@font-face {
  font-family: 'classy';
  src: url('https://vkfonts.storage.googleapis.com/classy.woff2') format('woff2');
  font-weight: normal;
  font-style: normal;
}
:root {
  --bg: #000000;
  --bg2: #171717;
  --s1: #181c1f;
  --s2: #272727;
  --s3: #171717;
  --s4: #272727;
  --txt: #cacaca;
  --txt2: #cacaca;
  --muted: #cacaca;
  --bd: rgba(202, 202, 202, 0.1);
  --bd2: rgba(202, 202, 202, 0.2);
  --bd3: rgba(202, 202, 202, 0.3);
  --acc: #00c28a;
  --acc2: #00c28a;
  --acc-g: linear-gradient(135deg, #00c28a 0%, #00a8b8 100%);
  --acc-d: rgba(0, 194, 138, 0.11);
  --green: #00c28a;
  --amber: #cacaca;
  --red: #cacaca;
  --cyan: #00c28a;
  --glass-bg: rgba(24, 28, 31, 0.45);
  --glass-bd: rgba(255, 255, 255, 0.08);
  --font: 'classy', sans-serif;
  --mono: 'Source Code Pro', monospace;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --t: 0.18s cubic-bezier(0.2, 0.8, 0.2, 1);
  --topbar-h: 64px;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
html {
  scroll-behavior: smooth;
  color-scheme: dark;
}
::selection {
  background: rgba(0, 194, 138, 0.22);
  color: var(--txt);
}
a:not(.hero-cta):not(.topbar-item) {
  text-decoration: underline dashed;
  text-underline-offset: 4px;
  color: inherit;
}
a:not(.hero-cta):not(.topbar-item):hover {
  text-decoration: underline dashed;
  text-underline-offset: 4px;
}
::-webkit-scrollbar {
  width: 3px;
  height: 3px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--s4);
  border-radius: 999px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--bd3);
}
body {
  font-family: var(--font);
  background: var(--bg);
  background-attachment: fixed;
  color: var(--txt);
  line-height: 1.7;
  font-size: 14px;
  font-weight: normal;
  min-height: 100vh;
  max-width: 900px;
  margin: 0 auto;
  padding: calc(var(--topbar-h) + 36px) 24px 60px;
}
.topbar {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  height: var(--topbar-h);
  background: #181c1f;
  border: 1px solid var(--glass-bd);
  border-radius: 999px;
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45), 0 2px 8px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  padding: 8px 12px;
  gap: 2px;
  white-space: nowrap;
}
.topbar-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-width: 68px;
  height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none !important;
  color: var(--muted);
  cursor: pointer;
  transition: background var(--t), color var(--t), border-color var(--t);
  font-family: var(--font);
  font-size: 9px;
  letter-spacing: 0.02em;
  user-select: none;
}
.topbar-item .material-symbols-rounded {
  font-size: 20px;
  font-variation-settings: 'FILL' 0, 'wght' 300, 'GRAD' 0, 'opsz' 24;
  line-height: 1;
  transition: font-variation-settings var(--t);
}
.topbar-label {
  line-height: 1;
}
.topbar-item:hover {
  color: var(--txt);
}
.topbar-item.active {
  color: var(--acc);
  background: var(--acc-d);
  border-color: var(--bd2);
  box-shadow: inset 2px 2px 6px rgba(0, 0, 0, 0.25), inset -1px -1px 4px rgba(255, 255, 255, 0.04);
}
.topbar-item.active .material-symbols-rounded {
  font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}
.hero {
  padding: 48px 0 40px;
  text-align: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 16px;
  border-radius: 20px;
  border: 1px solid var(--glass-bd);
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  font-size: 12px;
  color: var(--txt2);
  margin-bottom: 28px;
}
.hero-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--acc);
  animation: pulse 2.5s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.3;
  }
}
.hero h1 {
  font-size: 42px;
  font-weight: normal;
  letter-spacing: -2px;
  margin-bottom: 16px;
  line-height: 1.1;
  color: var(--txt);
}
.hero h1 .accent {
  background: var(--acc-g);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 16px;
  font-weight: normal;
  color: var(--txt2);
  max-width: 500px;
  margin: 0 auto 36px;
  line-height: 1.6;
}
.welcome-card {
  background: var(--glass-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-bd);
  border-radius: var(--radius-lg);
  padding: 32px 36px;
  text-align: center;
  margin: 0 0 32px;
}
.welcome-card .welcome-icon {
  font-size: 40px;
  color: var(--acc);
  font-variation-settings: 'FILL' 1, 'wght' 300, 'GRAD' 0, 'opsz' 48;
  margin-bottom: 14px;
  display: block;
}
.welcome-card h2 {
  font-size: 22px;
  font-weight: normal;
  letter-spacing: -0.5px;
  color: var(--txt);
  margin-bottom: 10px;
}
.welcome-card p {
  font-size: 14px;
  color: var(--txt2);
  margin-bottom: 24px;
  line-height: 1.6;
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  font-family: var(--font);
  font-weight: normal;
  font-size: 14px;
  cursor: pointer;
  transition: all var(--t);
  text-decoration: none !important;
  color: var(--txt);
  transform: translateY(-2px);
  background: var(--s2);
  border: 1px solid var(--bd3);
}
.hero-cta:hover {
  color: var(--acc);
  transform: translateY(0);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-color: var(--glass-bd);
}
.hero-cta .material-symbols-rounded {
  font-size: 18px;
  font-variation-settings: 'FILL' 0, 'wght' 300, 'GRAD' 0, 'opsz' 20;
  flex-shrink: 0;
}
.demo-section {
  margin: 40px 0;
}
.code-block {
