:root{--color-text: #18342a;--color-muted: #49685b;--color-primary: #0f7d4a;--color-primary-hover: #0b6e40;--color-primary-strong: #117245;--color-focus: rgba(21, 145, 90, .18);--color-focus-strong: rgba(21, 145, 90, .3);--color-panel: rgba(255, 255, 255, .86);--color-result: #dff4e7;--color-error: #b7442e;--color-error-text: #7a2d20;color:var(--color-text);background:#f2f8f4;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;min-width:320px}a{color:inherit}.app-shell{min-height:100vh;padding:clamp(24px,5vw,72px);background:radial-gradient(circle at top left,rgba(46,160,103,.2),transparent 34rem),linear-gradient(145deg,#f7fbf8,#e5f4eb)}.calculator-screen{width:min(1080px,100%);min-height:calc(100vh - clamp(48px,10vw,144px));display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,420px);align-items:center;gap:clamp(32px,6vw,80px);margin:0 auto}.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.86rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--color-primary-strong)}h1{margin:20px 0 16px;font-size:clamp(3.25rem,9vw,7.5rem);line-height:.9}.calculator-intro p{margin:0;max-width:560px;font-size:clamp(1.05rem,2vw,1.35rem);line-height:1.55;color:var(--color-muted)}.calculator-form{min-width:0;display:grid;gap:18px;padding:clamp(20px,4vw,32px);border:1px solid rgba(32,113,73,.18);border-radius:8px;background:var(--color-panel);box-shadow:0 24px 70px #18342a24}.form-summary{margin:0;border-left:4px solid var(--color-error);padding:10px 12px;border-radius:6px;color:var(--color-error-text);background:#fff1ed;font-weight:750;line-height:1.45}.field{display:grid;gap:7px;font-weight:800}.field small{font-size:.88rem;font-weight:500;line-height:1.45;color:#668074}.field input{width:100%;min-height:48px;border:1px solid #b8d8c6;border-radius:8px;padding:0 14px;color:var(--color-text);font:inherit;font-weight:700;background:#fbfefc}.field input:focus{border-color:var(--color-primary);outline:3px solid var(--color-focus)}.field input[aria-invalid=true]{border-color:var(--color-error)}.field-error{color:#9a3928}.primary-action{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;border:0;border-radius:8px;color:#fff;background:var(--color-primary);font:inherit;font-weight:850;cursor:pointer;box-shadow:0 14px 30px #0f7d4a3d}.primary-action:hover{background:var(--color-primary-hover)}.primary-action:focus-visible{outline:3px solid var(--color-focus-strong);outline-offset:3px}.result-panel{min-width:0;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:14px;border-radius:8px;padding:18px;color:#0d3d27;background:var(--color-result)}.result-metric{display:grid;gap:6px}.result-metric span{font-size:.9rem;font-weight:800;text-transform:uppercase;letter-spacing:.04em}.result-metric strong{font-size:1.45rem;line-height:1}.result-metric-primary strong{font-size:2.6rem}.result-classification{grid-column:1 / -1;border-top:1px solid rgba(13,61,39,.16);padding-top:14px}.result-classification small{color:#486a5b;font-weight:650;line-height:1.45}.result-note{grid-column:1 / -1;margin:0;color:#365b4c;font-weight:650;line-height:1.5}@media (max-width: 760px){.calculator-screen{grid-template-columns:1fr;align-items:start}.result-panel{grid-template-columns:1fr}}