:root {
  color-scheme: light;
  --bg: #f4f6f8;
  --surface: #fff;
  --ink: #1c2430;
  --muted: #5c6775;
  --line: #d9e0e7;
  --accent: #1d4e89;
  --accent-ink: #fff;
  --danger: #9f2d2d;
  --ok: #1f6b45;
  font-family: "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--ink); }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }
h1, h2, p { margin: 0; }
h1 { font-size: 1.35rem; letter-spacing: -0.02em; }
h2 { font-size: 1.1rem; }

.muted { color: var(--muted); }
.error { color: var(--danger); margin: 0; }
.kicker { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); }

.surface {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.login { min-height: 100vh; display: grid; place-items: center; padding: 1.5rem; }
.login-card { width: min(100%, 24rem); display: grid; gap: 0.9rem; padding: 1.4rem; }
label { display: grid; gap: 0.35rem; font-size: 0.88rem; font-weight: 600; }
input, textarea, select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.55rem 0.65rem;
  background: #fff;
}
textarea { min-height: 7rem; resize: vertical; }
input:focus, textarea:focus, select:focus { outline: 2px solid #8eb4db; outline-offset: 1px; }

.btn {
  min-height: 2.25rem;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 6px;
  padding: 0.35rem 0.8rem;
  font-weight: 650;
}
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn.danger { color: var(--danger); }
.btn:disabled { opacity: 0.55; cursor: default; }

.topbar, .layout { width: min(1120px, calc(100% - 2rem)); margin: 0 auto; }
.topbar { display: flex; justify-content: space-between; gap: 1rem; align-items: center; padding: 1.25rem 0; }
.layout { display: grid; grid-template-columns: 12rem 1fr; gap: 1rem; padding-bottom: 2rem; }
.nav { display: grid; align-content: start; gap: 0.35rem; }
.nav button { text-align: left; background: transparent; border: 0; border-radius: 6px; padding: 0.55rem 0.7rem; font-weight: 650; }
.nav button.is-active { background: #e7eef6; color: var(--accent); }
.work { padding: 1rem 1.1rem 1.25rem; display: grid; gap: 1rem; }
.row { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.75rem; }
.stat { border: 1px solid var(--line); border-radius: 8px; padding: 0.8rem; }
.stat strong { display: block; font-size: 1.4rem; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { text-align: left; padding: 0.55rem 0.4rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-size: 0.78rem; font-weight: 700; }
.chip { display: inline-block; border-radius: 999px; padding: 0.1rem 0.5rem; font-size: 0.75rem; font-weight: 700; background: #eef2f6; }
.chip.ok { background: #e5f4ec; color: var(--ok); }
.chip.warn { background: #f8f1e3; color: #8a5a12; }
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.field { display: grid; gap: 0.3rem; }
.toolbar { display: flex; justify-content: space-between; gap: 0.75rem; align-items: center; }
.status { min-height: 1.2rem; color: var(--ok); font-size: 0.88rem; }

@media (max-width: 800px) {
  .layout, .pair, .stats { grid-template-columns: 1fr; }
  .topbar, .layout { width: min(100% - 1rem, 1120px); }
}