.float-tools{position:fixed;right:1.5rem;bottom:3rem;z-index:var(--z-float);display:flex;flex-direction:column;gap:0.75rem}
.float-tool-btn{width:48px;height:48px;display:flex;align-items:center;justify-content:center;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-md);font-size:1.25rem;cursor:pointer;transition:all var(--transition-base);position:relative;backdrop-filter:var(--glass-blur);color:var(--text-primary)}
.float-tool-btn:hover{border-color:var(--accent);color:var(--accent);transform:translateX(-4px);box-shadow:var(--shadow-accent)}
.float-tool-btn .tooltip{position:absolute;right:calc(100% + 0.75rem);top:50%;transform:translateY(-50%);padding:0.5rem 1rem;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-sm);font-size:0.8rem;color:var(--text-primary);white-space:nowrap;opacity:0;visibility:hidden;transition:all var(--transition-fast);pointer-events:none}
.float-tool-btn:hover .tooltip{opacity:1;visibility:visible;transform:translateY(-50%) translateX(-4px)}
.back-to-top{opacity:0;visibility:hidden;transform:translateY(20px);transition:all var(--transition-base)}
.back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}
@media(max-width:768px){.float-tools{right:1rem;bottom:calc(1rem + 78px)}.float-tool-btn{width:44px;height:44px;font-size:1.1rem}}