/* ============================================================
   LedgerLine — shared design system
   Used by index.html (landing) + all tool/app pages (mileage, expenses, …).
   Money color language: green = kept/deduction · amber = set aside · rose = owed.
   ============================================================ */
:root{
  --ll-bg:#0B0F1A; --ll-surface:#141A2B; --ll-raised:#1B2236; --ll-line:#26304A;
  --ll-primary:#8A8DFF; --ll-primary-deep:#5256E0; --ll-primary-soft:rgba(126,130,255,.14);
  --ll-green:#34D399; --ll-amber:#F5A524; --ll-rose:#FB7185;
  --ll-ink:#E7EAF3; --ll-muted:#9AA6BF; --ll-faint:#838fa8;
  --ll-radius:16px; --ll-radius-sm:11px;
  --ll-display:'Space Grotesk',system-ui,sans-serif;
  --ll-sans:'Inter',system-ui,sans-serif;
  --ll-mono:'JetBrains Mono',ui-monospace,monospace;
  --ll-container:1140px;
  --ll-shadow:0 20px 50px -24px rgba(0,0,0,.7);
  --ll-glow:0 0 0 1px rgba(138,141,255,.35),0 14px 40px -18px rgba(82,86,224,.6);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--ll-bg);color:var(--ll-ink);font-family:var(--ll-sans);line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:clip}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--ll-container);margin:0 auto;padding:0 22px}
h1,h2,h3{font-family:var(--ll-display);line-height:1.1;letter-spacing:-.02em;font-weight:600}
.mono{font-family:var(--ll-mono);font-variant-numeric:tabular-nums}
.eyebrow{font-family:var(--ll-mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ll-primary);font-weight:600}

/* nav */
.nav{position:sticky;top:0;z-index:40;background:rgba(11,15,26,.72);backdrop-filter:blur(14px);border-bottom:1px solid var(--ll-line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--ll-display);font-weight:700;font-size:1.12rem;letter-spacing:-.02em}
.brand .glyph{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--ll-primary),var(--ll-primary-deep));display:grid;place-items:center;box-shadow:var(--ll-glow)}
.brand .glyph svg{width:17px;height:17px}
.nav-links{display:flex;gap:26px;align-items:center}
.nav-links a{color:var(--ll-muted);font-size:.92rem;font-weight:500}
.nav-links a:hover{color:var(--ll-ink)}
.nav-links a[aria-current="page"]{color:var(--ll-ink)}
.btn{display:inline-flex;align-items:center;gap:8px;border:none;cursor:pointer;font-family:var(--ll-sans);font-weight:600;font-size:.95rem;padding:11px 20px;border-radius:11px;transition:transform .15s,box-shadow .2s,background .2s}
.btn-primary{background:linear-gradient(135deg,var(--ll-primary),var(--ll-primary-deep));color:#0a0d18;box-shadow:var(--ll-glow)}
.btn-primary:hover{transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ll-ink);border:1px solid var(--ll-line)}
.btn-ghost:hover{border-color:var(--ll-primary);background:var(--ll-primary-soft)}
.btn-sm{padding:8px 14px;font-size:.86rem;border-radius:9px}
.brand-word{display:inline}
@media(max-width:780px){
  /* on mobile: keep all tool links reachable via a horizontal scroll row */
  .nav .wrap{gap:10px}
  .nav-links{display:flex;flex:1;gap:18px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;padding:2px 0;-ms-overflow-style:none}
  .nav-links::-webkit-scrollbar{display:none}
  .nav-links a{white-space:nowrap}
  .nav-cta{display:none}
  .brand-word{display:none}
}

/* sections */
section.band{padding:72px 0;border-top:1px solid var(--ll-line)}
.sec-head{text-align:center;max-width:38em;margin:0 auto 44px}
.sec-head h2{font-size:clamp(1.7rem,3.2vw,2.4rem);margin:12px 0}
.sec-head p{color:var(--ll-muted);font-size:1.05rem}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:860px){.grid3{grid-template-columns:1fr}}

