/* MHExtensions — keiyoushi-style site (VitePress look, zero build) */

:root {
  color-scheme: dark;
  --bg: #1e1e20;
  --bg-alt: #161618;
  --elv: #202127;
  --soft: rgba(128, 128, 136, 0.14);
  --text: rgba(235, 235, 245, 0.86);
  --muted: rgba(235, 235, 245, 0.6);
  --faint: rgba(235, 235, 245, 0.38);
  --divider: rgba(82, 82, 89, 0.32);
  --brand-1: #747bff;
  --brand-2: #646cff;
  --brand-3: #3451b2;
  --brand-soft: rgba(100, 108, 255, 0.14);
  --green: #42d392;
  --yellow: #e0b33c;
  --blue: #54a9ff;
  --code-text: #d3d6f6;
  --warn-bg: rgba(234, 179, 8, 0.12);
  --warn-border: rgba(234, 179, 8, 0.3);
  --warn-title: #e0b33c;
  --warn-text: rgba(235, 227, 205, 0.86);
  --shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --bg: #ffffff;
    --bg-alt: #f6f6f7;
    --elv: #ffffff;
    --soft: rgba(8, 8, 8, 0.06);
    --text: rgba(7, 8, 16, 0.87);
    --muted: rgba(7, 8, 16, 0.66);
    --faint: rgba(7, 8, 16, 0.44);
    --divider: rgba(60, 60, 67, 0.16);
    --brand-1: #5a5fe0;
    --brand-2: #5056d6;
    --brand-3: #3451b2;
    --brand-soft: rgba(100, 108, 255, 0.1);
    --code-text: #3b3e63;
    --warn-bg: rgba(234, 179, 8, 0.12);
    --warn-border: rgba(180, 130, 10, 0.3);
    --warn-title: #937100;
    --warn-text: rgba(80, 70, 40, 0.9);
    --shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial,
    "Noto Sans", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--brand-1); text-decoration: none; }
a:hover { color: var(--brand-2); }

img { max-width: 100%; }

code, .mono {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

code {
  background: var(--brand-soft);
  color: var(--code-text);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 0.875em;
}

pre {
  background: var(--bg-alt);
  border: 1px solid var(--divider);
  border-radius: 10px;
  padding: 14px 16px;
  overflow-x: auto;
  font-size: 13.5px;
  line-height: 1.6;
}

pre code { background: none; padding: 0; color: var(--code-text); }

.container { max-width: 1152px; margin: 0 auto; padding: 0 24px; }

/* ---------- Navbar ---------- */

.navbar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--divider);
}

.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 17px;
  color: var(--text);
  letter-spacing: -0.01em;
}
.brand:hover { color: var(--text); }
.brand .logo-img {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  object-fit: cover;
  display: block;
  background: var(--bg-alt);
}

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
  padding: 7px 12px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.nav-links a:hover { color: var(--text); background: var(--soft); }
.nav-links a.active { color: var(--text); }
.nav-links .gh svg { width: 17px; height: 17px; display: block; }

/* ---------- Hero ---------- */

.hero { padding: 88px 0 56px; text-align: center; }
.hero h1 {
  margin: 0;
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.hero h1 .clip {
  background: linear-gradient(315deg, var(--green) 25%, #647eff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.tagline {
  margin: 20px auto 0;
  max-width: 580px;
  color: var(--muted);
  font-size: 1.15rem;
  line-height: 1.6;
}
.actions { margin-top: 34px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 22px;
  border-radius: 22px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.1s;
}
.btn:active { transform: scale(0.98); }
.btn-brand { background: var(--brand-3); color: #fff; }
.btn-brand:hover { background: var(--brand-2); color: #fff; }
.btn-alt { background: var(--elv); color: var(--text); border-color: var(--divider); }
.btn-alt:hover { border-color: var(--text); color: var(--text); }
.btn-small { height: 36px; padding: 0 14px; border-radius: 9px; font-size: 13.5px; }

/* ---------- Feature cards ---------- */

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; padding: 8px 0 40px; }
.feature {
  display: block;
  background: var(--soft);
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 24px;
  color: var(--text);
  transition: border-color 0.25s, background 0.25s, transform 0.25s;
}
.feature:hover { border-color: var(--brand-2); background: var(--brand-soft); transform: translateY(-2px); color: var(--text); }
.feature .icon { margin-bottom: 14px; }
.feature .icon svg { width: 38px; height: 38px; }
.feature h3 { margin: 0 0 8px; font-size: 17px; }
.feature p { margin: 0; color: var(--muted); font-size: 14.5px; }
.feature .link-text { margin-top: 12px; font-size: 13.5px; font-weight: 600; }
.feature .link-text span { color: var(--brand-1); }

/* ---------- Custom blocks ---------- */

.block { border-radius: 10px; padding: 16px 20px; margin: 20px 0; font-size: 14.5px; }
.block-warning { background: var(--warn-bg); border: 1px solid var(--warn-border); color: var(--warn-text); }
.block-warning .block-title { color: var(--warn-title); font-weight: 700; margin-bottom: 6px; }
.block-warning a { color: var(--brand-1); }
.block-warning strong { color: var(--warn-text); }

/* ---------- Sections / docs ---------- */

.page { padding: 48px 0 72px; }
.page h1 { font-size: 2rem; letter-spacing: -0.02em; margin: 0 0 8px; }
.page .lead { color: var(--muted); margin: 0 0 28px; }

