top:20px}
    .input-panel h2{font-size:1rem;font-weight:700;color:#0a1628;margin-bottom:24px;padding-bottom:12px;border-bottom:2px solid #3b82f6}
    .field{margin-bottom:18px}
    .field label{display:block;font-size:0.75rem;font-weight:700;text-transform:uppercase;letter-spacing:0.08em;color:#6b7280;margin-bottom:6px}
    .field .hint{font-size:0.72rem;color:#9ca3af;margin-top:3px}
    .input-wrap{display:flex;align-items:center;border:1.5px solid #d1d5db;border-radius:8px;overflow:hidden}
    .input-wrap:focus-within{border-color:#3b82f6}
    .prefix,.suffix{background:#f9fafb;padding:0 10px;font-size:0.85rem;color:#6b7280;height:42px;display:flex;align-items:center;border-right:1px solid #e5e7eb;white-space:nowrap}
    .suffix{border-right:none;border-left:1px solid #e5e7eb}
    .input-wrap input,.input-wrap select{border:none;outline:none;padding:0 10px;height:42px;font-size:0.92rem;width:100%;background:#fff}
    .calc-btn{width:100%;padding:13px;background:#3b82f6;color:#fff;border:none;border-radius:8px;font-size:0.85rem;font-weight:700;letter-spacing:0.06em;text-transform:uppercase;cursor:pointer;margin-top:8px;transition:background 0.2s}
    .calc-btn:hover{background:#2563eb}
    .results-col{display:flex;flex-direction:column;gap:24px}
    .result-hero{background:linear-gradient(135deg,#0a1628,#1a2f5e);border-radius:16px;padding:32px;color:#fff;text-align:center}
    .rh-label{font-size:0.75rem;font-weight:700;text-transform:uppercase;letter-spacing:0.1em;color:rgba(255,255,255,0.55);margin-bottom:8px}
    .rh-value{font-size:3.2rem;font-weight:800;color:#34d399;margin-bottom:4px}
    .rh-sub{font-size:0.88rem;color:rgba(255,255,255,0.55)}
    .metrics-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    @media(max-width:600px){.metrics-grid{grid-template-columns:1fr 1fr}}
    .metric-card{background:#fff;border:1.5px solid #dde6ef;border-radius:12px;padding:18px;text-align:center}
    .mc-label{font-size:0.68rem;font-weight:700;text-transform:uppercase;letter-spacing:0.08em;color:#6b7280;margin-bottom:6px}
    .mc-value{font-size:1.3rem;font-weight:800;color:#0a1628}
    .mc-value.blue{color:#3b82f6}.mc-value.green{color:#10b981}.mc-value.orange{color:#f59e0b}
    .chart-panel{background:#fff;border:1.5px solid #dde6ef;border-radius:16px;padding:28px}
    .chart-panel h3{font-size:0.95rem;font-weight:700;color:#0a1628;margin-bottom:16px}
    .chart-tabs{display:flex;gap:8px;margin-bottom:20px;flex-wrap:wrap}
    .chart-tab{padding:6px 14px;border-radius:20px;font-size:0.78rem;font-weight:600;cursor:pointer;border:1.5px solid #e5e7eb;background:#fff;color:#6b7280;transition:all 0.2s}
    .chart-tab.active{background:#3b82f6;border-color:#3b82f6;color:#fff}
    .scenario-panel{background:#fff;border:1.5px solid #dde6ef;border-radius:16px;padding:28px}
    .scenario-panel h3{font-size:0.95rem;font-weight:700;color:#0a1628;margin-bottom:20px}
    .scenario-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    @media(max-width:600px){.scenario-cards{grid-template-columns:1fr}}
    .sc-card{border-radius:12px;padding:20px;text-align:center}
    .sc-card.bear{background:#fef2f2;border:1.5px solid #fecaca}
    .sc-card.base{background:#eff6ff;border:1.5px solid #bfdbfe}
    .sc-card.bull{background:#f0fdf4;border:1.5px solid #bbf7d0}
    .sc-label{font-size:0.72rem;font-weight:700;text-transform:uppercase;letter-spacing:0.08em;margin-bottom:8px}
    .sc-card.bear .sc-label{color:#dc2626}.sc-card.base .sc-label{color:#2563eb}.sc-card.bull .sc-label{color:#16a34a}
    .sc-rate{font-size:1.1rem;font-weight:700;color:#374151;margin-bottom:4px}
    .sc-value{font-size:1.5rem;font-weight:800;margin-bottom:4px}
    .sc-card.bear .sc-value{color:#dc2626}.sc-card.base .sc-value{color:#2563eb}.sc-card.bull .sc-value{color:#16a34a}
    .sc-gain{font-size:0.8rem;color:#6b7280}
    .table-panel{background:#fff;border:1.5px solid #dde6ef;border-radius:16px;padding:28px}
    .tp-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
    .tp-header h3{font-size:0.95rem;font-weight:700;color:#0a1628;margin:0}
    .export-btn{background:#f3f4f6;border:1px solid #e5e7eb;border-radius:6px;padding:6px 12px;font-size:0.75rem;font-weight:600;cursor:pointer;color:#374151}
