/* HealthChain Welcome Page Styles
   Adapted from Kedro's documentation pattern */

/* CSS Variables for theming */
:root {
  --welcome-page-bg-color: #ffffff;
  --cards-section-bg-color: #f8f9fa;
  --card-bg-color: #ffffff;
  --card-border-color: #e0e0e0;
  --card-featured-border-color: #e59875;
  --card-featured-bg-color: #fef7f4;
  --text-primary-color: #1a1a1a;
  --text-secondary-color: #666666;
  --accent-color: #e59875;
  --accent-secondary: #79a8a9;
  /* Persona accent colors */
  --persona-healthtech: #e59875;
  --persona-healthtech-bg: #fef7f4;
  --persona-healthtech-border: #e59875;
  --persona-genai: #5c9ead;
  --persona-genai-bg: #f0f7f9;
  --persona-genai-border: #5c9ead;
  --persona-ml: #7c6fb0;
  --persona-ml-bg: #f5f3fa;
  --persona-ml-border: #7c6fb0;
}

[data-md-color-scheme="slate"] {
  --welcome-page-bg-color: #1a1a1a;
  --cards-section-bg-color: #1f2937;
  --card-bg-color: #2d2d2d;
  --card-border-color: #404040;
  --card-featured-border-color: #e59875;
  --card-featured-bg-color: #2d2d2d;
  --text-primary-color: #ffffff;
  --text-secondary-color: #d1d5db;
  /* Dark mode persona colors - neutral backgrounds with colored left borders */
  --persona-healthtech-bg: #2d2d2d;
  --persona-genai-bg: #2d2d2d;
  --persona-ml-bg: #2d2d2d;
}

/* Target welcome page container and parent elements */
.md-content__inner:has(.welcome-page-container) {
  padding: 0 !important;
  margin: 0 !important;
  max-width: none !important;
  background-color: var(--welcome-page-bg-color);
}

/* Ensure full-width background on welcome page */
.md-main:has(.welcome-page-container) {
  background-color: var(--welcome-page-bg-color);
}

.md-main__inner:has(.welcome-page-container) {
  max-width: none;
}

.md-content:has(.welcome-page-container) {
  max-width: none;
  background-color: var(--welcome-page-bg-color);
}

/* Main Container */
.welcome-page-container {
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: var(--welcome-page-bg-color);
}

/* Hero Section */
.welcome-page-container header {
  text-align: center;
  padding: 0 16px;
}

.welcome-title {
  margin-top: 80px !important;
  margin-bottom: 20px !important;
  font-weight: 700 !important;
  font-size: 3.25rem !important;
  color: var(--text-primary-color);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.welcome-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary-color);
  max-width: 640px;
  margin: 0 auto 32px auto;
  line-height: 1.6;
}

/* Explore/CTA Link */
.explore-link {
  text-align: center;
  margin: 40px 0 48px 0;
}

.explore-link a {
  display: inline-flex;
  align-items: center;
  padding: 16px 32px;
  background-color: var(--accent-color);
  color: #ffffff !important;
  text-decoration: none !important;
  border-radius: 10px;
  font-weight: 600;
  font-size: 1.1rem;
  transition: background-color 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 14px -4px rgba(229, 152, 117, 0.5);
}

.explore-link a:hover {
  background-color: #d4845f;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px -4px rgba(229, 152, 117, 0.6);
}

.explore-link .arrow {
  margin-left: 12px;
  font-size: 1.25rem;
  transition: transform 0.2s;
}

.explore-link a:hover .arrow {
  transform: translateX(3px);
}

/* Cards Section Wrapper */
.cards-section-wrapper {
  background-color: var(--cards-section-bg-color);
  width: 100%;
  padding: 0 0 72px 0;
}

/* First section (Choose Your Path) has distinct background */
.cards-section-wrapper section:first-child {
  background-color: var(--welcome-page-bg-color);
  padding-top: 40px;
  padding-bottom: 56px;
  margin-bottom: 0;
}

.cards-section-wrapper section {
  margin-bottom: 64px;
  padding: 56px 24px 0 24px;
}

