/**
 * Swagger UI SSE Plugin - Main Styles
 * Enhanced vanilla JavaScript implementation with theme support
 */

/* CSS Variables for theming */
:root {
  --sse-primary-color: #007bff;
  --sse-success-color: #28a745;
  --sse-danger-color: #dc3545;
  --sse-warning-color: #ffc107;
  --sse-info-color: #17a2b8;
  --sse-light-color: #f8f9fa;
  --sse-dark-color: #343a40;
  --sse-border-color: #dee2e6;
  --sse-text-color: #212529;
  --sse-bg-color: #ffffff;
  --sse-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
  --sse-border-radius: 0.375rem;
  --sse-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --sse-mono-font: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
}

/* Dark theme variables */
[data-theme="dark"] {
  --sse-primary-color: #0d6efd;
  --sse-success-color: #198754;
  --sse-danger-color: #dc3545;
  --sse-warning-color: #fd7e14;
  --sse-info-color: #0dcaf0;
  --sse-light-color: #495057;
  --sse-dark-color: #f8f9fa;
  --sse-border-color: #495057;
  --sse-text-color: #f8f9fa;
  --sse-bg-color: #212529;
  --sse-shadow: 0 0.125rem 0.25rem rgba(255, 255, 255, 0.075);
}

/* Main SSE Interface Container */
.sse-interface {
  margin: 1rem 0;
  padding: 1rem;
  border: 1px solid var(--sse-border-color);
  border-radius: var(--sse-border-radius);
  background-color: var(--sse-bg-color);
  color: var(--sse-text-color);
  font-family: var(--sse-font-family);
  box-shadow: var(--sse-shadow);
  transition: all 0.3s ease;
}

/* Connection Controls */
.sse-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding: 0.75rem;
  background-color: var(--sse-light-color);
  border-radius: var(--sse-border-radius);
  border: 1px solid var(--sse-border-color);
}

.sse-controls button {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: var(--sse-border-radius);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.sse-connect-btn {
  background-color: var(--sse-success-color);
  color: white;
}

.sse-connect-btn:hover:not(:disabled) {
  background-color: #218838;
  transform: translateY(-1px);
}

.sse-disconnect-btn {
  background-color: var(--sse-danger-color);
  color: white;
}

.sse-disconnect-btn:hover:not(:disabled) {
  background-color: #c82333;
  transform: translateY(-1px);
}

.sse-controls button:disabled {
  background-color: #6c757d;
  cursor: not-allowed;
  opacity: 0.6;
  transform: none;
}

/* Connection Status Indicator */
.sse-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: relative;
}

.sse-status::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.sse-status.connected {
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.sse-status.connected::before {
  background-color: #28a745;
  animation: pulse 2s infinite;
}

.sse-status.connecting {
  background-color: #fff3cd;
  color: #856404;
  border: 1px solid #ffeaa7;
}

.sse-status.connecting::before {
  background-color: #ffc107;
  animation: blink 1s infinite;
}

.sse-status.disconnected {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.sse-status.disconnected::before {
  background-color: #dc3545;
}

.sse-status.error {
  background-color: #f5c6cb;
  color: #721c24;
  border: 1px solid #f1b0b7;
}

.sse-status.error::before {
  background-color: #dc3545;
  animation: shake 0.5s infinite;
}

/* Connection Statistics */
.sse-stats {
  display: flex;
  gap: 1rem;
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--sse-text-color);
  opacity: 0.7;
}

.sse-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.sse-stat-label {
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sse-stat-value {
  font-weight: 600;
  color: var(--sse-primary-color);
}

/* Event Filters */
.sse-filters {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding: 0.75rem;
  background-color: var(--sse-light-color);
  border-radius: var(--sse-border-radius);
  border: 1px solid var(--sse-border-color);
  flex-wrap: wrap;
}

.sse-filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 150px;
}

.sse-filter-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--sse-text-color);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sse-filter-input,
.sse-filter-select {
  padding: 0.5rem;
  border: 1px solid var(--sse-border-color);
  border-radius: var(--sse-border-radius);
  background-color: var(--sse-bg-color);
  color: var(--sse-text-color);
  font-size: 0.875rem;
  transition: border-color 0.2s ease;
}

