.pc-unified .pc-content .path-panel,.pc-unified .pc-content .path-stage,.pc-unified .pc-content .lesson-section,.pc-unified .pc-content .sandbox-panel,.pc-unified .pc-content .try-this{background:#EDF5FC;border-color:#CBD9E6;color:#1F2937;border-radius:14px;padding:1.5rem}
.pc-unified .pc-content .path-stage{border-left-color:#285F88}
.pc-unified .pc-content .lesson-meta,.pc-unified .pc-content .card-text{color:#475569}
.pc-unified .pc-content button,.pc-unified .pc-content .path-button{background:#285F88;color:#fff;border:1px solid #285F88;border-radius:8px;font:inherit;padding:.65rem 1rem;cursor:pointer}
.pc-unified .pc-content button:hover,.pc-unified .pc-content .path-button:hover{background:#174667;color:#fff}
.pc-unified .pc-content button:disabled{opacity:.65;cursor:default}
.pc-unified .pc-content [hidden]{display:none!important}
.pc-unified .pc-content #codeInput{width:100%;min-height:420px;background:#FAFCFF;color:#1F2937;border:1px solid #91A8BC;border-radius:10px;padding:1rem;white-space:pre;overflow:auto;resize:vertical}
.pc-unified .pc-content #sandbox{width:100%;min-height:340px;border:1px solid #91A8BC;border-radius:10px;background:#fff}
.pc-unified .pc-content .sandbox-actions{display:flex;gap:10px;flex-wrap:wrap;margin:1rem 0}
.pc-unified .pc-content .intro{text-align:left;margin-bottom:2rem}
.pc-unified .pc-content .topic-progress{font-size:.85rem;color:#475569;margin-top:2rem}
.pc-unified .pc-content .topic-navigation{display:flex;justify-content:space-between;gap:1rem;margin:1rem 0 2rem}
.pc-unified.editor-full-screen #header,.pc-unified.editor-full-screen #footer,.pc-unified.editor-full-screen #wpadminbar{display:none}
.pc-unified.editor-full-screen #codeInput{position:fixed;inset:0 0 80px;height:calc(100vh - 80px)!important;min-height:0;border-radius:0;z-index:99998}
.pc-unified.editor-full-screen .sandbox-actions{position:fixed;bottom:0;left:0;right:0;z-index:99999;background:#EDF5FC;padding:8px;margin:0;max-height:80px;overflow:auto}