/* Microsoft Fabric Design Language Styles */
:root {
  /* Color tokens inspired by Microsoft Fabric */
  --fabric-primary: #19433c;
  --fabric-primary-hover: #286c61;
  --fabric-secondary: #323130;
  --fabric-neutral-grey-10: #faf9f8;
  --fabric-neutral-grey-20: #f3f2f1;
  --fabric-neutral-grey-30: #edebe9;
  --fabric-neutral-grey-90: #323130;
  --fabric-neutral-grey-160: #323130;
  --fabric-semantic-success: #107c10;
  --fabric-semantic-warning: #ffb900;
  --fabric-semantic-error: #d13438;
  --fabric-background-fade-dark: #fff6dc;
  --fabric-background-fade-light: #edf9f7;
  
  /* Typography */
  --font-family-primary: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif;
  --font-size-hero: 2.5rem;
  --font-size-title: 1.75rem;
  --font-size-subtitle: 1.25rem;
  --font-size-body: 0.875rem;
  --font-size-caption: 0.75rem;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-s: 0.5rem;
  --spacing-m: 1rem;
  --spacing-l: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-xxl: 3rem;
  
  /* Elevation/shadows */
  --elevation-2: 0 0.125rem 0.375rem rgba(0, 0, 0, 0.12);
  --elevation-4: 0 0.25rem 0.5rem rgba(0, 0, 0, 0.14);
  --elevation-8: 0 0.5rem 1rem rgba(0, 0, 0, 0.18);
}

* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-body);
  line-height: 1.5;
  color: var(--fabric-neutral-grey-160);
  background: linear-gradient(70deg, var(--fabric-background-fade-dark) 0%, var(--fabric-background-fade-light) 100%);
  margin: 0;
  padding: 0;
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-l);
}

.header {
  background-color: white;
  border-bottom: 1px solid var(--fabric-neutral-grey-30);
  padding: var(--spacing-l) 0;
  margin-bottom: var(--spacing-xl);
}

.hero-section {
  text-align: center;
  padding: var(--spacing-xxl) 0;
  background: linear-gradient(135deg, var(--fabric-primary) 0%, #348c7e 100%);
  color: white;
  margin-bottom: var(--spacing-xl);
}

.hero-title {
  font-size: var(--font-size-hero);
  font-weight: 600;
  margin: 0 0 var(--spacing-m) 0;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: var(--font-size-subtitle);
  font-weight: 400;
  margin: 0 0 var(--spacing-xl) 0;
  opacity: 0.9;
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-l);
  margin-bottom: var(--spacing-xl);
}

.card {
  background: white;
  border-radius: 8px;
  padding: var(--spacing-l);
  box-shadow: var(--elevation-2);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
  border: 1px solid var(--fabric-neutral-grey-30);
}

.card:hover {
  box-shadow: var(--elevation-8);
  transform: translateY(-2px);
}

.card-title {
  font-size: var(--font-size-title);
  font-weight: 600;
  margin: 0 0 var(--spacing-m) 0;
  color: var(--fabric-neutral-grey-160);
}

.card-description {
  color: var(--fabric-neutral-grey-90);
  margin-bottom: var(--spacing-l);
  line-height: 1.6;
}

/* Buttons */
.button {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-s) var(--spacing-l);
  border: none;
  border-radius: 4px;
  font-family: var(--font-family-primary);
  font-size: var(--font-size-body);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

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

.button-primary:hover {
  background-color: var(--fabric-primary-hover);
  color: white;
}

.button-secondary {
  background-color: transparent;
  color: var(--fabric-primary);
  border: 1px solid var(--fabric-primary);
}

.button-secondary:hover {
  background-color: var(--fabric-primary);
  color: white;
}

/* Features list */
.features-section {
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-l);
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-m);
}

.feature-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-content h3 {
  font-size: var(--font-size-subtitle);
  font-weight: 600;
  margin: 0 0 var(--spacing-s) 0;
  color: var(--fabric-neutral-grey-160);
}

.feature-content p {
  margin: 0;
  color: var(--fabric-neutral-grey-90);
  line-height: 1.5;
}

/* Status indicators */
.status-live {
  background-color: var(--fabric-semantic-success);
  color: white;
  padding: var(--spacing-xs) var(--spacing-s);
  border-radius: 12px;
  font-size: var(--font-size-caption);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Footer */
.footer {
  text-align: center;
  padding: var(--spacing-xl) 0;
  color: var(--fabric-neutral-grey-90);
  border-top: 1px solid var(--fabric-neutral-grey-30);
  margin-top: var(--spacing-xxl);
}

