:root {
  --bg: #0c1222;
  --panel: #141c2e;
  --fg: #e8eef8;
  --muted: #94a3b8;
  --accent: #3dd6c6;
  --warn: #e8b86d;
  --danger: #f07178;
  --line: #243049;
  --font: "Source Sans 3", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--fg);
  background:
    linear-gradient(160deg, #152238 0%, transparent 42%),
    radial-gradient(ellipse at 90% 0%, #1a3a3a 0%, transparent 45%),
    var(--bg);
}

.shell {
  max-width: 68rem;
  margin: 0 auto;
  padding: 1.25rem 1.5rem 3rem;
}

.banner {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--warn);
  color: var(--warn);
  border-radius: 0.35rem;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.top {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: flex-end;
  margin: 1rem 0 1.25rem;
}

h1 {
  margin: 0.35rem 0 0;
  font-size: 1.65rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.sub {
  margin: 0.35rem 0 0;
  color: var(--muted);
  max-width: 36rem;
  line-height: 1.45;
}

.auth-panel {
  background: color-mix(in srgb, var(--panel) 92%, black);
  border: 1px solid var(--line);
  border-radius: 0.6rem;
  padding: 0.9rem 1rem;
  display: grid;
  gap: 0.65rem;
  min-width: min(100%, 22rem);
}

.auth-panel label {
  display: grid;
  gap: 0.25rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.auth-panel input,
.auth-panel select {
  font: inherit;
  font-family: var(--mono);
  font-size: 0.85rem;
  padding: 0.45rem 0.55rem;
  border-radius: 0.35rem;
  border: 1px solid var(--line);
  background: #0a101c;
  color: var(--fg);
}

.auth-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

button,
.tab {
  font: inherit;
  cursor: pointer;
  border-radius: 0.35rem;
  border: 1px solid var(--line);
  background: #1a2438;
  color: var(--fg);
  padding: 0.45rem 0.75rem;
}

button.primary {
  background: color-mix(in srgb, var(--accent) 28%, #12202a);
  border-color: color-mix(in srgb, var(--accent) 50%, var(--line));
  color: #ecfffb;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.tabs {
  display: flex;
  gap: 0.35rem;
  margin: 1rem 0 0.75rem;
}

.tab[aria-selected="true"] {
  border-color: var(--accent);
  color: var(--accent);
}

.panel {
  display: none;
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  border: 1px solid var(--line);
  border-radius: 0.6rem;
  padding: 1rem;
}

.panel.active {
  display: block;
}

.kpi {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(7rem, 1fr));
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.kpi div {
  border: 1px solid var(--line);
  border-radius: 0.45rem;
  padding: 0.65rem 0.75rem;
  background: #0d1524;
}

.kpi strong {
  display: block;
  font-size: 1.35rem;
  font-family: var(--mono);
}

.kpi span {
  color: var(--muted);
  font-size: 0.75rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th,
td {
  text-align: left;
  padding: 0.45rem 0.35rem;
  border-bottom: 1px solid var(--line);
}

th {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.warn-box,
.status-box {
  margin: 0.75rem 0;
  padding: 0.65rem 0.8rem;
  border-radius: 0.4rem;
  font-size: 0.9rem;
}

.warn-box {
  display: none;
  border: 1px solid var(--danger);
  color: #ffd0d3;
  background: color-mix(in srgb, var(--danger) 12%, transparent);
}

.warn-box.visible {
  display: block;
}

.status-box {
  border: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.8rem;
  white-space: pre-wrap;
}

code {
  font-family: var(--mono);
  font-size: 0.85em;
}