:root {
  --bg: #101216;
  --panel: #191d23;
  --panel-2: #20262e;
  --text: #eef2f7;
  --muted: #95a0ae;
  --line: #2f3843;
  --accent: #3ac48c;
  --danger: #e15a4f;
  --warn: #d7a13d;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
}

button,
input {
  font: inherit;
}

button {
  min-height: 40px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  cursor: pointer;
}

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

input {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--line);
  background: #0f1318;
  color: var(--text);
  padding: 0 10px;
}

.hidden {
  display: none !important;
}

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

.login-panel {
  width: min(420px, 100%);
  display: grid;
  gap: 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 24px;
}

.login-panel h1,
.topbar h2 {
  margin: 0;
}

.login-panel label {
  display: grid;
  gap: 8px;
  color: var(--muted);
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0;
}

.error-text {
  min-height: 20px;
  color: var(--danger);
  margin: 0;
}

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

.sidebar {
  border-right: 1px solid var(--line);
  padding: 16px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 20px;
  background: var(--panel);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-weight: 700;
}

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

.nav {
  display: grid;
  align-content: start;
  gap: 8px;
}

.nav button {
  text-align: left;
  padding: 0 12px;
}

.nav button.active {
  border-color: var(--accent);
  color: var(--accent);
}

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

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

.workspace {
  min-width: 0;
  padding: 18px;
}

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

.actions,
.inline-form {
  display: flex;
  gap: 10px;
}

.view {
  display: none;
  padding-top: 18px;
}

.active-view {
  display: block;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.metric,
.split section,
.list-item,
.table-wrap,
.output {
  background: var(--panel);
  border: 1px solid var(--line);
}

.metric {
  padding: 14px;
  display: grid;
  gap: 8px;
}

.metric span,
.list-item span,
th {
  color: var(--muted);
  font-size: 13px;
}

.metric strong {
  font-size: 24px;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 14px;
}

.split section {
  padding: 14px;
}

h3 {
  margin: 0 0 12px;
}

.list {
  display: grid;
  gap: 8px;
}

.list-item {
  padding: 10px;
  overflow-wrap: anywhere;
}

.table-wrap {
  overflow: auto;
}

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

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

.inline-form {
  margin-bottom: 12px;
}

.output {
  min-height: 180px;
  padding: 12px;
  overflow: auto;
  white-space: pre-wrap;
}

@media (max-width: 820px) {
  .app-view {
    grid-template-columns: 1fr;
  }

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

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

  .nav button {
    text-align: center;
    padding: 0 8px;
  }

  .topbar,
  .actions,
  .inline-form {
    flex-direction: column;
    align-items: stretch;
  }

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