@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;600&display=swap");

:root {
  --bg: #f7f8fc;
  --panel: rgba(255, 255, 255, 0.86);
  --panel-solid: #ffffff;
  --sidebar: rgba(255, 255, 255, 0.95);
  --text: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --primary: #7c3aed;
  --primary-soft: #ede9fe;
  --primary-dark: #5b21b6;
  --accent: #06b6d4;
  --code-bg: #0f172a;
  --shadow: 0 24px 80px rgba(15, 23, 42, 0.08);
}

[data-theme="dark"] {
  --bg: #070b17;
  --panel: rgba(17, 24, 39, 0.78);
  --panel-solid: #111827;
  --sidebar: rgba(10, 15, 31, 0.96);
  --text: #e5e7eb;
  --muted: #9ca3af;
  --border: rgba(255, 255, 255, 0.1);
  --primary: #a78bfa;
  --primary-soft: rgba(124, 58, 237, 0.18);
  --primary-dark: #c4b5fd;
  --accent: #22d3ee;
  --code-bg: #020617;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, system-ui, sans-serif;
  background:
    radial-gradient(circle at 20% 0%, rgba(124, 58, 237, 0.16), transparent 30%),
    radial-gradient(circle at 90% 20%, rgba(6, 182, 212, 0.15), transparent 28%),
    var(--bg);
  color: var(--text);
  line-height: 1.65;
}

a {
  text-decoration: none;
  color: inherit;
}

code {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.92em;
}

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: 310px;
  padding: 24px;
  background: var(--sidebar);
  border-right: 1px solid var(--border);
  backdrop-filter: blur(22px);
  overflow-y: auto;
  z-index: 50;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}

.logo {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  color: white;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 14px 34px rgba(124, 58, 237, 0.35);
}

.brand h1 {
  margin: 0;
  font-size: 18px;
}

.brand p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.search {
  margin-bottom: 22px;
}

.search input {
  width: 100%;
  height: 44px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: 14px;
  outline: none;
  background: var(--panel-solid);
  color: var(--text);
  font: inherit;
}

nav {
  display: grid;
  gap: 4px;
}

.nav-title {
  margin: 18px 0 6px 10px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.09em;
}

nav a {
  padding: 9px 12px;
  border-radius: 12px;
  color: var(--muted);
  font-weight: 700;
  font-size: 14px;
  transition: 0.2s ease;
}

nav a:hover,
nav a.active {
  color: var(--primary-dark);
  background: var(--primary-soft);
}

.content {
  width: calc(100% - 310px);
  margin-left: 310px;
  padding: 0 44px 64px;
}

.topbar {
  position: sticky;
  top: 0;
  height: 74px;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(18px);
}

.breadcrumb {
  color: var(--muted);
}

.breadcrumb strong {
  color: var(--text);
}

.theme-btn,
.menu-btn {
  height: 40px;
  min-width: 40px;
  padding: 0 13px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  font-weight: 800;
}

.menu-btn {
  display: none;
}

.hero,
.doc-section,
.method {
  max-width: 1040px;
  margin: 24px auto;
  scroll-margin-top: 92px;
}

.hero {
  margin-top: 42px;
  padding: 54px;
  border: 1px solid var(--border);
  border-radius: 34px;
  background:
    linear-gradient(135deg, rgba(124, 58, 237, 0.1), rgba(6, 182, 212, 0.08)),
    var(--panel);
  box-shadow: var(--shadow);
}

.badge {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--primary-dark);
  background: var(--primary-soft);
  font-size: 13px;
  font-weight: 900;
  margin-bottom: 18px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(42px, 6vw, 72px);
  line-height: 0.95;
  letter-spacing: -0.06em;
}

.hero p {
  max-width: 740px;
  color: var(--muted);
  font-size: 19px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin: 32px 0;
}

.card,
.doc-section,
.method {
  border: 1px solid var(--border);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.card {
  padding: 22px;
  border-radius: 20px;
}

.card span {
  font-size: 30px;
}

.card h3 {
  margin: 12px 0 5px;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.doc-section,
.method {
  padding: 34px;
  border-radius: 28px;
}