/* Responsive design */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-m);
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1.125rem;
  }
  
  .card-grid {
    grid-template-columns: 1fr;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
}

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

/* Why Build and Coming Soon Sections */
.why-build-section {
  border-radius: 12px;
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  box-shadow: var(--elevation-2);
}

.section-title {
  text-align: center;
  font-size: 2rem;
  font-weight: 600;
  color: var(--fabric-neutral-grey-160);
  margin-bottom: var(--spacing-xl);
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--fabric-primary), var(--fabric-primary-dark));
  border-radius: 2px;
}

.why-build-content {
  display: grid;
  gap: var(--spacing-xl);
}

.why-build-story {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.story-text {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--fabric-neutral-grey-130);
  margin-bottom: var(--spacing-m);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-l);
  margin-top: var(--spacing-xl);
}

.benefit-item {
  text-align: center;
  padding: var(--spacing-l);
  background: var(--fabric-neutral-grey-10);
  border-radius: 8px;
  border: 1px solid var(--fabric-neutral-grey-20);
  transition: all 0.2s ease;
}

.benefit-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--elevation-2);
  border-color: var(--fabric-primary);
}

.benefit-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-m);
}

.benefit-item h4 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--fabric-neutral-grey-160);
  margin-bottom: var(--spacing-s);
}

.benefit-item p {
  color: var(--fabric-neutral-grey-90);
  line-height: 1.5;
}

.coming-soon-section {
  background: linear-gradient(135deg, var(--fabric-primary) 0%, var(--fabric-primary-dark) 100%);
  border-radius: 12px;
  padding: var(--spacing-xl);
  color: var(--fabric-secondary);
}

.coming-soon-title {
  text-align: center;
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--fabric-secondary);
  margin-bottom: var(--spacing-xl);
  position: relative;
}

.coming-soon-title::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 2px;
}

.roadmap-items {
  display: grid;
  gap: var(--spacing-l);
}

.roadmap-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-m);
  padding: var(--spacing-l);
  background: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.2s ease;
}

.roadmap-item:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateX(8px);
}

.roadmap-icon {
  font-size: 2rem;
  flex-shrink: 0;
  margin-top: 4px;
}

.roadmap-content {
  flex: 1;
}

.roadmap-content h4 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--fabric-secondary);
  margin-bottom: var(--spacing-s);
}

.roadmap-content p {
  color: var(--fabric-secondary);
  line-height: 1.5;
  margin-bottom: var(--spacing-s);
}

.roadmap-status {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-s);
  background: rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  font-size: var(--font-size-caption);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Responsive adjustments for new sections */
@media (max-width: 768px) {
  .why-build-section,
  .coming-soon-section {
    padding: var(--spacing-l);
  }
  
  .section-title,
  .coming-soon-title {
    font-size: 1.5rem;
  }
  
  .benefits-grid {
    grid-template-columns: 1fr;
  }
  
  .roadmap-item {
    flex-direction: column;
    text-align: center;
  }
  
  .roadmap-item:hover {
    transform: translateY(-4px);
  }
  
  .filters-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-m);
  }
  
  .filter-group {
    min-width: auto;
  }
}

/* Recent Changes Section */
.recent-changes-section {
  background: white;
  border-radius: 12px;
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  box-shadow: var(--elevation-2);
}

.recent-changes-content {
  margin-top: var(--spacing-l);
}

.filters-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-m);
  padding: var(--spacing-l);
  background: var(--fabric-neutral-grey-10);
  border-radius: 8px;
  margin-bottom: var(--spacing-l);
  align-items: end;
}

.filter-group {
  display: flex;
  flex-direction: column;
  min-width: 160px;
}

.filter-group label {
  font-weight: 600;
  color: var(--fabric-neutral-grey-130);
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-caption);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.filter-select {
  padding: var(--spacing-s);
  border: 1px solid var(--fabric-neutral-grey-30);
  border-radius: 4px;
  font-size: var(--font-size-body);
  background: white;
  transition: all 0.2s ease;
}

.filter-select:focus {
  outline: none;
  border-color: var(--fabric-primary);
  box-shadow: 0 0 0 2px rgba(0, 120, 212, 0.1);
}