.sse-filter-input:focus,
.sse-filter-select:focus {
  outline: none;
  border-color: var(--sse-primary-color);
  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.sse-clear-filters-btn {
  padding: 0.5rem 0.75rem;
  background-color: var(--sse-warning-color);
  color: white;
  border: none;
  border-radius: var(--sse-border-radius);
  font-size: 0.75rem;
  cursor: pointer;
  align-self: flex-end;
  transition: background-color 0.2s ease;
}

.sse-clear-filters-btn:hover {
  background-color: #e0a800;
}

/* Event Log Container */
.sse-event-log {
  border: 1px solid var(--sse-border-color);
  border-radius: var(--sse-border-radius);
  background-color: var(--sse-bg-color);
  overflow: hidden;
}

.sse-event-log-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  background-color: var(--sse-light-color);
  border-bottom: 1px solid var(--sse-border-color);
}

.sse-event-log-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--sse-text-color);
}

.sse-event-log-controls {
  display: flex;
  gap: 0.5rem;
}

.sse-log-control-btn {
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--sse-border-color);
  border-radius: var(--sse-border-radius);
  background-color: var(--sse-bg-color);
  color: var(--sse-text-color);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.sse-log-control-btn:hover {
  background-color: var(--sse-light-color);
}

.sse-auto-scroll-toggle.active {
  background-color: var(--sse-primary-color);
  color: white;
  border-color: var(--sse-primary-color);
}

/* Virtual Scrolling Container */
.sse-events-container {
  height: 400px;
  overflow-y: auto;
  position: relative;
}

.sse-events-viewport {
  position: relative;
}

.sse-events-spacer {
  height: 0;
}

/* Event Items */
.sse-event-item {
  padding: 0.75rem;
  border-bottom: 1px solid var(--sse-border-color);
  font-family: var(--sse-mono-font);
  font-size: 0.8125rem;
  transition: background-color 0.2s ease;
  cursor: pointer;
}

.sse-event-item:hover {
  background-color: var(--sse-light-color);
}

.sse-event-item:last-child {
  border-bottom: none;
}

.sse-event-item.expanded {
  background-color: var(--sse-light-color);
}

.sse-event-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.sse-event-type {
  font-weight: 600;
  color: var(--sse-primary-color);
  padding: 0.25rem 0.5rem;
  background-color: rgba(0, 123, 255, 0.1);
  border-radius: var(--sse-border-radius);
  font-size: 0.75rem;
}

.sse-event-timestamp {
  color: var(--sse-text-color);
  opacity: 0.7;
  font-size: 0.75rem;
}

.sse-event-data {
  background-color: var(--sse-light-color);
  padding: 0.75rem;
  border-radius: var(--sse-border-radius);
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 100px;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.sse-event-item.expanded .sse-event-data {
  max-height: none;
}

.sse-event-expand-btn {
  background: none;
  border: none;
  color: var(--sse-primary-color);
  cursor: pointer;
  font-size: 0.75rem;
  padding: 0.25rem;
  margin-top: 0.5rem;
}

/* Loading States */
.sse-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  color: var(--sse-text-color);
  opacity: 0.7;
}

.sse-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--sse-border-color);
  border-top: 2px solid var(--sse-primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-right: 0.5rem;
}

/* Animations */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0.3; }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-2px); }
  75% { transform: translateX(2px); }
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
  .sse-interface {
    margin: 0.5rem 0;
    padding: 0.75rem;
  }
  
  .sse-controls {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .sse-controls button {
    width: 100%;
    justify-content: center;
  }
  
  .sse-filters {
    flex-direction: column;
  }
  
  .sse-filter-group {
    min-width: auto;
  }
  
  .sse-event-log-header {
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-start;
  }
  
  .sse-events-container {
    height: 300px;
  }
  
  .sse-event-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }
  
  .sse-stats {
    flex-direction: column;
    gap: 0.5rem;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .sse-interface {
    border-width: 2px;
  }
  
  .sse-controls button {
    border: 2px solid currentColor;
  }
  
  .sse-status {
    border-width: 2px;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}