.doc-section h2,
.category h2 {
  margin: 0 0 14px;
  font-size: clamp(28px, 3vw, 42px);
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.doc-section h3 {
  margin-top: 28px;
  margin-bottom: 10px;
  font-size: 22px;
}

.doc-section p,
.method p {
  color: var(--muted);
}

.download-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  margin: 24px 0;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background:
    linear-gradient(135deg, rgba(124, 58, 237, 0.12), rgba(6, 182, 212, 0.1)),
    var(--panel-solid);
}

.download-label {
  display: inline-flex;
  margin-bottom: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.download-card h3 {
  margin: 0;
  font-size: 24px;
}

.download-card p {
  margin: 6px 0 0;
  color: var(--muted);
}

.download-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 160px;
  height: 46px;
  padding: 0 18px;
  border-radius: 14px;
  color: white;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  font-weight: 900;
  box-shadow: 0 16px 34px rgba(124, 58, 237, 0.28);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.download-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 44px rgba(124, 58, 237, 0.38);
}

.category {
  max-width: 1040px;
  margin: 42px auto 16px;
  padding: 0 4px;
}

.category span {
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.method-head {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-start;
}

.method-head small {
  color: var(--primary-dark);
  font-family: "JetBrains Mono", monospace;
  font-weight: 800;
}

.method-head h2 {
  margin: 2px 0 0;
  font-size: 30px;
  letter-spacing: -0.04em;
}

.tag {
  padding: 7px 11px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 900;
}

.signature {
  margin: 20px 0;
  padding: 15px 16px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--panel-solid);
  overflow-x: auto;
}

.signature.multi {
  display: grid;
  gap: 8px;
}

.code-block {
  margin: 18px 0;
  overflow: hidden;
  border-radius: 18px;
  background: var(--code-bg);
  box-shadow: 0 18px 60px rgba(2, 6, 23, 0.28);
}

.code-header {
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px 0 18px;
  color: #cbd5e1;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 13px;
  font-weight: 800;
}

.copy {
  padding: 6px 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  color: #e5e7eb;
  cursor: pointer;
  font-weight: 800;
}

.copy.copied {
  color: #86efac;
}

pre {
  margin: 0;
  padding: 20px;
  overflow-x: auto;
}

pre code {
  color: #e5e7eb;
  font-size: 13.5px;
}

table {
  width: 100%;
  margin: 18px 0;
  border-collapse: collapse;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--panel-solid);
}

th,
td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

tr:last-child td {
  border-bottom: 0;
}

.callout {
  padding: 16px 18px;
  border-radius: 18px;
  background: var(--panel-solid);
  color: var(--muted);
}

.callout.info {
  border: 1px solid rgba(6, 182, 212, 0.35);
}

.callout.warning {
  border: 1px solid rgba(245, 158, 11, 0.45);
}

.tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 18px 0;
}

.tab {
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel-solid);
  color: var(--muted);
  cursor: pointer;
  font-weight: 900;
}

.tab.active {
  background: var(--primary-soft);
  color: var(--primary-dark);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.practice-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.practice-grid div {
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--panel-solid);
  color: var(--muted);
}

footer {
  max-width: 1040px;
  margin: 36px auto 0;
  color: var(--muted);
  text-align: center;
}

.hidden {
  display: none !important;
}

.no-results {
  max-width: 1040px;
  margin: 24px auto;
  padding: 22px;
  border: 1px dashed var(--border);
  border-radius: 18px;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 980px) {
  .sidebar {
    transform: translateX(-100%);
    transition: 0.22s ease;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .content {
    width: 100%;
    margin-left: 0;
    padding: 0 20px 42px;
  }

  .menu-btn {
    display: inline-block;
  }

  .cards,
  .practice-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 34px 24px;
  }
}

@media (max-width: 700px) {
  .download-card {
    display: grid;
  }

  .download-button {
    width: 100%;
  }
}

@media (max-width: 620px) {
  .doc-section,
  .method {
    padding: 24px 18px;
  }

  .method-head {
    display: grid;
  }

  .breadcrumb {
    display: none;
  }
}