    .data-table{width:100%;border-collapse:collapse;font-size:0.82rem}
    .data-table th{background:#0a1628;color:#fff;padding:10px 12px;text-align:right;font-size:0.72rem;font-weight:700;text-transform:uppercase;letter-spacing:0.06em}
    .data-table th:first-child{text-align:left}
    .data-table td{padding:9px 12px;border-bottom:1px solid #f3f4f6;text-align:right;color:#374151}
    .data-table td:first-child{text-align:left;font-weight:600;color:#0a1628}
    .data-table tr:nth-child(even) td{background:#f9fafb}
    .doc-section{padding:60px 0;background:#fff}
    .doc-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}
    @media(max-width:768px){.doc-grid{grid-template-columns:1fr}}
    .doc-card{background:#f9fafb;border:1px solid #e5e7eb;border-radius:16px;padding:28px}
    .doc-card h3{font-size:0.95rem;font-weight:700;color:#0a1628;margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid #3b82f6}
    .doc-card p,.doc-card li{font-size:0.88rem;color:#4b5563;line-height:1.75}
    .doc-card ul{padding-left:18px;margin-top:8px}
    .formula-box{background:#0a1628;color:#e2e8f0;border-radius:10px;padding:18px;font-family:monospace;font-size:0.82rem;line-height:1.7;margin:12px 0;white-space:pre-wrap}
    .bench-table{width:100%;border-collapse:collapse;font-size:0.82rem;margin-top:8px}
    .bench-table th{background:#0a1628;color:#fff;padding:8px 12px;text-align:left;font-size:0.72rem;font-weight:700;text-transform:uppercase}
    .bench-table td{padding:8px 12px;border-bottom:1px solid #e5e7eb;color:#374151}
    .bench-table tr:nth-child(even) td{background:#f9fafb}
    .bench-table td:last-child{font-weight:700;text-align:right}
    .faq-section{padding:60px 0;background:#f9fafb}
    .faq-item{border:1px solid #e5e7eb;border-radius:12px;margin-bottom:10px;overflow:hidden;background:#fff}
    .faq-q{padding:16px 20px;font-weight:600;color:#0a1628;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:0.92rem;user-select:none}
    .faq-q::after{content:"+";font-size:1.2rem;color:#3b82f6;font-weight:700}
    .faq-item.open .faq-q::after{content:"−"}
    .faq-a{display:none;padding:0 20px 16px;font-size:0.88rem;color:#4b5563;line-height:1.75}
    .faq-item.open .faq-a{display:block}
    .educator-section{padding:60px 0;background:linear-gradient(135deg,#0a1628,#1a2f5e);color:#fff}
    .educator-section h2{font-size:1.8rem;font-weight:800;margin-bottom:8px}
    .educator-section .sub{opacity:0.75;margin-bottom:40px}
    .edu-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
    @media(max-width:768px){.edu-grid{grid-template-columns:1fr}}
    .edu-card{background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.15);border-radius:14px;padding:24px}
    .edu-card h3{font-size:0.8rem;font-weight:700;text-transform:uppercase;letter-spacing:0.08em;color:#93c5fd;margin-bottom:14px}
    .code-block{background:rgba(0,0,0,0.3);border-radius:8px;padding:12px;font-family:monospace;font-size:0.78rem;color:#e2e8f0;line-height:1.6;word-break:break-all;margin-bottom:10px}
    .copy-btn{background:#3b82f6;color:#fff;border:none;border-radius:6px;padding:7px 14px;font-size:0.78rem;font-weight:600;cursor:pointer}
    .edu-list{list-style:none;padding:0;margin:0}
    .edu-list li{padding:7px 0;border-bottom:1px solid rgba(255,255,255,0.08);font-size:0.85rem;color:rgba(255,255,255,0.8);display:flex;align-items:center;gap:8px}
    .edu-list li::before{content:"checkmark";content:"✓";color:#34d399;font-weight:700}
    .related-section{padding:60px 0;background:#f9fafb}
    .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    @media(max-width:768px){.related-grid{grid-template-columns:1fr}}
    .related-card{background:#fff;border:1.5px solid #dde6ef;border-radius:12px;padding:22px;text-decoration:none;transition:all 0.2s;display:block}
    .related-card:hover{border-color:#3b82f6;box-shadow:0 4px 20px rgba(59,130,246,0.1);transform:translateY(-2px)}
    .rc-cat{font-size:0.68rem;font-weight:700;text-transform:uppercase;letter-spacing:0.1em;color:#3b82f6;margin-bottom:8px}
    .related-card h3{font-size:0.9rem;font-weight:700;color:#0a1628;margin-bottom:6px}
    .related-card p{font-size:0.8rem;color:#6b7280;line-height:1.5;margin:0}