*{box-sizing:border-box} :root{--ink:#17252b;--muted:#6c7b80;--paper:#f5f7f4;--card:#fff;--line:#dfe7e3;--accent:#0d8274;--accent2:#d8f0e8;--orange:#e89b54}body{margin:0;background:var(--paper);color:var(--ink);font-family:"DM Sans",sans-serif}.aurora{position:fixed;filter:blur(70px);opacity:.35;pointer-events:none;border-radius:50%;z-index:-1}.aurora-one{width:330px;height:330px;background:#b9e8d8;top:-100px;right:-50px}.aurora-two{width:280px;height:280px;background:#f4d9b8;bottom:10%;left:-130px}.topbar{height:76px;display:flex;align-items:center;justify-content:space-between;max-width:1180px;margin:auto;padding:0 22px}.brand{display:flex;align-items:center;gap:10px}.brand-mark{display:grid;place-items:center;background:var(--ink);color:#fff;width:38px;height:38px;border-radius:12px;font-weight:700}.brand strong{font:700 21px "Space Grotesk"}.brand strong span{color:var(--accent)}.brand small{display:block;color:var(--muted);font-size:10px;letter-spacing:1.4px;text-transform:uppercase}.ghost-btn,.accent-btn{border:1px solid var(--line);background:#fff;padding:10px 15px;border-radius:10px;cursor:pointer;font-weight:600;color:var(--ink)}.accent-btn{background:var(--accent);color:#fff;border-color:var(--accent)}.shell{max-width:1180px;margin:auto;padding:34px 22px 70px}.hero{display:flex;justify-content:space-between;gap:30px;align-items:flex-end;margin:25px 0 38px}.eyebrow,.section-kicker,.mini-label{font-size:11px;letter-spacing:1.7px;font-weight:700;color:var(--accent)}h1,h2,h3{font-family:"Space Grotesk",sans-serif;margin:8px 0}h1{font-size:clamp(42px,6vw,72px);line-height:1.02;letter-spacing:-2.8px}h1 em{color:var(--accent);font-style:normal}.hero-copy{max-width:580px;color:var(--muted);font-size:17px;line-height:1.65}.hero-card{background:var(--ink);color:#fff;border-radius:22px;padding:25px 28px;min-width:265px;box-shadow:0 18px 50px #17252b22}.hero-number{font:700 40px "Space Grotesk";margin:12px 0 2px}.hero-caption{font-size:12px;color:#b9c8c7}.status-pill{display:inline-block;background:#31534d;color:#c8f4e5;padding:6px 10px;border-radius:30px;font-size:11px;margin-top:17px}.progress{display:flex;align-items:center;gap:12px;margin-bottom:20px}.progress-step{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12px}.progress-step b{display:grid;place-items:center;border:1px solid var(--line);border-radius:50%;width:28px;height:28px}.progress-step.active{color:var(--accent);font-weight:700}.progress-step.active b{background:var(--accent);color:#fff;border-color:var(--accent)}.line{height:1px;background:var(--line);width:65px}.panel,.results,.notes{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:27px;margin:16px 0;box-shadow:0 8px 28px #1c3b3210}.section-head{display:flex;justify-content:space-between;align-items:flex-start;gap:15px;margin-bottom:22px}.section-head h2{font-size:23px}.muted,.hint{color:var(--muted);font-size:13px}.tag{background:var(--accent2);color:var(--accent);font-size:11px;font-weight:700;padding:7px 10px;border-radius:30px}.grid{display:grid;gap:18px}.grid.three{grid-template-columns:repeat(3,1fr)}label{font-size:12px;font-weight:700;color:#4b5d60}input,select{display:block;width:100%;margin-top:8px;border:1px solid var(--line);border-radius:10px;padding:12px 13px;font:inherit;color:var(--ink);background:#fbfdfb;outline:none}input:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px #0d82741a}.unit{font-weight:400;color:var(--muted)}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;min-width:850px;font-size:12px}th{text-align:left;background:#f2f6f3;color:#536467;font-size:10px;letter-spacing:.7px;text-transform:uppercase;padding:12px;border-bottom:1px solid var(--line)}td{padding:9px 7px;border-bottom:1px solid var(--line);vertical-align:middle}td input{margin:0;padding:9px;font-size:12px}.calc-cell{font-weight:700;color:var(--accent);white-space:nowrap}.delete{border:0;background:none;color:#a1adab;font-size:18px;cursor:pointer}.hint{margin-bottom:0}.results{display:grid;grid-template-columns:1.35fr .8fr;background:var(--ink);color:#fff;border:0;overflow:hidden;padding:0}.result-main,.breakdown{padding:32px}.breakdown{background:#20383b}.results .section-kicker{color:#8ed8c5}.results h2{font-size:25px}.big-result{font:700 clamp(44px,6vw,66px) "Space Grotesk";color:#baf0dd;margin:15px 0}.result-main p{color:#b8c6c3;font-size:13px}.result-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:30px}.result-grid span,.metric span{display:block;color:#9eb1ad;font-size:11px;margin-bottom:6px}.result-grid strong{font-size:15px}.metric{padding:15px 0;border-bottom:1px solid #ffffff16}.metric:last-child{border:0}.metric b{font-size:16px}.notes{background:transparent;border:0;box-shadow:none;padding:12px 0}.note-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.note-grid p{color:var(--muted);font-size:13px;line-height:1.65}.note-grid b{color:var(--ink)}footer{border-top:1px solid var(--line);padding:25px max(22px,calc((100% - 1136px)/2));display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:12px;line-height:1.7}footer strong{color:var(--ink)}footer a{color:var(--accent)}.footer-right{text-align:right;max-width:600px}footer small{font-size:10px}@media(max-width:760px){.hero{display:block}.hero-card{margin-top:25px}.grid.three,.note-grid,.results{grid-template-columns:1fr}.result-grid{gap:15px}.section-head{display:block}.section-head .accent-btn,.tag{margin-top:15px}footer{display:block}.footer-right{text-align:left;margin-top:15px}.line{width:25px}}

