:root {
  --bg-canvas: #0B1220;
  --bg-surface: #111827;
  --bg-surface-high: #1E293B;
  --bg-topbar: #0F172A;
  --divider: #1E293B;
  --stroke: #243042;
  --text-primary: #F8FAFC;
  --text-secondary: #CBD5E1;
  --text-muted: #94A3B8;
  --accent: #38BDF8;
  --ok: #10B981;
  --warn: #F59E0B;
  --danger: #EF4444;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg-canvas);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: var(--bg-topbar);
  border-bottom: 1px solid var(--stroke);
}
.topbar .brand-group { display: flex; align-items: center; }
.topbar .brand-logo { height: 28px; width: auto; display: block; border-radius: 4px; margin-right: 14px; }
.topbar .brand { font-weight: 700; letter-spacing: 0.02em; color: var(--text-primary); }
.topbar nav { display: inline-block; margin-left: 24px; }
.topbar nav a { margin-right: 18px; color: var(--text-secondary); }
.topbar nav a:hover { color: var(--accent); text-decoration: none; }
.topbar .user { color: var(--text-muted); font-size: 13px; }
.topbar .user a { color: var(--text-muted); }
.topbar .user a:hover { color: var(--accent); text-decoration: none; }
.topbar .user form { display: inline; }
.topbar .user button { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 13px; padding: 0; margin-left: 10px; }
.topbar .user button:hover { color: var(--danger); }

.container { max-width: 1080px; margin: 0 auto; padding: 28px 24px 64px; }

h1 { font-size: 24px; margin: 0 0 20px; }
h2 { font-size: 17px; margin: 0 0 12px; color: var(--text-primary); }
h3 { font-size: 14px; margin: 0 0 10px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; }

.card {
  background: var(--bg-surface);
  border: 1px solid var(--stroke);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
}

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--divider); font-size: 14px; }
th { color: var(--text-muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; }
th a { color: inherit; text-decoration: none; }
th a:hover { color: var(--accent); text-decoration: none; }
tr:last-child td { border-bottom: none; }
td.actions { white-space: nowrap; text-align: right; }

.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.badge.ok { background: rgba(16,185,129,0.15); color: var(--ok); }
.badge.warn { background: rgba(245,158,11,0.15); color: var(--warn); }
.badge.danger { background: rgba(239,68,68,0.15); color: var(--danger); }
.badge.muted { background: rgba(148,163,184,0.15); color: var(--text-muted); }

input[type=text], input[type=email], input[type=password], input[type=tel], input[type=number], select {
  background: var(--bg-surface-high);
  border: 1px solid var(--stroke);
  color: var(--text-primary);
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 14px;
  width: 100%;
}
label { display: block; font-size: 12px; color: var(--text-muted); margin-bottom: 4px; margin-top: 10px; }
.field { margin-bottom: 8px; }
.row { display: flex; gap: 16px; flex-wrap: wrap; }
.row > .field { flex: 1; min-width: 160px; }

button, .btn {
  background: var(--accent);
  color: #06202E;
  border: none;
  border-radius: 6px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 14px;
  display: inline-block;
}
button:hover, .btn:hover { filter: brightness(1.1); text-decoration: none; }
button.secondary, .btn.secondary { background: var(--bg-surface-high); color: var(--text-primary); border: 1px solid var(--stroke); }
button.danger, .btn.danger { background: rgba(239,68,68,0.15); color: var(--danger); }
button.small { padding: 4px 10px; font-size: 12px; margin-top: 0; }
form.inline { display: inline; }

.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 18px; font-size: 14px; }
.flash.ok { background: rgba(16,185,129,0.12); color: var(--ok); border: 1px solid rgba(16,185,129,0.3); }
.flash.err { background: rgba(239,68,68,0.12); color: var(--danger); border: 1px solid rgba(239,68,68,0.3); }

.suggestion { padding: 10px 14px; border-radius: 8px; margin: 12px 0 4px; font-size: 13px; background: rgba(56,189,248,0.10); color: var(--text-primary); border: 1px solid rgba(56,189,248,0.3); display: flex; align-items: center; flex-wrap: wrap; gap: 6px; }

.muted { color: var(--text-muted); }
.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }

.login-wrap { display: flex; align-items: center; justify-content: center; min-height: 90vh; }
.login-box { width: 340px; max-width: 100%; }
.login-box h1 { text-align: center; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
/* Grid items default to min-width: auto, which lets a wide table inside
   stretch the column past the viewport instead of scrolling in .table-wrap. */
.grid-2 > * { min-width: 0; }
@media (max-width: 720px) { .grid-2 { grid-template-columns: 1fr; } }

.table-wrap { overflow-x: auto; }

/* Stat tiles — KPI numbers (e.g. "alueella nyt") */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin-bottom: 20px; }
.stat-tile { background: var(--bg-surface); border: 1px solid var(--stroke); border-radius: 10px; padding: 16px 18px; }
.stat-tile .stat-value { font-size: 38px; font-weight: 600; line-height: 1.1; color: var(--text-primary); }
.stat-tile .stat-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; margin-top: 6px; }
.stat-tile.accent .stat-value { color: var(--accent); }

/* Collapsible per-row panel (e.g. device rename/claim) — keeps the main
   table scannable while still exposing multi-field forms on demand. */
details.expand { border: 1px solid var(--stroke); border-radius: 8px; background: var(--bg-surface-high); }
details.expand summary { cursor: pointer; padding: 8px 12px; font-size: 13px; color: var(--text-secondary); list-style: none; }
details.expand summary::-webkit-details-marker { display: none; }
details.expand summary::before { content: "▸ "; color: var(--text-muted); }
details.expand[open] summary::before { content: "▾ "; }
details.expand[open] summary { border-bottom: 1px solid var(--stroke); }
details.expand summary:hover { color: var(--accent); }
.expand-body { padding: 16px; }

.pagination { display: flex; align-items: center; gap: 14px; margin-top: 14px; font-size: 13px; color: var(--text-muted); }

/* Phone widths: tighter gutters, wrapping top bar, 16px inputs (smaller
   makes iOS Safari zoom in on focus), and form fields one per line. */
@media (max-width: 600px) {
  .topbar { flex-wrap: wrap; gap: 8px 16px; padding: 12px 16px; }
  .topbar .brand-group { flex-wrap: wrap; row-gap: 8px; }
  .topbar nav { display: block; width: 100%; margin-left: 0; }
  .topbar .user { width: 100%; }
  .container { padding: 20px 16px 48px; }
  .card { padding: 16px; }
  .row { gap: 0 12px; }
  .row > .field { flex-basis: 100%; min-width: 0; }
  .section-header { flex-wrap: wrap; gap: 8px; }
  input[type=text], input[type=email], input[type=password], input[type=tel], input[type=number], select { font-size: 16px; }
  .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .stat-tile { padding: 12px 14px; }
  .stat-tile .stat-value { font-size: 30px; }
  .stat-tile .stat-label { hyphens: auto; overflow-wrap: anywhere; }
  code { overflow-wrap: anywhere; }
  td code { white-space: nowrap; }
}