/* ============================================================
   CausalRL Premium Theme - Masterpiece Design System
   ============================================================ */

/* ============================================================
   1. COLOR SYSTEM - Matching README Banner
   ============================================================ */
:root {
  /* Primary palette - luminous teal from banner */
  --crl-teal-50: #e6faf7;
  --crl-teal-100: #bfeee3;
  --crl-teal-200: #98f0dc;
  --crl-teal-300: #6ee4cd;
  --crl-teal-400: #4dd2bf;
  --crl-teal-500: #2a9d8f;
  --crl-teal-600: #21867a;
  --crl-teal-700: #1a5761;
  --crl-teal-800: #0f2330;
  --crl-teal-900: #0b1117;

  /* Secondary palette - warm gold accent */
  --crl-gold-200: #fbe5a8;
  --crl-gold-300: #f6c453;
  --crl-gold-400: #e5a91f;
  --crl-gold-500: #d4930a;

  /* Surface colors */
  --crl-surface-light: #f8fafb;
  --crl-surface-card: #ffffff;
  --crl-border-light: rgba(42, 157, 143, 0.15);
  --crl-shadow-light: 0 4px 20px rgba(42, 157, 143, 0.08);
  --crl-shadow-hover: 0 12px 40px rgba(42, 157, 143, 0.15);

  /* Gradients */
  --crl-gradient-hero: linear-gradient(135deg, #0b1117 0%, #0f2330 45%, #0d3b3f 100%);
  --crl-gradient-accent: linear-gradient(90deg, #4dd2bf, #98f0dc, #f6c453);
  --crl-gradient-card: linear-gradient(135deg, rgba(77, 210, 191, 0.05), rgba(246, 196, 83, 0.02));
  --crl-gradient-glow: radial-gradient(ellipse at center, rgba(77, 210, 191, 0.15), transparent 70%);

  /* Material overrides for light mode */
  --md-primary-fg-color: #2a9d8f;
  --md-primary-fg-color--light: #4dd2bf;
  --md-primary-fg-color--dark: #1a5761;
  --md-accent-fg-color: #f6c453;
  --md-accent-fg-color--transparent: rgba(246, 196, 83, 0.15);
}

/* Dark mode colors */
[data-md-color-scheme="slate"] {
  --crl-surface-light: #0f1419;
  --crl-surface-card: #161b22;
  --crl-border-light: rgba(77, 210, 191, 0.2);
  --crl-shadow-light: 0 4px 20px rgba(0, 0, 0, 0.3);
  --crl-shadow-hover: 0 12px 40px rgba(77, 210, 191, 0.1);

  --md-primary-fg-color: #4dd2bf;
  --md-primary-fg-color--light: #98f0dc;
  --md-primary-fg-color--dark: #2a9d8f;
  --md-accent-fg-color: #f6c453;

  --md-default-bg-color: #0d1117;
  --md-default-bg-color--light: #161b22;
}

/* ============================================================
   2. TYPOGRAPHY ENHANCEMENT
   ============================================================ */
.md-typeset {
  font-size: 0.85rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.md-typeset h1 {
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--md-default-fg-color);
  margin-bottom: 1rem;
}

.md-typeset h2 {
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-top: 2.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--crl-border-light);
}

.md-typeset h3 {
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--md-primary-fg-color);
}

/* ============================================================
   3. PREMIUM HERO SECTION
   ============================================================ */
.md-typeset .crl-hero {
  background: var(--crl-gradient-hero);
  border-radius: 24px;
  padding: 3rem 2.5rem;
  margin: -0.5rem -0.5rem 2rem -0.5rem;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(11, 17, 23, 0.4);
}

/* Animated glow orbs */
.md-typeset .crl-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(77, 210, 191, 0.15), transparent 60%);
  animation: heroGlow 8s ease-in-out infinite alternate;
  pointer-events: none;
}

.md-typeset .crl-hero::after {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 50%;
  height: 160%;
  background: radial-gradient(ellipse, rgba(246, 196, 83, 0.1), transparent 60%);
  animation: heroGlow 10s ease-in-out infinite alternate-reverse;
  pointer-events: none;
}