/* card */
.card{background:var(--ll-surface);border:1px solid var(--ll-line);border-radius:var(--ll-radius);padding:24px;transition:transform .2s,border-color .2s}
.card:hover{transform:translateY(-4px);border-color:rgba(138,141,255,.45)}
.card .ic{width:42px;height:42px;border-radius:11px;background:var(--ll-primary-soft);display:grid;place-items:center;margin-bottom:15px}
.card .ic svg{width:21px;height:21px;color:var(--ll-primary)}
.card h3{font-size:1.18rem;margin-bottom:8px}
.card p{color:var(--ll-muted);font-size:.94rem}
.card .soon{display:inline-block;margin-top:12px;font-family:var(--ll-mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ll-amber);border:1px solid rgba(245,165,36,.3);padding:3px 8px;border-radius:6px}
.card .live{color:var(--ll-green);border-color:rgba(52,211,153,.35)}

/* form controls (shared by estimator + tools) */
.seg{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;gap:6px;background:var(--ll-bg);border:1px solid var(--ll-line);border-radius:10px;padding:5px}
.seg button{background:transparent;border:none;color:var(--ll-muted);font-family:var(--ll-sans);font-weight:600;font-size:.82rem;padding:8px 4px;border-radius:7px;cursor:pointer;transition:.15s}
.seg button[aria-pressed="true"]{background:var(--ll-primary-soft);color:var(--ll-ink);box-shadow:inset 0 0 0 1px rgba(138,141,255,.4)}
.field{margin-bottom:13px}
.field label{display:flex;justify-content:space-between;align-items:baseline;font-size:.82rem;color:var(--ll-muted);margin-bottom:6px;font-weight:500}
.field label .val{font-family:var(--ll-mono);color:var(--ll-ink);font-weight:600;font-size:.9rem}
.field label .sub{font-size:.72rem;color:var(--ll-green);font-weight:600}
.input-money{display:flex;align-items:center;background:var(--ll-bg);border:1px solid var(--ll-line);border-radius:10px;padding:0 12px;transition:.15s}
.input-money:focus-within{border-color:var(--ll-primary);box-shadow:0 0 0 3px var(--ll-primary-soft)}
.input-money span{color:var(--ll-faint);font-family:var(--ll-mono);font-size:.95rem}
.input-money input{flex:1;background:transparent;border:none;outline:none;color:var(--ll-ink);font-family:var(--ll-mono);font-weight:600;font-size:1rem;padding:11px 6px;width:100%}
input[type=range]{-webkit-appearance:none;width:100%;height:5px;border-radius:4px;background:var(--ll-line);margin-top:10px;outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:var(--ll-primary);cursor:pointer;box-shadow:0 0 0 4px var(--ll-primary-soft)}
input[type=range]::-moz-range-thumb{width:18px;height:18px;border:none;border-radius:50%;background:var(--ll-primary);cursor:pointer}
select.state,select.ll-select{width:100%;background:var(--ll-bg);border:1px solid var(--ll-line);border-radius:10px;color:var(--ll-ink);font-family:var(--ll-sans);font-size:.92rem;padding:11px 12px;cursor:pointer}
select.state:focus,select.ll-select:focus{outline:none;border-color:var(--ll-primary);box-shadow:0 0 0 3px var(--ll-primary-soft)}
.input-text{width:100%;background:var(--ll-bg);border:1px solid var(--ll-line);border-radius:10px;color:var(--ll-ink);font-family:var(--ll-sans);font-size:.92rem;padding:11px 12px}
.input-text:focus{outline:none;border-color:var(--ll-primary);box-shadow:0 0 0 3px var(--ll-primary-soft)}
.cols2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:860px){.cols2{grid-template-columns:1fr}}

/* footer */
footer{border-top:1px solid var(--ll-line);padding:40px 0;color:var(--ll-faint);font-size:.84rem}
footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center}
.legal{max-width:46em;line-height:1.5}

