:root {
  --navy: #27305b;
  --sky: #36a0cd;
  --sky-soft: #cfe8f3;
  --bg: #ffffff;
  --bg-soft: #f6f8fb;
  --text: #000000;
  --text-mute: #5a5f72;
  --border: #e5e8ef;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Barlow', Arial, sans-serif;
  font-weight: 300;
  font-size: 15px;
  line-height: 1.5;
}

h1, h2, .brand-name {
  font-family: 'Dela Gothic One', Georgia, serif;
  font-weight: 400;
  letter-spacing: -0.01em;
}

/* ============ topbar ============ */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.brand { display: flex; align-items: center; gap: 14px; }

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--navy);
  position: relative;
}
.brand-mark::after {
  content: '';
  position: absolute;
  inset: 8px;
  border-radius: 4px;
  background: var(--sky);
}

.brand-name { font-size: 16px; color: var(--navy); }
.brand-tag { font-size: 12px; color: var(--text-mute); letter-spacing: 0.04em; text-transform: uppercase; }

.meta { font-size: 12px; color: var(--text-mute); }

/* ============ container ============ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px;
}

/* ============ controls ============ */
.controls {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.control { display: flex; flex-direction: column; gap: 6px; }
.control label { font-size: 11px; color: var(--text-mute); text-transform: uppercase; letter-spacing: 0.06em; }

.control select {
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  font-family: inherit;
  font-size: 14px;
  font-weight: 400;
  color: var(--text);
  min-width: 180px;
  cursor: pointer;
}

.period-chips { display: flex; gap: 8px; align-self: flex-end; }

.chip {
  padding: 10px 16px;
  border: 1px solid var(--border);
  background: var(--bg);
  border-radius: 8px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 400;
  color: var(--text);
  cursor: pointer;
  transition: all 0.15s ease;
}
.chip:hover { border-color: var(--sky); }
.chip.is-active {
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
}

.period-range { font-size: 13px; color: var(--text-mute); align-self: flex-end; padding-bottom: 10px; }

/* ============ KPIs ============ */
.kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.kpi {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px;
  box-shadow: var(--shadow);
}

.kpi-label {
  font-size: 11px;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.kpi-value {
  font-family: 'Dela Gothic One', Georgia, serif;
  font-size: 28px;
  color: var(--navy);
}

/* ============ charts ============ */
.charts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 28px;
}

.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.card h2 {
  font-size: 16px;
  margin: 0 0 20px;
  color: var(--navy);
}

.chart-wrap {
  position: relative;
  height: 260px;
}

/* ============ table ============ */
.campaigns {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.campaigns th, .campaigns td {
  text-align: left;
  padding: 12px 8px;
  border-bottom: 1px solid var(--border);
}

.campaigns th {
  font-weight: 600;
  font-size: 11px;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.campaigns td.num, .campaigns th.num { text-align: right; font-variant-numeric: tabular-nums; }
.campaigns tbody tr:last-child td { border-bottom: 0; }
.campaigns tbody tr:hover { background: var(--bg-soft); }

/* ============ status ============ */
.status {
  margin-top: 24px;
  font-size: 12px;
  color: var(--text-mute);
  text-align: center;
}
.status.is-error { color: #c0392b; }

/* ============ responsive ============ */
@media (max-width: 900px) {
  .kpis { grid-template-columns: repeat(2, 1fr); }
  .charts { grid-template-columns: 1fr; }
  .container { padding: 20px; }
  .topbar { padding: 16px 20px; }
}