  background: var(--glass-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-bd);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.code-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--glass-bd);
  background: rgba(23, 23, 23, 0.4);
}
.code-header .dots {
  display: flex;
  gap: 6px;
}
.code-header .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #cacaca;
}
.code-header .filename {
  font-size: 12px;
  font-weight: normal;
  color: var(--muted);
  margin-left: 8px;
}
.code-body {
  padding: 20px 24px;
  overflow-x: auto;
}
.code-body pre {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: normal;
  line-height: 1.8;
  color: var(--txt);
  white-space: pre;
}
.code-body .comment {
  color: var(--txt2);
}
.code-body .func {
  color: var(--acc);
}
.code-body .arg {
  color: var(--txt2);
}
.code-body .str {
  color: var(--acc);
}
.code-body .num {
  color: var(--txt2);
}
.code-body .kw {
  color: var(--acc);
}
.code-body .result {
  color: var(--acc);
}
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 40px 0;
}
.feature-card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-bd);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: border-color var(--t), transform var(--t);
}
.feature-card:hover {
  border-color: var(--bd2);
  transform: translateY(-3px);
  background: var(--s2);
}
.feature-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--s1);
  border: 1px solid var(--bd2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  color: var(--acc);
}
.feature-icon .material-symbols-rounded {
  font-size: 20px;
  font-variation-settings: 'FILL' 1, 'wght' 300, 'GRAD' 0, 'opsz' 24;
}
.feature-card h3 {
  font-size: 14px;
  font-weight: normal;
  margin-bottom: 8px;
  color: var(--acc);
}
.feature-card p {
  font-size: 13px;
  font-weight: normal;
  color: var(--txt2);
  line-height: 1.6;
}
.sec-label {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--acc);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}
.sec-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--bd2), transparent);
}
.page-section {
  animation: fadeIn 0.35s ease;
}
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.page-header {
  padding: 20px 0 30px;
  border-bottom: 1px solid var(--bd2);
  margin-bottom: 32px;
}
.page-header h1 {
  font-size: 28px;
  font-weight: normal;
  letter-spacing: -0.8px;
  margin-bottom: 8px;
  background: var(--acc-g);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.page-header p {
  color: var(--txt2);
  font-size: 14px;
  font-weight: normal;
}
.page-content h2 {
  font-size: 18px;
  font-weight: normal;
  margin: 32px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--bd2);
  color: var(--acc);
}
.page-content h3 {
  font-size: 15px;
  font-weight: normal;
  margin: 24px 0 10px;
  background: var(--acc-g);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.page-content p {
  color: var(--txt2);
  font-weight: normal;
  margin-bottom: 14px;
  font-size: 14px;
  line-height: 1.7;
}
.page-content strong {
  color: var(--acc);
  font-weight: normal;
}
.page-content ul, .page-content ol {
  margin: 0 0 16px 20px;
  color: var(--txt2);
  font-size: 14px;
  font-weight: normal;
}
.page-content li {
  margin-bottom: 8px;
  line-height: 1.6;
}
.page-content a:not(.hero-cta) {
  color: var(--acc);
  cursor: pointer;
}
.page-content code {
  background: var(--s2);
  border: 1px solid var(--bd2);
  padding: 2px 8px;
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: normal;
  color: var(--acc);
}
.page-content pre {
  background: var(--s2);
  border: 1px solid var(--bd2);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  overflow-x: auto;
  margin: 16px 0;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: normal;
  color: var(--txt2);
}
.page-content .last-updated {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--bd2);
  font-size: 12px;
  font-weight: normal;
  color: var(--muted);
}
.setup-steps {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 24px 0;
}
.step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-bd);
  border-radius: var(--radius-md);
  transition: border-color var(--t), background var(--t);
}
.step:hover {
  border-color: var(--bd2);
  background: var(--s2);
}
.step-num {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--s1);
  border: 1px solid var(--bd2);
  color: var(--acc);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: normal;
  flex-shrink: 0;
}
.step-body h4 {
  font-size: 14px;
  font-weight: normal;
  margin-bottom: 6px;
  color: var(--acc);
}
.step-body p {
  font-size: 13px;
  font-weight: normal;
  color: var(--txt2);
  margin: 0;
  line-height: 1.6;
}
footer {
  border-top: 1px solid var(--glass-bd);
  padding: 32px 24px;
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  font-weight: normal;
}
@media (max-width: 768px) {
 .features, .support-grid {
   grid-template-columns: 1fr;
 }
 .hero h1 {
   font-size: 28px;
 }
 .topbar-item {
   min-width: 46px;
   padding: 0 10px;
   font-size: 8px;
 }
}
@media (prefers-reduced-motion: reduce) {
 *, *::before, *::after {
   animation-duration: 0.01ms !important;
   transition-duration: 0.01ms !important;
 }
}
.topbar {
  padding: 8px 14px;
  gap: 6px;
}
.topbar-item {
  min-width: 72px;
  height: 46px;
  padding: 0 16px;
}
@media (max-width: 768px) {
 .topbar-item {
   min-width: 52px;
   padding: 0 12px;
   font-size: 8px;
 }
}
