:root {
  --bg: #f3efe6;
  --ink: #1c2430;
  --accent: #0f6b5c;
  --card: #fffdf8;
  --line: #d7d0c3;
  --danger: #9b1c1c;
  --ok: #146c43;
  --muted: #5c6775;
  --shadow: 0 10px 30px rgba(28, 36, 48, 0.08);
  font-family: "Segoe UI", "Helvetica Neue", sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(15,107,92,.12), transparent 40%),
    linear-gradient(180deg, #f7f3eb 0%, var(--bg) 100%);
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.top {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  padding: .9rem 1.25rem; background: rgba(255,253,248,.9); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; backdrop-filter: blur(8px); z-index: 10;
}
.brand a { font-weight: 700; font-size: 1.15rem; color: var(--ink); text-decoration: none; }
nav { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; font-size: .92rem; }
nav .user { color: var(--muted); }
.wrap { max-width: 1100px; margin: 0 auto; padding: 1.25rem; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 1.1rem 1.2rem; box-shadow: var(--shadow); margin-bottom: 1rem;
}
h1,h2 { margin-top: 0; }
.grid { display: grid; gap: 1rem; }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
label { display: block; font-size: .85rem; color: var(--muted); margin: .55rem 0 .2rem; }
input, select, textarea, button {
  font: inherit; padding: .55rem .7rem; border-radius: 10px; border: 1px solid var(--line); width: 100%;
}
button, .btn {
  background: var(--accent); color: white; border: none; cursor: pointer; width: auto;
  display: inline-block; padding: .55rem .9rem; border-radius: 999px;
}
button.secondary, .btn.secondary { background: #425466; }
button.danger { background: var(--danger); }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .55rem .4rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.flash { background: #e8f6ef; color: var(--ok); padding: .7rem 1rem; border-radius: 10px; margin-bottom: 1rem; }
.error { background: #fde8e8; color: var(--danger); padding: .7rem 1rem; border-radius: 10px; margin-bottom: 1rem; }
.muted { color: var(--muted); }
.inline { display: inline; }
.inline button { padding: .25rem .6rem; font-size: .85rem; }
.checks { display: grid; gap: .35rem; }
.checks label { display: flex; gap: .5rem; align-items: center; color: var(--ink); }
.checks input { width: auto; }
.money { font-variant-numeric: tabular-nums; }
.login-box { max-width: 420px; margin: 4rem auto; }
.subtotal { font-weight: 700; background: #f0ebe1; }
@media print {
  .top, .no-print, .flash, .error { display: none !important; }
  body { background: white; }
  .card { box-shadow: none; border: none; }
}