:root {
  --bg: #f5f1ec;
  --card: #fff;
  --ink: #1a1a1a;
  --muted: #6e6e73;
  --line: #e6e1da;
  --blue: #2860a8;
  --warn: #b42318;
}
* { box-sizing: border-box; }
html, body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "PingFang SC", "Noto Sans SC", sans-serif;
}
a { color: var(--blue); text-decoration: none; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 28px 24px 64px; }
.top { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 28px; }
.top h1 { font-size: 22px; font-weight: 600; margin: 0; }
.sub { color: var(--muted); font-size: 13px; margin: 6px 0 0; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.btn {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  border-radius: 8px;
  padding: 8px 14px;
  font: inherit;
  cursor: pointer;
}
.btn.primary { background: var(--blue); color: #fff; border-color: var(--blue); }
.btn.ghost { background: transparent; }
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 0 0 28px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px 18px;
}
.card .n { font-size: 28px; font-weight: 600; letter-spacing: -0.03em; }
.card .l { color: var(--muted); font-size: 12px; margin-top: 4px; }
.card.warn .n { color: var(--warn); }
.grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 16px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 500; font-size: 12px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.form-grid label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }
.form-grid input, .form-grid select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  font: inherit;
  color: var(--ink);
  background: #fff;
}
.span2 { grid-column: 1 / -1; }
.muted { color: var(--muted); font-size: 12px; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; background: #88c08a; }
.dot.off { background: #e08a92; }
.pay { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.pay input { width: 110px; border: 1px solid var(--line); border-radius: 8px; padding: 6px 8px; font: inherit; }
.login {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login .card { width: 360px; }
.login h1 { font-size: 20px; margin: 0 0 16px; }
.login input { width: 100%; margin: 0 0 12px; border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; font: inherit; }
.err { color: var(--warn); font-size: 13px; margin: 0 0 10px; }
@media (max-width: 900px) {
  .kpis, .grid, .form-grid { grid-template-columns: 1fr; }
}