/* Global Styles */
:root {
  --color-primary: #0051ba;
  --color-primary-dark: #003a82;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-critical: #dc2626;
  --color-text: #1f2937;
  --color-text-light: #6b7280;
  --color-border: #e5e7eb;
  --color-bg: #f9fafb;
  --color-bg-light: #ffffff;
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --radius: 0.5rem;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

html, body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
}

/* Layout */
.app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.container {
  flex: 1;
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-lg);
  width: 100%;
}

/* Navigation Bar */
.navbar {
  background-color: var(--color-bg-light);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow);
}

.navbar-brand h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  flex: 1;
  margin-left: var(--spacing-xl);
}

.nav-menu a {
  text-decoration: none;
  color: var(--color-text);
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
  cursor: pointer;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.user-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

#user-email {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

/* Buttons */
.btn-primary, .btn-secondary, .btn-text, .btn-icon {
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
}

.btn-secondary {
  background-color: var(--color-text-light);
  color: white;
}

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

.btn-text {
  background: none;
  color: var(--color-primary);
  padding: 0;
  text-decoration: underline;
}

.btn-text:hover {
  color: var(--color-primary-dark);
}

.btn-icon {
  background-color: transparent;
  color: var(--color-text-light);
  padding: var(--spacing-sm);
  border: 1px solid var(--color-border);
}

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

.btn-small {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.8rem;
}

/* Views */
.view {
  display: none;
}

.view.active {
  display: block;
}

/* Feed Section */
.feed-header,
.digests-header,
.health-header,
.search-header,
.trends-header {
  margin-bottom: var(--spacing-lg);
}

.feed-header h2,
.digests-header h2,
.health-header h2,
.search-header h2,
.trends-header h2 {
  font-size: 1.75rem;
  margin-bottom: var(--spacing-md);
}

.filters {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  align-items: center;
}

.filter-select {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.9rem;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  cursor: pointer;
}

/* Entries List */
.entries-list {
  display: grid;
  gap: var(--spacing-lg);
}

.entry-card {
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow);
  transition: all 0.2s;
}

.entry-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.entry-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: var(--spacing-md);
  gap: var(--spacing-md);
}

.entry-tags {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.tag {
  display: inline-block;
  background-color: #e0e7ff;
  color: var(--color-primary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius);
  font-size: 0.8rem;
  font-weight: 500;
}

.relevance-badge {
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.8rem;
  white-space: nowrap;
}

.relevance-critical {
  background-color: #fee2e2;
  color: var(--color-critical);
}

.relevance-notable {
  background-color: #fef3c7;
  color: #b45309;
}

.relevance-other {
  background-color: #f3f4f6;
  color: var(--color-text-light);
}

.entry-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.entry-competitor {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

.entry-summary {
  background-color: var(--color-bg);
  border-left: 3px solid var(--color-primary);
  padding: var(--spacing-md);
  margin: var(--spacing-md) 0;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  color: var(--color-text);
}

.entry-summary-source {
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-top: var(--spacing-sm);
  text-align: right;
}

.entry-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
  margin-top: var(--spacing-md);
}

.entry-meta {
  display: flex;
  gap: var(--spacing-lg);
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.entry-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.action-btn {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 0.8rem;
  background-color: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s;
}

.action-btn:hover {
  background-color: var(--color-primary-dark);
}

.action-btn-secondary {
  background-color: var(--color-border);
  color: var(--color-text);
}

.action-btn-secondary:hover {
  background-color: #d1d5db;
}

/* Digest List */
.digests-list {
  display: grid;
  gap: var(--spacing-lg);
}

.digest-card {
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow);
}

.digest-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  padding: var(--spacing-md);
  background-color: var(--color-bg);
  border-radius: var(--radius);
  transition: all 0.2s;
}

.digest-header:hover {
  background-color: #f0f4f8;
}

.digest-info {
  flex: 1;
}

.digest-period {
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.digest-meta {
  font-size: 0.85rem;
  color: var(--color-text-light);
  display: flex;
  gap: var(--spacing-lg);
}

.digest-toggle {
  font-size: 1.5rem;
  color: var(--color-text-light);
  transition: transform 0.2s;
}

.digest-toggle.open {
  transform: rotate(90deg);
}

.digest-content {
  display: none;
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  white-space: pre-wrap;
  word-wrap: break-word;
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
  line-height: 1.5;
}

.digest-content.open {
  display: block;
}

/* Health Grid */
.health-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.health-card {
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow);
}

.health-status {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.status-indicator {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-indicator.healthy {
  background-color: var(--color-success);
}

.status-indicator.degraded {
  background-color: var(--color-warning);
}

.status-indicator.failing {
  background-color: var(--color-danger);
}

.status-indicator.disabled {
  background-color: var(--color-text-light);
}

.health-name {
  font-weight: 600;
  font-size: 1rem;
}

.health-type {
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

.health-details {
  display: grid;
  gap: var(--spacing-sm);
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

.health-detail-row {
  display: flex;
  justify-content: space-between;
}

.health-actions {
  display: flex;
  gap: var(--spacing-sm);
}

/* Search Box */
.search-box {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.search-input {
  flex: 1;
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.9rem;
}

.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(5, 81, 186, 0.1);
}

/* Trends Grid */
.trends-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-lg);
}

.trend-chart {
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow);
}

.trend-chart h3 {
  margin-bottom: var(--spacing-lg);
  font-size: 1rem;
}

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

/* Modal */
.modal {
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  animation: fadeIn 0.2s;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-content {
  background-color: var(--color-bg-light);
  margin: 5% auto;
  padding: var(--spacing-lg);
  border-radius: var(--radius);
  width: 90%;
  max-width: 500px;
  box-shadow: var(--shadow-md);
  animation: slideIn 0.2s;
}

@keyframes slideIn {
  from {
    transform: translateY(-20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.modal-content h3 {
  margin-bottom: var(--spacing-lg);
}

.close {
  float: right;
  font-size: 1.5rem;
  font-weight: bold;
  cursor: pointer;
  color: var(--color-text-light);
}

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

/* Form Elements */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-family: inherit;
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(5, 81, 186, 0.1);
}

/* Loading State */
.loading {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--color-text-light);
}

.loading::after {
  content: '';
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-left: var(--spacing-md);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--color-text-light);
}

.empty-state h3 {
  margin-bottom: var(--spacing-md);
}

/* Responsive */
@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .nav-menu {
    margin-left: 0;
    width: 100%;
    flex-wrap: wrap;
  }

  .container {
    padding: var(--spacing-md);
  }

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

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

  .entry-footer {
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: flex-start;
  }

  .entry-actions {
    width: 100%;
  }

  .action-btn {
    flex: 1;
  }
}