:root {
  --bg: #0b1220;
  --bg-soft: #131f34;
  --panel: #16253d;
  --line: #2a3f62;
  --text: #eaf2ff;
  --muted: #9cb0d0;
  --accent: #46d3c4;
  --accent-2: #1ea5ff;
  --danger: #ff7670;
  --ok: #4ee28c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(900px 500px at -5% -10%, #254878 0%, transparent 60%),
    radial-gradient(900px 500px at 110% -5%, #1d614f 0%, transparent 55%),
    linear-gradient(180deg, #091120 0%, var(--bg) 55%, #0d1626 100%);
  font-family: "Manrope", "Segoe UI", sans-serif;
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(9, 16, 30, 0.82);
  backdrop-filter: blur(12px);
}

.brand-title {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.3px;
}

.brand-sub {
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}

.topbar nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.topbar nav a {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--muted);
  font-size: 13px;
  transition: all .15s ease;
}

.topbar nav a:hover {
  color: var(--text);
  border-color: rgba(70, 211, 196, 0.7);
  background: rgba(70, 211, 196, 0.12);
}

.container {
  max-width: 1220px;
  margin: 24px auto 46px;
  padding: 0 16px;
}

.page-title {
  margin: 0 0 4px;
  font-size: 28px;
  line-height: 1.15;
}

.page-subtitle {
  margin: 0 0 18px;
  color: var(--muted);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 14px;
}

.card {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(21, 35, 58, 0.95), rgba(14, 25, 42, 0.95));
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.22);
  padding: 14px;
  margin-bottom: 12px;
}

.card h2, .card h3 {
  margin: 0 0 10px;
}

.metric {
  font-size: 34px;
  font-weight: 800;
  line-height: 1;
}

.mono {
  font-family: "JetBrains Mono", "SF Mono", Menlo, monospace;
  font-size: 12px;
}

.muted {
  color: var(--muted);
}

.grid-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 10px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
}

input {
  width: 100%;
  min-height: 41px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #0f1b31;
  color: var(--text);
  padding: 10px;
}

input:focus {
  outline: none;
  border-color: rgba(70, 211, 196, 0.9);
  box-shadow: 0 0 0 2px rgba(70, 211, 196, 0.22);
}

button {
  min-height: 41px;
  border: 0;
  border-radius: 10px;
  padding: 10px 14px;
  color: #062633;
  font-weight: 800;
  cursor: pointer;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
}

button:hover {
  filter: brightness(1.06);
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
}

th, td {
  padding: 10px;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  vertical-align: top;
}

th {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.02);
}

tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  border-radius: 999px;
  font-size: 12px;
  border: 1px solid;
}

.badge-ok {
  color: #b9ffd4;
  border-color: rgba(78, 226, 140, 0.5);
  background: rgba(78, 226, 140, 0.15);
}

.badge-off {
  color: #ffd0cc;
  border-color: rgba(255, 118, 112, 0.5);
  background: rgba(255, 118, 112, 0.15);
}

.tip {
  margin: 4px 0;
  color: var(--muted);
}

.login-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 14px;
}

.login-card {
  width: min(92vw, 430px);
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(20, 34, 58, 0.95), rgba(13, 24, 40, 0.95));
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.3);
  padding: 22px;
}

.login-card h1 {
  margin: 0;
}

.login-card p {
  margin: 4px 0 12px;
  color: var(--muted);
}

.login-card form {
  display: grid;
  gap: 10px;
}

.error {
  color: var(--danger);
  margin-bottom: 8px;
}

@media (max-width: 780px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }
  .page-title {
    font-size: 24px;
  }
}