/* ── Guriga Xabiibo — mobile-first ─────────────────────────────
   Palette: deep water blue + electric amber on soft paper.
   System fonts on purpose: instant load on mobile data. */
:root {
  --water: #0b5c74;
  --water-soft: #e3f0f4;
  --elec: #c47b09;
  --elec-soft: #fbf0da;
  --ink: #182126;
  --muted: #5f7079;
  --paper: #f4f6f7;
  --card: #ffffff;
  --line: #dde5e8;
  --good: #1c7d4d;
  --good-soft: #e3f3ea;
  --bad: #b3352c;
  --bad-soft: #fbe9e7;
  --radius: 14px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--paper);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.45;
  padding-bottom: 84px; /* room for bottom nav */
}
body.no-nav { padding-bottom: 24px; }

/* Header */
.topbar {
  background: var(--water);
  color: #fff;
  padding: max(14px, env(safe-area-inset-top)) 16px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky; top: 0; z-index: 20;
}
.topbar h1 { margin: 0; font-size: 17px; font-weight: 700; letter-spacing: .2px; }
.topbar .sub { font-size: 12px; opacity: .85; }
.topbar form { margin: 0; }
.topbar button {
  background: rgba(255,255,255,.14); border: none; color: #fff;
  padding: 7px 12px; border-radius: 8px; font-size: 13px;
}

.wrap { padding: 16px; max-width: 640px; margin: 0 auto; }

/* Flash */
.flash {
  background: var(--good-soft); color: var(--good);
  border: 1px solid #bfe3cf; border-radius: var(--radius);
  padding: 10px 14px; margin-bottom: 14px; font-weight: 600; font-size: 14px;
}

/* Cards */
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 14px 16px; margin-bottom: 12px;
}
.card h2 { margin: 0 0 10px; font-size: 15px; }
.card .hint { color: var(--muted); font-size: 13px; }

/* Stat row on dashboard */
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 14px; }
.stat {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 12px 14px;
}
.stat .label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .4px; }
.stat .value { font-size: 22px; font-weight: 800; margin-top: 2px; }
.stat.owed .value { color: var(--bad); }
.stat.paid .value { color: var(--good); }

/* Tenant balance card with the split bar */
.tenant-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 12px 14px; margin-bottom: 10px; display: block; color: inherit; text-decoration: none;
}
.tenant-card .row { display: flex; justify-content: space-between; align-items: baseline; }
.tenant-card .name { font-weight: 700; }
.tenant-card .apt { color: var(--muted); font-size: 12px; margin-left: 6px; }
.balance { font-weight: 800; }
.balance.pos { color: var(--bad); }
.balance.zero { color: var(--good); }
.balance.neg { color: var(--good); }
.pill {
  display: inline-block; font-size: 11px; font-weight: 700; border-radius: 99px;
  padding: 2px 9px; margin-top: 4px;
}
.pill.owed { background: var(--bad-soft); color: var(--bad); }
.pill.clear { background: var(--good-soft); color: var(--good); }
.pill.credit { background: var(--water-soft); color: var(--water); }

/* Split bar: water vs electricity share of a bill */
.splitbar { display: flex; height: 6px; border-radius: 4px; overflow: hidden; margin-top: 8px; background: var(--line); }
.splitbar .w { background: var(--water); }
.splitbar .e { background: var(--elec); }
.splitlegend { display: flex; gap: 14px; font-size: 12px; color: var(--muted); margin-top: 5px; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 4px; }
.dot.w { background: var(--water); } .dot.e { background: var(--elec); }

/* Forms */
label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 4px; color: var(--ink); }
label .note { font-weight: 400; color: var(--muted); }
input[type=text], input[type=number], input[type=email], input[type=password],
input[type=date], select, textarea {
  width: 100%; padding: 12px; border: 1px solid var(--line); border-radius: 10px;
  font-size: 16px; background: #fff; color: var(--ink); margin-bottom: 12px;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--water); outline-offset: 1px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }

.btn {
  display: block; width: 100%; text-align: center; border: none; cursor: pointer;
  background: var(--water); color: #fff; font-size: 16px; font-weight: 700;
  padding: 14px; border-radius: 12px; text-decoration: none;
}
.btn.secondary { background: #fff; color: var(--water); border: 1.5px solid var(--water); }
.btn.small { padding: 9px 12px; font-size: 14px; width: auto; display: inline-block; }
.btn.amber { background: var(--elec); }
.btn.danger { background: none; border: none; color: var(--bad); font-size: 13px; padding: 4px; width: auto; }
.btn + .btn { margin-top: 10px; }

/* Section headers inside forms */
.formsec {
  display: flex; align-items: center; gap: 8px; margin: 18px 0 10px;
  font-weight: 800; font-size: 14px; text-transform: uppercase; letter-spacing: .5px;
}
.formsec.water { color: var(--water); }
.formsec.elec { color: var(--elec); }
.formsec::after { content: ""; flex: 1; height: 1px; background: var(--line); }

/* Live preview table */
.preview { border-top: 2px solid var(--line); margin-top: 8px; }
.preview .prow {
  display: grid; grid-template-columns: 1.2fr 1fr 1fr 1fr; gap: 6px;
  padding: 9px 2px; border-bottom: 1px solid var(--line); font-size: 14px; align-items: baseline;
}
.preview .prow.head { font-size: 11px; text-transform: uppercase; color: var(--muted); font-weight: 700; letter-spacing: .4px; }
.preview .prow .amt { text-align: right; font-variant-numeric: tabular-nums; }
.preview .prow .tot { text-align: right; font-weight: 800; font-variant-numeric: tabular-nums; }
.preview .prow.sum { font-weight: 800; border-bottom: none; }

/* Month list */
.month-row {
  display: flex; justify-content: space-between; align-items: center;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 13px 15px; margin-bottom: 9px; text-decoration: none; color: inherit;
}
.month-row .m { font-weight: 700; }
.month-row .status { font-size: 12px; font-weight: 700; }
.month-row .status.done { color: var(--good); }
.month-row .status.open { color: var(--elec); }
.month-row .status.empty { color: var(--muted); font-weight: 400; }

/* Simple tables */
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th { text-align: left; font-size: 11px; text-transform: uppercase; color: var(--muted); letter-spacing: .4px; padding: 6px 4px; border-bottom: 1px solid var(--line); }
.table td { padding: 9px 4px; border-bottom: 1px solid var(--line); vertical-align: top; }
.table td.num, .table th.num { text-align: right; font-variant-numeric: tabular-nums; }

/* WhatsApp message cards */
.wa {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 16px; margin-bottom: 12px;
}
.wa pre {
  white-space: pre-wrap; font-family: inherit; font-size: 15px;
  background: #f0f6f3; border-radius: 10px; padding: 12px; margin: 8px 0 10px;
}
.wa .actions { display: flex; gap: 8px; }
.wa .actions .btn { flex: 1; }
.copied { background: var(--good) !important; }

/* Bottom nav */
.bottomnav {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 30;
  background: #fff; border-top: 1px solid var(--line);
  display: flex; justify-content: space-around;
  padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
}
.bottomnav a {
  flex: 1; text-align: center; text-decoration: none; color: var(--muted);
  font-size: 11px; font-weight: 600; padding: 4px 0;
}
.bottomnav a .ico { display: block; font-size: 20px; line-height: 1.2; }
.bottomnav a.active { color: var(--water); }

/* Login */
.login-wrap { min-height: 88vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.login-card { width: 100%; max-width: 380px; }
.login-card .logo { text-align: center; margin-bottom: 18px; }
.login-card .logo .house { font-size: 40px; }
.login-card .logo h1 { font-size: 20px; margin: 6px 0 2px; }
.login-card .logo p { color: var(--muted); margin: 0; font-size: 14px; }
.error { background: var(--bad-soft); color: var(--bad); border-radius: 10px; padding: 10px 12px; font-size: 14px; margin-bottom: 12px; }

.muted { color: var(--muted); }
.right { text-align: right; }
.mt { margin-top: 14px; }

@media (prefers-reduced-motion: no-preference) {
  .btn, .month-row, .tenant-card { transition: transform .08s ease; }
  .btn:active, .month-row:active, .tenant-card:active { transform: scale(.985); }
}