.cards-section-wrapper section:last-child {
  margin-bottom: 0;
}

/* Section Titles */
.section-title {
  font-weight: 600;
  font-size: 1.35rem;
  text-align: center;
  margin-bottom: 36px !important;
  margin-top: 0;
  color: var(--text-primary-color);
  letter-spacing: -0.01em;
}

/* Card Grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin: 0 auto;
  max-width: 1000px;
}

.card-grid.two-col {
  grid-template-columns: repeat(2, 1fr);
  max-width: 650px;
}

/* Card Styles */
.card {
  background-color: var(--card-bg-color);
  border: 2px solid var(--card-border-color);
  border-radius: 16px;
  padding: 28px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  text-decoration: none !important;
  display: flex;
  flex-direction: column;
  min-height: fit-content;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px -6px rgba(0, 0, 0, 0.15);
}

/* Persona cards get larger padding */
.card.card-healthtech,
.card.card-genai,
.card.card-ml {
  padding: 36px;
}

/* Persona Cards with accent colors */
.card.card-healthtech {
  border-color: var(--persona-healthtech-border);
  background-color: var(--persona-healthtech-bg);
  position: relative;
}

.card.card-healthtech .card-icon svg path {
  fill: var(--persona-healthtech);
}

.card.card-genai {
  border-color: var(--persona-genai-border);
  background-color: var(--persona-genai-bg);
}

.card.card-genai .card-icon svg path {
  fill: var(--persona-genai);
}

.card.card-ml {
  border-color: var(--persona-ml-border);
  background-color: var(--persona-ml-bg);
}

.card.card-ml .card-icon svg path {
  fill: var(--persona-ml);
}

/* Featured Card (Primary Persona) */
.card.card-featured {
  border-color: var(--card-featured-border-color);
  background-color: var(--card-featured-bg-color);
  position: relative;
}

.card.card-featured::before {
  content: "Recommended";
  position: absolute;
  top: -14px;
  left: 24px;
  background-color: var(--accent-color);
  color: #ffffff;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 14px;
  box-shadow: 0 3px 10px -2px rgba(229, 152, 117, 0.5);
  letter-spacing: 0.01em;
}

/* Card Icon */
.card-icon {
  margin-bottom: 18px;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--cards-section-bg-color);
  border-radius: 14px;
}

/* Persona cards have white icon backgrounds */
.card.card-healthtech .card-icon,
.card.card-genai .card-icon,
.card.card-ml .card-icon {
  background-color: rgba(255, 255, 255, 0.7);
}

[data-md-color-scheme="slate"] .card.card-healthtech .card-icon,
[data-md-color-scheme="slate"] .card.card-genai .card-icon,
[data-md-color-scheme="slate"] .card.card-ml .card-icon {
  background-color: rgba(0, 0, 0, 0.2);
}

/* Dark mode: Remove full colored borders, use subtle left accent borders */
[data-md-color-scheme="slate"] .card.card-healthtech,
[data-md-color-scheme="slate"] .card.card-genai,
[data-md-color-scheme="slate"] .card.card-ml {
  border: 1px solid #404040;
  border-left: 3px solid;
}

[data-md-color-scheme="slate"] .card.card-healthtech {
  border-left-color: #e59875;
}

[data-md-color-scheme="slate"] .card.card-genai {
  border-left-color: #5c9ead;
}

[data-md-color-scheme="slate"] .card.card-ml {
  border-left-color: #7c6fb0;
}

/* Dark mode featured card styling */
[data-md-color-scheme="slate"] .card.card-featured {
  border: 1px solid #404040;
  border-left: 3px solid #e59875;
}

/* Dark mode text contrast - WCAG AAA compliance */
[data-md-color-scheme="slate"] .card-title,
[data-md-color-scheme="slate"] .card.card-healthtech .card-title,
[data-md-color-scheme="slate"] .card.card-genai .card-title,
[data-md-color-scheme="slate"] .card.card-ml .card-title {
  color: #ffffff;
}

[data-md-color-scheme="slate"] .card-description,
[data-md-color-scheme="slate"] .card.card-healthtech .card-description,
[data-md-color-scheme="slate"] .card.card-genai .card-description,
[data-md-color-scheme="slate"] .card.card-ml .card-description {
  color: #d1d5db;
}

/* Dark mode hero text - ensure high contrast */
[data-md-color-scheme="slate"] .welcome-title {
  color: #ffffff;
}

