:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #eef3f1;
  --border: #d9e0df;
  --text: #18211f;
  --muted: #64706d;
  --accent: #147d64;
  --accent-2: #256d9b;
  --danger: #b42318;
  --warning: #946200;
  --shadow: 0 12px 32px rgba(24, 33, 31, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
  line-height: 1.45;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  min-height: 36px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  padding: 0 12px;
}

button.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
}

button.subtle {
  background: var(--surface-2);
}

button.danger {
  border-color: #f0c5c0;
  color: var(--danger);
}

button.icon {
  width: 36px;
  padding: 0;
  font-size: 18px;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

input,
select,
textarea {
  width: 100%;
  min-height: 36px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: #ffffff;
  color: var(--text);
  padding: 8px 10px;
}

textarea {
  min-height: 112px;
  resize: vertical;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 12px;
}

label {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-weight: 600;
}

.app-shell {
  min-height: 100vh;
}

.login {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 24px;
}

.login form {
  width: min(420px, 100%);
  display: grid;
  gap: 16px;
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.login h1,
.view h2 {
  margin: 0;
  font-size: 22px;
  letter-spacing: 0;
}

.layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  border-right: 1px solid var(--border);
  background: #ffffff;
  padding: 20px 16px;
}

.brand {
  display: grid;
  gap: 4px;
  margin-bottom: 24px;
}

.brand strong {
  font-size: 18px;
}

.brand span,
.muted {
  color: var(--muted);
}

.nav {
  display: grid;
  gap: 6px;
}

.nav button {
  justify-content: flex-start;
  text-align: left;
  border-color: transparent;
  background: transparent;
}

.nav button.active {
  background: var(--surface-2);
  border-color: var(--border);
}

.content {
  min-width: 0;
  padding: 24px;
}

.topbar,
.view-header,
.row-actions,
.form-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.topbar,
.view-header {
  justify-content: space-between;
}

.topbar {
  margin-bottom: 18px;
}

.view {
  display: grid;
  gap: 16px;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 6px 18px rgba(24, 33, 31, 0.04);
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}

.panel-body {
  padding: 16px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(160px, 1fr));
  gap: 12px;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(180px, 1fr));
}

.table-wrap {
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

th,
td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: middle;
}

th {
  background: #fafbfb;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.status {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border-radius: 999px;
  padding: 0 9px;
  font-size: 12px;
  font-weight: 700;
  background: var(--surface-2);
}

.status.ok {
  color: var(--accent);
}

.status.warn {
  color: var(--warning);
}

.status.off {
  color: var(--danger);
}

.notice {
  padding: 12px 14px;
  border: 1px solid #b8d9cf;
  background: #eaf6f1;
  border-radius: 8px;
  display: grid;
  gap: 8px;
}

.notice code {
  overflow-wrap: anywhere;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.error {
  color: var(--danger);
  font-weight: 700;
}

@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .nav {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .grid,
  .grid.two {
    grid-template-columns: 1fr;
  }

  .content {
    padding: 16px;
  }
}