.features-guide-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.4);z-index:9000;display:none;align-items:flex-end;justify-content:center;opacity:0;visibility:hidden;transition:opacity 0.22s var(--ease),visibility 0.22s var(--ease)}.features-guide-overlay.visible{display:flex;opacity:1;visibility:visible}.features-guide-sheet{background:var(--surface);border-radius:var(--radius) var(--radius) 0 0;max-height:85vh;width:100%;max-width:560px;display:flex;flex-direction:column;box-shadow:0 -4px 24px rgba(0,0,0,0.12);transform:translateY(100%);transition:transform 0.25s var(--ease)}.features-guide-overlay.visible .features-guide-sheet{transform:translateY(0)}.features-guide-header{flex-shrink:0;display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border)}.features-guide-title{margin:0;font-size:1.125rem;font-weight:600;color:var(--text)}.features-guide-close{width:40px;height:40px;border:none;background:transparent;font-size:1.5rem;color:var(--text-secondary);cursor:pointer;border-radius:var(--radius-sm);line-height:1;padding:0}.features-guide-close:hover{background:var(--bg);color:var(--text)}.features-guide-body{overflow-y:auto;padding:8px 20px 24px;-webkit-overflow-scrolling:touch}.fg-empty{color:var(--text-secondary);text-align:center;padding:24px 0}.fg-group{margin-top:16px}.fg-group-label{font-size:0.75rem;font-weight:600;letter-spacing:0.04em;text-transform:uppercase;color:var(--text-secondary);margin:0 0 8px}.fg-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--border)}.fg-item:last-child{border-bottom:none}.fg-emoji{font-size:1.35rem;line-height:1.4;flex-shrink:0;width:1.6em;text-align:center}.fg-body{flex:1;min-width:0}.fg-title{font-weight:600;color:var(--text);font-size:0.95rem}.fg-lock{font-size:0.85em}.fg-desc{color:var(--text-secondary);font-size:0.875rem;line-height:1.45;margin-top:2px}.fg-locked{opacity:0.65}.fg-show{margin-top:8px;border:1px solid var(--border);background:transparent;color:var(--accent);font-size:0.8125rem;font-weight:600;padding:5px 12px;border-radius:var(--radius-sm);cursor:pointer}.fg-show:hover{background:var(--bg)}.fg-tag{display:inline-block;margin-top:8px;font-size:0.75rem;color:var(--text-secondary);background:var(--bg);border-radius:var(--radius-sm);padding:3px 8px}.cab-reveal-flash{animation:cabRevealFlash 1.8s var(--ease);border-radius:var(--radius)}@keyframes cabRevealFlash{0%{box-shadow:0 0 0 0 rgba(190,24,93,0)}15%{box-shadow:0 0 0 3px rgba(190,24,93,0.45)}100%{box-shadow:0 0 0 0 rgba(190,24,93,0)}}body.cab-tabbar-on:has(.features-guide-overlay.visible) #cabTabBar{display:none}