/* Shared VP shell styles moved from Astro components/layouts */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--vp-c-bg);
  color: var(--vp-c-text-1);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  transition: background-color 0.3s, color 0.3s;
}

#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.Layout {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.VPContent {
  flex: 1;
  margin-left: 0;
  transition: margin 0.3s;
}

.VPContent.with-sidebar {
  margin-left: 240px;
}

.VPSkipLink {
  position: fixed;
  top: -40px;
  left: 16px;
  z-index: 99;
  padding: 8px 16px;
  border-radius: 4px;
  background-color: var(--vp-c-brand-1);
  color: white;
  text-decoration: none;
  font-weight: 500;
}

.VPSkipLink:focus {
  top: 16px;
}

.vp-mobile-sidebar-backdrop {
  display: none;
  position: fixed;
  top: 61px;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  border: 0;
  background: rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(1px);
  z-index: 70;
  cursor: pointer;
  padding: 0;
}

.vp-sidebar-mobile-trigger {
  display: none;
  position: fixed;
  left: 10px;
  top: 72px;
  z-index: 75;
  border: 1px solid var(--vp-c-divider);
  border-radius: 10px;
  background: var(--vp-c-bg-elv);
  color: var(--vp-c-text-1);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 10px;
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.16);
}

.vp-sidebar-mobile-trigger:hover {
  border-color: var(--vp-c-brand-1);
  color: var(--vp-c-brand-1);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Navbar */
.vp-nav {
  position: sticky;
  top: 0;
  z-index: 60;
  background-color: var(--vp-c-bg-elv);
  border-bottom: 1px solid var(--vp-c-divider);
  backdrop-filter: blur(8px);
}

.vp-nav-bar {
  padding: 0;
  height: 61px;
}

.vp-nav-wrapper {
  display: flex;
  justify-content: center;
  padding: 0 24px;
}

.vp-nav-container {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 14px;
  width: 100%;
  max-width: 1280px;
  height: 61px;
}

.vp-nav-title {
  flex: 0 1 auto;
  min-width: 0;
}

.vp-nav-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 18px;
  color: var(--vp-c-text-1);
  transition: opacity 0.25s;
}

.vp-nav-brand:hover {
  opacity: 0.6;
}

.vp-nav-icon-img {
  width: 30px;
  height: 30px;
  display: inline-block;
  object-fit: contain;
}

.vp-nav-brand-text {
  color: var(--vp-c-brand-1);
}

.vp-nav-content {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  flex: 1 1 auto;
  min-width: 0;
}

.vp-nav-body {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex: 1 1 auto;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.vp-nav-body::-webkit-scrollbar {
  display: none;
}

.vp-nav-menu {
  display: flex;
  gap: 18px;
  align-items: center;
  flex-wrap: nowrap;
  white-space: nowrap;
}

.vp-nav-menu-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 8px 0;
  color: var(--vp-c-text-1);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  transition: color 0.25s;
}

.vp-nav-menu-link-content {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.vp-nav-link-icon {
  width: 16px;
  height: 16px;
  color: currentColor;
  opacity: 0.92;
}

.vp-nav-menu-link:hover {
  color: var(--vp-c-brand-1);
}

.vp-nav-menu-link.active {
  color: var(--vp-c-brand-1);
}

.vp-nav-menu-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--vp-c-brand-1);
}

.vp-nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.vp-theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 1px solid var(--vp-c-divider);
  border-radius: 6px;
  background-color: transparent;
  cursor: pointer;
  font-size: 18px;
  line-height: 0;
  transition: all 0.2s;
}

.vp-theme-toggle:hover {
  background-color: var(--vp-c-bg-alt);
  border-color: var(--vp-c-brand-1);
}

.vp-theme-icon {
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
  color: currentColor;
}

.vp-theme-icon-sun {
  display: none;
}

[data-theme='dark'] .vp-theme-icon-moon {
  display: none;
}

[data-theme='dark'] .vp-theme-icon-sun {
  display: inline;
}

.vp-nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 4px;
  border: none;
  background: none;
  cursor: pointer;
}

.vp-hamburger-line {
  width: 24px;
  height: 2px;
  background-color: var(--vp-c-text-1);
  border-radius: 1px;
  transition: all 0.3s;
}

.vp-nav-divider {
  height: 1px;
  background: linear-gradient(to right, var(--vp-c-divider), transparent);
}

.vp-mobile-nav-panel {
  display: none;
}

.vp-nav-hamburger[aria-expanded='true'] .vp-hamburger-line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.vp-nav-hamburger[aria-expanded='true'] .vp-hamburger-line:nth-child(2) {
  opacity: 0;
}

.vp-nav-hamburger[aria-expanded='true'] .vp-hamburger-line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Footer */
.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  text-align: center;
  gap: 5px 10px;
  padding: 10px 15px;
  margin-top: 25px;
  border-top: 1px solid var(--border-color, var(--vp-c-divider));
  font-size: 12px;
  color: var(--text-muted, var(--vp-c-text-3));
}

