:root {
  --bg: #f5f7fb;
  --text: #0f172a;
  --muted: #5b6476;
  --card: #ffffff;
  --line: #e7ebf3;
  --green: #149763;
  --red: #d73a49;
  --amber: #c77700;
  --good-bg: #e8fff4;
  --warning-bg: #fff7e9;
  --critical-bg: #ffecef;
  --shadow: 0 10px 30px rgba(13, 23, 39, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: 'Manrope', sans-serif;
  background: radial-gradient(circle at 10% 10%, #edf5ff 0%, transparent 38%), var(--bg);
  color: var(--text);
}

.background-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 90% 0%, rgba(45, 134, 255, 0.15), transparent 25%);
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 18px 40px;
  position: relative;
  z-index: 2;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.eyebrow {
  margin: 0 0 8px;
  color: #2d4a7f;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 12px;
}

h1 {
  margin: 0;
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.15;
}

.muted {
  color: var(--muted);
  margin: 8px 0 0;
  font-size: 14px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
}

.btn {
  border: none;
  border-radius: 10px;
  padding: 10px 15px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  color: #fff;
  background: linear-gradient(135deg, #1158d4, #2593ff);
  box-shadow: 0 6px 20px rgba(37, 147, 255, 0.35);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(37, 147, 255, 0.35);
}

.btn:disabled {
  opacity: 0.65;
  cursor: default;
  transform: none;
}

.sync-state {
  font-size: 13px;
  color: var(--muted);
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 14px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--shadow);
}

.metric-card .label {
  margin: 0;
  color: var(--muted);
  font-weight: 700;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.metric-card h2 {
  margin: 8px 0 6px;
  font-size: clamp(1.35rem, 2vw, 1.8rem);
}

.delta,
.subtext {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
}

.delta.positive {
  color: var(--green);
}

.delta.negative {
  color: var(--red);
}

.delta.neutral {
  color: var(--muted);
}

.status-card.good {
  background: var(--good-bg);
}

.status-card.warning {
  background: var(--warning-bg);
}

.status-card.critical {
  background: var(--critical-bg);
}

.charts-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.chart-card {
  min-height: 280px;
}

.card-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

h3 {
  margin: 0;
  font-size: 1rem;
}

.insights-card {
  margin-top: 14px;
}

.insights-list {
  margin: 10px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 10px;
}

.insights-list li {
  color: #25314a;
  line-height: 1.4;
}

@media (max-width: 1080px) {
  .overview-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .charts-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .topbar {
    flex-direction: column;
  }

  .topbar-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .overview-grid {
    grid-template-columns: 1fr;
  }
}