:root{
  --primary:#2457e6;
  --primary-dark:#1746c7;
  --ink:#172033;
  --muted:#697386;
  --line:#e7eaf1;
  --bg:#f5f7fb;
  --card:#ffffff;
  --success:#15803d;
  --success-bg:#eaf8ef;
  --warning:#a15c00;
  --warning-bg:#fff6df;
  --danger:#b42318;
  --danger-bg:#fff0f0;
  --shadow:0 16px 45px rgba(26,43,86,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:Inter,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.5}
button,input,select{font:inherit}
button{cursor:pointer}
.nav{height:72px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 6%;position:sticky;top:0;z-index:20}
.logo{font-size:24px;font-weight:850;letter-spacing:-.5px;color:var(--primary)}.logo span{color:var(--ink)}
.nav-links{display:flex;gap:24px}
.nav-links a{color:#5d687c;text-decoration:none;font-weight:650;cursor:pointer}
.nav-links a.active,.nav-links a:hover{color:var(--primary)}
.container{max-width:1160px;margin:auto;padding:44px 24px}
.page{display:none}.page.active{display:block}
.hero{min-height:calc(100vh - 72px);display:grid;grid-template-columns:1.08fr .92fr;gap:55px;align-items:center}
.kicker{display:inline-flex;padding:7px 11px;border-radius:999px;background:#edf2ff;color:var(--primary);font-size:12px;font-weight:800;letter-spacing:.5px}
.hero h1{font-size:56px;line-height:1.06;letter-spacing:-1.8px;margin:17px 0}
.hero h1 span{color:var(--primary)}
.hero p{font-size:18px;color:var(--muted);max-width:650px;margin-bottom:28px}
.btn{border:0;border-radius:11px;padding:13px 19px;font-weight:750;transition:.18s}
.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px)}
.btn-secondary{background:#edf2ff;color:var(--primary)}
.btn-ghost{background:#fff;color:#58647a;border:1px solid var(--line)}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}
.hero-card{padding:27px}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
.hero-card h3{font-size:20px;margin-bottom:14px}
.stat{display:flex;justify-content:space-between;padding:16px 0;border-bottom:1px solid #edf0f5}
.stat:last-child{border-bottom:0}.stat span{color:#5f6b7e}.stat strong{color:var(--primary)}
.page-head{margin-bottom:24px}.page-head h2{font-size:34px;letter-spacing:-.6px}.page-head p{color:var(--muted);margin-top:5px}
.form-card{padding:27px}
.section-title{font-size:18px;margin-bottom:15px}
.section-sub{font-size:13px;color:var(--muted);margin:-7px 0 17px}
.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.field label{display:block;font-size:13px;font-weight:750;color:#566176;margin-bottom:7px}
.field input,.field select{width:100%;padding:12px 13px;border:1px solid #dce1ea;border-radius:9px;background:#fff;outline:0;color:var(--ink)}
.field input:focus,.field select:focus{border-color:var(--primary);box-shadow:0 0 0 3px #2457e615}
.field .help{font-size:11px;color:#7e8899;margin-top:5px}
.span-2{grid-column:span 2}.span-3{grid-column:1/-1}
.divider{height:1px;background:#edf0f5;margin:26px 0}
.callout{padding:13px 15px;border-radius:10px;background:#f5f7ff;border-left:4px solid var(--primary);font-size:13px;color:#58647a}
.application-only{background:#fff8eb;border-left:4px solid #e9a23b}
.actions{display:flex;gap:11px;margin-top:25px;flex-wrap:wrap}
.results{margin-top:25px;display:none}.results.show{display:block}
.project-strip{margin-top:24px;padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:13px;display:flex;justify-content:space-between;align-items:center;gap:20px;box-shadow:0 10px 28px rgba(26,43,86,.05)}
.project-label{font-size:11px;color:#7b8596;font-weight:800;letter-spacing:.5px;text-transform:uppercase}
.project-rate{font-size:24px;color:var(--primary);font-weight:850;margin-top:2px}
.project-note{font-size:12px;color:#6f798b;text-align:right;max-width:300px}
.project-history{margin-top:18px;padding:18px 20px;background:#f8faff;border:1px solid #e2e8ff;border-radius:13px}
.history-title{font-size:14px;font-weight:850;color:var(--ink);margin-bottom:7px}
.project-history p{font-size:13px;color:#677286;line-height:1.65;margin:0;max-width:720px}
.result-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