@keyframes heroGlow {
  0% { transform: translate(0, 0) scale(1); opacity: 0.6; }
  100% { transform: translate(30px, -20px) scale(1.1); opacity: 0.9; }
}

.md-typeset .crl-hero h1,
.md-typeset .crl-hero h2 {
  color: #fff !important;
  border: none;
  margin-top: 0;
  padding-bottom: 0;
  position: relative;
  z-index: 1;
}

.md-typeset .crl-hero h2 {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, #fff, #bfeee3);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.md-typeset .crl-hero .crl-hero-subtitle {
  font-size: 1.15rem;
  margin-bottom: 1.5rem;
  color: var(--crl-teal-200);
  position: relative;
  z-index: 1;
  font-weight: 400;
}

/* Hero buttons with glassmorphism */
.md-typeset .crl-hero .crl-hero-actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.md-typeset .crl-hero .crl-hero-actions a.md-button {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  border-radius: 50px;
  padding: 0.7rem 1.5rem;
  font-weight: 500;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-transform: none;
}

.md-typeset .crl-hero .crl-hero-actions a.md-button:hover {
  background: rgba(77, 210, 191, 0.3);
  border-color: var(--crl-teal-400);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(77, 210, 191, 0.25);
}

.md-typeset .crl-hero .crl-hero-actions a.md-button--primary {
  background: var(--crl-gradient-accent);
  background-size: 200% 100%;
  border: none;
  color: var(--crl-teal-900);
  font-weight: 600;
}

.md-typeset .crl-hero .crl-hero-actions a.md-button--primary:hover {
  background-position: 100% 0;
  box-shadow: 0 8px 30px rgba(246, 196, 83, 0.3);
}

/* ============================================================
   4. FEATURE CARDS GRID
   ============================================================ */
.md-typeset .grid.cards > ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  padding: 0;
  margin: 1.5rem 0;
}

.md-typeset .grid.cards > ul > li {
  background: var(--crl-surface-card);
  border: 1px solid var(--crl-border-light);
  border-radius: 16px;
  padding: 1.5rem;
  list-style: none;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.md-typeset .grid.cards > ul > li::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--crl-gradient-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.md-typeset .grid.cards > ul > li:hover {
  transform: translateY(-6px);
  box-shadow: var(--crl-shadow-hover);
  border-color: var(--crl-teal-400);
}

.md-typeset .grid.cards > ul > li:hover::before {
  transform: scaleX(1);
}

.md-typeset .grid.cards > ul > li strong {
  display: block;
  font-size: 1.05rem;
  color: var(--md-primary-fg-color);
  margin-bottom: 0.5rem;
}

[data-md-color-scheme="slate"] .md-typeset .grid.cards > ul > li {
  background: var(--crl-surface-card);
  border-color: rgba(77, 210, 191, 0.15);
}

[data-md-color-scheme="slate"] .md-typeset .grid.cards > ul > li:hover {
  background: linear-gradient(135deg, rgba(77, 210, 191, 0.08), rgba(246, 196, 83, 0.03));
}

/* ============================================================
   5. GALLERY ENHANCEMENT
   ============================================================ */
.md-typeset .crl-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.md-typeset .crl-gallery a {
  display: block;
  background: var(--crl-surface-card);
  border: 1px solid var(--crl-border-light);
  border-radius: 16px;
  padding: 0.5rem;
  overflow: hidden;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--crl-shadow-light);
}

.md-typeset .crl-gallery a:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--crl-shadow-hover);
  border-color: var(--crl-teal-400);
}

.md-typeset .crl-gallery img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.md-typeset .crl-gallery a:hover img {
  transform: scale(1.05);
}

/* ============================================================
   6. FIGURE STYLING
   ============================================================ */
.md-typeset figure.crl-figure {
  margin: 2rem 0;
  padding: 1rem;
  background: var(--crl-surface-card);
  border: 1px solid var(--crl-border-light);
  border-radius: 20px;
  box-shadow: var(--crl-shadow-light);
  overflow: hidden;
  transition: all 0.3s ease;
}

