/* FeeMath tools (mileage log, background remover, price checker) */
:root{--bg:#f6f7f5;--surface:#fff;--ink:#16201d;--muted:#5b6662;--line:#dfe4e1;--brand:#0f766e;--brand-ink:#fff;--soft:#e3f2ef;--warn:#9a5b00;--warn-soft:#fff4e0;--err:#b42318;--err-soft:#fdecea;--r:14px;--sh:0 1px 2px rgba(16,24,20,.06),0 6px 20px rgba(16,24,20,.06)}
@media (prefers-color-scheme:dark){:root{--bg:#0f1412;--surface:#171d1b;--ink:#e8eeeb;--muted:#9aa7a2;--line:#2a3330;--brand:#2dd4bf;--brand-ink:#05211d;--soft:#143430;--warn:#f5b454;--warn-soft:#2c2414;--err:#ff8a80;--err-soft:#2d1615;--sh:none}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
a{color:var(--brand)}.wrap{max-width:900px;margin:0 auto;padding:0 16px}
.top{background:var(--surface);border-bottom:1px solid var(--line)}.top-in{display:flex;align-items:center;justify-content:space-between;min-height:56px;gap:10px;flex-wrap:wrap}
.brand{font-weight:800;text-decoration:none;color:var(--ink);display:flex;align-items:center;gap:8px;font-size:18px}
.logo{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:8px;background:var(--brand);color:var(--brand-ink)}
.top-nav{display:flex;gap:14px;font-size:14px;align-items:center;flex-wrap:wrap}.top-nav a{text-decoration:none;color:var(--muted)}
.top-nav .pill{background:var(--brand);color:var(--brand-ink);padding:6px 12px;border-radius:999px;font-weight:700}
.crumbs{font-size:13px;color:var(--muted);padding-top:12px}.crumbs a{color:var(--muted)}
.t-hero{padding-top:18px;padding-bottom:6px}.t-hero h1{font-size:clamp(26px,5.5vw,38px);line-height:1.15;margin:0 0 8px;letter-spacing:-.01em}
.t-hero p{color:var(--muted);margin:0 0 6px;max-width:680px}
.badge{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.04em;background:var(--soft);color:var(--brand);border-radius:999px;padding:3px 10px;margin-bottom:8px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);padding:16px;margin:14px 0}
.card h2{font-size:18px;margin:0 0 10px}
.row{display:flex;gap:10px;flex-wrap:wrap}.row>*{flex:1 1 160px}
label.f{display:block;font-size:13px;font-weight:700;color:var(--muted);margin-bottom:4px}
input,select,textarea{width:100%;font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:10px 12px;min-height:44px}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand);outline-offset:1px;border-color:transparent}
.chk{display:flex;align-items:center;gap:8px;font-size:15px;min-height:44px}.chk input{width:20px;height:20px;min-height:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;font:inherit;font-weight:800;border:0;border-radius:999px;padding:11px 20px;min-height:44px;cursor:pointer;background:var(--brand);color:var(--brand-ink);text-decoration:none}
.btn.sec{background:var(--soft);color:var(--brand)}.btn.ghost{background:transparent;color:var(--muted);border:1px solid var(--line)}
.btn:disabled{opacity:.55;cursor:not-allowed}.btn.sm{padding:6px 12px;min-height:34px;font-size:14px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}
.stat{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:12px}.stat small{display:block;color:var(--muted);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.05em}
.stat b{font-size:24px;font-variant-numeric:tabular-nums}
.tbl{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:9px 8px;border-bottom:1px solid var(--line);vertical-align:top}th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
td.n,th.n{text-align:right;font-variant-numeric:tabular-nums}
.chips{display:flex;flex-wrap:wrap;gap:6px}.chips button{font:inherit;font-size:13px;border:1px solid var(--line);background:var(--bg);color:var(--ink);border-radius:999px;padding:5px 10px;cursor:pointer}
.note{font-size:13px;color:var(--muted)}.warn{background:var(--warn-soft);color:var(--warn);border-radius:10px;padding:10px 12px;font-size:14px}
.err{background:var(--err-soft);color:var(--err);border-radius:10px;padding:10px 12px;font-size:14px}
.up{background:linear-gradient(110deg,#0f766e,#14b8a6 50%,#6366f1);color:#fff;border-radius:var(--r);padding:16px;display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.up .btn{background:#fff;color:#0f766e}
.drop{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;border:2px dashed var(--line);border-radius:var(--r);padding:26px 16px;text-align:center;cursor:pointer;background:var(--bg)}
.drop.over,.drop:hover{border-color:var(--brand);background:var(--soft)}.drop input{display:none}.drop small{color:var(--muted)}
.bar{height:8px;background:var(--line);border-radius:99px;overflow:hidden}.bar i{display:block;height:100%;background:var(--brand);width:0;transition:width .2s}
.content h2{font-size:22px;margin:30px 0 10px}.content p,.content li{max-width:720px}
details{background:var(--surface);border:1px solid var(--line);border-radius:12px;margin:8px 0;padding:0 14px}summary{cursor:pointer;font-weight:700;padding:12px 0}details p{margin:0 0 12px}
.rel{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:8px}.rel a{display:block;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:10px 12px;text-decoration:none;font-weight:600}
.foot{border-top:1px solid var(--line);padding:18px 0;font-size:14px;color:var(--muted);margin-top:30px}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.45);display:none;align-items:center;justify-content:center;padding:16px;z-index:50}.modal.on{display:flex}
.modal .card{max-width:420px;width:100%}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
@media print{.top,.crumbs,.no-print,.foot,.content,.up{display:none!important}body{background:#fff;color:#000}.card{box-shadow:none;border:0;padding:0}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}