:root {
  --bg: #f4f5f7;
  --card: #fff;
  --text: #111;
  --muted: #4b5563;
  --green: #16a34a;
  --blue: #2563eb;
  --shadow: 0 10px 28px rgba(17,17,17,.08);
}
* { box-sizing: border-box; }
body { margin: 0; font-family: "Ubuntu", sans-serif; background: var(--bg); color: var(--text); }
.wrap { max-width: 1100px; margin: 0 auto; padding: 16px; }
.card { background: var(--card); border-radius: 16px; box-shadow: var(--shadow); padding: 18px; margin-bottom: 16px; }
.btn { border: 0; border-radius: 12px; padding: 10px 14px; font-weight: 700; cursor: pointer; }
.btn-blue { background: var(--blue); color: #fff; }
.btn-green { background: var(--green); color: #fff; }
.btn-black { background: #111; color: #fff; }
.btn-ghost { background: #fff; border: 1px solid #e5e7eb; }
input, select { width: 100%; padding: 10px 12px; border-radius: 12px; border: 1px solid #e5e7eb; font-size: 16px; }
label { display: block; margin: 8px 0 6px; font-weight: 600; font-size: 13px; }
.muted { color: var(--muted); }
.row { display: flex; gap: 8px; flex-wrap: wrap; }
.item { display: flex; justify-content: space-between; gap: 8px; padding: 10px; background: #f9fafb; border-radius: 12px; margin: 8px 0; align-items: center; }
.error { background: #fef2f2; color: #991b1b; padding: 10px; border-radius: 12px; }
.loader { position: fixed; inset: 0; background: rgba(244,245,247,.7); display: flex; align-items: center; justify-content: center; }
.loader-card { background: #fff; border-radius: 16px; box-shadow: var(--shadow); padding: 22px; width: min(340px, 90vw); text-align: center; }
.bar { height: 10px; background: #e5e7eb; border-radius: 99px; overflow: hidden; }
.bar > div { height: 100%; width: 0; background: linear-gradient(90deg, var(--green), var(--blue)); }
.hidden { display: none !important; }
.auth { max-width: 400px; margin: 48px auto; }
.nav { display: flex; gap: 8px; flex-wrap: wrap; margin: 12px 0 16px; }
.nav button { flex: 1; min-width: 110px; }
.nav button.active { outline: 2px solid var(--blue); }
.meters { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 18px; }
.meter-head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; margin-bottom: 8px; }
.meter-head span { font-weight: 700; }
.meter { height: 12px; background: #e5e7eb; border-radius: 99px; overflow: hidden; margin-bottom: 8px; }
.meter > i { display: block; height: 100%; width: 0; border-radius: 99px; background: var(--blue); transition: width .25s; }
.meter.ram > i { background: var(--green); }
.meter.disk > i { background: #111; }
.meter.high > i { background: #dc2626; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.ctor-form { display: grid; grid-template-columns: 2fr 1.2fr 1fr 90px 90px auto; gap: 8px; align-items: end; }
.ctor-form label { margin-top: 0; }
.res-fields { display: grid; grid-template-columns: 2fr 140px 90px 90px; gap: 8px; flex: 1; min-width: 0; }
.check { display: flex; align-items: center; gap: 10px; font-weight: 600; cursor: pointer; margin: 14px 0 6px; font-size: 15px; }
.check input { width: 20px; height: 20px; margin: 0; flex: 0 0 20px; accent-color: var(--blue); }
@media (max-width: 960px) {
  .grid, .meters { grid-template-columns: 1fr; }
  .ctor-form, .res-fields { grid-template-columns: 1fr; }
  .wrap { padding-bottom: 88px; }
  .nav {
    position: sticky; bottom: 0; background: #fff; box-shadow: 0 -8px 24px rgba(17,17,17,.08);
    margin: 0 -16px; padding: 10px 12px; z-index: 20; border-radius: 16px 16px 0 0;
  }
}