:root {
  color-scheme: light;
  --bg: #f5f7f8;
  --panel: #ffffff;
  --ink: #15201d;
  --muted: #62706c;
  --line: #dce4e1;
  --brand: #0f766e;
  --brand-dark: #115e59;
  --good: #138a36;
  --warn: #a15c00;
  --bad: #b42318;
  --shadow: 0 8px 24px rgba(17, 24, 39, 0.08);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
}

.topbar {
  display: grid;
  grid-template-columns: minmax(180px, 0.8fr) minmax(320px, 1.8fr);
  gap: 24px;
  align-items: end;
  padding: 24px clamp(16px, 4vw, 48px);
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 34px;
  line-height: 1;
  letter-spacing: 0;
}

.topbar p,
.muted,
.label,
.toolbar p {
  color: var(--muted);
}

.settings {
  display: grid;
  grid-template-columns: minmax(220px, 1.5fr) minmax(120px, 0.7fr) minmax(140px, 0.7fr) minmax(150px, 0.7fr) auto auto;
  gap: 12px;
  align-items: end;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
}

input,
button {
  min-height: 40px;
  border-radius: 6px;
  font: inherit;
}

input {
  width: 100%;
  border: 1px solid var(--line);
  padding: 8px 10px;
  background: #fbfcfc;
  color: var(--ink);
}

button {
  border: 0;
  padding: 0 16px;
  background: var(--brand);
  color: white;
  font-weight: 750;
  cursor: pointer;
}

button:hover {
  background: var(--brand-dark);
}

main {
  padding: 24px clamp(16px, 4vw, 48px) 48px;
}

.summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(130px, 1fr));
  gap: 12px;
}

.summary div,
.server-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.summary div {
  display: grid;
  gap: 4px;
  padding: 16px;
}

.summary strong {
  font-size: 28px;
  line-height: 1.1;
}

.toolbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin: 24px 0 14px;
}

.tabs {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  background: #e9efed;
  border-radius: 8px;
}

.tab {
  min-height: 34px;
  color: var(--ink);
  background: transparent;
}

.tab.active {
  background: var(--panel);
  box-shadow: 0 1px 5px rgba(15, 23, 42, 0.12);
}

.server-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 16px;
}

.server-card {
  padding: 16px;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

h2 {
  font-size: 18px;
  line-height: 1.25;
}

.hostname {
  margin-top: 4px;
  font-size: 13px;
  overflow-wrap: anywhere;
}

.badge {
  min-width: 80px;
  padding: 5px 8px;
  border-radius: 999px;
  text-align: center;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.badge.healthy {
  color: var(--good);
  background: #e7f6eb;
}

.badge.warning {
  color: var(--warn);
  background: #fff3df;
}

.badge.critical {
  color: var(--bad);
  background: #fee9e7;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 16px 0;
}

.metrics div {
  min-height: 64px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fbfcfc;
}

.metrics span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
}

.metrics strong {
  display: block;
  margin-top: 6px;
  overflow-wrap: anywhere;
}

.services {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.service {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  min-height: 34px;
  padding: 8px 10px;
  border-radius: 6px;
  background: #f3f6f5;
  font-size: 13px;
}

.service.ok strong {
  color: var(--good);
}

.service.bad strong {
  color: var(--bad);
}

.php-errors {
  display: grid;
  gap: 6px;
  margin-top: 12px;
  padding: 10px;
  border-radius: 6px;
  background: #f3f6f5;
  font-size: 13px;
}

.php-errors strong {
  color: var(--good);
}

.php-errors.bad {
  background: #fee9e7;
}

.php-errors.bad strong {
  color: var(--bad);
}

.php-errors span {
  color: var(--muted);
  overflow-wrap: anywhere;
}

.empty {
  display: none;
  padding: 40px 16px;
  text-align: center;
  color: var(--muted);
}

.empty.visible {
  display: block;
}

@media (max-width: 920px) {
  .topbar,
  .settings {
    grid-template-columns: 1fr;
  }

  .summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .toolbar {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 540px) {
  .summary,
  .server-grid,
  .metrics,
  .services {
    grid-template-columns: 1fr;
  }
}