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10px;font-size:12px;color:var(--fg-muted);border-radius:var(--radius-sm)}.canvas-tab.active{background:var(--bg-hover);color:var(--fg)}.canvas-body{flex:1;overflow:auto}@media (max-width: 1024px){.canvas-pane{width:40%}}@media (max-width: 768px){.canvas-pane{width:50%}}.sidebar-overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:30}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;padding:24px;z-index:50}.modal{width:100%;max-width:440px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px}.modal-title{font-size:15px;font-weight:600;margin-bottom:16px}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}@media (max-width: 1024px){.sidebar{position:fixed;z-index:40;height:100%;margin-left:calc(-1 * var(--sidebar-w))}.sidebar.open{margin-left:0}.sidebar-overlay.show{display:block}.canvas-pane{display:none}}@media (max-width: 768px){.content{padding:16px}.project-grid{grid-template-columns:1fr}.search-box{width:160px}.settings-row{flex-direction:column;align-items:flex-start}.settings-control,.select{width:100%}.usage-grid{grid-template-columns:1fr}}@media (max-width: 480px){body{font-size:13px}.auth-card{padding:28px 20px}.form-input{font-size:16px}}@media (max-width: 639px){.usage-strip,.breadcrumb{display:none}.project-toolbar{flex-wrap:wrap}.search-box{flex:1;width:auto;min-width:120px}.create-btn{padding:7px 12px;font-size:12px}}.toast-stack{position:fixed;top:16px;right:16px;z-index:1000;display:flex;flex-direction:column;gap:8px;max-width:min(380px,calc(100vw - 32px));pointer-events:none}.toast{pointer-events:auto;display:flex;align-items:flex-start;gap:10px;padding:10px 12px;border-radius:var(--radius-md);background:var(--bg-elevated);border:1px solid var(--border);box-shadow:0 8px 24px #00000047;font-size:13px;line-height:1.45;animation:toast-in .18s ease-out}@keyframes toast-in{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.toast-icon{display:inline-flex;align-items:center;flex-shrink:0;margin-top:1px}.toast-error .toast-icon{color:var(--accent-rose)}.toast-success .toast-icon{color:#34d399}.toast-info .toast-icon{color:var(--accent)}.toast-message{flex:1;color:var(--fg);overflow-wrap:anywhere}.toast-close{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:4px;color:var(--fg-muted);flex-shrink:0;margin-top:1px}.toast-close:hover{color:var(--fg);background:var(--bg-hover)}