.filter-select:hover {
  border-color: var(--fabric-neutral-grey-60);
}

.search-input-wrapper {
  position: relative;
}

.search-input-wrapper .filter-select {
  width: 100%;
  padding-right: 32px;
}

.search-spinner {
  display: none;
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  border: 2px solid var(--fabric-neutral-grey-30);
  border-top: 2px solid var(--fabric-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.search-spinner.active {
  display: block;
}

.loading-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-m);
  padding: var(--spacing-xl);
  color: var(--fabric-neutral-grey-90);
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--fabric-neutral-grey-30);
  border-top: 2px solid var(--fabric-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.changes-grid {
  display: grid;
  gap: var(--spacing-m);
}

.change-item {
  background: white;
  border: 1px solid var(--fabric-neutral-grey-20);
  border-radius: 8px;
  padding: var(--spacing-m);
  transition: all 0.2s ease;
  position: relative;
}

.change-item:hover {
  border-color: var(--fabric-primary);
  box-shadow: var(--elevation-1);
}

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

.change-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--fabric-neutral-grey-160);
  margin: 0;
  flex: 1;
  min-width: 200px;
}

.change-badges {
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
}

.change-badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-s);
  border-radius: 12px;
  border-width: 1px;
  border-style: solid;
  font-size: var(--font-size-caption);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-product {
  border-color: var(--fabric-primary);
  color: var(--fabric-neutral-grey-160);
}

.badge-warning {
  border-color: var(--fabric-semantic-warning);
  color: var(--fabric-neutral-grey-160);
}

.badge-success {
  border-color: var(--fabric-semantic-success);
  color: var(--fabric-neutral-grey-160);
}

.badge-removed {
  border-color: var(--fabric-semantic-error);
  color: var(--fabric-semantic-error);
  background-color: rgba(209, 52, 56, 0.08);
}

.change-item-inactive {
  opacity: 0.6;
}

.change-item-inactive:hover {
  opacity: 0.85;
}

.change-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-s);
  font-size: var(--font-size-caption);
  color: var(--fabric-neutral-grey-90);
}

.change-date {
  font-weight: 600;
}

.change-description {
  color: var(--fabric-neutral-grey-90);
  line-height: 1.5;
  margin: 0;
}

.no-results {
  text-align: center;
  padding: var(--spacing-xxl);
  color: var(--fabric-neutral-grey-90);
}

.no-results p {
  font-size: 1.1rem;
  margin: 0;
}

/* Email Subscription Styles */
.subscription-item {
  background: rgba(255, 255, 255, 0.15) !important;
}

.subscription-form {
  display: flex;
  gap: var(--spacing-s);
  margin-top: var(--spacing-m);
  flex-wrap: wrap;
}

.subscription-input {
  flex: 1;
  min-width: 200px;
  padding: var(--spacing-s);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--fabric-neutral-grey-160);
  font-size: var(--font-size-body);
}

.subscription-input:focus {
  outline: none;
  border-color: rgba(255, 255, 255, 0.8);
  background: white;
}

.subscription-input::placeholder {
  color: var(--fabric-neutral-grey-90);
}

.subscription-btn {
  white-space: nowrap;
  background: rgba(255, 255, 255, 0.2) !important;
  border: 1px solid rgba(255, 255, 255, 0.3) !important;
  color: white !important;
}

.subscription-btn:hover {
  background: rgba(255, 255, 255, 0.3) !important;
  border-color: rgba(255, 255, 255, 0.5) !important;
}

.subscription-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.subscription-message {
  margin-top: var(--spacing-s);
  padding: var(--spacing-s);
  border-radius: 4px;
  font-size: var(--font-size-caption);
  text-align: center;
}

.subscription-message.success {
  background: rgba(16, 124, 16, 0.1);
  border: 1px solid rgba(16, 124, 16, 0.3);
  color: rgba(25, 67, 60, 0.9);
}

.subscription-message.error {
  background: rgba(196, 43, 28, 0.1);
  border: 1px solid rgba(196, 42, 28, 0.774);
  color: rgba(255, 255, 255, 0.9);
}

/* Focus indicators */
.button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--fabric-primary);
  outline-offset: 2px;
}

