:root {
  --bg-primary: #121212;
  --bg-secondary: #1e1e1e;
  --bg-tertiary: #2d2d2d;
  --bg-accent: #3d3d3d;
  
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --text-muted: #666666;
  
  --color-success: #00ff88;
  --color-danger: #ff4d4d;
  --color-warning: #ffb800;
  --color-info: #00d1ff;
  
  --border-color: #333333;
  --border-radius: 8px;
  
  --font-family: 'JetBrains Mono', monospace, system-ui;
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-family);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

header {
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--border-color);
  background: rgba(18, 18, 18, 0.8);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.logo-icon {
  width: 24px;
  height: 24px;
  background: var(--color-success);
  border-radius: 4px;
}

main {
  padding: var(--space-xl) 0;
}

section {
  margin-top: var(--space-xl);
}

main > :first-child {
  margin-top: 0;
}

/* Dashboard Grid Layout */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-lg);
}

/* Card Styles */
.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.card-header {
  padding: var(--space-md);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-body {
  padding: var(--space-md);
  flex: 1;
}

.card-footer {
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-size: 0.75rem;
  display: flex;
  justify-content: space-between;
}

/* Timeline Component */
.timeline-container {
  grid-column: span 12;
}

.timeline-track {
  height: 4px;
  background: var(--bg-accent);
  margin: var(--space-xl) 0;
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.timeline-progress {
  position: absolute;
  left: 0;
  height: 100%;
  background: var(--text-primary);
  width: 60%;
}

.timeline-point {
  width: 12px;
  height: 12px;
  background: var(--bg-accent);
  border-radius: 50%;
  position: relative;
  z-index: 2;
}

.timeline-point.active {
  background: var(--text-primary);
  box-shadow: 0 0 10px rgba(255,255,255,0.5);
  transform: scale(1.5);
}

.timeline-label {
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.7rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

/* Alert Boxes */
.alert-card {
  grid-column: span 6;
  position: relative;
}

.alert-card.warning { border-color: var(--color-warning); }
.alert-card.danger { border-color: var(--color-danger); }

.alert-content {
  display: flex;
  gap: var(--space-md);
}

.alert-value {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
}

.alert-details {
  background: var(--color-warning);
  color: #000;
  padding: var(--space-md);
  border-radius: var(--border-radius);
  flex: 1;
}

.alert-card.danger .alert-details {
  background: var(--color-danger);
  color: #fff;
}

.alert-list {
  list-style: none;
  font-size: 0.85rem;
}

.alert-list li::before {
  content: "•";
  margin-right: var(--space-sm);
}

/* Table Styles */
.table-container {
  grid-column: span 12;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th {
  text-align: left;
  padding: var(--space-md);
  color: var(--text-secondary);
  font-weight: 400;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-tertiary);
}

td {
  padding: var(--space-md);
  border-bottom: 1px solid var(--border-color);
}

.status-badge {
  font-weight: 600;
}

.status-completed { color: var(--color-success); }
.status-cancelled { color: var(--color-danger); }
.status-pending { color: var(--color-warning); }

/* KPI Cards */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.kpi-card {
  padding: var(--space-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
}

.kpi-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.kpi-value {
  font-size: 2.5rem;
  font-weight: 800;
}

/* Buttons */
.btn {
  padding: var(--space-sm) var(--space-md);
  border-radius: 20px;
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn:hover {
  background: var(--bg-tertiary);
  border-color: var(--text-secondary);
}

.btn-primary {
  background: var(--text-primary);
  color: var(--bg-primary);
}

.btn-outline {
  border: 1px solid var(--text-secondary);
}

.view-btn {
  background: var(--bg-accent);
  padding: var(--space-xs) var(--space-md);
  border-radius: 4px;
  font-size: 0.8rem;
}

/* Utility */
.live-indicator {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  border: 1px solid var(--color-success);
  border-radius: 20px;
  font-size: 0.75rem;
  color: var(--color-success);
}

.dot {
  width: 6px;
  height: 6px;
  background: var(--color-success);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { opacity: 1; }
  50% { opacity: 0.4; }
  100% { opacity: 1; }
}

.shortcut-label {
  font-size: 0.7rem;
  color: var(--text-muted);
}