:root {
  --primary: #1f4e79;
  --accent:  #c8791a;
  --bg:      #f5f6f8;
  --card:    #ffffff;
  --text:    #22262b;
  --muted:   #626b76;
  --line:    #dde2e8;
  --good:    #1d7a44;
  --bad:     #b3261e;
  --warn:    #9a6800;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

a { color: var(--primary); }

/* ── Chrome ─────────────────────────────────────────────── */
.topbar {
  display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap;
  background: var(--primary); color: #fff; padding: .6rem 1.25rem;
}
.topbar a { color: #fff; text-decoration: none; }
.brand { display: flex; flex-direction: column; line-height: 1.15; }
.brand strong { font-size: 1.15rem; letter-spacing: .06em; }
.brand span { font-size: .75rem; opacity: .8; }
.topbar nav { display: flex; gap: .25rem; flex-wrap: wrap; flex: 1; }
.topbar nav a { padding: .4rem .7rem; border-radius: 5px; font-size: .92rem; }
.topbar nav a:hover { background: rgba(255,255,255,.14); }
.topbar nav a.on { background: rgba(255,255,255,.24); font-weight: 600; }
.who { display: flex; align-items: center; gap: .75rem; font-size: .85rem; }
.linkish {
  background: none; border: 0; color: #fff; opacity: .85;
  cursor: pointer; font: inherit; text-decoration: underline; padding: 0;
}

main { max-width: 1180px; margin: 1.5rem auto 3rem; padding: 0 1.25rem; }
.foot { text-align: center; color: var(--muted); font-size: .8rem; padding: 0 1rem 2rem; }

/* ── Blocks ─────────────────────────────────────────────── */
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 8px; padding: 1.1rem 1.25rem; margin-bottom: 1.25rem;
}
.card > h2 { margin: 0 0 .9rem; font-size: 1.05rem; }
.card > h2 .sub { font-weight: 400; color: var(--muted); font-size: .85rem; margin-left: .5rem; }

.page-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem;
}
.page-head h1 { font-size: 1.4rem; margin: 0; }
.page-head .sub { color: var(--muted); font-size: .9rem; }

.grid { display: grid; gap: 1.25rem; }
.grid.two   { grid-template-columns: repeat(auto-fit, minmax(330px, 1fr)); }
.grid.three { grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.grid.four  { grid-template-columns: repeat(auto-fit, minmax(175px, 1fr)); }

.stat { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: .9rem 1rem; }
.stat .k { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; }
.stat .v { font-size: 1.5rem; font-weight: 600; margin-top: .2rem; }
.stat .n { color: var(--muted); font-size: .78rem; margin-top: .15rem; }
.stat.hi { border-color: var(--accent); box-shadow: inset 0 2px 0 var(--accent); }

/* ── Tables ─────────────────────────────────────────────── */
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { text-align: left; padding: .5rem .6rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: .75rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
tbody tr:hover { background: #fafbfc; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
tfoot td { font-weight: 600; border-top: 2px solid var(--line); border-bottom: 0; }
.table-scroll { overflow-x: auto; }
.empty { color: var(--muted); padding: .75rem 0; }

/* ── Forms ──────────────────────────────────────────────── */
label { display: block; font-size: .8rem; color: var(--muted); margin-bottom: .2rem; }
input[type=text], input[type=email], input[type=password], input[type=date],
input[type=number], select, textarea {
  width: 100%; padding: .45rem .55rem; border: 1px solid var(--line);
  border-radius: 5px; font: inherit; background: #fff; color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--primary); outline-offset: -1px; }
textarea { min-height: 4.5rem; resize: vertical; }
.field { margin-bottom: .8rem; }
.row { display: grid; gap: .8rem; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.checkline { display: flex; align-items: center; gap: .4rem; font-size: .9rem; color: var(--text); }
.checkline label { margin: 0; color: var(--text); font-size: .9rem; }

