/* BillPe skin: crisp and trustworthy (money). Navy-to-teal header with a torn-receipt edge,
   bordered cards, Material-style bottom bar, Inter with tabular numbers. Layered after theme.css. */
:root { --bg: #f2f5f7; --radius: 14px; --line: #e2e8ee;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; font-variant-numeric: tabular-nums; }

/* header: square, faint ledger grid, zigzag receipt edge */
.topbar { border-radius: 0; padding-bottom: 46px;
  background: repeating-linear-gradient(0deg, rgba(255,255,255,.05) 0 1px, transparent 1px 22px),
              repeating-linear-gradient(90deg, rgba(255,255,255,.05) 0 1px, transparent 1px 22px),
              linear-gradient(150deg, #0b2a3c 0%, var(--g1) 55%, var(--g2) 100%); }
.topbar.tall { padding-bottom: 66px; }
.topbar::before { display: none; }
.topbar::after { left: 0; right: 0; bottom: 0; width: auto; height: 12px; border-radius: 0;
  background: linear-gradient(135deg, var(--bg) 6px, transparent 0) 0 0 / 12px 12px repeat-x,
              linear-gradient(225deg, var(--bg) 6px, transparent 0) 0 0 / 12px 12px repeat-x; }
.topbar h1 { font-weight: 800; letter-spacing: -.6px; }
.tb-av, .topbar .back { border-radius: 10px; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.25); }

/* bordered, flatter cards */
.card, .stat, .invoice, .list a, .list .li { border: 1px solid var(--line); box-shadow: 0 1px 2px rgba(15, 23, 42, .04); }
.stat b { font-weight: 700; letter-spacing: -.5px; }
.amt, .dprice, .stat b { font-variant-numeric: tabular-nums; }
.gcard { border-radius: 16px; }

/* solid, squarer buttons */
.btn { background: var(--g1); border-radius: 10px; box-shadow: none; }
.btn.ghost { background: #e6f4f1; color: var(--g1); }
.chip { box-shadow: none; border: 1px solid var(--line); border-radius: 10px; }
.chip.on { background: var(--g1); border-color: var(--g1); }
label.f input, label.f select, label.f textarea { border-radius: 10px; background: #fff; }
.seg, .tabs2 { border-radius: 10px; }
.seg button, .tabs2 button { border-radius: 8px; }

/* Material-style docked bar: pill behind the active icon, square New-bill button */
.nav { left: 0; right: 0; bottom: 0; border-radius: 0; height: calc(var(--nav-h) + 6px + env(safe-area-inset-bottom, 0px));
  padding-bottom: env(safe-area-inset-bottom, 0px); background: #fff; border-top: 1px solid var(--line); box-shadow: none; max-width: none; backdrop-filter: none; }
:root { --float: calc(var(--nav-h) + 16px + env(safe-area-inset-bottom, 0px)); }
.nav a.on::after { display: none; }
.nav a .ic { padding: 4px 18px; border-radius: 16px; }
.nav a.on .ic { background: #d7efea; transform: none; }
.nav a.on { color: #0b3b36; }
.nav a.sell .ic { border-radius: 16px; background: var(--g1); border: 0; width: 52px; height: 44px; margin-top: -18px; padding: 0; box-shadow: 0 6px 14px -4px var(--g1); }
.actionbar, .composer, .summary-bar { border-radius: 14px; border: 1px solid var(--line); box-shadow: 0 8px 20px rgba(15, 23, 42, .10); }

/* login */
body:has(.auth) { background: linear-gradient(160deg, #0b2a3c 0%, var(--g1) 55%, var(--g2) 100%); }
.auth .hero .mark { border-radius: 18px; }
.auth .demo-logins .btn { border-radius: 12px; background: linear-gradient(135deg, #0f766e, #14b8a6); }
.auth .demo-logins .btn:nth-child(4n+2) { background: linear-gradient(135deg, #1e3a5f, #334e68); }
.auth .demo-logins .btn:nth-child(4n+3) { background: linear-gradient(135deg, #047857, #10b981); }
.auth .demo-logins .btn:nth-child(4n+4) { background: linear-gradient(135deg, #0369a1, #0891b2); }