[data-md-color-scheme="slate"] .welcome-subtitle {
  color: #e5e7eb;
}

[data-md-color-scheme="slate"] .section-title {
  color: #ffffff;
}

.card-icon svg {
  width: 32px;
  height: 32px;
}

.card-icon svg path {
  fill: var(--accent-color);
}

/* Card Content */
.card-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-title {
  font-size: 1.15rem !important;
  font-weight: 600 !important;
  color: var(--text-primary-color);
  margin-bottom: 12px !important;
  margin-top: 0 !important;
  line-height: 1.3;
}

.card-description {
  font-size: 1rem;
  color: var(--text-secondary-color);
  line-height: 1.6;
  margin: 0;
  flex: 1;
}

/* Ensure persona card descriptions are fully visible */
.card.card-healthtech .card-description,
.card.card-genai .card-description,
.card.card-ml .card-description {
  font-size: 0.975rem;
  line-height: 1.55;
}

.card-cta {
  margin-top: 24px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent-color);
  display: inline-flex;
  align-items: center;
  transition: color 0.2s ease;
}

/* Persona-specific CTA colors */
.card.card-healthtech .card-cta { color: var(--persona-healthtech); }
.card.card-genai .card-cta { color: var(--persona-genai); }
.card.card-ml .card-cta { color: var(--persona-ml); }

.card-cta .arrow {
  margin-left: 8px;
  transition: transform 0.2s ease;
}

.card:hover .card-cta .arrow {
  transform: translateX(4px);
}

.card:hover .card-cta {
  opacity: 0.85;
}

/* Welcome Page Footer */
.welcome-page-footer {
  background-color: var(--welcome-page-bg-color);
  padding: 32px 16px;
  text-align: center;
}

.welcome-page-footer .badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.welcome-page-footer .badges img {
  height: 20px;
}

/* Mobile Responsive */
@media screen and (max-width: 76.2344em) {
  .card-grid,
  .card-grid.two-col {
    grid-template-columns: 1fr;
    gap: 24px;
    max-width: 100%;
    padding: 0 8px;
  }

  .cards-section-wrapper {
    padding: 0 0 48px 0;
  }

  .cards-section-wrapper section:first-child {
    padding-top: 40px;
    padding-bottom: 40px;
  }

  .cards-section-wrapper section {
    padding: 40px 16px 0 16px;
    margin-bottom: 0;
  }

  .card {
    padding: 24px;
  }

  .card.card-healthtech,
  .card.card-genai,
  .card.card-ml {
    padding: 28px;
  }

  .card-icon {
    width: 48px;
    height: 48px;
  }

  .card-icon svg {
    width: 28px;
    height: 28px;
  }

  .welcome-title {
    margin-top: 48px !important;
    font-size: 2rem !important;
  }

  .welcome-subtitle {
    font-size: 1.05rem;
  }

  .explore-link {
    margin: 28px 0 48px 0;
  }

  .explore-link a {
    padding: 14px 28px;
    font-size: 1rem;
  }

  .section-title {
    margin-top: 0;
    margin-bottom: 24px !important;
  }

  .card.card-featured::before {
    top: -12px;
    font-size: 0.75rem;
    padding: 5px 12px;
  }

  .card-description {
    font-size: 0.95rem;
  }

  .card-title {
    font-size: 1.1rem !important;
  }
}

/* Tablet breakpoint */
@media screen and (min-width: 48em) and (max-width: 76.2344em) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .card-grid.two-col {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================
   Cookbook Cards and Tags
   ============================================ */

/* Cookbook wrapper with grey background */
.cookbook-wrapper {
  background-color: var(--cards-section-bg-color);
  margin: 0 -0.8rem 1rem -0.8rem;
  padding: 32px 24px;
  border-radius: 12px;
}

/* Cookbook card grid - 2 columns for better readability */
.cookbook-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin: 0;
}

@media screen and (max-width: 76.2344em) {
  .cookbook-grid {
    grid-template-columns: 1fr;
  }
}

/* Cookbook card */
.cookbook-card {
  background-color: var(--md-default-bg-color);
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 12px;
  padding: 24px;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
  text-decoration: none !important;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.cookbook-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 16px -4px rgba(0, 0, 0, 0.1);
  border-color: var(--md-accent-fg-color);
}

