:root{color-scheme:light;--bg:#f6f1e8;--panel:rgba(255,255,255,0.86);--panel-strong:#fffdf9;--text:#2f2419;--muted:#77685a;--line:rgba(71,50,29,0.15);--accent:#b55233;--accent-soft:rgba(181,82,51,0.1);--error:#b42318;--shadow:0 20px 60px rgba(87,55,26,0.12)}*{box-sizing:border-box}html{min-height:100%}body{margin:0;min-height:100vh;background:radial-gradient(circle at top left,rgba(255,213,167,.55),transparent 28%),radial-gradient(circle at top right,rgba(214,183,128,.3),transparent 24%),linear-gradient(180deg,#fbf7f0 0,var(--bg) 100%);color:var(--text);font-family:Georgia,Times New Roman,serif}a{color:inherit}button,input,select{font:inherit}.page-shell{width:min(1100px,calc(100% - 2rem));margin:0 auto;padding:2.5rem 0 4rem}.hero{margin-bottom:1.75rem}.eyebrow{display:inline-block;padding:.3rem .7rem;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:.82rem;letter-spacing:.04em;text-transform:uppercase}.hero h1{margin:.9rem 0 .75rem;font-size:clamp(2rem,5vw,3.9rem);line-height:.95;letter-spacing:-.04em}.hero p{margin:0;max-width:46rem;color:var(--muted);font-size:1.02rem;line-height:1.6}.app-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(300px,.8fr);grid-gap:1.25rem;gap:1.25rem;align-items:start}.panel{background:var(--panel);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.panel-inner{padding:1.4rem}.panel h2,.panel h3{margin:0}.stack{display:grid;grid-gap:1rem;gap:1rem}.section-card{padding:1rem;border-radius:18px;background:rgba(255,253,249,.9);border:1px solid rgba(71,50,29,.1)}.section-card h3{margin-bottom:.25rem;font-size:1.05rem}.section-header{display:grid;grid-template-columns:auto 1fr;grid-gap:.8rem;gap:.8rem;align-items:start}.shape-badge{display:grid;place-items:center;width:3rem;height:3rem;border-radius:14px;background:rgba(181,82,51,.08);border:1px solid rgba(181,82,51,.14)}.shape-icon{width:2rem;height:2rem;fill:rgba(181,82,51,.14);stroke:var(--accent);stroke-width:2.2}.section-card p{margin:0;color:var(--muted);font-size:.95rem;line-height:1.5}.field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:.9rem;gap:.9rem;margin-top:1rem}.field{display:grid;grid-gap:.4rem;gap:.4rem}.field label{font-size:.92rem;font-weight:600}.field input,.field select{width:100%;border:1px solid rgba(71,50,29,.18);background:var(--panel-strong);border-radius:12px;padding:.8rem .9rem;color:var(--text)}.field input:focus,.field select:focus{outline:2px solid rgba(181,82,51,.2);border-color:var(--accent)}.input-with-slider{display:grid;grid-gap:.55rem;gap:.55rem}.range-input{padding:0;accent-color:var(--accent)}.error-text,.field-hint,.status-note{font-size:.86rem;line-height:1.45}.field-hint,.status-note{color:var(--muted)}.error-text{color:var(--error)}.results{display:grid;grid-gap:.85rem;gap:.85rem}.result-card{padding:1rem;border-radius:18px;background:rgba(255,253,249,.92);border:1px solid rgba(71,50,29,.1)}.result-label{margin:0 0 .35rem;color:var(--muted);font-size:.88rem;text-transform:uppercase;letter-spacing:.04em}.result-value{margin:0;font-size:1.55rem;line-height:1.1}.result-subtle{margin:.35rem 0 0;color:var(--muted);font-size:.9rem}.dimension-list{margin:0;padding:0;list-style:none;display:grid;grid-gap:.5rem;gap:.5rem}.dimension-list li{display:flex;justify-content:space-between;gap:1rem;padding:.55rem 0;border-top:1px solid rgba(71,50,29,.08)}.dimension-list li:first-child{border-top:0;padding-top:0}.note-box{padding:1rem;border-radius:18px;background:linear-gradient(135deg,rgba(181,82,51,.1),rgba(255,255,255,.82));border:1px solid rgba(181,82,51,.15)}@media (max-width:860px){.app-grid{grid-template-columns:1fr}}@media (max-width:640px){.page-shell{width:min(100% - 1rem,100%);padding-top:1rem}.field-grid{grid-template-columns:1fr}.panel-inner{padding:1rem}}