:root {
  --bg: #0f1114; --panel: #17191e; --line: #262931; --text: #e6e8ec; --muted: #8a978e;
  --accent: #578dd9; --accent-ink: #080f1a; --warn: #e3b341; --off: #e5484d;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.5 -apple-system, "Segoe UI", "Malgun Gothic", sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, .mono { font-family: Consolas, "Courier New", monospace; font-size: 12.5px; }
h1 { font-size: 22px; margin: 0 0 16px; }
h2 { font-size: 16px; margin: 0 0 12px; }
.muted { color: var(--muted); font-weight: normal; }

.top { display: flex; align-items: center; gap: 24px; padding: 12px 24px; background: var(--panel); border-bottom: 1px solid var(--line); }
.top .brand { display: flex; align-items: center; gap: 8px; font-weight: 800; letter-spacing: .08em; color: var(--text); }
.top .brand span { color: var(--accent); }
.top .brand .mark { width: 22px; height: 22px; border-radius: 5px; }
.login-logo { display: block; width: 72px; height: 72px; margin: 0 auto 14px; border-radius: 16px; }
.top nav { display: flex; gap: 16px; flex: 1; }
.top nav a { color: var(--text); }
main { max-width: 1180px; margin: 0 auto; padding: 24px 16px 48px; }
main.narrow { max-width: 420px; padding-top: 64px; }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 20px; margin-bottom: 20px; }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 20px; }
.tile { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; color: var(--text); }
.tile b { display: block; font-size: 26px; }
.tile span { color: var(--muted); font-size: 13px; }
.tile.on b { color: var(--accent); }
.tile.warn b { color: var(--warn); }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: middle; white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: 12.5px; }
td.memo { white-space: normal; max-width: 220px; color: var(--muted); }
td.actions { text-align: right; }
td.actions > * { margin-left: 10px; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; border: 1px solid var(--line); }
.badge.on { color: var(--accent); border-color: var(--accent); }
.badge.off { color: var(--off); border-color: var(--off); }
.badge.warn { color: var(--warn); border-color: var(--warn); }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; }
.dot.on { background: var(--accent); }

.form label, .card form label { display: block; margin-bottom: 14px; }
input:not([type=checkbox]), select { display: block; width: 100%; margin-top: 4px; padding: 8px 10px; background: var(--bg); color: var(--text); border: 1px solid var(--line); border-radius: 6px; font: inherit; }
input:focus, select:focus { outline: none; border-color: var(--accent); }
input[type=date] { cursor: pointer; color-scheme: dark; }
input[type=date]::-webkit-calendar-picker-indicator { cursor: pointer; opacity: .85; }
label.check { display: flex; align-items: center; gap: 8px; }
label.check input { margin: 0; }
button, .button { display: inline-block; padding: 8px 14px; border: 1px solid var(--line); border-radius: 6px; background: var(--panel); color: var(--text); font: inherit; cursor: pointer; }
button.primary, .button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 700; }
button.link { padding: 0; border: 0; background: none; color: var(--accent); }
button.link.danger { color: var(--off); }
button.link:hover { text-decoration: underline; }
form.inline { display: inline; }
form.search { display: flex; gap: 8px; align-items: center; margin-bottom: 14px; }
form.search input { width: 260px; margin: 0; }
.row { display: flex; gap: 10px; align-items: center; }
.row-between { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; border: 1px solid var(--line); }
.flash.ok { border-color: var(--accent); }
.flash.error, .error { border-color: var(--off); color: var(--off); }
p.error { padding: 10px 14px; border: 1px solid var(--off); border-radius: 8px; }
@media (max-width: 720px) {
  .top { flex-wrap: wrap; gap: 12px; }
  table { display: block; overflow-x: auto; }
}