.cookbook-card-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.cookbook-card-title {
  font-size: 1.1rem !important;
  font-weight: 600 !important;
  color: var(--md-default-fg-color);
  margin: 0 0 8px 0 !important;
  line-height: 1.3;
}

.cookbook-card-description {
  font-size: 0.9rem;
  color: var(--md-default-fg-color--light);
  line-height: 1.5;
  margin: 0 0 16px 0;
  flex: 1;
}

/* Tag container */
.cookbook-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

/* Base tag style */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

/* Persona tags */
.tag-healthtech {
  background-color: #fef3e7;
  color: #c76a15;
}

.tag-genai {
  background-color: #e8f4f8;
  color: #1976a2;
}

.tag-ml {
  background-color: #f3e8f8;
  color: #7b1fa2;
}

/* Feature tags */
.tag-gateway {
  background-color: #e8f5e9;
  color: #2e7d32;
}

.tag-pipeline {
  background-color: #fff3e0;
  color: #e65100;
}

.tag-interop {
  background-color: #e3f2fd;
  color: #1565c0;
}

.tag-sandbox {
  background-color: #fce4ec;
  color: #c2185b;
}

.tag-fhir {
  background-color: #f1f8e9;
  color: #558b2f;
}

.tag-cdshooks {
  background-color: #fff8e1;
  color: #ff8f00;
}

/* Dark mode tag adjustments */
[data-md-color-scheme="slate"] .tag-healthtech {
  background-color: #3d2d1f;
  color: #ffb74d;
}

[data-md-color-scheme="slate"] .tag-genai {
  background-color: #1a3a4a;
  color: #4fc3f7;
}

[data-md-color-scheme="slate"] .tag-ml {
  background-color: #2d1f3d;
  color: #ce93d8;
}

[data-md-color-scheme="slate"] .tag-gateway {
  background-color: #1b3d1f;
  color: #81c784;
}

[data-md-color-scheme="slate"] .tag-pipeline {
  background-color: #3d2a1a;
  color: #ffb74d;
}

[data-md-color-scheme="slate"] .tag-interop {
  background-color: #1a2d3d;
  color: #64b5f6;
}

[data-md-color-scheme="slate"] .tag-sandbox {
  background-color: #3d1a2a;
  color: #f48fb1;
}

[data-md-color-scheme="slate"] .tag-fhir {
  background-color: #2a3d1a;
  color: #aed581;
}

[data-md-color-scheme="slate"] .tag-cdshooks {
  background-color: #3d3a1a;
  color: #ffd54f;
}

[data-md-color-scheme="slate"] .cookbook-card {
  background-color: var(--md-default-bg-color);
  border-color: var(--md-default-fg-color--lightest);
}

/* Tag legend / filter bar */
.tag-legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  padding: 16px 20px;
  background-color: var(--md-default-bg-color);
  border-radius: 8px;
  border: 1px solid var(--md-default-fg-color--lightest);
}

.tag-legend-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--md-default-fg-color--light);
  margin-right: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Clickable filter tags */
.tag-filter {
  cursor: pointer;
  transition: transform 0.15s, opacity 0.15s, box-shadow 0.15s;
  user-select: none;
  opacity: 0.6;
}

.tag-filter:hover {
  transform: scale(1.05);
  opacity: 0.85;
}

.tag-filter.active {
  opacity: 1;
  box-shadow: 0 0 0 2px var(--md-default-bg-color), 0 0 0 4px currentColor;
}

/* Clear filter button */
.tag-clear {
  cursor: pointer;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.7rem;
  font-weight: 600;
  background-color: var(--md-default-fg-color--lightest);
  color: var(--md-default-fg-color--light);
  transition: background-color 0.15s;
  margin-left: auto;
}

.tag-clear:hover {
  background-color: var(--md-default-fg-color--lighter);
}

.tag-clear.hidden {
  display: none;
}

/* Card filtering states */
.cookbook-card.filtered-out {
  display: none;
}

.cookbook-card.filtered-in {
  animation: fadeIn 0.2s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* No results message */
.no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px 24px;
  color: var(--md-default-fg-color--light);
  font-size: 1rem;
}

.no-results.hidden {
  display: none;
}