:root {
    --bg: #f5f7fb; --panel: #ffffff; --panel2: #eef2f8; --text: #111827; --dim: #5b6576; --line: #dde3ec;
    --accent: #2f6bff; --accent-text: #ffffff; --good: #138a4b; --warn: #b26b00; --bad: #c62f3a; --focus: #2f6bff;
    color-scheme: light;
}
@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0d1117; --panel: #151a22; --panel2: #1b2230; --text: #e8eaed; --dim: #9aa4b2; --line: #263042;
        --accent: #3d7bff; --accent-text: #ffffff; --good: #3ccf86; --warn: #f5c542; --bad: #ff6b6b; --focus: #85b8ff;
        color-scheme: dark;
    }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.boot { padding: 48px; color: var(--dim); }

/* Layout */
.shell { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.side { background: var(--panel); border-right: 1px solid var(--line); padding: 18px 12px; position: sticky; top: 0; height: 100vh; overflow: auto; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; padding: 4px 10px 18px; }
.brand img { width: 30px; height: 30px; }
.brand b { color: var(--accent); }
.nav a { display: block; padding: 9px 12px; border-radius: 8px; color: var(--text); text-decoration: none; margin-bottom: 2px; }
.nav a:hover { background: var(--panel2); }
.nav a.on { background: var(--accent); color: var(--accent-text); }
.who { margin-top: 18px; padding: 12px; border-top: 1px solid var(--line); color: var(--dim); font-size: 13px; word-break: break-all; }
.main { padding: 28px 32px 60px; max-width: 1200px; width: 100%; }
h1 { font-size: 24px; margin: 0 0 4px; }
.sub { color: var(--dim); margin: 0 0 22px; }
h2 { font-size: 17px; margin: 0 0 12px; }

.btn.menu-btn { display: none; }
@media (max-width: 820px) {
    .shell { grid-template-columns: 1fr; }
    .side { position: static; height: auto; display: none; }
    .side.open { display: block; }
    .btn.menu-btn { display: inline-flex; margin: 12px 16px 0; justify-self: start; }
    .main { padding: 16px; }
}

/* Pieces */
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px; margin-bottom: 16px; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.stat .k { color: var(--dim); font-size: 13px; }
.stat .v { font-size: 26px; font-weight: 700; font-variant-numeric: tabular-nums; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.grow { flex: 1; min-width: 200px; }
.btn { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); background: var(--panel2); padding: 8px 14px; border-radius: 8px; cursor: pointer; text-decoration: none; color: var(--text); }
.btn:hover { filter: brightness(1.05); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn.danger { background: transparent; color: var(--bad); border-color: var(--bad); }
.btn.small { padding: 4px 10px; font-size: 13px; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
input, select, textarea { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; width: 100%; }
label { display: block; font-size: 13px; color: var(--dim); margin: 10px 0 4px; }
.err { color: var(--bad); margin-top: 8px; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--dim); font-weight: 600; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.table-wrap { overflow-x: auto; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
.pill { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; background: var(--panel2); }
.pill.active, .pill.approved { color: var(--good); }
.pill.expired, .pill.pending { color: var(--warn); }
.pill.revoked, .pill.suspended, .pill.rejected { color: var(--bad); }
.plus { color: var(--good); } .minus { color: var(--bad); }
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
.plan { border: 2px solid var(--line); border-radius: 12px; padding: 14px; cursor: pointer; background: var(--panel); text-align: left; }
.plan.sel { border-color: var(--accent); }
.plan .price { font-size: 22px; font-weight: 700; }
.empty { color: var(--dim); padding: 18px 0; }
.pager { display: flex; gap: 8px; align-items: center; justify-content: flex-end; margin-top: 10px; color: var(--dim); }
.bars { display: grid; gap: 6px; }
.bar { display: grid; grid-template-columns: 80px 1fr 60px; gap: 10px; align-items: center; font-size: 13px; }
.bar i { display: block; height: 14px; border-radius: 4px; background: var(--accent); }
.result { border-left: 4px solid var(--good); }

dialog { border: 1px solid var(--line); border-radius: 14px; background: var(--panel); color: var(--text); padding: 22px; max-width: 460px; width: calc(100% - 32px); }
dialog::backdrop { background: rgba(0, 0, 0, .5); }
#toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 8px; opacity: 0; pointer-events: none; transition: opacity .2s; }
#toast.show { opacity: 1; }

.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login .card { width: 100%; max-width: 380px; }

/* Sign-in extras, two-factor set-up, account notices */
.login .card:has(.steps), .login .card[style*="max-width:520px"] { max-width: 520px; }
.links a { margin-right: 6px; }
.notice { background: color-mix(in srgb, var(--warn) 12%, var(--panel)); border-color: var(--warn); }
p.notice { padding: 10px 12px; border: 1px solid var(--warn); border-radius: 8px; }
.steps { padding-left: 20px; }
.steps li { margin-bottom: 14px; }
.qr { display: block; margin: 10px 0; background: #fff; padding: 6px; border-radius: 8px; width: 220px; height: 220px; }
.key { display: inline-block; margin-top: 6px; padding: 6px 8px; background: var(--panel2); border-radius: 6px; word-break: break-all; }
.codes { background: var(--panel2); padding: 12px 14px; border-radius: 8px; font: 15px/1.7 ui-monospace, SFMono-Regular, Menlo, monospace; margin: 10px 0 14px; }
summary { cursor: pointer; color: var(--dim); font-size: 13px; margin-top: 6px; }

/* Per-customer settings sheet in the device list */
td.actions { white-space: nowrap; }
.sheet { display: grid; gap: 6px; margin-top: 8px; }
.sheet .btn { justify-content: flex-start; }
.note { margin: 2px 0 0; font-size: 12px; max-width: 260px; white-space: normal; }
textarea { resize: vertical; }