:root {
  --bg: #0f1419;
  --panel: #1a222d;
  --border: #2a3544;
  --text: #e8eef6;
  --muted: #8b9bb0;
  --accent: #3d9cf0;
  --ok: #3ecf8e;
  --danger: #f07178;
  --warn: #e6c07b;
  --radius: 10px;
  --font: "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  background: radial-gradient(1200px 600px at 10% -10%, #1c2a3d 0%, var(--bg) 55%);
  color: var(--text);
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 1100px; margin: 0 auto; padding: 24px 18px 48px; }

.top {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; margin-bottom: 24px; flex-wrap: wrap;
}
.brand { font-size: 1.35rem; font-weight: 700; letter-spacing: .02em; }
.brand span { color: var(--accent); }
.muted { color: var(--muted); font-size: .9rem; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 18px;
}
.card h2 { margin: 0 0 14px; font-size: 1.05rem; }

.grid { display: grid; gap: 14px; }
@media (min-width: 760px) {
  .grid-2 { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr 1fr; }
}

label { display: block; font-size: .82rem; color: var(--muted); margin-bottom: 6px; }
input[type=text], input[type=password], input[type=number], select, textarea {
  width: 100%;
  background: #0d1218;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 10px 12px;
  font: inherit;
}
textarea { min-height: 72px; resize: vertical; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  border: 0; border-radius: 8px; padding: 10px 14px;
  font: inherit; font-weight: 600; cursor: pointer;
  background: var(--accent); color: #041018;
}
.btn.secondary { background: #2a3544; color: var(--text); }
.btn.danger { background: var(--danger); color: #1a0505; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }

table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; }
.badge {
  display: inline-block; padding: 3px 8px; border-radius: 999px;
  font-size: .75rem; font-weight: 700;
}
.badge.on { background: rgba(62,207,142,.15); color: var(--ok); }
.badge.off { background: rgba(240,113,120,.15); color: var(--danger); }

.flash {
  padding: 12px 14px; border-radius: 8px; margin-bottom: 16px;
  border: 1px solid var(--border);
}
.flash.ok { background: rgba(62,207,142,.12); border-color: rgba(62,207,142,.35); }
.flash.err { background: rgba(240,113,120,.12); border-color: rgba(240,113,120,.35); }

.login-box {
  max-width: 380px; margin: 12vh auto; padding: 28px;
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px;
}
.login-box h1 { margin: 0 0 6px; font-size: 1.4rem; }
.code {
  font-family: ui-monospace, Consolas, monospace;
  background: #0d1218; border: 1px solid var(--border);
  border-radius: 8px; padding: 10px 12px; font-size: .82rem;
  word-break: break-all; color: #b8d4f0;
}
url-chip { word-break: break-all; color: #9ec5ea; font-size: .85rem; }