:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --border-color: #30363d;
  --text-primary: #f0f6fc;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --accent-blue: #58a6ff;
  --accent-green: #3fb950;
  --accent-purple: #a371f7;
  --accent-orange: #d29922;
  --accent-red: #f85149;
  --accent-cyan: #39c5cf;
  --gradient-start: #6366f1;
  --gradient-end: #a855f7;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

/* Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  margin-bottom: 16px;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 24px;
}

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

.logo-icon {
  font-size: 28px;
}

.logo h1 {
  font-size: 22px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.version-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 4px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-muted);
}

.status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: rgba(63, 185, 80, 0.1);
  border: 1px solid rgba(63, 185, 80, 0.3);
  border-radius: 20px;
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.5;
  }
}

.status-text {
  font-size: 13px;
  color: var(--accent-green);
  font-weight: 500;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.stats-group {
  display: flex;
  gap: 12px;
}

.stat {
  font-size: 13px;
  font-weight: 500;
  padding: 6px 10px;
  border-radius: 8px;
  background: var(--bg-tertiary);
}

.stat-total {
  color: var(--text-secondary);
}

.stat-valid {
  color: var(--accent-green);
}

.stat-invalid {
  color: var(--accent-red);
}

.btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
}

.btn-clear {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.btn-clear:hover {
  background: rgba(248, 81, 73, 0.1);
  border-color: var(--accent-red);
  color: var(--accent-red);
}

.btn-sample {
  background: linear-gradient(135deg, #22c55e, #16a34a);
  color: white;
}

.btn-sample:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(34, 197, 94, 0.4);
}

.btn-sample-invalid {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: white;
}

.btn-sample-invalid:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4);
}

.btn-schema {
  background: var(--bg-tertiary);
  color: var(--accent-cyan);
  border: 1px solid var(--border-color);
}

.btn-schema:hover {
  border-color: var(--accent-cyan);
}

/* Info Bar */
.info-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

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

.label {
  font-size: 13px;
  color: var(--text-muted);
}

.endpoint code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  padding: 6px 12px;
  background: var(--bg-tertiary);
  border-radius: 6px;
  color: var(--accent-cyan);
}

.btn-copy {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 16px;
  padding: 4px;
  opacity: 0.6;
  transition: opacity 0.2s;
}

.btn-copy:hover {
  opacity: 1;
}

.actions {
  display: flex;
  gap: 8px;
}

/* Timeline */
.timeline-container {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  min-height: 500px;
  overflow: hidden;
}

.timeline {
  padding: 24px;
  max-height: calc(100vh - 280px);
  overflow-y: auto;
}

.timeline::-webkit-scrollbar {
  width: 6px;
}

.timeline::-webkit-scrollbar-track {
  background: var(--bg-tertiary);
}

.timeline::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  text-align: center;
}

.empty-icon {
  font-size: 64px;
  margin-bottom: 24px;
  opacity: 0.8;
}

.empty-state h2 {
  font-size: 20px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.empty-state p {
  color: var(--text-muted);
  font-size: 14px;
}

.empty-state code {
  font-family: 'JetBrains Mono', monospace;
  background: var(--bg-tertiary);
  padding: 2px 8px;
  border-radius: 4px;
  color: var(--accent-cyan);
}

/* Event Card */
.event-card {
  display: flex;
  gap: 16px;
  padding: 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  margin-bottom: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  animation: slideIn 0.3s ease;
}

.event-card.event-invalid {
  border-color: rgba(248, 81, 73, 0.5);
  background: rgba(248, 81, 73, 0.05);
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.event-card:hover {
  border-color: var(--accent-purple);
  transform: translateX(4px);
}

.event-card.event-invalid:hover {
  border-color: var(--accent-red);
}

.event-timeline {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 4px;
}

.event-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-purple);
  box-shadow: 0 0 12px var(--accent-purple);
}

.event-card.event-invalid .event-dot {
  background: var(--accent-red);
  box-shadow: 0 0 12px var(--accent-red);
}

.event-line {
  width: 2px;
  flex: 1;
  background: var(--border-color);
  margin-top: 8px;
  min-height: 20px;
}

.event-card:last-child .event-line {
  display: none;
}

.event-content {
  flex: 1;
  min-width: 0;
}

.event-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.event-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.event-time {
  font-size: 12px;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  margin-left: auto;
}

/* Badges */
.badge {
  font-size: 11px;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: 4px;
}

