:root {
  --bg: #0b1020;
  --bg-soft: #121933;
  --panel: #ffffff;
  --panel-soft: #f5f7fb;
  --text: #182033;
  --text-soft: #5a647a;
  --border: #dfe5f0;
  --shadow: 0 12px 30px rgba(11, 16, 32, 0.12);
  --claude: #ff8c42;
  --claude-soft: #fff0e5;
  --codex: #3b82f6;
  --codex-soft: #eaf2ff;
  --gemini: #22c55e;
  --gemini-soft: #eafcf0;
  --radius: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Yu Gothic UI", sans-serif;
  background: linear-gradient(180deg, #0b1020 0%, #121933 420px, #eef3fb 420px, #eef3fb 100%);
  color: var(--text);
}

.hero {
  color: #fff;
  padding: 48px 20px 56px;
}
.hero__inner {
  max-width: 1280px;
  margin: 0 auto;
}
.eyebrow {
  margin: 0 0 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #a8b3cf;
  font-size: 12px;
}
.hero h1 {
  margin: 0;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.15;
}
.hero__desc {
  margin: 14px 0 0;
  max-width: 820px;
  color: #d5dcf0;
  line-height: 1.7;
}

.toolbar {
  margin-top: 24px;
  display: grid;
  gap: 16px;
  padding: 18px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 22px;
  backdrop-filter: blur(10px);
}
.searchbox {
  display: grid;
  gap: 8px;
}
.searchbox span {
  font-size: 13px;
  color: #c9d4ef;
}
.searchbox input {
  width: 100%;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.08);
  color: #fff;
  outline: none;
  backdrop-filter: blur(8px);
}
.searchbox input::placeholder { color: #b6c1db; }

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.filter-btn {
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 999px;
  padding: 11px 16px;
  background: rgba(255,255,255,.12);
  color: #eef4ff;
  cursor: pointer;
  font-weight: 800;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08);
  transition: transform .15s ease, background .15s ease, border-color .15s ease, color .15s ease, box-shadow .15s ease;
}
.filter-btn:hover {
  transform: translateY(-1px);
  background: rgba(255,255,255,.18);
  border-color: rgba(255,255,255,.28);
}
.filter-btn.is-active {
  background: #fff;
  color: #182033;
  border-color: rgba(255,255,255,.95);
  box-shadow: 0 8px 18px rgba(8, 12, 28, .18);
}
.filter-btn--claude.is-active { color: var(--claude); }
.filter-btn--codex.is-active { color: var(--codex); }
.filter-btn--gemini.is-active { color: var(--gemini); }

.layout {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px 40px;
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 24px;
}

.sidebar__panel {
  position: sticky;
  top: 20px;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(223,229,240,.8);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}
.sidebar__panel h2 {
  margin: 0 0 14px;
  font-size: 16px;
}
.category-nav {
  display: grid;
  gap: 8px;
}
.category-nav a {
  text-decoration: none;
  color: var(--text);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 14px;
}
.category-nav a:hover {
  border-color: #c7d4ee;
  background: #f8fbff;
}

.status-bar {
  background: rgba(255,255,255,.8);
  border: 1px solid rgba(223,229,240,.9);
  border-radius: 14px;
  padding: 12px 14px;
  margin-bottom: 18px;
  color: var(--text-soft);
}

.category-section {
  margin-bottom: 34px;
}
.category-section__title {
  font-size: 24px;
  margin: 0 0 16px;
}
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 18px;
}
.command-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: 18px;
  display: grid;
  gap: 16px;
}
.command-card[data-tool="claude"] { border-top: 6px solid var(--claude); }
.command-card[data-tool="codex"] { border-top: 6px solid var(--codex); }
.command-card[data-tool="gemini"] { border-top: 6px solid var(--gemini); }

.command-card__header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
}
.command-title {
  margin: 10px 0 0;
  font-size: 20px;
  line-height: 1.35;
}
.tool-badge {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}
.command-card[data-tool="claude"] .tool-badge {
  background: var(--claude-soft);
  color: #b85b12;
}
.command-card[data-tool="codex"] .tool-badge {
  background: var(--codex-soft);
  color: #205fbe;
}
.command-card[data-tool="gemini"] .tool-badge {
  background: var(--gemini-soft);
  color: #14803b;
}

.command-block {
  background: var(--panel-soft);
  border: 1px solid #e7edf6;
  border-radius: 16px;
  overflow: hidden;
}
.block-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  border-bottom: 1px solid #e1e8f4;
}
.block-label {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--text-soft);
}
.copy-btn {
  border: none;
  border-radius: 10px;
  padding: 8px 10px;
  background: #182033;
  color: #fff;
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
}
.copy-btn:hover { opacity: .92; }

.code-block {
  margin: 0;
  padding: 14px;
  font-size: 13px;
  line-height: 1.6;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.command-desc {
  line-height: 1.75;
  color: var(--text-soft);
}
.keyword-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.keyword-tag {
  display: inline-flex;
  align-items: center;
  padding: 7px 10px;
  border-radius: 999px;
  background: #f2f6fc;
  border: 1px solid #dde7f4;
  color: #586278;
  font-size: 12px;
}
.empty-state {
  background: #fff;
  border: 1px dashed #cdd8eb;
  border-radius: 20px;
  padding: 28px;
  color: var(--text-soft);
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
  }
  .sidebar { order: 2; }
  .content { order: 1; }
  .sidebar__panel { position: static; }
}

.filter-btn--claude { background: rgba(255, 140, 66, .16); color: #ffd7bc; border-color: rgba(255, 140, 66, .34); }
.filter-btn--codex { background: rgba(59, 130, 246, .16); color: #d7e8ff; border-color: rgba(59, 130, 246, .34); }
.filter-btn--gemini { background: rgba(34, 197, 94, .16); color: #d6ffe4; border-color: rgba(34, 197, 94, .34); }
.filter-btn--claude.is-active { background: var(--claude-soft); color: #a14d0d; border-color: rgba(255, 140, 66, .45); }
.filter-btn--codex.is-active { background: var(--codex-soft); color: #1f5cb8; border-color: rgba(59, 130, 246, .45); }
.filter-btn--gemini.is-active { background: var(--gemini-soft); color: #15763a; border-color: rgba(34, 197, 94, .45); }