:root {
  --bg: #0f172a;
  --panel: #111827;
  --card: #1f2937;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #22d3ee;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.app {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: #0b1220;
  padding: 24px 16px;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}
.logo {
  font-weight: 700;
  font-size: 20px;
  margin-bottom: 20px;
}
.sidebar nav button {
  width: 100%;
  padding: 12px 14px;
  margin-bottom: 10px;
  border: none;
  background: transparent;
  color: var(--text);
  text-align: left;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s;
}
.sidebar nav button.active,
.sidebar nav button:hover {
  background: rgba(34, 211, 238, 0.15);
  color: #fff;
}

main {
  padding: 24px 28px;
}

h1 {
  margin-top: 0;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}
.card {
  background: var(--card);
  padding: 14px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}
.card .label {
  color: var(--muted);
  font-size: 13px;
}
.card .value {
  font-size: 26px;
  margin-top: 6px;
  font-weight: 700;
}

.panel {
  background: var(--panel);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 12px 16px 18px;
}
.panel-header {
  font-weight: 600;
  margin-bottom: 12px;
}

.view {
  display: none;
}
.view.active {
  display: block;
}

.table-wrapper {
  overflow-x: auto;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
th,
td {
  padding: 10px 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
th {
  text-align: left;
  color: var(--muted);
  font-weight: 600;
}
tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}
.status-pill {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 12px;
  color: #0b1220;
}
.status-pill.ok {
  background: #22d3ee;
}
.status-pill.err {
  background: #f97316;
}

form {
  display: grid;
  gap: 12px;
  max-width: 420px;
}
.form-row {
  display: grid;
  gap: 6px;
}
label {
  color: var(--muted);
  font-size: 13px;
}
input {
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: #0f172a;
  color: var(--text);
}
button[type="submit"],
.btn {
  padding: 10px 14px;
  border-radius: 8px;
  border: none;
  background: var(--accent);
  color: #0b1220;
  font-weight: 700;
  cursor: pointer;
}
.form-msg {
  font-size: 13px;
  color: #22d3ee;
}