:root {
  --bg: #f6f6f4;
  --card: #ffffff;
  --text: #1d1d1b;
  --muted: #6b6b66;
  --line: #e2e1dc;
  --accent: #1f6feb;
  --ok: #1a7f37;
  --warn: #b35900;
  --bad: #c62828;
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.45 system-ui, "Segoe UI", sans-serif; background: var(--bg); color: var(--text); }
header { background: var(--text); color: #fff; padding: 0 16px; display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }
header strong { font-size: 17px; padding: 12px 0; }
header nav a { color: #ddd; text-decoration: none; padding: 12px 8px; display: inline-block; }
header nav a:hover { color: #fff; }
main { max-width: 1100px; margin: 0 auto; padding: 16px; }
h1 { font-size: 22px; margin: 8px 0 16px; }
h2 { font-size: 17px; margin: 24px 0 8px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 16px; margin-bottom: 16px; }
table { width: 100%; border-collapse: collapse; background: var(--card); }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { font-size: 13px; color: var(--muted); font-weight: 600; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; }
a { color: var(--accent); }
input, select, button { font: inherit; padding: 6px 10px; border: 1px solid var(--line); border-radius: 6px; background: #fff; }
input[type=number] { width: 110px; }
button, .btn { background: var(--accent); color: #fff; border-color: var(--accent); cursor: pointer; text-decoration: none; display: inline-block; padding: 6px 14px; border-radius: 6px; }
button.secondary { background: #fff; color: var(--text); border-color: var(--line); }
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 10px; align-items: end; }
.form-grid label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.muted { color: var(--muted); }
.neg { color: var(--bad); }
.pos { color: var(--ok); }
.badge { display: inline-block; font-size: 12px; padding: 2px 8px; border-radius: 10px; background: var(--line); }
.badge.out { background: #fde2e2; color: var(--bad); }
.badge.low { background: #fff0db; color: var(--warn); }
button.danger { background: var(--bad); border-color: var(--bad); }
.btn.secondary { background: #fff; color: var(--text); border: 1px solid var(--line); }
.toolbar form { margin: 0; }
.toolbar-link { align-self: center; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat strong { font-size: 22px; font-variant-numeric: tabular-nums; }
.bar-col { width: 40%; }
.bar { display: block; height: 10px; border-radius: 5px; background: var(--accent); min-width: 2px; }
.notice { padding: 10px 14px; border-radius: 6px; background: #e7f0fe; margin-bottom: 16px; }
.notice.error { background: #fde2e2; }
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }