@import "https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap";:root{--bg-dark:#07071a;--bg-card:#ffffff0a;--bg-input:#ffffff0d;--accent:#8b5cf6;--cyan:#22d3ee;--purple:#8b5cf6;--text-main:#f0f0f5;--text-dim:#8b8ba3;--text-muted:#555570;--green:#34d399;--red:#f87171;--gold:#fbbf24;--radius:14px;--radius-sm:8px;--font-display:"DM Serif Display", Georgia, serif;--font-body:"DM Sans", "Inter", system-ui, sans-serif;--font-mono:"JetBrains Mono", "SF Mono", monospace}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-body);color:var(--text-main);-webkit-font-smoothing:antialiased;background:linear-gradient(160deg,#07071a 0%,#0d0d26 50%,#07071a 100%) fixed;min-height:100vh;line-height:1.6}body:before{content:"";z-index:-1;pointer-events:none;background:radial-gradient(70% 50% at 85% 5%,#8b5cf61f 0%,#0000 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.matrix-wrap{background:#f8fafc}[data-theme=light] .matrix-table th{color:#334155;background:#e2e8f0;border-color:#0000001a}[data-theme=light] .matrix-table td{color:#0f172a;border-color:#00000012}[data-theme=light] .multiyear-block{background:#f8fafc}[data-theme=light] .opt-calc{background:#edf2f9}[data-theme=light] .opt-icon{background:#7c3aed14}[data-theme=light] .bl-item{color:#475569}[data-theme=light] .bracket-ladder-title{color:#334155}[data-theme=light] .cg-toast{box-shadow:0 4px 16px #4f46e540}[data-theme=light] select.input-field optgroup{color:var(--cyan)}[data-theme=light] select.input-field option{background:#e2e8f0}[data-theme=light] .savings-badge{background:#0596691f;border-color:#0596694d}[data-theme=light] .formula-toggle{color:#475569}[data-theme=light] .page-title{background:linear-gradient(135deg,#1e3a5f 0%,#3b0764 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}[data-theme=light] body{background-color:#f0f4f9;background-image:none}[data-theme=light] .chart-tab-bar{border-bottom-color:#00000014}[data-theme=light] .chart-tab-btn{color:#64748b}[data-theme=light] .chart-tab-btn:hover{color:#334155}[data-theme=light] .chart-tab-btn.active{color:var(--accent);border-bottom-color:var(--accent)}[data-theme=light] .gauge-wrap{border-bottom-color:#00000014}[data-theme=light] .ht-bar{background:#e2e8f0}[data-theme=light] .ht-marker{background:#0e7490;box-shadow:0 0 4px #0e749066}[data-theme=light] .ht-marker:before{background:#0e7490;box-shadow:0 0 6px #0e749066}[data-theme=light] .hero-result{border-bottom-color:#00000014}[data-theme=light] .gain-breakdown{background:#f8fafc;border:1px solid #00000012}[data-theme=light] .gb-row{border-bottom-color:#0000000f}[data-theme=light] .return-impact{background:#f8fafc;border-color:#00000014}[data-theme=light] .bbb-card{background:#f8fafc;border:1px solid #00000012}[data-theme=light] .opt-card--re .opt-icon{color:#0e7490;background:#0e749014;border-color:#0e749033}[data-theme=light] .savings-badge{color:#059669;background:#05966914;border-color:#05966940}[data-theme=light] input[type=date].input-field{color-scheme:light}[data-theme=light] .tab-bar{background:#f1f5f9;border-color:#00000014}[data-theme=light] .adornment{color:#64748b}