.amount-card,.risk-card{padding:28px}
.eyebrow{font-size:13px;color:#707b8e;font-weight:650}
.amount{font-size:46px;font-weight:850;color:var(--primary);letter-spacing:-1px;margin:5px 0}
.amount-meta{color:#687386;font-size:14px}
.result-message{margin-top:18px;padding:15px 17px;border-radius:11px;font-weight:720;font-size:14px}
.result-message.positive{background:var(--success-bg);border:1px solid #ccebd7;color:var(--success)}
.result-message.warning{background:var(--warning-bg);border:1px solid #f0ddb0;color:var(--warning)}
.result-message.negative{background:var(--danger-bg);border:1px solid #efc8c4;color:var(--danger)}
.risk-top{display:flex;justify-content:space-between;align-items:center;gap:15px}
.badge{padding:7px 11px;border-radius:999px;font-size:12px;font-weight:800}
.badge.low{background:#eaf8ef;color:var(--success)}
.badge.moderate{background:#fff6df;color:var(--warning)}
.badge.high{background:#fff0f0;color:var(--danger)}
.badge.manual{background:#f1efff;color:#6844bd}
.pd{font-size:30px;font-weight:820;margin-top:8px}
.result-items{display:grid;grid-template-columns:repeat(2,1fr);gap:11px;margin-top:20px}
.result-item{padding:14px;border-radius:10px;background:#f7f9fc}
.result-item small{display:block;color:#7a8495;font-size:11px;margin-bottom:3px}.result-item strong{font-size:18px}

.amortization{margin-top:20px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:15px}
.amortization-head{display:flex;justify-content:space-between;align-items:flex-start;gap:15px;margin-bottom:14px}
.amortization-head h4{font-size:17px}
.amortization-head p{font-size:12px;color:#748093;margin-top:3px}
.amortization-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:16px}
.amortization-stat{background:#f7f9fc;padding:12px;border-radius:9px}
.amortization-stat small{display:block;color:#7a8495;font-size:11px;margin-bottom:3px}
.amortization-stat strong{font-size:17px}
.table-wrap{overflow:auto;border:1px solid #e8ebf1;border-radius:10px}
.amortization-table{width:100%;border-collapse:collapse;min-width:620px}
.amortization-table th,.amortization-table td{padding:11px 12px;border-bottom:1px solid #edf0f5;text-align:right;font-size:12px}
.amortization-table th{background:#f7f9fc;color:#566176;font-weight:800;position:sticky;top:0}
.amortization-table th:first-child,.amortization-table td:first-child{text-align:center}
.amortization-table tr:last-child td{border-bottom:0}
@media(max-width:850px){.amortization-summary{grid-template-columns:1fr}}
.explain{margin-top:18px;padding:18px;background:#fbfcff;border:1px solid #e5eaff;border-radius:13px}
.explain h4{margin-bottom:9px}.formula{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;background:#fff;padding:11px;border-radius:9px;border:1px solid #e6e9ef;font-size:13px}
.processing{display:none;position:fixed;inset:0;background:rgba(255,255,255,.9);z-index:50;align-items:center;justify-content:center}
.processing.show{display:flex}.loader{width:46px;height:46px;border:4px solid #e4e9f3;border-top-color:var(--primary);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 15px}
@keyframes spin{to{transform:rotate(360deg)}}
.api-status{display:inline-flex;align-items:center;gap:7px;font-size:12px;color:#6e788a}
.dot{width:8px;height:8px;border-radius:50%;background:#f0a43a}.dot.on{background:#16a34a}
.loan-list{display:grid;gap:14px}
.loan{padding:20px;display:flex;justify-content:space-between;align-items:center}.loan h4{margin-bottom:4px}.loan p{color:#748093;font-size:13px}
.status{padding:6px 10px;border-radius:999px;background:#eaf8ef;color:var(--success);font-size:12px;font-weight:800}
.footer{text-align:center;padding:32px 15px;color:#8891a1;font-size:12px}
@media(max-width:850px){
  .hero{grid-template-columns:1fr;min-height:auto;padding-top:70px;padding-bottom:70px}
  .hero h1{font-size:42px}.project-strip{flex-direction:column;align-items:flex-start}.project-note{text-align:left;max-width:none}.form-grid,.result-grid{grid-template-columns:1fr}.span-2,.span-3{grid-column:auto}
  .nav{padding:0 20px}.nav-links{gap:12px}.nav-links a{font-size:12px}
}