.badge-valid {
  background: rgba(63, 185, 80, 0.15);
  color: var(--accent-green);
  border: 1px solid rgba(63, 185, 80, 0.3);
}

.badge-warning {
  background: rgba(210, 153, 34, 0.15);
  color: var(--accent-orange);
  border: 1px solid rgba(210, 153, 34, 0.3);
}

.badge-error {
  background: rgba(248, 81, 73, 0.15);
  color: var(--accent-red);
  border: 1px solid rgba(248, 81, 73, 0.3);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-why {
  background: rgba(255, 255, 255, 0.15);
  border: none;
  color: inherit;
  font-size: 10px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 3px;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.2s;
}

.btn-why:hover {
  background: rgba(255, 255, 255, 0.25);
}

.badge-warning {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.context-badge {
  font-size: 11px;
  padding: 2px 6px;
  background: var(--bg-secondary);
  border-radius: 4px;
  color: var(--text-muted);
}

.event-properties {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.event-prop {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  padding: 4px 8px;
  background: var(--bg-secondary);
  border-radius: 6px;
}

.event-prop-key {
  color: var(--text-muted);
}

.event-prop-value {
  color: var(--accent-cyan);
  font-family: 'JetBrains Mono', monospace;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  max-width: 700px;
  width: 100%;
  max-height: 80vh;
  overflow: hidden;
  animation: modalIn 0.2s ease;
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 24px;
  cursor: pointer;
  padding: 0;
  line-height: 1;
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
  max-height: calc(80vh - 60px);
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--text-secondary);
  white-space: pre-wrap;
  word-break: break-word;
}

/* Color variations for event types */
.event-card[data-type="level"]:not(.event-invalid) .event-dot {
  background: var(--accent-green);
  box-shadow: 0 0 12px var(--accent-green);
}

.event-card[data-type="session"]:not(.event-invalid) .event-dot {
  background: var(--accent-blue);
  box-shadow: 0 0 12px var(--accent-blue);
}

.event-card[data-type="campaign"]:not(.event-invalid) .event-dot {
  background: var(--accent-orange);
  box-shadow: 0 0 12px var(--accent-orange);
}

.event-card[data-type="error"]:not(.event-invalid) .event-dot {
  background: var(--accent-red);
  box-shadow: 0 0 12px var(--accent-red);
}

/* Game event specific colors */
.event-card[data-type="game_start"]:not(.event-invalid) .event-dot {
  background: #22c55e;
  box-shadow: 0 0 12px #22c55e;
}

.event-card[data-type="game_over"]:not(.event-invalid) .event-dot {
  background: #f59e0b;
  box-shadow: 0 0 12px #f59e0b;
}

.event-card[data-type="business"]:not(.event-invalid) .event-dot {
  background: #10b981;
  box-shadow: 0 0 12px #10b981;
}

/* Context row */
.event-context {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

.context-badge {
  font-size: 10px;
  padding: 2px 6px;
  background: var(--bg-secondary);
  border-radius: 4px;
  color: var(--text-muted);
}

.context-badge.device-badge {
  background: rgba(99, 102, 241, 0.15);
  color: #a5b4fc;
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.context-badge.session-badge {
  background: rgba(168, 85, 247, 0.15);
  color: #d8b4fe;
  border: 1px solid rgba(168, 85, 247, 0.3);
}

.context-badge.bundle-badge {
  background: rgba(59, 130, 246, 0.15);
  color: #93c5fd;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

/* Batch button */
.btn-batch {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: white;
}

.btn-batch:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

/* Empty state hint */
.empty-hint {
  margin-top: 24px;
  text-align: left;
  max-width: 400px;
}

.empty-hint p {
  color: var(--text-muted);
  font-size: 12px;
  margin-bottom: 8px;
}

.empty-hint pre {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 12px;
  color: var(--accent-cyan);
  overflow-x: auto;
}

/* Filter Bar */
.filter-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  margin-bottom: 16px;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.filter-group label {
  font-size: 13px;
  color: var(--text-secondary);
}

.filter-group input {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  padding: 8px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  width: 280px;
}

.filter-group input:focus {
  outline: none;
  border-color: var(--accent-purple);
}

.filter-group input::placeholder {
  color: var(--text-muted);
}

.btn-filter {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  color: white;
}

.btn-filter:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.btn-filter-clear {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.btn-filter-clear:hover {
  border-color: var(--text-muted);
}

.filter-status {
  font-size: 12px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--accent-purple);
}