/* a2p Protocol - Custom Styles */

:root {
  /* Primary colors */
  --a2p-primary: #7c3aed;
  --a2p-primary-light: #a78bfa;
  --a2p-primary-dark: #5b21b6;
  
  /* Accent colors */
  --a2p-accent: #f59e0b;
  --a2p-accent-light: #fbbf24;
  
  /* Semantic colors */
  --a2p-success: #10b981;
  --a2p-warning: #f59e0b;
  --a2p-error: #ef4444;
  
  /* Neutral */
  --a2p-bg-dark: #0f0f23;
  --a2p-bg-card: #1a1a2e;
}

/* Light mode adjustments */
[data-md-color-scheme="default"] {
  --md-primary-fg-color: var(--a2p-primary);
  --md-primary-fg-color--light: var(--a2p-primary-light);
  --md-primary-fg-color--dark: var(--a2p-primary-dark);
  --md-accent-fg-color: var(--a2p-accent);
  --a2p-hero-bg: linear-gradient(135deg, #f8f7ff 0%, #ede9fe 50%, #f8f7ff 100%);
  --a2p-hero-text: #1e1b4b;
  --a2p-hero-subtitle: #4c1d95;
  --a2p-card-bg: #ffffff;
  --a2p-card-border: rgba(124, 58, 237, 0.15);
  --a2p-text-color: #1e1b4b;
  --a2p-text-muted: #4c1d95;
}

/* Dark mode adjustments */
[data-md-color-scheme="slate"] {
  --md-primary-fg-color: var(--a2p-primary);
  --md-primary-fg-color--light: var(--a2p-primary-light);
  --md-primary-fg-color--dark: var(--a2p-primary-dark);
  --md-accent-fg-color: var(--a2p-accent);
  --md-default-bg-color: var(--a2p-bg-dark);
  --a2p-hero-bg: linear-gradient(135deg, var(--a2p-bg-dark) 0%, #1e1e3f 50%, var(--a2p-bg-dark) 100%);
  --a2p-hero-text: #ffffff;
  --a2p-hero-subtitle: rgba(255, 255, 255, 0.8);
  --a2p-card-bg: var(--a2p-bg-card);
  --a2p-card-border: rgba(124, 58, 237, 0.2);
  --a2p-text-color: #ffffff;
  --a2p-text-muted: rgba(255, 255, 255, 0.7);
}

/* Hero section */
.hero {
  text-align: center;
  padding: 4rem 2rem;
  background: var(--a2p-hero-bg);
  border-radius: 1rem;
  margin-bottom: 3rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.1) 0%, transparent 50%);
  animation: pulse 15s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 0.3; }
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  color: var(--a2p-hero-text);
  margin-bottom: 1rem;
  position: relative;
}

/* Dark mode gradient text effect */
[data-md-color-scheme="slate"] .hero h1 {
  background: linear-gradient(135deg, #fff 0%, var(--a2p-primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--a2p-hero-subtitle);
  margin-bottom: 2rem;
  position: relative;
}

.hero h2 {
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--a2p-hero-subtitle);
  margin-bottom: 2rem;
  position: relative;
}

.hero .md-button {
  margin: 0.5rem;
  padding: 0.8rem 2rem;
  font-weight: 600;
  position: relative;
}

.hero .md-button--primary {
  background: var(--a2p-primary);
  border: none;
}

.hero .md-button--primary:hover {
  background: var(--a2p-primary-dark);
}

/* CTA section */
.cta {
  text-align: center;
  padding: 3rem 2rem;
  background: var(--a2p-hero-bg);
  border-radius: 1rem;
  margin-top: 3rem;
}

.cta h2, .cta p {
  color: var(--a2p-hero-text);
}

/* Grid cards styling */
.grid.cards > ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  padding: 0;
  list-style: none;
}

.grid.cards > ul > li {
  background: var(--a2p-card-bg);
  border: 1px solid var(--a2p-card-border);
  border-radius: 0.75rem;
  padding: 1.5rem;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.grid.cards > ul > li:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(124, 58, 237, 0.15);
  border-color: var(--a2p-primary);
}

.grid.cards .lg {
  font-size: 2rem;
  color: var(--a2p-primary-light);
}

.grid.cards .middle {
  vertical-align: middle;
}

/* Code blocks */
.highlight code {
  border-radius: 0.5rem;
}

.highlight pre {
  border-left: 3px solid var(--a2p-primary);
}

/* Tables */
.md-typeset table:not([class]) {
  border-radius: 0.5rem;
  overflow: hidden;
}

.md-typeset table:not([class]) th {
  background: var(--a2p-bg-card);
  color: var(--a2p-primary-light);
}

/* Admonitions */
.md-typeset .admonition {
  border-radius: 0.5rem;
  border-left-width: 4px;
}

/* Tabs */
.md-typeset .tabbed-labels > label {
  border-radius: 0.5rem 0.5rem 0 0;
}

/* Mermaid diagrams */
.mermaid {
  background: transparent !important;
}

/* Dark mode Mermaid diagram adjustments */
[data-md-color-scheme="slate"] .mermaid {
  filter: brightness(1.1) contrast(1.05);
}

