@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Newsreader:opsz,wght@6..72,300;6..72,400;6..72,500&family=JetBrains+Mono:wght@400;500&display=swap");

:root {
  --paper: #fbf4e6;
  --paper-deep: #f2e5cf;
  --ink: #162027;
  --ink-soft: #3c4a52;
  --accent: #ff6f59;
  --accent-2: #0b7285;
  --accent-3: #f4d35e;
  --card: rgba(255, 255, 255, 0.78);
  --card-strong: rgba(255, 255, 255, 0.92);
  --stroke: rgba(22, 32, 39, 0.12);
  --shadow: 0 24px 60px rgba(16, 24, 32, 0.12);
  --radius: 20px;
  --base-font-family: "Newsreader", "Iowan Old Style", "Palatino", serif;
  --heading-font-family: "Space Grotesk", "Trebuchet MS", sans-serif;
  --base-font-size: 16px;
  --code-font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --theme-color: var(--accent);
  --link-color: var(--accent-2);
  --link-color--hover: #055a69;
  --sidebar-nav-link-color--active: var(--accent-2);
  --selection-color: rgba(255, 111, 89, 0.25);
}

html,
body {
  height: 100%;
}

body {
  min-height: 100vh;
  background:
    radial-gradient(circle at 16% 8%, rgba(255, 111, 89, 0.18), transparent 45%),
    radial-gradient(circle at 86% 0%, rgba(11, 114, 133, 0.2), transparent 40%),
    linear-gradient(180deg, var(--paper) 0%, var(--paper-deep) 100%);
  color: var(--ink);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    135deg,
    rgba(22, 32, 39, 0.04) 0,
    rgba(22, 32, 39, 0.04) 1px,
    transparent 1px,
    transparent 6px
  );
  opacity: 0.6;
  z-index: 0;
}

#app,
.app,
.main,
.content {
  min-height: 100vh;
}

.app,
.main {
  background: transparent;
}

.content {
  position: relative;
  z-index: 1;
  background: transparent;
}

.app-name-link {
  font-family: var(--heading-font-family);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.app-name-link img {
  width: 28px;
  height: 28px;
}

.sidebar {
  background: var(--card);
  border-right: 1px solid var(--stroke);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.sidebar > h1 a,
.sidebar > h1 {
  font-family: var(--heading-font-family);
  font-weight: 700;
}

.sidebar-nav > ul > li > p {
  margin: 1.2rem 0 0.45rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
}

.sidebar-nav > ul > li > p::after {
  content: "";
  display: block;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-3), transparent);
  margin-top: 0.5rem;
}

.sidebar-nav ul ul {
  margin: 0.4rem 0 1rem 0.7rem;
  padding-left: 0.9rem;
  border-left: 2px solid rgba(11, 114, 133, 0.2);
}

.sidebar-nav ul ul li a {
  font-size: 0.98rem;
  color: var(--ink);
}

.sidebar-nav ul ul li a:hover {
  color: var(--accent-2);
}

.sidebar ul li.active > a {
  font-weight: 600;
  color: var(--accent-2);
  background: rgba(11, 114, 133, 0.12);
  border-radius: 10px;
}

.markdown-section {
  max-width: 980px;
  padding: 2.8rem 3rem 5rem;
  margin: 0 auto;
  background: var(--card-strong);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.markdown-section h1,
.markdown-section h2,
.markdown-section h3,
.markdown-section h4 {
  font-family: var(--heading-font-family);
  letter-spacing: -0.02em;
  color: var(--ink);
}

.markdown-section h1 {
  font-size: 2.6rem;
}

.markdown-section h2 {
  font-size: 1.9rem;
  border-bottom: 2px solid rgba(255, 111, 89, 0.2);
  padding-bottom: 0.4rem;
}

.markdown-section a {
  text-decoration: none;
  border-bottom: 2px solid rgba(11, 114, 133, 0.2);
  transition: all 0.2s ease;
}

.markdown-section a:hover {
  border-bottom-color: var(--accent-2);
  color: var(--accent-2);
}

.markdown-section blockquote {
  border-left: 4px solid var(--accent);
  background: rgba(255, 111, 89, 0.08);
  padding: 1rem 1.2rem;
  border-radius: 12px;
  color: var(--ink-soft);
}

.markdown-section code {
  font-family: var(--code-font-family);
  font-size: 0.9em;
  background: rgba(22, 32, 39, 0.08);
  padding: 0.1rem 0.35rem;
  border-radius: 6px;
}

.markdown-section pre {
  background: #121821;
  border-radius: 16px;
  box-shadow: 0 18px 40px rgba(12, 18, 24, 0.35);
}

.markdown-section pre > code {
  background: transparent;
  color: #f9f7f2;
}

.markdown-section table {
  border-collapse: collapse;
  width: 100%;
  background: rgba(255, 255, 255, 0.85);
  border-radius: 14px;
  overflow: hidden;
}

.markdown-section table th {
  text-align: left;
  background: rgba(11, 114, 133, 0.12);
  color: var(--ink);
}

.markdown-section table th,
.markdown-section table td {
  padding: 0.8rem 1rem;
  border-bottom: 1px solid rgba(22, 32, 39, 0.08);
}

.docsify-pagination-container {
  border-top: 1px solid var(--stroke);
  margin-top: 2rem;
}

section.cover {
  background: transparent;
}

.cover-main {
  text-align: left;
  max-width: 980px;
  margin: 0 auto;
}

.hero {
  display: grid;
  gap: 1.6rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--heading-font-family);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.7rem;
  background: rgba(255, 111, 89, 0.16);
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  color: var(--ink);
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 4.6rem);
  margin: 0;
}

.hero p {
  font-size: 1.1rem;
  max-width: 560px;
  color: var(--ink-soft);
}

.hero-actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.hero-actions a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.65rem 1.2rem;
  border-radius: 999px;
  font-family: var(--heading-font-family);
  font-weight: 600;
  border: 2px solid transparent;
  box-shadow: 0 12px 24px rgba(255, 111, 89, 0.2);
}

.hero-actions a.primary {
  background: var(--accent);
  color: #1b1f23;
  border-color: rgba(255, 111, 89, 0.4);
}

.hero-actions a.ghost {
  background: transparent;
  color: var(--accent-2);
  border-color: rgba(11, 114, 133, 0.4);
  box-shadow: none;
}

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

.hero-card {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(22, 32, 39, 0.12);
  border-radius: 16px;
  padding: 1rem 1.1rem;
}

.hero-card h3 {
  margin-top: 0;
  margin-bottom: 0.4rem;
  font-size: 1.1rem;
}

.hero-card p {
  margin: 0;
  font-size: 0.95rem;
}

@media (max-width: 900px) {
  .markdown-section {
    padding: 2.2rem 1.6rem 4rem;
  }
}

@media (max-width: 640px) {
  .markdown-section {
    border-radius: 16px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }
}