:root {
  --bg: #f4f5fb; --card: #ffffff; --ink: #14151a; --muted: #6b7280;
  --line: #e4e4ee; --accent: #4f46e5; --accent-ink: #ffffff;
  --good: #16a34a; --warn: #d97706; --danger: #dc2626;
  --radius: 12px; --font: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0c0e13; --card: #16181f; --ink: #e7e8ee; --muted: #9aa0ac;
          --line: #262a33; --accent: #818cf8; --accent-ink: #0b1020; }
}
* { box-sizing: border-box; }
body { margin: 0; font-family: var(--font); background: var(--bg); color: var(--ink);
  -webkit-font-smoothing: antialiased; }
.hidden { display: none !important; }
.grow { flex: 1; }
.muted { color: var(--muted); font-size: 13px; }
.err { color: var(--danger); font-size: 13px; margin-top: 8px; min-height: 16px; }
.danger { color: var(--danger); }
a, button { font-family: inherit; }

/* buttons */
.btn { border: 1px solid var(--line); background: var(--card); color: var(--ink);
  padding: 8px 14px; border-radius: 9px; font-size: 13px; font-weight: 600; cursor: pointer;
  transition: filter .15s, background .15s; }
.btn:hover { filter: brightness(0.97); }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: transparent; }
.btn.ghost { background: transparent; }
.btn.danger { background: var(--danger); color: #fff; border-color: transparent; }
.btn.sm { padding: 4px 9px; font-size: 12px; }

/* login */
.login { min-height: 100vh; display: grid; place-items: center;
  background: radial-gradient(900px 500px at 70% -10%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 60%), var(--bg); }
.login-card { background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  padding: 30px; width: 340px; display: flex; flex-direction: column; gap: 12px;
  box-shadow: 0 20px 50px rgba(0,0,0,.12); }
.login-card label, .form label { display: flex; flex-direction: column; gap: 5px; font-size: 12px;
  font-weight: 600; color: var(--muted); }
.login-card input, .form input, .form select {
  padding: 9px 11px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg);
  color: var(--ink); font-size: 14px; font-family: inherit; }
.brand { display: flex; align-items: center; gap: 9px; font-size: 15px; }
.logo { width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center;
  background: linear-gradient(140deg, var(--accent), #7c3aed); color: #fff; font-weight: 800; }

/* app shell */
.topbar { display: flex; align-items: center; gap: 12px; padding: 12px 22px;
  background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.tabs { display: flex; gap: 4px; padding: 10px 22px 0; background: var(--card);
  border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.tab { border: none; background: transparent; color: var(--muted); padding: 9px 14px;
  border-radius: 8px 8px 0 0; font-weight: 600; font-size: 13px; cursor: pointer; }
.tab.active { color: var(--accent); box-shadow: inset 0 -2px 0 var(--accent); }
main { padding: 22px; max-width: 1100px; margin: 0 auto; }
.panel { animation: fade .2s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(4px);} to { opacity: 1; } }
.row { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
h2 { font-size: 18px; margin: 0; } h3 { font-size: 15px; }
.chk { font-size: 13px; color: var(--muted); display: flex; align-items: center; gap: 6px; }
hr { border: none; border-top: 1px solid var(--line); margin: 22px 0; }

/* pill */
.pill { font-size: 12px; font-weight: 700; padding: 5px 11px; border-radius: 999px;
  background: color-mix(in srgb, var(--muted) 18%, transparent); color: var(--muted); }
.pill.ok { background: color-mix(in srgb, var(--good) 20%, transparent); color: var(--good); }
.pill.bad { background: color-mix(in srgb, var(--danger) 20%, transparent); color: var(--danger); }

/* stat cards */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px,1fr)); gap: 14px; }
.stat { background: var(--card); border: 1px solid var(--line); border-top: 3px solid var(--accent);
  border-radius: var(--radius); padding: 16px 18px; }
.stat .v { font-size: 28px; font-weight: 700; }
.stat .k { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; font-weight: 600; }

/* tables */
table { width: 100%; border-collapse: collapse; background: var(--card);
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; font-size: 13px; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); }
th { background: color-mix(in srgb, var(--ink) 4%, transparent); font-size: 11px; text-transform: uppercase;
  letter-spacing: .05em; color: var(--muted); }
tr:last-child td { border-bottom: none; }
.mono { font-family: ui-monospace, "JetBrains Mono", monospace; }
.tag { font-size: 11px; padding: 2px 8px; border-radius: 999px; font-weight: 700; }
.tag.on { background: color-mix(in srgb, var(--good) 18%, transparent); color: var(--good); }
.tag.off { background: color-mix(in srgb, var(--muted) 16%, transparent); color: var(--muted); }
.form { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; max-width: 620px; }
.form .row { grid-column: 1 / -1; }

/* modal */
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.45); display: grid; place-items: center; z-index: 20; }
.modal .box { background: var(--card); border-radius: 14px; padding: 24px; width: 380px;
  display: flex; flex-direction: column; gap: 12px; }

/* point catalog search + pager */
.search { padding: 7px 11px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--bg); color: var(--ink); font-size: 13px; font-family: inherit; min-width: 210px; }
.pager { margin-top: 12px; }
.btn:disabled { opacity: 0.45; cursor: default; }