.pl-screen{max-width:760px;margin:0 auto}.pl-floor-status{font-weight:600;color:var(--accent)}.pl-howto{margin:0 0 20px}.pl-table{width:100%;border-collapse:collapse;margin:16px 0 20px;font-size:14px}.pl-table caption{caption-side:top;text-align:left;font-weight:600;color:var(--text-primary);padding-bottom:8px}.pl-table th,.pl-table td{text-align:left;padding:8px 12px;border-bottom:1px solid var(--border);vertical-align:top}.pl-table th{color:var(--text-secondary);font-weight:600;font-size:13px}.pl-topics{color:var(--text-secondary);font-size:12.5px}.pl-floor-cell{white-space:nowrap;font-weight:700;color:var(--accent);width:110px}.pl-note{font-size:13px;color:var(--text-secondary);border-left:3px solid var(--accent);padding-left:12px}.pl-intro-actions{display:flex;align-items:center;gap:18px;margin-top:22px;flex-wrap:wrap}.pl-backlink{color:var(--text-secondary);font-size:14px}.pl-progress{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--border);flex-wrap:wrap}.pl-progress-section{font-weight:700;color:var(--accent);font-size:15px}.pl-progress-item{color:var(--text-secondary);font-size:13px}.pl-qcard{background:var(--card-bg);border:1px solid var(--border);border-radius:10px;padding:22px}.pl-q{margin:0 0 16px;font-size:17px;line-height:1.5}.pl-options{display:flex;flex-direction:column;gap:10px}.pl-option{text-align:left;background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border-light);border-radius:8px;padding:12px 16px;font-size:14.5px;font-family:var(--ui-font);cursor:pointer;transition:border-color .15s,background .15s,box-shadow .15s}.pl-option:hover{border-color:var(--accent);box-shadow:0 0 12px var(--accent-glow)}.pl-locked .pl-option{cursor:default}.pl-locked .pl-option:hover{border-color:var(--border-light);box-shadow:none}.pl-option.pl-correct{border-color:#4caf78;background:#4caf781f}.pl-option.pl-wrong{border-color:#e05252;background:#e052521a}.pl-feedback{margin-top:16px}.pl-feedback p{margin:0 0 8px}.pl-ok{color:#4caf78;font-weight:700}.pl-bad{color:#e05252;font-weight:700}.pl-explain{color:var(--text-secondary);font-size:14px}.pl-next{margin-top:16px}.pl-task-goal{font-weight:600;margin:0 0 6px}.pl-task-howto{color:var(--text-secondary);font-size:13px;margin:0 0 14px}.pl-canvas-wrap{border:1px solid var(--border);border-radius:8px;overflow:hidden;background:#1c1c1c;margin-bottom:12px}.pl-canvas{display:block;width:100%;height:380px}.pl-canvas-fallback{padding:28px 22px;color:var(--text-secondary);font-size:14px}.pl-toolbar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}.pl-tool-btn{min-width:64px}.pl-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.pl-score-line{font-size:17px;font-weight:700}.pl-floor-line{font-weight:600}.pl-floor-change{color:var(--accent);font-weight:600}.pl-passed-list{color:var(--text-secondary);font-size:14px}.pl-result-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin:22px 0 10px}.pl-retake-hint{color:var(--text-secondary);font-size:13px}@media(max-width:860px){.pl-canvas{height:300px}.pl-qcard{padding:16px}}