* {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    Segoe UI,
    sans-serif;
  background: var(--bg);
  color: var(--text);
}
:root {
  --bg: #090d14;
  --panel: #101722;
  --panel2: #151d2a;
  --border: #243044;
  --text: #edf3ff;
  --muted: #8e9bb0;
  --accent: #4da3ff;
  --shadow: 0 18px 60px #0006;
}
html[data-theme="light"] {
  --bg: #f5f7fb;
  --panel: #fff;
  --panel2: #eef2f8;
  --border: #d9e0ea;
  --text: #152033;
  --muted: #607086;
  --accent: #1677d2;
  --shadow: 0 18px 50px #18283a12;
}
a {
  color: inherit;
  text-decoration: none;
}
.layout {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 250px 1fr;
}
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  border-right: 1px solid var(--border);
  background: var(--panel);
  padding: 22px 14px;
}
.side-title {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--muted);
  letter-spacing: 0.12em;
  margin: 25px 12px 9px;
}
.nav a {
  display: flex;
  gap: 12px;
  padding: 11px 12px;
  border-radius: 10px;
  color: var(--muted);
  margin: 3px 0;
}
.nav a:hover {
  background: var(--panel2);
  color: var(--text);
}
.main {
  min-width: 0;
}
.header {
  height: 72px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 28px;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 5;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 18px;
  min-width: 190px;
}
.brand img {
  width: 34px;
  height: 34px;
  object-fit: contain;
  border-radius: 8px;
}
.global-search {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 11px;
  height: 42px;
  padding: 0 12px;
  max-width: 650px;
  flex: 1;
}
.global-search input {
  background: none;
  border: 0;
  outline: 0;
  color: var(--text);
  width: 100%;
  font-size: 14px;
}
.global-search kbd {
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 3px 6px;
  color: var(--muted);
  font-size: 11px;
}
.icon-btn,
select {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 9px;
  padding: 9px 11px;
}
.content {
  max-width: 1400px;
  margin: auto;
  padding: 34px;
}
.hero {
  padding: 42px;
  border: 1px solid var(--border);
  background: linear-gradient(135deg, var(--panel), var(--panel2));
  border-radius: 22px;
  box-shadow: var(--shadow);
}
.hero h1 {
  font-size: 42px;
  margin: 0 0 12px;
}
.hero p {
  color: var(--muted);
  max-width: 720px;
  font-size: 16px;
  line-height: 1.7;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 15px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 15px;
  padding: 20px;
  transition: 0.18s;
}
.card:hover {
  transform: translateY(-3px);
  border-color: #4da3ff77;
  box-shadow: var(--shadow);
}
.card h3 {
  margin: 8px 0;
}
.muted {
  color: var(--muted);
}
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 15px;
  margin: 20px 0;
}
.stat {
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
}
.stat strong {
  font-size: 28px;
  display: block;
}
.toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 20px 0;
}
.input,
.textarea,
.btn {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 11px 13px;
}
.textarea {
  width: 100%;
  min-height: 260px;
  font-family: ui-monospace, monospace;
}
.btn {
  cursor: pointer;
}
.btn.primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.tool-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 18px;
}
.toolbox {
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
}
.badge {
  display: inline-block;
  padding: 5px 9px;
  border-radius: 999px;
  background: var(--panel2);
  color: var(--muted);
  font-size: 12px;
}
#searchResults {
  position: fixed;
  top: 64px;
  left: 300px;
  right: 260px;
  max-width: 650px;
  margin: auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
  z-index: 20;
  overflow: hidden;
}
#searchResults a,
#searchResults > span {
  display: flex;
  justify-content: space-between;
  padding: 12px 15px;
  border-bottom: 1px solid var(--border);
}
#searchResults small {
  color: var(--muted);
}
@media (max-width: 800px) {
  .layout {
    display: block;
  }
  .sidebar {
    height: auto;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 10;
    padding: 5px;
    border-top: 1px solid var(--border);
    border-right: 0;
  }
  .nav {
    display: flex;
    justify-content: space-around;
  }
  .nav a {
    font-size: 0;
    margin: 0;
  }
  .nav a:first-letter {
    font-size: 20px;
  }
  .side-title {
    display: none;
  }
  .header {
    padding: 0 12px;
  }
  .brand span,
  .global-search kbd {
    display: none;
  }
  .brand {
    min-width: auto;
  }
  .content {
    padding: 18px 14px 80px;
  }
  .hero {
    padding: 25px;
  }
  .hero h1 {
    font-size: 30px;
  }
  .stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .tool-layout {
    grid-template-columns: 1fr;
  }
  #searchResults {
    left: 12px;
    right: 12px;
  }
  .header .global-search {
    display: flex;
  }
}