:root {
    --bg: #eef2f7;
    --card: #ffffff;
    --text: #1d2939;
    --muted: #5b6577;
    --border: #d5dce6;
    --primary: #1f5fbf;
    --danger: #c23b3b;
    --ok: #1f8a4c;
    color-scheme: light;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 14px/1.5 "Segoe UI", system-ui, -apple-system, sans-serif;
}

.top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 24px;
    background: var(--primary);
    color: #fff;
}
.brand { font-weight: 700; font-size: 16px; }
.brand span { font-weight: 400; opacity: .85; }
.top .btn.ghost { color: #fff; border-color: rgba(255, 255, 255, .5); background: transparent; }

main { max-width: 1200px; margin: 24px auto; padding: 0 16px; }

h1 { margin: 0 0 4px; font-size: 22px; }
h2 { margin: 0 0 4px; font-size: 16px; }
.muted { color: var(--muted); margin: 0 0 12px; }
.small { font-size: 12px; }
.center { text-align: center; }
.mono { font-family: Consolas, "Cascadia Mono", monospace; }

.head { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 16px; }

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 16px;
    overflow-x: auto;
}
.card.narrow { max-width: 380px; margin: 60px auto; }
.card.narrow form { display: grid; gap: 12px; }

label { display: grid; gap: 4px; font-weight: 600; font-size: 12px; color: var(--muted); }
input {
    height: 34px;
    padding: 0 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font: inherit;
    color: var(--text);
    min-width: 220px;
}
input:focus { outline: 2px solid rgba(31, 95, 191, .25); border-color: var(--primary); }

.row { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }

.btn {
    height: 32px;
    padding: 0 14px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: #f6f8fb;
    color: var(--text);
    font: inherit;
    font-weight: 600;
    cursor: pointer;
}
.btn:hover { filter: brightness(.97); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.danger { background: #fff; border-color: #e3b4b4; color: var(--danger); }
.btn.ghost { background: #fff; }

table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px 8px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: middle; }
th { font-size: 12px; color: var(--muted); font-weight: 600; background: #f6f8fb; }
tr.disabled td { opacity: .55; }
.actions { display: flex; gap: 6px; justify-content: flex-end; }
.actions form { margin: 0; }
a { color: var(--primary); }

.pill { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.pill.on { background: #dcf2e4; color: var(--ok); }
.pill.idle { background: #eef1f5; color: var(--muted); }
.pill.off { background: #f8e1e1; color: var(--danger); }

.flash { padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; font-weight: 600; }
.flash.ok { background: #dcf2e4; color: var(--ok); }
.flash.error { background: #f8e1e1; color: var(--danger); }