.doc h2 { font-size: 1.4rem; letter-spacing: -0.01em; margin: 44px 0 14px; scroll-margin-top: 80px; }
.doc h3 { font-size: 1.05rem; margin: 28px 0 10px; }
.doc p, .doc li { color: var(--muted); font-size: 15px; }
.doc strong { color: var(--text); }
.doc ol, .doc ul { padding-left: 24px; }
.doc li { margin: 7px 0; }
.doc table { width: 100%; border-collapse: collapse; font-size: 14px; margin: 14px 0; }
.doc th, .doc td { border: 1px solid var(--divider); padding: 9px 12px; text-align: left; vertical-align: top; }
.doc th { background: var(--soft); color: var(--text); font-weight: 600; }
.doc td code { white-space: nowrap; }

/* ---------- Repo / add-repo card ---------- */

.repo-card {
  background: var(--elv);
  border: 1px solid var(--divider);
  border-radius: 14px;
  padding: 22px;
  margin: 22px 0;
  box-shadow: var(--shadow);
}
.repo-card h3 { margin: 0 0 4px; font-size: 16px; }
.repo-card .sub { color: var(--muted); font-size: 13.5px; margin: 0 0 14px; }
.repo-row { display: flex; gap: 10px; align-items: stretch; flex-wrap: wrap; }
.repo-row code {
  flex: 1 1 320px;
  background: var(--bg-alt);
  border: 1px solid var(--divider);
  border-radius: 9px;
  padding: 11px 13px;
  font-size: 13.5px;
  color: var(--code-text);
  overflow-x: auto;
  white-space: nowrap;
  display: block;
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 42px;
  padding: 0 16px;
  border-radius: 9px;
  background: var(--brand-3);
  color: #fff;
  font-weight: 600;
  font-size: 13.5px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}
.copy-btn:hover { background: var(--brand-2); color: #fff; }
.copy-btn:active { transform: scale(0.97); }
.copy-btn.copied { background: #1d7a4f; }

/* ---------- Extension browser ---------- */

.toolbar { display: flex; flex-direction: column; gap: 14px; margin: 22px 0 18px; }
.search-wrap { position: relative; max-width: 460px; }
.search-wrap svg {
  position: absolute;
  left: 13px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--faint);
  pointer-events: none;
}
.search {
  width: 100%;
  height: 44px;
  border-radius: 10px;
  border: 1px solid var(--divider);
  background: var(--elv);
  color: var(--text);
  padding: 0 14px 0 38px;
  font-size: 14.5px;
  outline: none;
  transition: border-color 0.2s;
}
.search::placeholder { color: var(--faint); }
.search:focus { border-color: var(--brand-2); }

.chips { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.chip {
  border: 1px solid var(--divider);
  background: transparent;
  color: var(--muted);
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}
.chip:hover { color: var(--text); border-color: var(--text); }
.chip.active { background: var(--brand-soft); border-color: var(--brand-2); color: var(--brand-1); }

.count { color: var(--faint); font-size: 13px; margin-left: auto; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 16px; }

.ext-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--elv);
  border: 1px solid var(--divider);
  border-radius: 12px;
  padding: 16px;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.ext-card:hover { border-color: var(--brand-2); transform: translateY(-2px); box-shadow: var(--shadow); }
.ext-head { display: flex; align-items: center; gap: 12px; }
.ext-head img { width: 44px; height: 44px; border-radius: 10px; background: var(--bg-alt); }
.ext-title { min-width: 0; }
.ext-name { font-weight: 700; font-size: 15px; color: var(--text); line-height: 1.3; }
.ext-ver {
  display: inline-block;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11.5px;
  color: var(--brand-1);
  background: var(--brand-soft);
  border-radius: 5px;
  padding: 1px 6px;
  margin-top: 2px;
}
.ext-pkg { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; color: var(--faint); word-break: break-all; }
.ext-langs { display: flex; flex-wrap: wrap; gap: 6px; }
.lang-chip {
  font-size: 11.5px;
  color: var(--muted);
  border: 1px solid var(--divider);
  border-radius: 999px;
  padding: 1px 9px;
}
.ext-note { font-size: 13px; color: var(--muted); line-height: 1.55; margin: 0; }
.ext-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: auto; padding-top: 4px; }
.ext-site { font-size: 12.5px; color: var(--faint); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ext-site:hover { color: var(--brand-1); }

.skeleton {
  border-radius: 12px;
  background: linear-gradient(90deg, var(--elv) 25%, var(--soft) 50%, var(--elv) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  height: 150px;
}
@keyframes shimmer { to { background-position: -200% 0; } }

.load-error { display: none; }

/* ---------- Homepage showcase ---------- */

.home-exts { padding: 16px 0 64px; }
.home-exts-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin: 0 0 16px;
}
.home-exts-head h2 { margin: 0; font-size: 1.5rem; letter-spacing: -0.02em; }
.home-exts-head .count { margin-left: 10px; }
.home-exts-head a { font-size: 14px; font-weight: 600; }
.home-exts .grid { margin-top: 4px; }

/* ---------- Guide: generated extension notes ---------- */

.notes-loading { color: var(--faint); font-style: italic; }

/* ---------- Footer ---------- */

.footer { border-top: 1px solid var(--divider); padding: 34px 0 44px; }
.footer .inner { display: flex; flex-wrap: wrap; gap: 18px; justify-content: space-between; align-items: flex-start; }
.footer p { margin: 0; color: var(--faint); font-size: 13px; max-width: 560px; }
.footer .links { display: flex; gap: 16px; font-size: 13.5px; }

/* ---------- Responsive ---------- */

@media (max-width: 640px) {
  .hero { padding: 56px 0 40px; }
  .nav-inner { height: 54px; }
  .nav-links a { padding: 7px 9px; font-size: 13.5px; }
  .nav-links .gh span { display: none; }
  .count { margin-left: 0; }
  .grid { grid-template-columns: 1fr; }
  .page { padding: 32px 0 56px; }
}