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ease-in-out}.bouncing-loader .dot:nth-child(1){animation-delay:0s}.bouncing-loader .dot:nth-child(2){animation-delay:.2s}.bouncing-loader .dot:nth-child(3){animation-delay:.4s}@keyframes bounce-dot{0%,80%,to{transform:translateY(0);opacity:1}40%{transform:translateY(-6px);opacity:.7}}.pill-icon-wrap{position:relative;width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:var(--bg-surface);border-radius:50%;box-shadow:0 2px 4px #0000001a}.spinner-ring{position:absolute;width:32px;height:32px;border:3px solid var(--spinner-ring-border);border-top-color:var(--spinner-ring-top);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.runtime-btn{width:160px;display:flex;justify-content:space-between;align-items:center;padding:10px 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8px #0000001a}.block-content{padding:16px;cursor:pointer;position:relative;min-height:50px;display:flex;align-items:center}.text-content{width:100%;line-height:1.6;color:var(--text-body);white-space:pre-wrap;word-wrap:break-word}.image-content{width:97%;height:auto;text-align:center;position:relative;padding:16px}.image-content img{width:100%;height:auto;border-radius:6px;box-shadow:0 2px 8px #0000001a}.empty-image{display:flex;align-items:center;justify-content:center;height:150px;color:var(--placeholder-text);font-style:italic;border:2px dashed var(--border-color-strong);border-radius:6px;background-color:var(--bg-surface-hover);cursor:pointer;transition:all .2s ease}.empty-image:hover{background-color:var(--chip-bg-hover);border-color:var(--placeholder-text)}.image-content.drag-over 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var(--border-color);border-radius:6px;background:var(--bg-surface)}.block-top-right-tools{position:absolute;top:8px;right:8px;display:flex;flex-direction:row;align-items:flex-end;gap:6px;z-index:3}.output-copy-topright{position:absolute;top:8px;right:8px;z-index:2}.copy-btn{width:28px;height:28px;min-width:24px;min-height:24px;display:flex;align-items:center;justify-content:center;border-radius:6px;border:1px solid var(--border-color);background:var(--bg-surface);color:var(--text-main);font-size:12px;line-height:1;cursor:pointer;transition:all .15s ease;box-shadow:0 1px 2px #00000014}.copy-btn:hover{background:var(--chip-bg-hover);border-color:var(--border-color-strong);box-shadow:0 2px 6px #00000026}.kernel-dot{width:8px;height:8px;border-radius:9999px;margin-right:6px}.dot-green{background-color:#22c55e}.dot-yellow{background-color:#eab308}.dot-gray{background-color:#9ca3af}.output-loading{display:flex;align-items:center;justify-content:flex-start;gap:4px;padding:8px 0}.output-loading .dot{width:6px;height:6px;border-radius:50%;background-color:var(--text-color, #555);animation:bounce 1.4s infinite ease-in-out both}.output-loading .dot:nth-child(1){animation-delay:-.32s}.output-loading .dot:nth-child(2){animation-delay:-.16s}@keyframes bounce{0%,80%,to{transform:scale(0);opacity:.5}40%{transform:scale(1);opacity:1}}@keyframes rotation{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (max-width: 768px){.notebook-container{width:95%;padding:15px}.action-btn{width:28px;height:28px}.block-content{padding:12px}}@media (max-width: 900px){.header-row{flex-wrap:wrap}.title-input{order:2;width:100%;white-space:normal}.header-actions{order:3}}.content-block.is-code{display:grid;grid-template-columns:100px minmax(0,1fr) 80px;grid-auto-rows:auto;align-items:start}.content-block.is-comment{display:grid;grid-template-columns:100px minmax(0,1fr) 50px;grid-auto-rows:auto;align-items:start}.content-block.is-code .block-tools,.content-block.is-comment 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