:root {
  --bg: #1a1b26;
  --card-bg: #16161e;
  --tab-active: #292e42;
  --text: #c0caf5;
  --muted: #565f89;
  --desc: #7982a9;
  --border: #3b4261;
  --item-border: #1e2030;
  --tip-bg: #1e2030;
  --accent: #e0af68;
}

*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.page {
  padding: 32px 24px 40px;
}

.header {
  text-align: center;
  margin-bottom: 28px;
}

.title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 34px;
  font-weight: 800;
  margin: 0;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #7dcfff, #bb9af7, #f7768e);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.subtitle {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--muted);
  margin-top: 6px;
}

.tab-row {
  display: flex;
  justify-content: center;
  background: var(--card-bg);
  border-radius: 10px;
  padding: 3px;
  max-width: 320px;
  margin: 20px auto 0;
}

.tab {
  flex: 1;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 500;
  padding: 8px 20px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  background: transparent;
  color: var(--muted);
  transition: all 0.15s ease;
}

.tab.active {
  font-weight: 700;
  background: var(--tab-active);
  color: var(--text);
}

.search-wrap {
  max-width: 340px;
  margin: 16px auto 0;
  position: relative;
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  display: flex;
  align-items: center;
}

.search-input {
  width: 100%;
  padding: 9px 36px 9px 38px;
  border-radius: 10px;
  border: 1px solid var(--tab-active);
  background: var(--card-bg);
  color: var(--text);
  font-size: 13px;
  font-family: 'DM Sans', sans-serif;
  outline: none;
}

.search-input::placeholder {
  color: var(--border);
}

.clear-btn {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  padding: 2px;
  display: flex;
  align-items: center;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 14px;
  max-width: 1200px;
  margin: 0 auto;
}

.card {
  background: var(--card-bg);
  border-radius: 12px;
  border-left: 3px solid;
  overflow: hidden;
}

.card-header {
  padding: 11px 16px 6px;
}

.card-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 700;
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.card-body {
  padding: 0 16px 12px;
}

.item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 4px 0;
  border-bottom: 1px solid var(--item-border);
  font-size: 13px;
  line-height: 1.5;
}

.item:last-child {
  border-bottom: none;
}

.code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  background: var(--tab-active);
  padding: 2px 7px;
  border-radius: 5px;
  white-space: nowrap;
  color: var(--text);
  flex-shrink: 0;
}

.desc {
  color: var(--desc);
  font-size: 12px;
}

.kbd {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  background: var(--tab-active);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 5px;
  color: var(--text);
}

.tip {
  max-width: 560px;
  margin: 22px auto 0;
  background: var(--tip-bg);
  border-radius: 10px;
  padding: 11px 16px;
  font-size: 12px;
  color: var(--desc);
  line-height: 1.6;
  border-left: 3px solid var(--accent);
}

.tip-label {
  font-family: 'JetBrains Mono', monospace;
  color: var(--accent);
  font-weight: 700;
  margin-right: 6px;
  font-size: 11px;
  text-transform: uppercase;
}

.inline-code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  background: var(--tab-active);
  padding: 2px 7px;
  border-radius: 5px;
  color: var(--text);
}

.footer {
  text-align: center;
  margin-top: 22px;
  font-size: 11px;
  color: var(--border);
  font-family: 'JetBrains Mono', monospace;
}

.footer-link {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.footer-link:hover {
  color: var(--text);
  border-bottom-color: var(--muted);
}