/* Ensure Mermaid text is readable in dark mode */
[data-md-color-scheme="slate"] .mermaid text,
[data-md-color-scheme="slate"] .mermaid .nodeLabel,
[data-md-color-scheme="slate"] .mermaid .edgeLabel {
  fill: rgba(255, 255, 255, 0.9) !important;
  color: rgba(255, 255, 255, 0.9) !important;
}

/* Mermaid node backgrounds in dark mode */
[data-md-color-scheme="slate"] .mermaid .node rect,
[data-md-color-scheme="slate"] .mermaid .node circle,
[data-md-color-scheme="slate"] .mermaid .node ellipse,
[data-md-color-scheme="slate"] .mermaid .node polygon {
  stroke: rgba(255, 255, 255, 0.3) !important;
}

/* Mermaid edge/link colors in dark mode */
[data-md-color-scheme="slate"] .mermaid .edgePath path,
[data-md-color-scheme="slate"] .mermaid .flowchart-link {
  stroke: rgba(255, 255, 255, 0.5) !important;
}

[data-md-color-scheme="slate"] .mermaid .arrowheadPath {
  fill: rgba(255, 255, 255, 0.5) !important;
}

/* Navigation */
.md-nav__link--active {
  color: var(--a2p-primary-light) !important;
}

/* Search */
.md-search__input {
  border-radius: 0.5rem;
}

/* Footer */
.md-footer {
  background: var(--a2p-bg-dark);
  border-top: 1px solid rgba(124, 58, 237, 0.2);
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero h2 {
    font-size: 1.2rem;
  }
  
  .grid.cards > ul {
    grid-template-columns: 1fr;
  }
}

/* Feature comparison table */
.md-typeset table:not([class]) td:first-child {
  font-weight: 600;
}

/* Version badge */
.version-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--a2p-primary);
  color: white;
  border-radius: 2rem;
  font-size: 0.75rem;
  font-weight: 600;
  margin-left: 0.5rem;
}

/* Status indicators */
.status-available::before {
  content: '✅';
  margin-right: 0.25rem;
}

.status-planned::before {
  content: '🔜';
  margin-right: 0.25rem;
}

/* Protocol flow animations */
.protocol-flow {
  animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* EU badge */
.eu-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: linear-gradient(135deg, #003399 0%, #1a1a6c 100%);
  border-radius: 0.5rem;
  color: white;
  font-weight: 600;
}

.eu-badge::before {
  content: '🇪🇺';
  font-size: 1.25rem;
}

/* Features section */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.feature {
  background: var(--a2p-card-bg);
  border: 1px solid var(--a2p-card-border);
  border-radius: 0.75rem;
  padding: 1.5rem;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
}

.feature:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(124, 58, 237, 0.1);
}

.feature-icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 0.75rem;
}

.feature h3 {
  color: var(--a2p-primary);
  margin-bottom: 0.5rem;
}

.feature p {
  color: var(--a2p-text-color);
  margin: 0;
}

/* How it works section */
.how-it-works {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.step {
  background: var(--a2p-card-bg);
  border: 1px solid var(--a2p-card-border);
  border-radius: 0.75rem;
  padding: 1.5rem;
  position: relative;
}

.step h4 {
  color: var(--a2p-primary);
  margin-top: 0.5rem;
}

.step p {
  color: var(--a2p-text-color);
  margin: 0;
}

.step-number {
  position: absolute;
  top: -0.75rem;
  left: 1rem;
  background: var(--a2p-primary);
  color: white;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

/* Adapters section */
.adapters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.adapter {
  display: flex;
  flex-direction: column;
  background: var(--a2p-card-bg);
  border: 1px solid var(--a2p-card-border);
  border-radius: 0.5rem;
  padding: 1rem;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, transform 0.2s;
}

.adapter:hover {
  border-color: var(--a2p-primary);
  transform: translateY(-2px);
}

.adapter strong {
  color: var(--a2p-primary);
}

.adapter span {
  font-size: 0.875rem;
  opacity: 0.7;
}

/* Compliance grid */
.compliance-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.compliance-item {
  background: var(--a2p-card-bg);
  border: 1px solid var(--a2p-card-border);
  border-radius: 0.75rem;
  padding: 1.5rem;
}

.compliance-item h4 {
  margin-top: 0;
  color: var(--a2p-primary);
}

.compliance-item ul {
  margin-bottom: 0;
  padding-left: 1.25rem;
  color: var(--a2p-text-color);
}

/* Open source section */
.open-source {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.license, .location {
  background: var(--a2p-card-bg);
  border: 1px solid var(--a2p-card-border);
  border-radius: 0.75rem;
  padding: 1.5rem;
  text-align: center;
}

.license h4, .location h4 {
  margin-top: 0;
  color: var(--a2p-primary);
}

.license p, .location p {
  color: var(--a2p-text-color);
  margin: 0;
}

/* CTA buttons */
.cta-buttons, .hero-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
}

/* Light mode table adjustments */
[data-md-color-scheme="default"] .md-typeset table:not([class]) th {
  background: #f3f0ff;
  color: var(--a2p-primary-dark);
}

/* Light mode Mermaid adjustments */
[data-md-color-scheme="default"] .mermaid {
  background: transparent !important;
}