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

.loading {
  animation: pulse 1.5s ease-in-out infinite;
}

/* Modal Styles */
.modal { position: fixed; inset: 0; display: none; z-index: 1000; }
.modal[aria-hidden="false"] { display: block; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.45); backdrop-filter: blur(2px); }
.modal-dialog { position: relative; background: #fff; width: min(760px, 92%); max-height: 85vh; overflow-y: auto; margin: 4rem auto; padding: var(--spacing-xl); border-radius: 12px; box-shadow: var(--elevation-8); animation: modalIn .25s ease; }
@media (max-width: 600px){ .modal-dialog { margin: 2.5rem auto; padding: var(--spacing-l); } }
@keyframes modalIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
.modal-close { position: absolute; top: .75rem; right: .75rem; background: transparent; border: none; font-size: 1.75rem; line-height: 1; cursor: pointer; color: var(--fabric-neutral-grey-90); }
.modal-close:hover { color: var(--fabric-primary); }
.modal-header { margin-bottom: var(--spacing-m); display: flex; flex-direction: column; }
.modal-title { margin: 0 2.25rem 0 0; font-size: 1.4rem; font-weight: 600; }
.modal-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .75rem;
  gap: .75rem;
}
.modal-last-modified { color: var(--fabric-neutral-grey-90);  font-style: italic;}
.modal-release-info { color: var(--fabric-neutral-grey-90); font-weight: bold;}
.modal-section { margin-bottom: var(--spacing-l); }
.modal-section h4 { margin: 0 0 .5rem; font-size: .85rem; text-transform: uppercase; letter-spacing: .05em; color: var(--fabric-neutral-grey-90); }
.modal-description { line-height: 1.6; white-space: pre-wrap; }
.modal-actions-row { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: var(--spacing-m); justify-content: space-between; align-items: center; }
.link-copy { background: var(--fabric-neutral-grey-20); border: 1px solid var(--fabric-neutral-grey-30); padding: .4rem .75rem; border-radius: 4px; cursor: pointer; font-weight: 600; }
.link-copy:hover { background: var(--fabric-neutral-grey-30); }

/* Blog Article Card Styles */
.blog-related-section { background: var(--fabric-neutral-grey-10); padding: var(--spacing-m); border-radius: 8px; border-left: 4px solid var(--fabric-primary); }
.blog-article-card { margin-top: .5rem; }
.blog-article-link { display: block; text-decoration: none; color: inherit; padding: var(--spacing-s); background: white; border-radius: 6px; border: 1px solid var(--fabric-neutral-grey-30); transition: all 0.2s ease; }
.blog-article-link:hover { border-color: var(--fabric-primary); box-shadow: var(--elevation-2); transform: translateY(-1px); }
.blog-article-title { font-size: 1rem; font-weight: 600; color: var(--fabric-primary); margin-bottom: var(--spacing-xs); line-height: 1.4; }
.blog-article-meta { display: flex; align-items: center; gap: var(--spacing-xs); font-size: var(--font-size-caption); color: var(--fabric-neutral-grey-90); }
.blog-article-icon { font-size: 0.875rem; }
.blog-article-domain { opacity: 0.8; }

/* End Modal Styles */

.endpoint-section { background: white; border-radius: 8px; padding: var(--spacing-l); margin-bottom: var(--spacing-l); box-shadow: var(--elevation-2); }
.method-badge { display: inline-block; padding: var(--spacing-xs) var(--spacing-s); border-radius: 4px; font-size: var(--font-size-caption); font-weight: 600; text-transform: uppercase; }
.method-get { background-color: var(--fabric-semantic-success); color: white; }
.example-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: var(--spacing-m); margin-top: var(--spacing-m); }
.example-item { background: var(--fabric-neutral-grey-20); padding: var(--spacing-m); border-radius: 4px; border-left: 4px solid var(--fabric-primary); overflow-wrap: break-word; }
.example-item h4 { margin: 0 0 var(--spacing-s) 0; color: var(--fabric-neutral-grey-160); }
.example-item a { color: var(--fabric-primary); text-decoration: none; font-family: monospace; font-size: 0.8rem; }
.example-item a:hover { text-decoration: underline; }
code { background: var(--fabric-neutral-grey-30); padding: 2px 4px; border-radius: 3px; font-size: 0.9em; }
.nav-link { color: var(--fabric-primary); text-decoration: none; font-weight: 500; }
.nav-link:hover { text-decoration: underline; }

.header h1 a {
  text-decoration: none;
  color: inherit;
}
.header h1 a:visited,
.header h1 a:hover,
.header h1 a:focus {
  text-decoration: none;
  color: inherit;
}