:root {
  color-scheme: dark;
  --bg: #0f141b;
  --surface: #17202b;
  --surface-2: #1f2b38;
  --line: #2d3b4c;
  --text: #eef4fb;
  --muted: #9fb1c5;
  --ok: #35d07f;
  --warn: #ffc857;
  --bad: #ff5f57;
  --accent: #54c6eb;
}

* {
  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;
}

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

.sidebar {
  border-right: 1px solid var(--line);
  background: #111923;
  padding: 24px 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
}

.brand span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.mark {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: var(--accent);
  color: #061018 !important;
  font-weight: 800;
}

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

nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 10px 12px;
  border-radius: 6px;
}

nav a.active,
nav a:hover {
  background: var(--surface-2);
  color: var(--text);
}

main {
  padding: 28px;
}

.topbar,
.panel-head,
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.eyebrow {
  color: var(--accent);
  margin: 0 0 6px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0;
}

h1,
h2 {
  margin: 0;
}

button {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-2);
  color: var(--text);
  padding: 9px 14px;
  cursor: pointer;
}

button:hover {
  border-color: var(--accent);
}

input,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #0d141d;
  color: var(--text);
  padding: 10px 12px;
}

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

.login-panel {
  min-height: calc(100vh - 56px);
  display: grid;
  place-items: center;
}

.login-card {
  width: min(420px, 100%);
  display: grid;
  gap: 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
}

.user-form {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1.2fr 160px auto;
  gap: 10px;
  margin: 16px 0;
}

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

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

#lastUpdated,
#apiState {
  color: var(--muted);
  font-size: 13px;
}

.summary {
  margin: 28px 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.summary > div,
.panel,
.machine-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.summary > div {
  padding: 18px;
}

.metric {
  display: block;
  font-size: 32px;
  font-weight: 800;
}

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

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

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

.panel {
  padding: 18px;
}

.machine-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 14px;
}

.machine-card {
  padding: 16px;
  cursor: pointer;
}

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

.machine-title h3 {
  margin: 0 0 4px;
}

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

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 12px;
  color: #061018;
  background: var(--muted);
}

.pill.ok {
  background: var(--ok);
  color: #061018;
}

.pill.warn {
  background: var(--warn);
  color: #061018;
}

.pill.bad {
  background: var(--bad);
  color: #061018;
}

.facts {
  display: grid;
  gap: 8px;
  margin-top: 16px;
}

.fact {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--line);
  padding-top: 8px;
  font-size: 14px;
}

.detail-panel {
  margin-top: 18px;
}

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

.detail-section {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #131c26;
}

.detail-section.full {
  grid-column: 1 / -1;
}

.detail-section h3 {
  margin: 0 0 12px;
}

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

.table-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 10px;
  padding: 8px 0;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.file-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.file-list {
  display: grid;
  gap: 6px;
}

.file-entry {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 10px;
  align-items: center;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.file-entry a,
.file-entry button {
  font-size: 13px;
}

.mini-chart {
  display: flex;
  align-items: end;
  gap: 4px;
  height: 90px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.mini-chart span {
  flex: 1;
  min-width: 6px;
  background: var(--accent);
  border-radius: 3px 3px 0 0;
}

@media (max-width: 780px) {
  .shell {
    grid-template-columns: 1fr;
  }

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

  nav {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  nav a {
    text-align: center;
    padding: 8px 4px;
    font-size: 13px;
  }

  main {
    padding: 18px;
  }

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

  .summary {
    grid-template-columns: 1fr;
  }

  .detail-content {
    grid-template-columns: 1fr;
  }
}