:root{--bg:#f7f5f0;--panel:#ffffff;--text:#17201b;--muted:#65736b;--line:#d9ddd5;--brand:#176b58;--brand-dark:#0f4b3e;--accent:#c77d2b;--danger:#a64035}*{box-sizing:border-box}body,html{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}button,input,select{font:inherit}.shell{width:min(1120px,calc(100% - 32px));margin:0 auto}.site-header{border-bottom:1px solid var(--line);background:rgba(247,245,240,.94);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}.nav{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{font-weight:800;color:var(--brand-dark)}.nav-links{display:flex;align-items:center;gap:14px;color:var(--muted);font-size:.94rem;flex-wrap:wrap}.button,.ghost-button,.secondary-button{border:1px solid transparent;border-radius:8px;min-height:40px;padding:0 14px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;cursor:pointer}.button{background:var(--brand);color:white}.button:hover{background:var(--brand-dark)}.secondary-button{background:white;border-color:var(--line);color:var(--text)}.ghost-button{background:transparent;color:var(--brand-dark)}.hero{padding:58px 0 42px;display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,460px);gap:36px;align-items:start}.eyebrow{color:var(--accent);font-weight:800;text-transform:uppercase;letter-spacing:.08em;font-size:.76rem}h1{font-size:clamp(2.1rem,5vw,4.5rem);line-height:.98;letter-spacing:0;margin:12px 0 18px}h2{font-size:clamp(1.55rem,3vw,2.3rem);line-height:1.08;margin:0 0 14px}h3{margin:0 0 10px}p{line-height:1.65}.lead{font-size:1.12rem;color:var(--muted);max-width:660px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.two-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.card{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:20px;box-shadow:0 10px 28px rgba(23,32,27,.06)}.section{padding:36px 0}.muted{color:var(--muted)}.metric{font-size:2rem;font-weight:850;margin:4px 0}.form{display:grid;gap:14px}.field{display:grid;gap:6px}.field label{font-size:.86rem;color:var(--muted);font-weight:750}.input,.select{width:100%;border:1px solid var(--line);border-radius:8px;min-height:42px;padding:9px 11px;background:white;color:var(--text)}.result-row,.table-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 0;border-top:1px solid var(--line)}.result-row strong,.table-row strong{white-space:nowrap}.notice{border:1px solid #ecd2aa;background:#fff7e8;color:#654412;border-radius:8px;padding:14px}.danger{color:var(--danger)}.app-layout{display:grid;grid-template-columns:240px minmax(0,1fr);min-height:calc(100vh - 69px)}.sidebar{border-right:1px solid var(--line);padding:24px;background:#f0eee7}.sidebar a{display:flex;padding:10px;border-radius:8px;color:var(--muted);font-weight:700}.sidebar a:hover{background:white;color:var(--brand-dark)}.app-main{padding:28px}.dialog-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.36);display:grid;place-items:center;padding:18px;z-index:50}.dialog{width:min(520px,100%)}@media (max-width:820px){.app-layout,.grid,.hero,.two-grid{grid-template-columns:1fr}.nav{align-items:flex-start;padding:14px 0;flex-direction:column}.sidebar{border-right:0;border-bottom:1px solid var(--line);display:flex;gap:8px;overflow-x:auto}.app-main{padding:18px}}