/* ===== Google Fonts for Chinese Support ===== */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700&display=swap');

/* ===== CSS Variables ===== */
:root {
  --md-primary-fg-color: #009688;
  --md-primary-fg-color--light: #4DB6AC;
  --md-primary-fg-color--dark: #00796B;
}

/* ===== Base Styles ===== */
body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.md-typeset {
  font-size: 16px;
  line-height: 1.7;
}

code, pre, .md-typeset code {
  font-family: 'JetBrains Mono', Consolas, monospace !important;
}

.md-content {
  animation: fadeIn 0.5s ease-out;
}

/* ===== Animations ===== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ===== Hero Section ===== */
.md-hero {
  animation: fadeInUp 0.8s ease-out;
  background: linear-gradient(135deg, rgba(0, 150, 136, 0.08) 0%, rgba(0, 150, 136, 0.03) 100%);
  border-radius: 16px;
  margin-bottom: 2rem;
}

.md-hero__inner {
  border-radius: 16px !important;
  padding: 3rem 2rem !important;
}

.md-hero__title {
  font-size: 2.5rem !important;
  font-weight: 700 !important;
  background: linear-gradient(135deg, var(--md-primary-fg-color), var(--md-primary-fg-color--dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.md-hero__subtitle {
  font-size: 1.1rem !important;
  color: #546E7A !important;
}

/* ===== Pattern Cards (Custom Grid) ===== */
.patterns-grid {
  animation: fadeIn 0.6s ease-out;
}

/* ===== Compare Table ===== */
.compare-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 1.5rem 0;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  animation: fadeInUp 0.5s ease-out;
}

.compare-table th {
  background: var(--md-primary-fg-color) !important;
  color: white !important;
  padding: 1rem 1.25rem !important;
  text-align: left !important;
  font-weight: 600;
  border: none !important;
}

.compare-table td {
  padding: 0.875rem 1.25rem !important;
  border-bottom: 1px solid var(--md-typeset-table-border-color) !important;
  border: none !important;
}

.compare-table tr:last-child td {
  border-bottom: none !important;
}

.compare-table tr:hover td {
  background: rgba(0, 150, 136, 0.04) !important;
}

.compare-table a {
  color: var(--md-primary-fg-color) !important;
  text-decoration: none;
  font-weight: 500;
}

.compare-table a:hover {
  text-decoration: underline;
}

/* ===== Guide Banner ===== */
.guide-banner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
  animation: fadeInUp 0.6s ease-out;
}

.guide-card {
  background: linear-gradient(135deg, rgba(0, 150, 136, 0.08), rgba(0, 150, 136, 0.03));
  border: 1px solid rgba(0, 150, 136, 0.2);
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  transition: all 0.3s ease;
  color: inherit;
}

.guide-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 150, 136, 0.15);
  border-color: var(--md-primary-fg-color);
  color: inherit;
}

.guide-card h3 {
  margin: 0 0 0.5rem 0 !important;
  color: var(--md-primary-fg-color) !important;
}

.guide-card p {
  margin: 0 !important;
  font-size: 0.9rem;
  color: #607D8B;
}

/* ===== Navigation ===== */
.md-nav {
  animation: slideInLeft 0.4s ease-out;
}

.md-nav__item {
  animation: fadeIn 0.3s ease-out backwards;
}

.md-nav__link {
  transition: all 0.2s ease !important;
  border-radius: 8px !important;
}

.md-nav__link:hover {
  background: rgba(0, 150, 136, 0.08) !important;
}

/* ===== Code Blocks ===== */
.md-typeset code {
  border-radius: 6px;
  transition: all 0.2s ease;
  background: rgba(0, 150, 136, 0.08) !important;
  padding: 0.2em 0.4em !important;
}

pre {
  border-radius: 12px !important;
  border: 1px solid var(--md-typeset-table-border-color);
  animation: fadeIn 0.4s ease-out;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

pre code {
  background: transparent !important;
  padding: 0 !important;
}

/* ===== Tables (Override default) ===== */
.md-typeset table {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

/* ===== Admonitions ===== */
.admonition {
  border-radius: 12px !important;
  border-left: 4px solid var(--md-primary-fg-color);
  animation: fadeInUp 0.4s ease-out;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06) !important;
}

/* ===== Search ===== */
.md-search__input {
  border-radius: 24px !important;
  transition: all 0.3s ease !important;
  border: 2px solid transparent !important;
}

.md-search__input:focus {
  border-color: var(--md-primary-fg-color) !important;
  box-shadow: 0 0 0 4px rgba(0, 150, 136, 0.15) !important;
}

/* ===== Footer ===== */
.md-footer {
  animation: fadeIn 0.6s ease-out;
  background: linear-gradient(135deg, rgba(0, 150, 136, 0.05), rgba(0, 150, 136, 0.02));
}

/* ===== Mermaid Diagrams ===== */
.mermaid {
  background: var(--md-background-bg-color);
  border-radius: 16px;
  padding: 2rem;
  margin: 2rem 0;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  animation: fadeIn 0.6s ease-out;
  border: 1px solid rgba(0, 150, 136, 0.1);
}

/* ===== Headings ===== */
.md-typeset h1 {
  font-weight: 700 !important;
  color: var(--md-primary-fg-color--dark);
}

.md-typeset h2 {
  font-weight: 600 !important;
  border-bottom: 2px solid rgba(0, 150, 136, 0.2);
  padding-bottom: 0.5rem;
  margin-top: 2rem !important;
}

.md-typeset h3 {
  font-weight: 600 !important;
  color: var(--md-primary-fg-color);
}

/* ===== Links ===== */
.md-content a {
  color: var(--md-primary-fg-color);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: all 0.2s ease;
}

.md-content a:hover {
  border-bottom-color: var(--md-primary-fg-color);
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--md-background-bg-color);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, var(--md-primary-fg-color), var(--md-primary-fg-color--light));
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--md-primary-fg-color--dark);
}

/* ===== Selection ===== */
::selection {
  background: rgba(0, 150, 136, 0.2);
  color: inherit;
}

/* ===== Quick Start Section ===== */
.quickstart {
  background: linear-gradient(135deg, rgba(0, 150, 136, 0.06), rgba(0, 150, 136, 0.02));
  border: 1px solid rgba(0, 150, 136, 0.15);
  border-radius: 16px;
  padding: 2rem;
  margin: 2rem 0;
}

/* ===== Responsive ===== */
@media screen and (max-width: 768px) {
  .md-hero__title {
    font-size: 1.8rem !important;
  }

  .patterns-grid {
    grid-template-columns: 1fr !important;
  }

  .guide-banner {
    grid-template-columns: 1fr !important;
  }
}