.graphviz-page{overflow:hidden;height:100vh}.gv-settings-row{display:flex;gap:var(--space-md);align-items:flex-end;flex-wrap:wrap}.gv-setting{display:flex;flex-direction:column;gap:4px}.gv-setting label{font-size:var(--font-size-xs);font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.gv-setting select{font-size:var(--font-size-sm);padding:5px 8px;border-radius:var(--radius);border:1px solid var(--border-color);background:var(--bg-color);color:var(--text-main);cursor:pointer;min-width:140px}.gv-setting select:hover{border-color:var(--border-strong)}.gv-setting select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px rgba(49,130,206,.15)}.gv-examples-grid{display:flex;flex-wrap:wrap;gap:6px}.gv-example-btn{padding:5px 14px;font-size:var(--font-size-xs);font-weight:600;background:var(--bg-color);border:1px solid var(--border-color);border-radius:var(--radius);cursor:pointer;color:var(--text-muted);transition:all .15s}.gv-example-btn:hover{color:var(--text-main);border-color:var(--border-strong);background:var(--panel-bg)}.gv-example-btn:active{background:var(--primary-light);border-color:var(--primary);color:var(--primary)}.gv-error-output{margin:0;padding:var(--space-sm);font-size:var(--font-size-xs);font-family:sf mono,fira code,cascadia code,Consolas,monospace;line-height:1.5;color:var(--text-muted);background:var(--bg-color);border:1px solid var(--border-color);border-radius:var(--radius);max-height:160px;overflow-y:auto;white-space:pre-wrap;word-break:break-word}.drag-overlay{position:fixed;inset:0;background:rgba(49,130,206,.12);backdrop-filter:blur(4px);z-index:10000;display:flex;align-items:center;justify-content:center}.drag-overlay[hidden]{display:none}.drag-overlay-content{display:flex;flex-direction:column;align-items:center;gap:var(--space-md);padding:var(--space-xl);background:var(--panel-bg);border:2px dashed var(--primary);border-radius:12px;box-shadow:0 8px 32px rgba(0,0,0,.15)}.drag-overlay-icon{color:var(--primary)}.drag-overlay-text{font-size:var(--font-size-md);font-weight:600;color:var(--text-main)}.toast-container{position:fixed;bottom:20px;right:20px;z-index:10000;display:flex;flex-direction:column-reverse;gap:8px;pointer-events:none}.toast{background:var(--text-main);color:#fff;padding:10px 18px;border-radius:var(--radius);font-size:var(--font-size-sm);font-weight:500;box-shadow:0 4px 12px rgba(0,0,0,.2);pointer-events:auto;animation:gv-toast-in .25s ease-out}.toast.toast-success{background:var(--success)}.toast.toast-error{background:var(--danger)}.toast.toast-out{animation:gv-toast-out .2s ease-in forwards}@keyframes gv-toast-in{from{opacity:0;transform:translateY(10px)scale(.96)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes gv-toast-out{from{opacity:1;transform:translateY(0)scale(1)}to{opacity:0;transform:translateY(10px)scale(.96)}}@media(max-width:700px){.ide-layout{flex-direction:column}.ide-editor-panel{width:100%!important;max-width:100%;height:40vh;min-height:200px}.ide-resize-handle{width:100%;height:5px;cursor:row-resize}.ide-preview-panel{min-width:0}.gv-settings-row{flex-direction:column;gap:var(--space-sm)}.gv-setting select{min-width:100%}}