:root {
  --bg: #f5f7fb; --card: #fff; --text: #0f172a; --muted: #64748b; --line: #e2e8f0;
  --accent: #2563eb; --ok: #16a34a; --warn: #d97706; --err: #dc2626; --nav: #0f172a;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0b1120; --card: #111827; --text: #e5e7eb; --muted: #94a3b8; --line: #1f2937; --nav: #020617; }
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif; background: var(--bg); color: var(--text); }
.hidden { display: none !important; }
.muted { color: var(--muted); }
h2 { margin: 0 0 16px; } h2 small { color: var(--muted); font-weight: 400; font-size: 15px; }
h3 { margin: 24px 0 10px; }

.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login form { width: min(360px, 100%); display: flex; flex-direction: column; gap: 12px; }
.login h1 { margin: 0; }

#app { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
nav { background: var(--nav); color: #cbd5e1; padding: 20px 12px; display: flex; flex-direction: column; gap: 2px; position: sticky; top: 0; height: 100vh; }
nav .logo { color: #fff; font-weight: 800; font-size: 20px; padding: 0 10px 18px; }
nav .logo span { color: #60a5fa; font-weight: 400; margin-left: 4px; }
nav a { color: inherit; text-decoration: none; padding: 9px 10px; border-radius: 8px; }
nav a.active, nav a:hover { background: #1e293b; color: #fff; }
nav .me { margin-top: auto; padding: 10px; font-size: 13px; display: flex; flex-direction: column; gap: 6px; }
main { padding: 28px; max-width: 1200px; width: 100%; }
main > section { display: none; } main > section.active { display: block; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px; margin: 12px 0; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; align-items: end; }
.form-grid h3, .form-grid .wide { grid-column: 1 / -1; margin: 0; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
label.check { flex-direction: row; align-items: center; gap: 8px; color: var(--text); }
input, select { font: inherit; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--text); }
button { font: inherit; padding: 9px 14px; border: 0; border-radius: 8px; background: var(--accent); color: #fff; cursor: pointer; }
button.small { padding: 4px 10px; font-size: 13px; }
button.secondary { background: transparent; color: var(--accent); border: 1px solid var(--line); }
button.link { background: none; color: #93c5fd; padding: 0; text-align: left; }
.toolbar { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }

table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; font-size: 14px; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
td.num { text-align: right; font-variant-numeric: tabular-nums; }

.stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; margin-bottom: 8px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.stat b { display: block; font-size: 24px; font-variant-numeric: tabular-nums; }
.stat span { color: var(--muted); font-size: 13px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 99px; font-size: 12px; font-weight: 600; }
.b-ok { background: rgba(22,163,74,.14); color: var(--ok); }
.b-warn { background: rgba(217,119,6,.15); color: var(--warn); }
.b-err { background: rgba(220,38,38,.14); color: var(--err); }
.b-info { background: rgba(37,99,235,.12); color: var(--accent); }
.error { color: var(--err); min-height: 1em; margin: 0; }
#toast { position: fixed; right: 16px; bottom: 16px; background: #0f172a; color: #fff; padding: 10px 16px; border-radius: 10px; opacity: 0; transition: opacity .2s; pointer-events: none; }
#toast.show { opacity: 1; }

@media (max-width: 800px) {
  #app { grid-template-columns: 1fr; }
  nav { position: static; height: auto; flex-direction: row; flex-wrap: wrap; }
  nav .me { margin: 0; flex-direction: row; }
  main { padding: 16px; }
  table { display: block; overflow-x: auto; }
}
.mt0 { margin-top: 0; }