.md-typeset figure.crl-figure:hover {
  box-shadow: var(--crl-shadow-hover);
  border-color: var(--crl-teal-400);
}

.md-typeset figure.crl-figure img {
  width: 100%;
  height: auto;
  border-radius: 12px;
}

.md-typeset figure.crl-figure figcaption {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--crl-border-light);
  font-size: 0.9rem;
  color: var(--md-default-fg-color--light);
  text-align: center;
  font-style: italic;
}

/* ============================================================
   7. CODE BLOCKS ENHANCEMENT
   ============================================================ */
.md-typeset pre {
  border-radius: 12px;
  border: 1px solid var(--crl-border-light);
  box-shadow: var(--crl-shadow-light);
}

.md-typeset pre > code {
  border-radius: 12px;
}

.md-typeset code {
  border-radius: 6px;
  padding: 0.15em 0.4em;
  background: rgba(77, 210, 191, 0.1);
  color: var(--md-primary-fg-color--dark);
  font-size: 0.85em;
}

[data-md-color-scheme="slate"] .md-typeset code {
  background: rgba(77, 210, 191, 0.15);
  color: var(--crl-teal-200);
}

/* Copy button styling */
.md-clipboard {
  color: var(--crl-teal-400);
}

.md-clipboard:hover {
  color: var(--crl-gold-300);
}

/* ============================================================
   8. ADMONITIONS ENHANCEMENT
   ============================================================ */
.md-typeset .admonition {
  border-radius: 12px;
  border-left-width: 4px;
  box-shadow: var(--crl-shadow-light);
}

.md-typeset .admonition.note {
  border-color: var(--crl-teal-400);
}

.md-typeset .admonition.tip {
  border-color: var(--crl-gold-300);
}

.md-typeset .admonition-title {
  font-weight: 600;
}

/* ============================================================
   9. NAVIGATION ENHANCEMENTS
   ============================================================ */
.md-tabs__link {
  font-weight: 500;
  transition: all 0.2s ease;
}

.md-tabs__link--active,
.md-tabs__link:hover {
  color: var(--crl-teal-400) !important;
}

.md-nav__link:hover {
  color: var(--crl-teal-400);
}

.md-nav__link--active {
  color: var(--crl-teal-400) !important;
  font-weight: 600;
}

/* Sidebar styling */
.md-sidebar__scrollwrap {
  scrollbar-width: thin;
  scrollbar-color: var(--crl-teal-400) transparent;
}

/* ============================================================
   10. HEADER STYLING
   ============================================================ */
.md-header {
  background: rgba(11, 17, 23, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(77, 210, 191, 0.1);
}

[data-md-color-scheme="default"] .md-header {
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid var(--crl-border-light);
}

[data-md-color-scheme="default"] .md-header,
[data-md-color-scheme="default"] .md-tabs {
  color: #111 !important;
}

[data-md-color-scheme="default"] .md-header__title,
[data-md-color-scheme="default"] .md-header__topic,
[data-md-color-scheme="default"] .md-header__button,
[data-md-color-scheme="default"] .md-tabs__link,
[data-md-color-scheme="default"] .md-search__input,
[data-md-color-scheme="default"] .md-search__icon {
  color: #111 !important;
}

[data-md-color-scheme="default"] .md-tabs__link--active,
[data-md-color-scheme="default"] .md-tabs__link:hover,
[data-md-color-scheme="default"] .md-header__button:hover {
  color: #111 !important;
}

[data-md-color-scheme="default"] .md-header__button svg,
[data-md-color-scheme="default"] .md-tabs__link svg {
  fill: currentColor;
}

[data-md-color-scheme="default"] .md-search__input::placeholder {
  color: rgba(17, 17, 17, 0.6);
}

.md-header__button.md-logo {
  padding: 0.3rem;
}

.md-header__button.md-logo img,
.md-header__button.md-logo svg {
  height: 1.5rem;
  width: auto;
}

/* Search bar enhancement */
.md-search__form {
  border-radius: 50px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
}

