*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: system-ui, sans-serif;
  background: #0f1117;
  color: #dde;
  min-height: 100vh;
}

nav {
  background: #1a1d26;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  border-bottom: 1px solid #2a2d3a;
}

nav a { color: #99aacc; text-decoration: none; font-size: 0.9rem; }
nav a:hover { color: #fff; }
nav .brand { font-weight: 700; font-size: 1.1rem; color: #fff; margin-right: 1rem; }

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

h1 { font-size: 1.6rem; margin-bottom: 0.25rem; }
h2 { font-size: 1.1rem; margin: 1.75rem 0 0.75rem; color: #aab; }
.subtitle { color: #778; font-size: 0.9rem; margin-bottom: 1.5rem; }

/* Stat cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}
.card {
  background: #1a1d26;
  border: 1px solid #2a2d3a;
  border-radius: 8px;
  padding: 1.1rem 1.25rem;
}
.card-label { font-size: 0.75rem; color: #778; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.4rem; }
.card-value { font-size: 2rem; font-weight: 700; color: #eef; }
.card-unit  { font-size: 0.75rem; color: #556; margin-top: 0.2rem; }

/* Rolling average layout */
.rolling-layout {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.metric-checks {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex-shrink: 0;
  background: #1a1d26;
  border: 1px solid #2a2d3a;
  border-radius: 8px;
  padding: 0.75rem 1rem;
}

.metric-checks label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: #ccd;
  cursor: pointer;
  white-space: nowrap;
}

.metric-checks input[type="checkbox"] {
  accent-color: #4a6090;
  cursor: pointer;
}

.rolling-layout .chart-wrap {
  flex: 1;
  min-width: 0;
}

/* Chart */
.chart-wrap {
  background: #1a1d26;
  border: 1px solid #2a2d3a;
  border-radius: 8px;
  padding: 1rem;
}

/* Controls */
.controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.controls label { display: flex; flex-direction: column; gap: 0.25rem; font-size: 0.8rem; color: #99a; }
.controls select,
.controls input[type="date"] {
  background: #1a1d26;
  border: 1px solid #3a3d4a;
  color: #dde;
  padding: 0.35rem 0.6rem;
  border-radius: 5px;
  font-size: 0.85rem;
}

.btn-group { display: flex; gap: 0.35rem; align-items: flex-end; }
.win-btn, .ent-btn {
  background: #1a1d26;
  border: 1px solid #3a3d4a;
  color: #99a;
  padding: 0.35rem 0.85rem;
  border-radius: 5px;
  cursor: pointer;
  font-size: 0.85rem;
}
.win-btn.active, .ent-btn.active { background: #2a4070; border-color: #4a6090; color: #ddf; }
.win-btn:hover, .ent-btn:hover { border-color: #6a7090; color: #dde; }

/* Table */
.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  margin-top: 0.5rem;
}
th {
  background: #1a1d26;
  color: #99a;
  text-align: right;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid #2a2d3a;
  white-space: nowrap;
}
th:first-child { text-align: left; }
td {
  padding: 0.4rem 0.75rem;
  text-align: right;
  border-bottom: 1px solid #1e2030;
}
td:first-child { text-align: left; font-variant-numeric: tabular-nums; }
tr:hover td { background: #1e2230; }