:root {
  --bg: #f4f5f8; --card: #fff; --text: #16171c; --muted: #6b6e78; --line: #e3e5ea;
  --accent: #ff5a5f; --accent-2: #7b5cff; --accent-text: #fff;
  --ok: #138a4b; --ok-bg: #e5f6ec; --warn: #9a6200; --warn-bg: #fff4dc; --bad: #c4262e; --bad-bg: #fde8e8;
  --pending: #7b5cff; --pending-bg: #efebff;
  --radius: 14px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0c10; --card: #16171d; --text: #f1f2f6; --muted: #9a9ca6; --line: #2a2c35;
    --ok: #4fd28b; --ok-bg: #12291d; --warn: #f2b84b; --warn-bg: #2d2412; --bad: #ff6b6b; --bad-bg: #331617;
    --pending: #a995ff; --pending-bg: #221c3d;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text);
       font: 16px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif; }
main { max-width: 760px; margin: 0 auto; padding: 16px; }
a { color: inherit; }
code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .9em; word-break: break-all; }
h1 { font-size: 24px; margin: 0; letter-spacing: -.3px; }
h2 { font-size: 17px; margin: 0 0 12px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.ok { color: var(--ok); } .bad { color: var(--bad); }

.top { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px;
       background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 2; }
.top nav { display: flex; gap: 16px; align-items: center; font-size: 15px; }
.top nav a { text-decoration: none; color: var(--muted); }
.brand { font-weight: 800; font-size: 20px; text-decoration: none; letter-spacing: -.5px; }
.brand span { font-weight: 500; color: var(--muted); margin-left: 2px; }
.brand.big { font-size: 40px; margin-bottom: 8px; }

.head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 4px 0 16px; flex-wrap: wrap; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin: 0 0 14px; }
.flash { background: var(--ok-bg); color: var(--ok); padding: 10px 14px; border-radius: 10px; margin: 0 0 14px; }
.alert { margin: 10px 0 0; padding: 8px 12px; border-radius: 10px; font-size: 14px; }
.alert.warn { background: var(--warn-bg); color: var(--warn); }
.alert.bad { background: var(--bad-bg); color: var(--bad); }
.error { color: var(--bad); }

.devices { list-style: none; margin: 0; padding: 0; }
.device { padding: 0; overflow: hidden; }
.device .row-link { display: block; padding: 14px 16px; text-decoration: none; }
.device .alert, .device .actions, .device > p { margin: 0 16px 12px; }
.device.pending { border: 2px solid var(--pending); background: linear-gradient(var(--pending-bg), var(--card) 70%); }
.device.warned:not(.pending) { border-color: var(--bad); }
.line1 { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.line1 .name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; flex: 1; }
.line2 { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 14px; margin-top: 6px; }
.code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-weight: 700; letter-spacing: 1px;
        background: var(--bg); border: 1px solid var(--line); padding: 2px 8px; border-radius: 8px; }
.device.pending .code { font-size: 20px; color: var(--pending); border-color: var(--pending); }

.badge { font-size: 12px; font-weight: 700; padding: 3px 9px; border-radius: 99px; text-transform: uppercase; letter-spacing: .4px; }
.badge.active { background: var(--ok-bg); color: var(--ok); }
.badge.pending { background: var(--pending-bg); color: var(--pending); }
.badge.disabled { background: var(--bg); color: var(--muted); border: 1px solid var(--line); }
.badge.expired { background: var(--bad-bg); color: var(--bad); }

.facts { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 14px 0 0; font-size: 15px; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }

.actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.actions + .actions { margin-top: 10px; }
form.inline { display: inline; margin: 0; }
.stack { display: flex; flex-direction: column; gap: 10px; }
.stack + .stack { margin-top: 14px; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.grid .span { grid-column: 1 / -1; }
@media (max-width: 560px) { .grid { grid-template-columns: 1fr; } }
label { display: flex; flex-direction: column; gap: 4px; font-size: 14px; font-weight: 600; }
.row { display: flex; gap: 8px; }
.row input { flex: 1; min-width: 0; }

input, select, textarea, button, .btn {
  font: inherit; font-size: 16px; color: var(--text); background: var(--card);
  border: 1px solid var(--line); border-radius: 10px; padding: 9px 12px; min-height: 42px;
}
textarea { resize: vertical; width: 100%; font-weight: 400; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent-2); outline-offset: -1px; }
button, .btn { cursor: pointer; font-weight: 600; background: var(--bg); text-decoration: none;
               display: inline-flex; align-items: center; justify-content: center; }
button:hover, .btn:hover { filter: brightness(.97); }
.primary { background: linear-gradient(90deg, var(--accent), var(--accent-2)); color: var(--accent-text); border: 0; }
.danger { color: var(--bad); border-color: var(--bad); background: transparent; }
button.link { background: none; border: 0; padding: 0; min-height: 0; color: var(--muted); font-weight: 400; text-decoration: underline; }
.btn.small { min-height: 34px; padding: 5px 12px; font-size: 14px; }

.ips { width: 100%; border-collapse: collapse; font-size: 14px; }
.ips th, .ips td { text-align: left; padding: 6px 4px; border-bottom: 1px solid var(--line); }
.ips th { color: var(--muted); font-weight: 600; }

.login { max-width: 360px; margin: 12vh auto 0; display: flex; flex-direction: column; gap: 14px; }
.empty p { margin: 0 0 8px; }
.foot { text-align: center; margin-top: 20px; }

body.download { background: #06070b; color: #f6f7fb; }
body.download main { max-width: 560px; padding: 12vh 24px; }
body.download .muted { color: #9a9ca6; }
.btn.huge { display: flex; margin: 12px 0; padding: 18px 22px; font-size: 20px; border-radius: 18px; border: 0;
            background: #1a1c24; color: #fff; }
.btn.huge.primary { background: linear-gradient(90deg, #ffb547, #ff6a55, #ff3d8b, #7b5cff); }