.md-search__form:hover,
.md-search__form:focus-within {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--crl-teal-400);
}

[data-md-color-scheme="default"] .md-search__form {
  background: var(--crl-surface-light);
  border-color: var(--crl-border-light);
}

/* ============================================================
   11. BUTTONS GENERAL
   ============================================================ */
.md-typeset a.md-button {
  border-radius: 50px;
  text-transform: none;
  font-weight: 500;
  padding: 0.7rem 1.5rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 2px solid var(--md-primary-fg-color);
}

.md-typeset a.md-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(42, 157, 143, 0.2);
}

.md-typeset a.md-button--primary {
  background: var(--md-primary-fg-color);
  color: #fff;
  border-color: transparent;
}

.md-typeset a.md-button--primary:hover {
  background: var(--md-primary-fg-color--dark);
  box-shadow: 0 8px 25px rgba(42, 157, 143, 0.3);
}

/* ============================================================
   12. TABLE ENHANCEMENT
   ============================================================ */
.md-typeset table:not([class]) {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--crl-border-light);
  box-shadow: var(--crl-shadow-light);
}

.md-typeset table:not([class]) th {
  background: linear-gradient(135deg, var(--crl-teal-700), var(--crl-teal-800));
  color: #fff;
  font-weight: 600;
  padding: 1rem;
}

.md-typeset table:not([class]) td {
  padding: 0.85rem 1rem;
}

.md-typeset table:not([class]) tr:hover td {
  background: rgba(77, 210, 191, 0.05);
}

/* ============================================================
   13. IFRAME / REPORT PREVIEW
   ============================================================ */
.md-typeset .crl-report-frame {
  display: block;
  width: 100%;
  height: 80vh;
  min-height: 640px;
  border: 1px solid var(--crl-border-light);
  border-radius: 20px;
  background: var(--crl-surface-card);
  box-shadow: var(--crl-shadow-light);
  overflow: hidden;
}

/* ============================================================
   14. FOOTER
   ============================================================ */
.md-footer {
  background: var(--crl-teal-900);
  border-top: 1px solid rgba(77, 210, 191, 0.2);
}

.md-footer-meta {
  background: transparent;
}

/* ============================================================
   15. MOBILE RESPONSIVENESS
   ============================================================ */
@media screen and (max-width: 76.1875em) {
  .md-typeset .crl-hero {
    padding: 2rem 1.5rem;
    margin: -0.5rem -1rem 1.5rem -1rem;
    border-radius: 0;
  }

  .md-typeset .grid.cards > ul {
    grid-template-columns: 1fr;
  }

  .md-typeset .crl-gallery {
    grid-template-columns: 1fr 1fr;
  }
}

@media screen and (max-width: 44.9375em) {
  .md-typeset .crl-gallery {
    grid-template-columns: 1fr;
  }

  .md-typeset .crl-hero .crl-hero-actions {
    flex-direction: column;
  }

  .md-typeset .crl-hero .crl-hero-actions a.md-button {
    text-align: center;
  }
}

/* ============================================================
   16. SPECIAL ELEMENTS
   ============================================================ */

/* Version badge */
.md-typeset .crl-version-badge {
  display: inline-block;
  background: var(--crl-gradient-accent);
  color: var(--crl-teal-900);
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-left: 0.5rem;
}

/* Stats/highlight boxes */
.md-typeset .crl-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.md-typeset .crl-stats > div {
  text-align: center;
  padding: 1.5rem 1rem;
  background: var(--crl-surface-card);
  border: 1px solid var(--crl-border-light);
  border-radius: 16px;
}

.md-typeset .crl-stats strong {
  display: block;
  font-size: 2rem;
  background: var(--crl-gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Glowing accent line */
.md-typeset hr {
  border: none;
  height: 2px;
  background: var(--crl-gradient-accent);
  margin: 2rem 0;
  border-radius: 2px;
}

/* ============================================================
   17. SMOOTH SCROLLING & ANIMATIONS
   ============================================================ */
html {
  scroll-behavior: smooth;
}

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