:root {
  --bg: #0f1117;
  --panel: #171a22;
  --border: #2a2f3a;
  --text: #e8eaed;
  --muted: #9aa0a6;
  --accent: #5b9fd4;
  --danger: #e57373;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.hidden { display: none !important; }
.error { color: var(--danger); }
.notice { color: #81c784; word-break: break-all; }

.panel {
  max-width: 1100px;
  margin: 2rem auto;
  padding: 1.5rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
}

#login-view { max-width: 420px; text-align: center; }
#login-view input, button, #key-form input {
  font: inherit;
  padding: 0.6rem 0.8rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}
#login-form { display: flex; flex-direction: column; gap: 0.75rem; }
button { cursor: pointer; background: var(--accent); border-color: var(--accent); color: #fff; }
button:hover { filter: brightness(1.1); }

header {
  max-width: 1100px;
  margin: 1.5rem auto 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
header nav { display: flex; gap: 1rem; align-items: center; }
header a { color: var(--accent); }

.cards {
  max-width: 1100px;
  margin: 1rem auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
}
.card .label { display: block; color: var(--muted); font-size: 0.85rem; }
.card .value { font-size: 1.8rem; font-weight: 700; }

.charts {
  max-width: 1100px;
  margin: 1rem auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.chart-box {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  min-height: 260px;
}

.row { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.inline { display: flex; gap: 0.5rem; }

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 0.5rem; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 500; }
td.mono { font-family: inherit; word-break: break-all; }

@media (max-width: 800px) {
  .cards, .charts { grid-template-columns: 1fr; }
}