/* cpp-grammar.css — C++ 语法速查面板 */
.cg-panel { position: fixed; inset: 0; z-index: 130; background: #f8fafc; display: flex; flex-direction: column; }
.cg-panel[hidden] { display: none !important; }
.cg-head { background: linear-gradient(135deg, #1e293b, #334155); color: #f8fafc; padding: 12px 16px; flex: 0 0 auto; }
.cg-head .cg-title { font-size: 18px; font-weight: 800; margin-top: 4px; }
.cg-head .cg-sub { font-size: 12px; color: #cbd5e1; margin-top: 2px; }
.cg-btn { background: rgba(255,255,255,.14); color: #fff; border: 1px solid rgba(255,255,255,.3); border-radius: 8px; padding: 5px 10px; font-size: 13px; cursor: pointer; }
.cg-body { flex: 1 1 auto; overflow-y: auto; padding: 12px 16px 40px; }
.cg-search { width: 100%; box-sizing: border-box; padding: 10px 12px; font-size: 15px; border: 1px solid #cbd5e1; border-radius: 10px; margin-bottom: 10px; }
.cg-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.cg-chip { border: 1px solid #cbd5e1; background: #fff; border-radius: 999px; padding: 4px 12px; font-size: 13px; cursor: pointer; }
.cg-chip.is-on { background: #4f46e5; border-color: #4f46e5; color: #fff; font-weight: 700; }
.cg-meta { font-size: 12px; color: #64748b; margin: 4px 0 10px; }
.cg-list { display: flex; flex-direction: column; gap: 10px; }
.cg-card { background: #fff; border: 1px solid #e2e8f0; border-radius: 12px; padding: 12px 14px; }
.cg-card-top { display: flex; align-items: center; gap: 8px; }
.cg-cat { font-size: 11px; background: #eef2ff; color: #4338ca; border-radius: 999px; padding: 1px 8px; font-weight: 700; }
.cg-name { font-size: 16px; font-weight: 800; color: #0f172a; }
.cg-desc { font-size: 13px; color: #334155; margin: 6px 0; }
.cg-code-wrap { margin: 6px 0; }
.cg-code-bar { display: flex; align-items: center; gap: 8px; }
.cg-copy { background: #4f46e5; color: #fff; border: none; border-radius: 8px; padding: 4px 12px; font-size: 12px; cursor: pointer; }
.cg-copy-msg { font-size: 12px; color: #16a34a; }
.cg-code { background: #0f172a; color: #e2e8f0; border-radius: 10px; padding: 10px 12px; font-size: 13px; line-height: 1.5; overflow-x: auto; white-space: pre-wrap; word-break: break-word; margin: 6px 0 0; font-family: Consolas, "Courier New", monospace; }
.cg-pit { font-size: 12px; color: #b45309; background: #fffbeb; border-left: 3px solid #f59e0b; padding: 6px 8px; border-radius: 6px; margin-top: 6px; }
.cg-related { font-size: 12px; color: #475569; margin-top: 6px; }
.cg-empty { color: #64748b; padding: 20px; text-align: center; }
@media (max-width: 600px) {
  .cg-body { padding: 10px 10px 30px; }
  .cg-code { font-size: 12px; }
}