:root {
  --bg: #f4f5f7; --card: #fff; --text: #1d2330; --muted: #6b7280; --line: #e4e7ec;
  --primary: #2453d6; --ok: #15803d; --warn: #b45309; --err: #b91c1c; --info: #0369a1;
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
code { background: #eef0f3; padding: 1px 5px; border-radius: 4px; font-size: 13px; }
h1 { font-size: 24px; margin: 8px 0 16px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
h2 { font-size: 17px; margin: 0 0 12px; }
h3 { font-size: 15px; margin: 18px 0 8px; }
.muted { color: var(--muted); }

header.top { display: flex; align-items: center; gap: 24px; padding: 12px 24px; background: #111827; color: #fff; }
header.top a { color: #d1d5db; }
header.top nav { display: flex; gap: 18px; flex: 1; }
header.top nav a:hover { color: #fff; }
.brand { font-weight: 700; }
.who { font-size: 14px; color: #9ca3af; }

main { max-width: 1150px; margin: 0 auto; padding: 24px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 18px 20px; margin-bottom: 18px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); gap: 18px; }
.grid > .card { margin-bottom: 0; }
.grid + .card, .grid + .grid { margin-top: 18px; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 9px 8px; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { font-size: 13px; color: var(--muted); font-weight: 600; }
tr:last-child td { border-bottom: none; }

label { display: block; margin-bottom: 12px; font-size: 14px; font-weight: 500; }
label.check { display: flex; gap: 8px; align-items: baseline; font-weight: 400; flex-wrap: wrap; }
input:not([type=checkbox]), select, textarea {
  display: block; width: 100%; margin-top: 4px; padding: 8px 10px; border: 1px solid #cfd4dc;
  border-radius: 6px; font: inherit; background: #fff;
}
input:focus, select:focus, textarea:focus { outline: 2px solid #c7d4fb; border-color: var(--primary); }
.row { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.row label { flex: 1; min-width: 140px; }
.row label.check { flex: 0 0 auto; margin-bottom: 20px; }
.row .btn { margin-bottom: 12px; }
form.inline { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
form.inline input, form.inline select { width: auto; flex: 1; margin: 0; min-width: 160px; }

.btn { display: inline-block; padding: 7px 14px; border: 1px solid #cfd4dc; border-radius: 6px; background: #fff;
  color: var(--text); font: inherit; font-size: 14px; cursor: pointer; }
.btn:hover { background: #f3f4f6; text-decoration: none; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: #1c44b3; }
.btn.danger { color: var(--err); border-color: #f3c2c2; }
.btn.danger:hover { background: #fdf0f0; }
.btn.small { padding: 3px 9px; font-size: 13px; }

.badge { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge.ok { background: #dcfce7; color: var(--ok); }
.badge.warn { background: #fef3c7; color: var(--warn); }
.badge.off { background: #e5e7eb; color: #4b5563; }
.badge.info { background: #e0f2fe; color: var(--info); }

.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; background: #dcfce7; color: #14532d; }
.flash.err { background: #fee2e2; color: #7f1d1d; }
.flash.info { background: #e0f2fe; color: #0c4a6e; }

.login-box { max-width: 380px; margin: 80px auto; }
.login-box h1 { justify-content: center; }
.login-box .btn { width: 100%; padding: 10px; }

dl.info { display: grid; grid-template-columns: 150px 1fr; gap: 6px 12px; margin: 0; font-size: 14px; }
dl.info dt { color: var(--muted); }
dl.info dd { margin: 0; word-break: break-all; }

ul.items { list-style: none; padding: 0; margin: 0 0 12px; display: flex; flex-wrap: wrap; gap: 6px; }
ul.items li { display: flex; align-items: center; gap: 4px; background: #eef2ff; border-radius: 6px; padding: 2px 4px 2px 10px; font-size: 14px; }
ul.items form { margin: 0; }
.x { border: none; background: none; color: #6b7280; font-size: 18px; line-height: 1; cursor: pointer; padding: 0 4px; }
.x:hover { color: var(--err); }

.days { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; margin-bottom: 12px; }
label.day { display: inline-flex; gap: 4px; align-items: center; border: 1px solid #cfd4dc; border-radius: 6px; padding: 5px 10px; margin: 0; font-weight: 400; cursor: pointer; }
.presets { margin-left: 8px; display: inline-flex; gap: 4px; }

.week { font-size: 12px; overflow-x: auto; }
.week .hours, .week .wrow { display: grid; grid-template-columns: 40px repeat(48, minmax(8px, 1fr)); gap: 1px; min-width: 520px; }
.week .hours span { color: var(--muted); }
.week .wrow { margin-bottom: 2px; }
.week .wday { color: var(--muted); }
.week i { height: 18px; background: #e8f5e9; border-radius: 2px; }
.week i.on { background: #ef4444; }

.danger-zone { border-color: #f3c2c2; }