/* Invoicer — ledger-style admin. Cool paper, graphite ink, teal action colour,
   monospace tabular numerals for everything that is money, a date, or a number. */
:root {
  --paper: #f3f5f4;
  --surface: #ffffff;
  --ink: #182226;
  --muted: #5c6b70;
  --line: #dde4e2;
  --accent: #0e6e6b;
  --accent-soft: #e3efee;
  --paid: #2f7d4f;
  --overdue: #b4432e;
  --draft: #8a6d1f;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}
.wrap { max-width: 980px; margin: 0 auto; padding: 0 16px; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}

/* top bar */
.topbar { background: var(--surface); border-bottom: 1px solid var(--line); }
.topbar-in { display: flex; align-items: center; gap: 20px; height: 54px; flex-wrap: wrap; }
.brand { font-weight: 700; color: var(--ink); letter-spacing: -0.01em; }
.brand:hover { text-decoration: none; }
.brand-sub { font: 600 10px/1 var(--mono); color: var(--accent); margin-left: 7px;
  text-transform: uppercase; letter-spacing: 0.12em; }
.topbar nav { display: flex; gap: 4px; margin-left: auto; }
.topbar nav a { padding: 6px 10px; border-radius: 6px; color: var(--muted); font-size: 14px; }
.topbar nav a.on { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.topbar nav a:hover { text-decoration: none; color: var(--accent); }

/* generic blocks */
h1 { font-size: 22px; letter-spacing: -0.01em; margin: 26px 0 4px; }
h2 { font-size: 15px; margin: 0 0 10px; }
.sub { color: var(--muted); font-size: 13.5px; margin: 0 0 20px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 10px;
  padding: 18px; margin-bottom: 18px; }
.card h2 { display: flex; align-items: baseline; gap: 10px; }
.card h2 .count { font: 600 12px var(--mono); color: var(--muted); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 720px) { .grid2 { grid-template-columns: 1fr; } }
.flash { background: var(--accent-soft); border: 1px solid var(--accent);
  color: var(--accent); border-radius: 8px; padding: 10px 14px; margin: 16px 0; font-size: 14px; }

/* tables */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; color: var(--muted); font: 600 11px var(--mono);
  text-transform: uppercase; letter-spacing: 0.08em; padding: 6px 8px;
  border-bottom: 1px solid var(--line); }
td { padding: 9px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums;
  white-space: nowrap; }
td.mono { font-family: var(--mono); font-size: 13px; white-space: nowrap; }
tr.inactive td { color: var(--muted); }
.table-scroll { overflow-x: auto; }

/* badges */
.badge { display: inline-block; font: 600 11px var(--mono); letter-spacing: 0.05em;
  padding: 2px 8px; border-radius: 99px; text-transform: uppercase; }
.badge-draft { background: #f5eeda; color: var(--draft); }
.badge-sent { background: var(--accent-soft); color: var(--accent); }
.badge-paid { background: #e2f0e7; color: var(--paid); }
.badge-void { background: #eee; color: var(--muted); }
.badge-overdue { background: #f6e3de; color: var(--overdue); }

/* forms */
label { display: block; font-size: 13px; font-weight: 600; margin: 12px 0 4px; }
label .hint { font-weight: 400; color: var(--muted); }
input[type=text], input[type=email], input[type=password], input[type=number],
select, textarea {
  width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 7px;
  background: var(--surface); color: var(--ink); font: inherit;
}
textarea { min-height: 74px; resize: vertical; }
.frow { display: flex; gap: 12px; }
.frow > div { flex: 1; }
.checkline { display: flex; align-items: center; gap: 8px; margin: 12px 0 4px; font-size: 14px; }
.checkline input { width: auto; }

button, .btn {
  display: inline-block; border: 0; border-radius: 7px; padding: 8px 14px;
  background: var(--accent); color: #fff; font: 600 14px/1.4 system-ui, sans-serif;
  cursor: pointer; text-decoration: none;
}
.btn:hover, button:hover { filter: brightness(1.08); text-decoration: none; }
.btn-ghost { background: transparent; color: var(--accent); border: 1px solid var(--line); }
.btn-danger { background: transparent; color: var(--overdue); border: 1px solid var(--line); }
.btn-sm { padding: 4px 10px; font-size: 13px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
form.inline { display: inline; }

/* billing rail — month strip on the dashboard */
.rail { display: grid; grid-template-columns: repeat(31, 1fr); gap: 2px; margin-top: 6px; }
.rail .d { position: relative; text-align: center; font: 10px var(--mono);
  color: var(--muted); padding: 16px 0 3px; border-radius: 4px; }
.rail .d .dot { position: absolute; top: 4px; left: 50%; transform: translateX(-50%);
  width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.rail .d.today { background: var(--accent-soft); color: var(--accent); font-weight: 700; }
@media (max-width: 720px) { .rail { grid-template-columns: repeat(16, 1fr); } .rail .d.h2 { display:none; } }

/* stat strip */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 18px 0; }
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; }
.stat .k { font: 600 11px var(--mono); color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }
.stat .v { font: 700 20px var(--mono); font-variant-numeric: tabular-nums; margin-top: 2px; }
@media (max-width: 600px) { .stats { grid-template-columns: 1fr; } }

/* login */
.login-box { max-width: 360px; margin: 12vh auto; }
.login-box h1 { text-align: center; }

.muted { color: var(--muted); font-size: 13px; }
.right { text-align: right; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }