:root {
  --bg-color: #0b0f17;
  --panel-bg: rgba(18, 26, 42, 0.65);
  --panel-border: rgba(255, 255, 255, 0.08);
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  
  --teal-accent: #06b6d4;
  --teal-glow: rgba(6, 182, 212, 0.2);
  
  --orange-accent: #f97316;
  --orange-glow: rgba(249, 115, 22, 0.2);
  
  --purple-accent: #a855f7;
  --purple-glow: rgba(168, 85, 247, 0.2);

  --gold-accent: #eab308;
  --gold-glow: rgba(234, 179, 8, 0.2);
  
  --transition-speed: 0.3s;
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: 'Outfit', sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  line-height: 1.5;
}

/* Background Glowing Effects */
.glow-bg {
  position: absolute;
  top: -200px;
  left: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.15) 0%, transparent 70%);
  z-index: -1;
  pointer-events: none;
  filter: blur(80px);
}

/* Header styling */
.app-header {
  border-bottom: 1px solid var(--panel-border);
  background: rgba(11, 15, 23, 0.8);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 16px 24px;
}

.header-content {
  max-width: 1300px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  font-size: 32px;
  background: linear-gradient(135deg, var(--teal-accent), var(--purple-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-area h1 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(to right, #ffffff, #d1d5db);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tagline {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 400;
}

.control-area {
  min-width: 280px;
}

.select-wrapper {
  position: relative;
  width: 100%;
}

select {
  width: 100%;
  padding: 12px 16px;
  background-color: rgba(18, 26, 42, 0.85);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  outline: none;
  transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
  appearance: none;
}

select:focus {
  border-color: var(--teal-accent);
  box-shadow: 0 0 0 3px var(--teal-glow);
}

.select-wrapper::after {
  content: '▼';
  font-size: 10px;
  color: var(--text-secondary);
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}

/* Dashboard Layout */
.dashboard-container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

/* Glassmorphism Panel */
.glass {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(16px);
  border-radius: 18px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.glass:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.45);
}

/* KPI Cards */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.kpi-card {
  padding: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.kpi-info h3 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.kpi-value {
  font-size: 28px;
  font-weight: 700;
  color: #ffffff;
}

.kpi-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.kpi-icon.teal { background-color: var(--teal-glow); color: var(--teal-accent); }
.kpi-icon.orange { background-color: var(--orange-glow); color: var(--orange-accent); }
.kpi-icon.purple { background-color: var(--purple-glow); color: var(--purple-accent); }
.kpi-icon.gold { background-color: var(--gold-glow); color: var(--gold-accent); }

/* Charts Layout */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.span-all {
  grid-column: span 2;
}

.chart-card {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.chart-header h2 {
  font-size: 18px;
  font-weight: 600;
  color: #ffffff;
}

.chart-header p {
  font-size: 13px;
  color: var(--text-secondary);
}

.chart-container {
  position: relative;
  width: 100%;
  height: 340px;
}

/* Ledger / Table section */
.table-card {
  padding: 24px;
}

.table-header {
  margin-bottom: 16px;
}

.table-header h2 {
  font-size: 18px;
  font-weight: 600;
  color: #ffffff;
}

.table-header p {
  font-size: 13px;
  color: var(--text-secondary);
}

.table-wrapper {
  overflow-x: auto;
  width: 100%;
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

th, td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 14px;
}

th {
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.05em;
}

tbody tr:hover {
  background-color: rgba(255, 255, 255, 0.02);
}

.loading-cell {
  text-align: center;
  color: var(--text-secondary);
  padding: 40px;
  font-style: italic;
}

/* Footer style */
.app-footer {
  text-align: center;
  padding: 40px 24px;
  border-top: 1px solid var(--panel-border);
  margin-top: 56px;
}

.app-footer p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.footer-meta {
  font-size: 12px !important;
  color: rgba(156, 163, 175, 0.6) !important;
}

/* Screen Reader Only Utility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Responsive fixes */
@media (max-width: 960px) {
  .charts-grid {
    grid-template-columns: 1fr;
  }
  .span-all {
    grid-column: span 1;
  }
}