:root {
  --bg: #05050a;
  --card-bg: #05050a;
  --accent-rgb: 222, 37, 71;
  --accent: rgb(var(--accent-rgb));
  --accent-soft: rgba(var(--accent-rgb), 0.24);
  --text: #ffffff;
  --muted: #a0a3b1;
  --radius-xl: 16px;
  --radius-lg: 16px;
  --radius-md: 16px;
}

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

html {
  background: #000;
  min-height: 100%;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", sans-serif;
  background: radial-gradient(circle at top, #3b0614 0, #05050a 55%, #000 100%);
  background-attachment: fixed;
  min-height: 100vh;
  color: var(--text);
  padding: 20px;
}

.dashboard {
  max-width: 1400px;
  margin: 0 auto;
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
  flex-wrap: wrap;
  gap: 20px;
}

.dashboard-header h1 {
  margin: 0;
  font-size: 32px;
  font-weight: 700;
}

.time-range-selector {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.time-range-btn {
  padding: 8px 16px;
  background: var(--card-bg);
  border: 1px solid rgba(var(--accent-rgb), 0.3);
  border-radius: var(--radius-md);
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.time-range-btn:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.time-range-btn.active {
  background: var(--accent);
  border-color: var(--accent);
}

.dashboard-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.metric-card {
  background: var(--card-bg);
  border: 1px solid rgba(var(--accent-rgb), 0.2);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(10px);
}

.metric-label {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.metric-value {
  font-size: 36px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.metric-change {
  font-size: 12px;
  color: var(--muted);
}

.charts-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 20px;
}

.chart-card {
  background: var(--card-bg);
  border: 1px solid rgba(var(--accent-rgb), 0.2);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(10px);
}

.chart-card h2 {
  margin: 0 0 20px 0;
  font-size: 18px;
  font-weight: 600;
}

.chart-card canvas {
  max-height: 300px;
}

.table-section {
  width: 100%;
}

.table-card {
  background: var(--card-bg);
  border: 1px solid rgba(var(--accent-rgb), 0.2);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(10px);
}

.table-card h2 {
  margin: 0 0 20px 0;
  font-size: 18px;
  font-weight: 600;
}

.table-container {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead {
  border-bottom: 1px solid rgba(var(--accent-rgb), 0.2);
}

th {
  text-align: left;
  padding: 12px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted);
  font-weight: 600;
}

td {
  padding: 12px;
  font-size: 14px;
  border-bottom: 1px solid rgba(var(--accent-rgb), 0.1);
}

tbody tr:hover {
  background: rgba(var(--accent-rgb), 0.05);
}

tbody tr:last-child td {
  border-bottom: none;
}

.loading {
  text-align: center;
  color: var(--muted);
  padding: 40px;
}

@media (max-width: 768px) {
  .dashboard-header {
    flex-direction: column;
    align-items: flex-start;
  }

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

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