/* ============ tool / app pages (mileage, expenses, income, …) ============ */
.tool-head{padding:46px 0 26px}
.tool-head .eyebrow{margin-bottom:12px;display:block}
.tool-head h1{font-size:clamp(1.9rem,3.6vw,2.7rem);margin-bottom:10px}
.tool-head p{color:var(--ll-muted);max-width:46em}
.rate-pill{display:inline-flex;align-items:center;gap:7px;margin-top:14px;font-family:var(--ll-mono);font-size:.8rem;color:var(--ll-green);border:1px solid rgba(52,211,153,.3);background:rgba(52,211,153,.07);padding:6px 11px;border-radius:8px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:26px}
.stat{background:var(--ll-surface);border:1px solid var(--ll-line);border-radius:var(--ll-radius);padding:18px}
.stat .sl{font-size:.78rem;color:var(--ll-muted);margin-bottom:7px}
.stat .sv{font-family:var(--ll-mono);font-weight:700;font-size:1.6rem;line-height:1}
.stat.accent .sv{color:var(--ll-green)}
.stat .cap{font-size:.7rem;color:var(--ll-faint);margin-top:6px}
@media(max-width:760px){.stat-grid{grid-template-columns:1fr 1fr}}
.panel{background:var(--ll-surface);border:1px solid var(--ll-line);border-radius:var(--ll-radius);padding:22px;margin-bottom:22px}
.panel h2{font-size:1.15rem;margin-bottom:16px}
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;align-items:end}
.form-grid .field{margin-bottom:0}
.form-grid .full{grid-column:1/-1}
.form-row2{display:grid;grid-template-columns:1fr 220px;gap:12px;align-items:end;margin-top:12px}
@media(max-width:760px){.form-row2{grid-template-columns:1fr}}
.toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.toolbar .t{font-family:var(--ll-display);font-weight:600;font-size:1.15rem}
table.trips{width:100%;border-collapse:collapse;font-size:.9rem}
table.trips th{text-align:left;color:var(--ll-muted);font-weight:600;font-size:.76rem;text-transform:uppercase;letter-spacing:.05em;padding:0 10px 10px;border-bottom:1px solid var(--ll-line)}
table.trips td{padding:12px 10px;border-bottom:1px solid var(--ll-line)}
table.trips td.num{font-family:var(--ll-mono);text-align:right}
table.trips td.ded{font-family:var(--ll-mono);text-align:right;color:var(--ll-green);font-weight:600}
.tag{font-size:.7rem;font-weight:600;padding:3px 8px;border-radius:6px;white-space:nowrap}
.tag.biz{color:var(--ll-primary);background:var(--ll-primary-soft)}
.tag.per{color:var(--ll-faint);background:rgba(103,115,143,.14)}
.tag.line{color:var(--ll-amber);background:rgba(245,165,36,.12);font-family:var(--ll-mono)}
.del{background:transparent;border:none;color:var(--ll-faint);cursor:pointer;font-size:1.1rem;line-height:1;padding:4px 6px;border-radius:6px;transition:.15s}
.del:hover{color:var(--ll-rose);background:rgba(251,113,133,.1)}
.empty{text-align:center;padding:44px 20px;color:var(--ll-faint)}
.empty svg{width:38px;height:38px;color:var(--ll-line);margin-bottom:12px}
.disclaim{margin-top:22px;font-size:.74rem;color:var(--ll-faint);line-height:1.5;max-width:60em}

/* keyboard focus — a visible accent ring on every interactive control (keyboard only, not mouse) */
a:focus-visible, button:focus-visible, .btn:focus-visible, .seg button:focus-visible,
.chip:focus-visible, .recv:focus-visible, .src-card:focus-visible, .card:focus-visible,
.del:focus-visible, .lb-close:focus-visible, .lb-del:focus-visible, summary:focus-visible{
  outline:2px solid var(--ll-primary); outline-offset:2px;
}
/* older browsers without :focus-visible — keep a ring on keyboard focus for buttons/links */
a:focus, button:focus{ outline-color:var(--ll-primary); }
a:focus:not(:focus-visible), button:focus:not(:focus-visible){ outline:none; }

@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto}}