:root{--bg:#f4f6f5;--surface:#fff;--border:#dde3e0;--text:#16211c;--text-muted:#5b6a63;--accent:#0f9d80;--accent-contrast:#fff;--interest:#d9822b;--error-bg:#fdeceb;--error-border:#e5534b;--error-text:#8a1f16;--font-display:"Fraunces", Georgia, serif;--font-mono:"JetBrains Mono", ui-monospace, Consolas, monospace;--font-sans:"Inter", system-ui, "Segoe UI", sans-serif;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}:root[data-theme=dark]{--bg:#0f1613;--surface:#16201c;--border:#2a352f;--text:#eaf1ed;--text-muted:#93a29b;--accent:#34d1a8;--accent-contrast:#072019;--interest:#f0a24d;--error-bg:#3a1c1c;--error-border:#e5534b;--error-text:#ffb4ac;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);font-family:var(--font-sans);margin:0}#root{min-height:100svh}.page{justify-content:center;min-height:100%;padding:3rem 1.25rem;display:flex}.shell{flex-direction:column;gap:.75rem;width:100%;max-width:560px;display:flex}.site-header{align-items:center;gap:10px;padding:0 .25rem;display:flex}.site-header__brand{font-family:var(--font-mono);letter-spacing:.04em;color:var(--accent);white-space:nowrap;font-size:.8rem;font-weight:700;text-decoration:none}.site-header__brand:hover{text-decoration:underline}.site-header__divider{color:var(--text-muted);font-weight:400}.site-header__title{font-family:var(--font-mono);color:var(--text-muted);white-space:nowrap;font-size:.8rem;font-weight:500}.toolbar-spacer{flex:1}.toggle-btn{border:1px solid var(--border);color:var(--text);cursor:pointer;background:0 0;border-radius:8px;padding:.35rem .55rem;line-height:1}.toggle-btn:hover{border-color:var(--accent)}.card{background:var(--surface);border:1px solid var(--border);border-radius:20px;width:100%;padding:2.5rem 2.25rem;box-shadow:0 30px 60px -35px #00000059}.eyebrow{font-family:var(--font-mono);letter-spacing:.28em;text-transform:uppercase;color:var(--accent);margin:0 0 .75rem;font-size:.75rem}h1{font-family:var(--font-display);color:var(--text);margin:0 0 .75rem;font-size:clamp(1.5rem,4vw,2rem);font-weight:600;line-height:1.25}.subhead{color:var(--text-muted);margin:0 0 2rem;font-size:.95rem;line-height:1.5}.form{flex-direction:column;gap:1.1rem;margin-bottom:.25rem;display:flex}.field{text-align:left}.field label{color:var(--text-muted);margin-bottom:.4rem;font-size:.8rem;display:block}.field input[type=number]{background:var(--bg);border:1px solid var(--border);width:100%;color:var(--text);font-family:var(--font-mono);border-radius:10px;padding:.7rem .8rem;font-size:.95rem}.field input[type=number]:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.tenure-row{gap:.6rem;display:flex}.tenure-row input{flex:1;min-width:0}.unit-toggle{border:1px solid var(--border);border-radius:10px;flex-shrink:0;display:flex;overflow:hidden}.unit-toggle button{background:var(--bg);color:var(--text-muted);font-family:var(--font-sans);cursor:pointer;border:none;padding:.7rem .9rem;font-size:.85rem}.unit-toggle button.active{background:var(--accent);color:var(--accent-contrast);font-weight:600}.submit-btn{background:var(--accent);color:var(--accent-contrast);font-family:var(--font-sans);cursor:pointer;border:none;border-radius:10px;padding:.8rem 1.1rem;font-size:.95rem;font-weight:600;transition:filter .15s,transform .15s}.submit-btn:hover{filter:brightness(1.08)}.submit-btn:active{transform:translateY(1px)}.submit-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.error{text-align:left;min-height:1.2rem;color:var(--error-text);margin:0;font-size:.82rem}.readout{border-top:1px solid var(--border);flex-wrap:wrap;justify-content:center;gap:clamp(1rem,4vw,1.75rem);margin-top:1.75rem;padding-top:1.75rem;display:flex}.figure{flex-direction:column;align-items:center;display:flex}.figure .number{font-family:var(--font-mono);color:var(--text);font-size:clamp(1.2rem,5vw,1.6rem);font-weight:600;line-height:1}.figure--primary .number{color:var(--accent);font-size:clamp(1.6rem,6vw,2.1rem)}.figure .label{letter-spacing:.14em;text-transform:uppercase;color:var(--text-muted);margin-top:.4rem;font-size:.68rem}.split{margin-top:1.5rem}.split-bar{background:var(--border);border-radius:999px;width:100%;height:10px;display:flex;overflow:hidden}.split-bar__principal{background:var(--accent)}.split-bar__interest{background:var(--interest)}.split-legend{color:var(--text-muted);justify-content:center;gap:1.5rem;margin-top:.75rem;font-size:.78rem;display:flex}.split-legend__item{align-items:center;gap:.4rem;display:inline-flex}.split-legend__swatch{border-radius:50%;width:8px;height:8px;display:inline-block}.split-legend__swatch--principal{background:var(--accent)}.split-legend__swatch--interest{background:var(--interest)}@media (width<=480px){.card{padding:2rem 1.4rem}.tenure-row{flex-direction:column}.unit-toggle{width:100%}.unit-toggle button{flex:1}}