.btn {
  display: inline-block; background: var(--primary); color: #fff; border: 1px solid var(--primary);
  padding: .45rem .9rem; border-radius: 5px; cursor: pointer; font: inherit; text-decoration: none;
}
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: #fff; color: var(--primary); }
.btn.warn { background: var(--warn); border-color: var(--warn); }
.btn.danger { background: var(--bad); border-color: var(--bad); }
.btn.small { padding: .25rem .6rem; font-size: .85rem; }
.actions { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }

.filters { display: flex; gap: .6rem; flex-wrap: wrap; align-items: flex-end; margin-bottom: 1rem; }
.filters .field { margin: 0; }
.filters input, .filters select { min-width: 9rem; }

/* ── Badges and flashes ─────────────────────────────────── */
.badge {
  display: inline-block; padding: .1rem .5rem; border-radius: 999px;
  font-size: .75rem; font-weight: 600; border: 1px solid;
}
.badge.good  { color: var(--good); border-color: var(--good); background: #eaf6ef; }
.badge.bad   { color: var(--bad);  border-color: var(--bad);  background: #fdeceb; }
.badge.warn  { color: var(--warn); border-color: var(--warn); background: #fdf5e3; }
.badge.plain { color: var(--muted); border-color: var(--line); background: #f2f4f6; }

.flash { padding: .65rem .9rem; border-radius: 6px; margin-bottom: 1rem; border: 1px solid; }
.flash.ok   { background: #eaf6ef; border-color: var(--good); color: #14562f; }
.flash.bad  { background: #fdeceb; border-color: var(--bad);  color: #7d1a15; }
.flash.warn { background: #fdf5e3; border-color: var(--warn); color: #6b4900; }

.muted { color: var(--muted); }
.small { font-size: .85rem; }
.right { text-align: right; }
.nowrap { white-space: nowrap; }
.note {
  background: #f2f6fb; border-left: 3px solid var(--primary);
  padding: .6rem .8rem; border-radius: 4px; font-size: .88rem; margin: .75rem 0;
}

/* ── Login ──────────────────────────────────────────────── */
.login-wrap { max-width: 380px; margin: 8vh auto; padding: 0 1rem; }
.login-wrap h1 { text-align: center; color: var(--primary); letter-spacing: .08em; margin-bottom: .1rem; }
.login-wrap .tag { text-align: center; color: var(--muted); font-size: .85rem; margin: 0 0 1.5rem; }

/* ── Invoice line editor ────────────────────────────────── */
.lines td { vertical-align: middle; }
.lines input[type=text] { min-width: 5rem; }
.lines .desc { min-width: 15rem; }
.lines .drop { min-width: 12rem; }
.totals { margin-left: auto; max-width: 22rem; }
.totals table td { border: 0; padding: .25rem .3rem; }
.totals tr.grand td { border-top: 2px solid var(--line); font-size: 1.05rem; font-weight: 700; padding-top: .5rem; }

/* ── Printable invoice ──────────────────────────────────── */
.sheet {
  max-width: 8.5in; margin: 1rem auto; background: #fff; padding: .6in;
  border: 1px solid var(--line); color: #000;
}
.sheet h1 { margin: 0; font-size: 1.6rem; color: var(--primary); }
.sheet .head { display: flex; justify-content: space-between; gap: 2rem; margin-bottom: 1.5rem; }
.sheet .parties { display: flex; justify-content: space-between; gap: 2rem; margin-bottom: 1.25rem; }
.sheet .meta td { border: 0; padding: .1rem .5rem .1rem 0; font-size: .9rem; }
.print-bar { max-width: 8.5in; margin: 1rem auto 0; display: flex; gap: .5rem; }

@media print {
  .print-bar, .topbar, .foot { display: none !important; }
  body { background: #fff; }
  .sheet { border: 0; margin: 0; padding: 0; max-width: none; }
}