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0;border:none;border-radius:6px;padding:.4rem .7rem;font-size:.85rem;transition:background .12s,color .12s}.app .tool-menu button:hover:not(:disabled){background:var(--surface-3);color:var(--text);border:none}.app .tool-menu button.active{color:var(--text);background:rgba(var(--accent-rgb), .18);font-weight:600}.dialog-overlay{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:1000;background:#05060ab3;justify-content:center;align-items:center;padding:2rem;display:flex;position:fixed;inset:0}.dialog-card{background:var(--surface);border:1px solid var(--border-strong);border-radius:calc(var(--radius) + 4px);width:100%;max-width:380px;box-shadow:var(--shadow);flex-direction:column;gap:.9rem;padding:1.25rem;display:flex}.dialog-card h3{margin:0;font-size:1.05rem}.dialog-card input{flex:none;width:100%}.dialog-message{color:var(--text-dim);overflow-wrap:anywhere;margin:0;font-size:.92rem}.dialog-label{color:var(--text-dim);margin-bottom:-.4rem;font-size:.8rem}.dialog-card input{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface-2);width:100%;color:var(--text);padding:.55rem .75rem;font-family:inherit;font-size:.95rem}.dialog-card input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(var(--accent-rgb), .25);outline:none}.dialog-actions{justify-content:flex-end;gap:.5rem;display:flex}.app button.danger-solid{color:#fff;background:#dc2626;border:none}.app button.danger-solid:hover:not(:disabled){background:#ef4444;border:none}.viewer-page{flex-direction:column;gap:1rem;width:100%;display:flex}.viewer-topbar{align-items:center;gap:1rem;display:flex}.viewer-topbar .back{align-items:center;gap:.35rem;display:inline-flex}.viewer-topbar .file-name{overflow-wrap:anywhere;flex:1;font-size:1rem;font-weight:600}.viewer-stage{justify-content:center;display:flex}.viewer-stage img{border:1px solid var(--border);border-radius:var(--radius);max-width:100%;max-height:calc(100vh - 230px)}.viewer-stage iframe{border:1px solid var(--border);border-radius:var(--radius);background:#fff;width:100%;height:calc(100vh - 230px)}.viewer-stage pre{white-space:pre-wrap;overflow-wrap:anywhere;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);width:100%;color:var(--text-dim);margin:0;padding:1rem;font-family:ui-monospace,monospace;font-size:.85rem}@media (width>=1024px) and (pointer:fine){.app .hamburger,.drawer-head,.sidebar-backdrop{display:none}.sidebar{width:240px;height:auto;box-shadow:none;background:color-mix(in srgb, var(--surface) 55%, transparent);border-right:1px solid var(--border);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);flex:none;padding-top:1.25rem;transition:none;position:static;transform:none}.main-pane{padding:1.5rem 2rem 4rem}}@media (width<=640px){.app.page{padding:1rem 1rem 3rem}.panel input.search-input{flex:100%;order:5;width:auto}.toolbar .spacer{display:none}.file-grid{grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:.5rem}.file-card{padding:.85rem .5rem .7rem}.file-list li{gap:.5rem;padding:.55rem .65rem}.breadcrumb .arrange-hint,.selection-bar .sel-hint{display:none}.file-actions button{padding:.3rem .55rem;font-size:.76rem}.file-icon{border-radius:8px;width:32px;height:32px}.file-icon svg{width:18px;height:18px}.roster{min-width:520px}.viewer-topbar .file-name{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.app .media-tool .volume-slider{width:56px;margin:0 4px 0 2px}.invite-link{flex-wrap:wrap}.invite-link input{flex:100%;min-width:0}.stat-cards{grid-template-columns:repeat(2,1fr)}.player-frame{padding:0 4px 12px}.player-frame:not(.video){height:240px}}@media (width<=440px){.role-cards{grid-template-columns:1fr}.invite-controls{flex-direction:column;align-items:stretch}.invite-controls .segmented{align-self:flex-start}}.app.page.auth-screen{max-width:min(440px,100%)}.auth-card{width:100%;overflow:hidden}.auth-card *{min-width:0!important;max-width:100%!important}.auth-card [class*=MuiPaper-root],.auth-card [class*=paperWidth],.auth-card [class*=MuiContainer-root]{width:100%!important;max-width:100%!important}