.disclaimer{display:inline-block;margin-top:5px;color:#526568;font-weight:500}.disclaimer b{color:var(--ink)}

.developer-credit{
  max-width:1180px;
  margin:-8px auto 0;
  padding:0 22px;
  color:#5c706f;
  font-size:12px;
  letter-spacing:.15px;
}
.developer-credit strong{color:var(--ink)}
@media(max-width:760px){
  .developer-credit{margin-top:0}
}

.app-nav{max-width:1180px;margin:0 auto;padding:0 22px 18px;display:flex;gap:8px;flex-wrap:wrap}
.nav-item{border:1px solid var(--line);background:#fff;color:var(--muted);padding:9px 14px;border-radius:999px;cursor:pointer;font:600 12px "DM Sans"}
.nav-item.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.extra-view{max-width:1180px;margin:0 auto;padding:0 22px 50px}
.arrears-card{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:24px}
.arrears-card>div{background:#f2f6f3;border-radius:12px;padding:18px}
.arrears-card span{display:block;color:var(--muted);font-size:11px;margin-bottom:8px}
.arrears-card strong{font:700 22px "Space Grotesk"}
.arrears-card .total{background:var(--ink);color:#fff}.arrears-card .total span{color:#b8c6c3}
.subhead{margin-top:28px}.readme-panel p{max-width:850px;color:var(--muted);line-height:1.7}
@media(max-width:760px){.arrears-card{grid-template-columns:1fr 1fr}.app-nav{padding-bottom:12px}}

/* Collapsible tools menu */
.menu-shell{max-width:1180px;margin:0 auto;padding:0 22px 18px;position:relative;z-index:10}
.menu-toggle{display:flex;align-items:center;gap:11px;border:1px solid var(--line);background:#fff;color:var(--ink);padding:12px 16px;border-radius:13px;cursor:pointer;font:700 13px "DM Sans";box-shadow:0 5px 18px #1c3b3210}
.menu-icon{font-size:17px;color:var(--accent)}
.menu-chevron{margin-left:auto;font-size:18px;color:var(--muted);transition:transform .2s ease}
.menu-toggle[aria-expanded="true"] .menu-chevron{transform:rotate(180deg)}
.app-menu{position:absolute;left:22px;top:54px;width:260px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:8px;box-shadow:0 18px 40px #17252b20}
.app-menu[hidden]{display:none}
.app-menu .nav-item{display:flex;align-items:center;gap:12px;width:100%;border:0;border-radius:10px;background:transparent;color:var(--ink);padding:12px 13px;text-align:left;font:600 13px "DM Sans";cursor:pointer}
.app-menu .nav-item span{display:grid;place-items:center;width:25px;height:25px;border-radius:8px;background:#f0f5f2;color:var(--muted);font-size:10px}
.app-menu .nav-item:hover{background:#f2f7f4}
.app-menu .nav-item.active{background:var(--ink);color:#fff}
.app-menu .nav-item.active span{background:#31534d;color:#baf0dd}
@media(max-width:760px){.menu-shell{padding-bottom:12px}.app-menu{left:22px;right:22px;width:auto}}

/* Readability and comfortable presentation */
body{font-size:16px;line-height:1.55;background:#f4f7f5}
.hero-copy{font-size:18px}
label{font-size:14px}
input,select{font-size:16px;min-height:46px}
.muted,.hint{font-size:14px}
table{font-size:14px}
th{font-size:12px}
td input{font-size:14px}
.result-grid span,.metric span,.arrears-card span{font-size:13px}
.result-grid strong,.metric b{font-size:17px}
.arrears-card strong{font-size:25px}
.panel,.results,.notes{box-shadow:0 8px 28px rgba(31,64,55,.08)}