.site-footer a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

.site-footer a:hover {
  color: var(--primary-color, var(--vp-c-brand-1));
  text-decoration: underline;
}

.site-footer-sep {
  color: var(--border-color, var(--vp-c-divider));
}

@media (max-width: 960px) {
  .VPContent {
    margin-left: 0;
  }

  .VPContent.with-sidebar {
    margin-left: 0;
  }

  .vp-sidebar-mobile-trigger {
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }

  html.vp-mobile-sidebar-open,
  html.vp-mobile-nav-open,
  html.vp-mobile-sidebar-open body,
  html.vp-mobile-nav-open body {
    overflow: hidden;
  }

  html.vp-mobile-sidebar-open .vp-mobile-sidebar-backdrop {
    display: block;
  }

  .vp-nav {
    z-index: 90;
  }

  .vp-nav-hamburger {
    display: flex;
    margin-left: auto;
  }

  .vp-nav-content {
    display: none;
  }

  .vp-mobile-nav-panel {
    display: block;
    max-height: 0;
    overflow: hidden;
    border-top: 1px solid transparent;
    background: var(--vp-c-bg-elv);
    transition: max-height 0.25s ease, border-color 0.25s ease;
  }

  html.vp-mobile-nav-open .vp-mobile-nav-panel {
    max-height: 80vh;
    border-top-color: var(--vp-c-divider);
  }

  .vp-mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 8px 14px;
  }

  .vp-mobile-nav-link {
    display: block;
    padding: 12px 10px;
    color: var(--vp-c-text-1);
    text-decoration: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 500;
  }

  .vp-mobile-nav-link-content {
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }

  .vp-mobile-nav-link-icon {
    width: 16px;
    height: 16px;
    color: currentColor;
    opacity: 0.94;
  }

  .vp-mobile-nav-link:hover,
  .vp-mobile-nav-link.active {
    color: var(--vp-c-brand-1);
    background: color-mix(in srgb, var(--vp-c-brand-1) 14%, transparent);
  }

  .vp-mobile-nav-theme-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 24px 16px;
    border-top: 1px dashed var(--vp-c-divider);
  }

  .vp-mobile-nav-theme-label {
    font-size: 13px;
    color: var(--vp-c-text-2);
    text-transform: uppercase;
    letter-spacing: 0.4px;
  }

  .vp-theme-toggle-mobile {
    width: 38px;
    height: 38px;
  }

  .vp-nav-brand-text {
    display: inline;
  }
}

/* Sidebar */
.vp-sidebar {
  position: fixed;
  top: 61px;
  left: 0;
  bottom: 0;
  width: 240px;
  background-color: var(--vp-c-bg-alt);
  border-right: 1px solid var(--vp-c-divider);
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 50;
}

.vp-sidebar-content {
  padding: 24px 0;
}

.vp-sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.vp-sidebar-title {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px 8px;
  font-weight: 600;
  color: var(--vp-c-text-1);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 12px;
  margin-top: 8px;
}

.vp-sidebar-items {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.vp-sidebar-toggle-btn {
  margin: 4px 16px 12px;
  padding: 10px 12px;
  border: 1px solid var(--vp-c-divider);
  border-radius: 8px;
  background-color: var(--vp-c-bg);
  color: var(--vp-c-text-2);
  text-align: left;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}

.vp-sidebar-toggle-btn:hover {
  color: var(--vp-c-text-1);
  border-color: var(--vp-c-brand-1);
}

.vp-sidebar-toggle-btn.is-active {
  color: var(--vp-c-brand-1);
  border-color: var(--vp-c-brand-1);
  background-color: rgba(123, 197, 228, 0.12);
}

.vp-favorite-hidden {
  display: none;
}

.vp-sidebar-search-wrap {
  margin: 6px 16px 8px;
}

.vp-sidebar-search-input {
  width: 100%;
  height: 36px;
  padding: 8px 10px;
  border: 1px solid var(--vp-c-divider);
  border-radius: 8px;
  background-color: var(--vp-c-bg);
  color: var(--vp-c-text-1);
  font-size: 13px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.vp-sidebar-search-input:focus {
  border-color: var(--vp-c-brand-1);
  box-shadow: 0 0 0 2px rgba(123, 197, 228, 0.18);
}

.vp-sidebar-search-input::placeholder {
  color: var(--vp-c-text-3);
}

.vp-sidebar-item-link.vp-sidebar-search-hidden {
  display: none;
}

.vp-sidebar-section {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.vp-sidebar-section-title {
  padding: 12px 16px 6px;
  font-size: 11px;
  letter-spacing: 0.5px;
  color: var(--vp-c-text-3);
  text-transform: uppercase;
  font-weight: 600;
}

.vp-sidebar-item-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px 8px 32px;
  color: var(--vp-c-text-2);
  text-decoration: none;
  font-size: 14px;
  transition: all 0.2s;
}

.vp-sidebar-item-content {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.vp-sidebar-link-icon {
  width: 14px;
  height: 14px;
  color: currentColor;
  opacity: 0.9;
  flex-shrink: 0;
}

