:root{--blue:#0f4c81;--dark:#14202b;--light:#f5f8fb;--line:#dce5ed;--white:#fff;--muted:#64748b}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;background:var(--light);color:var(--dark)}button,input,select{font:inherit}.topbar{height:72px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 5%;position:sticky;top:0;z-index:5}.brand{display:flex;gap:12px;align-items:center}.brand strong{display:block;font-size:18px}.brand small{color:var(--muted)}.logo-mark{width:42px;height:42px;border-radius:12px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:800;font-size:19px}.logo-mark span{opacity:.75}.app-shell{min-height:calc(100vh - 72px);display:grid;grid-template-columns:300px minmax(0,900px) 300px;gap:0;max-width:1600px;margin:auto}.main-content{padding:32px 28px}.side-panel{background:#fff;border-right:1px solid var(--line);padding:22px;min-height:calc(100vh - 72px)}.right-panel{border-left:1px solid var(--line);border-right:0}.panel-head{display:flex;justify-content:space-between;align-items:center}.panel-head h2{margin:0}.close-panel{border:0;background:transparent;font-size:26px;cursor:pointer}.hero{padding:18px 0 28px}.eyebrow{color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.12em}.hero h1{font-size:clamp(32px,5vw,58px);line-height:1.02;margin:10px 0}.hero p{font-size:17px;color:var(--muted);max-width:720px}.hero-actions{display:flex;gap:10px;margin-top:20px}.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:0 10px 30px rgba(15,76,129,.06)}.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}label{font-weight:700;font-size:14px}input,select{display:block;width:100%;margin-top:7px;padding:12px;border:1px solid #cbd5e1;border-radius:10px;background:#fff}.check{display:flex;gap:10px;align-items:center;margin:18px 0}.check input{width:auto;margin:0}.primary,.secondary,.ghost{border-radius:10px;padding:12px 17px;cursor:pointer;font-weight:800}.primary{background:var(--blue);color:#fff;border:0}.secondary,.ghost{background:#fff;color:var(--blue);border:1px solid #b8ccdc}.full{width:100%}.result{margin-top:22px}.result-head{display:flex;justify-content:space-between;gap:20px}.result-head h2{margin:7px 0}.muted{color:var(--muted);font-size:13px}.totals{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0}.totals>div{border:1px solid var(--line);border-radius:14px;padding:18px}.totals small{display:block;color:var(--muted)}.totals strong{display:block;font-size:22px;margin-top:5px}.featured{border:2px solid var(--blue)!important}.break-row{display:grid;grid-template-columns:1fr 140px;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}.source-box{background:#f7fafc;padding:15px;border-radius:12px;margin-top:20px}.rate{border-bottom:1px solid var(--line);padding:12px 0}.rate strong{display:block}.modal-backdrop{position:fixed;inset:0;background:rgba(10,25,40,.65);display:grid;place-items:center;z-index:20;padding:20px}.modal{background:#fff;max-width:520px;padding:30px;border-radius:20px}.modal li{margin:10px 0}.linkbtn{border:0;background:none;color:var(--blue);display:block;margin:12px auto;cursor:pointer}.hidden{display:none!important}.history-item{border:1px solid var(--line);border-radius:12px;padding:12px;margin:10px 0}.history-item button{border:0;background:none;color:#b42318;cursor:pointer;float:right}footer{text-align:center;color:var(--muted);padding:30px}.side-panel{display:block}.no-history{text-align:center;color:var(--muted);padding:30px 5px}@media(max-width:1100px){.app-shell{grid-template-columns:1fr}.side-panel{position:fixed;top:72px;bottom:0;width:min(88vw,360px);z-index:10;box-shadow:0 10px 40px rgba(0,0,0,.18);transform:translateX(-105%);transition:.25s}.right-panel{right:0;left:auto;transform:translateX(105%)}.side-panel.open{transform:translateX(0)}.main-content{padding:24px 16px}.grid{grid-template-columns:1fr}}@media(max-width:650px){.result-head{flex-direction:column}.totals{grid-template-columns:1fr}.hero-actions button{flex:1}}