.vp-sidebar-item-link:hover {
  color: var(--vp-c-text-1);
  background-color: rgba(123, 197, 228, 0.1);
}

.vp-sidebar-item-link.active {
  color: var(--vp-c-brand-1);
  background-color: rgba(123, 197, 228, 0.15);
  font-weight: 500;
  border-left: 3px solid var(--vp-c-brand-1);
  padding-left: 29px;
}

/* Hero */
.vp-hero {
  margin: 0;
  padding: 96px 32px;
  text-align: center;
}

.vp-hero.has-image {
  padding: 96px 32px 96px;
}

.vp-hero-container {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.vp-hero.has-image .vp-hero-container {
  grid-template-columns: 1fr 1fr;
}

.vp-hero-main {
  text-align: left;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.vp-hero-title {
  font-size: 56px;
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 32px;
  color: var(--vp-c-text-1);
}

.vp-hero-title-text {
  background: linear-gradient(120deg, var(--vp-c-brand-1) 0%, var(--vp-c-brand-2) 50%, var(--vp-c-brand-1) 100%);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.clip {
  display: inline-block;
}

.vp-hero-tagline {
  font-size: 24px;
  font-weight: 500;
  color: var(--vp-c-text-2);
  margin: 0 0 24px;
  line-height: 1.4;
}

.vp-hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.vp-hero-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  transition: all 0.2s;
  white-space: nowrap;
}

.vp-button-brand {
  background-color: var(--vp-c-brand-1);
  color: white;
  border: 1px solid transparent;
}

.vp-button-brand:hover {
  background-color: var(--vp-c-brand-2);
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(123, 197, 228, 0.2);
}

.vp-button-alt {
  background-color: var(--vp-c-bg-alt);
  color: var(--vp-c-text-1);
  border: 2px solid var(--vp-c-brand-1);
}

.vp-button-alt:hover {
  background-color: var(--vp-c-brand-1);
  color: white;
}

.vp-hero-image {
  display: flex;
  justify-content: center;
}

.vp-hero-image-container {
  position: relative;
  width: 100%;
  max-width: 320px;
}

.vp-hero-image-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, var(--vp-c-brand-1), transparent 60%);
  opacity: 0.1;
  border-radius: 50%;
  filter: blur(40px);
}

.vp-hero-image-src {
  position: relative;
  display: block;
  width: 100%;
  max-width: 320px;
  margin: 0 auto;
  border-radius: 16px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Features */
.vp-features {
  position: relative;
  padding: 64px 32px;
  background: linear-gradient(to bottom, transparent, rgba(123, 197, 228, 0.03));
}

.vp-features-container {
  max-width: 1280px;
  margin: 0 auto;
}

.vp-features-title {
  text-align: center;
  font-size: 32px;
  font-weight: 700;
  margin: 0 0 48px;
  color: var(--vp-c-text-1);
}

.vp-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
}

.vp-feature-item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px;
  border-radius: 12px;
  background-color: var(--vp-c-bg-alt);
  border: 1px solid var(--vp-c-divider);
  transition: all 0.3s ease;
}

.vp-feature-link {
  display: contents;
  text-decoration: none;
}

.vp-feature-item:hover {
  background-color: var(--vp-c-bg);
  border-color: var(--vp-c-brand-1);
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(123, 197, 228, 0.15);
}

.vp-feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  font-size: 32px;
  background: linear-gradient(135deg, var(--vp-c-brand-soft), var(--vp-c-brand-1));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.vp-feature-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--vp-c-text-1);
  margin: 0;
}

.vp-feature-details {
  font-size: 14px;
  color: var(--vp-c-text-2);
  margin: 0;
  line-height: 1.5;
}

@media (max-width: 768px) {
  .vp-hero {
    padding: 64px 32px;
  }

  .vp-hero-container {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .vp-hero-main {
    text-align: center;
  }

  .vp-hero-title {
    font-size: 42px;
  }

  .vp-hero-tagline {
    font-size: 18px;
  }

  .vp-hero-actions {
    justify-content: center;
  }

  .vp-features {
    padding: 48px 16px;
  }

  .vp-features-title {
    font-size: 24px;
    margin-bottom: 32px;
  }

  .vp-features-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
  }

  .vp-feature-item {
    padding: 16px;
  }
}

@media (max-width: 480px) {
  .vp-hero {
    padding: 48px 16px;
  }

  .vp-hero-title {
    font-size: 32px;
  }

  .vp-hero-tagline {
    font-size: 16px;
  }
}

@media (max-width: 960px) {
  .vp-sidebar {
    display: block;
    width: min(86vw, 320px);
    max-width: 320px;
    transform: translateX(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.25s ease, opacity 0.25s ease, visibility 0.25s ease;
    box-shadow: 0 16px 38px rgba(0, 0, 0, 0.28);
    z-index: 80;
  }

  html.vp-mobile-sidebar-open .vp-sidebar {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
  }
}