:root{--bg-primary: #f8f9fa;--bg-secondary: #eef0f2;--bg-toolbar: #e4e7eb;--bg-header: #1a1f2e;--text-primary: #0f1117;--text-secondary: #3a3f4b;--text-header: #f0f2f5;--border-color: #b8bfc9;--btn-bg: #ffffff;--btn-text: #1a2030;--btn-border: #9aa3b0;--btn-hover-bg: #dde2e8;--btn-primary-bg: #0060b8;--btn-primary-text: #ffffff;--btn-primary-hover: #004fa0;--status-success-bg: #d4edda;--status-success-text: #0a5c1e;--status-success-border: #5cb87a;--status-error-bg: #fad7da;--status-error-text: #8b0f17;--status-error-border: #e06070;--editor-border: #b8bfc9;--label-bg: #d8dde4;--label-text: #2c323e;--shadow: 0 2px 6px rgba(0, 0, 0, .12)}[data-theme=dark]{--bg-primary: #161b24;--bg-secondary: #1e2433;--bg-toolbar: #252d3d;--bg-header: #0d1017;--text-primary: #e8ecf2;--text-secondary: #a8b2c2;--text-header: #f0f2f5;--border-color: #3a4358;--btn-bg: #2a3245;--btn-text: #d8e0ee;--btn-border: #4a5570;--btn-hover-bg: #3a4560;--btn-primary-bg: #1a7fd4;--btn-primary-text: #ffffff;--btn-primary-hover: #2090e8;--status-success-bg: #0f2e18;--status-success-text: #5dcc78;--status-success-border: #287a40;--status-error-bg: #2e0f14;--status-error-text: #ff7b84;--status-error-border: #7a2830;--editor-border: #3a4358;--label-bg: #252d3d;--label-text: #c0cad8;--shadow: 0 2px 6px rgba(0, 0, 0, .5)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;overflow:hidden}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;font-size:15px;font-weight:400;background-color:var(--bg-primary);color:var(--text-primary);transition:background-color .2s,color .2s;-webkit-font-smoothing:antialiased}button{cursor:pointer;font-family:inherit;font-size:14px;font-weight:500;border:1px solid var(--btn-border);background-color:var(--btn-bg);color:var(--btn-text);border-radius:5px;padding:6px 14px;transition:background-color .15s,border-color .15s;letter-spacing:.1px}button:hover{background-color:var(--btn-hover-bg)}button:active{opacity:.85}.app{display:flex;flex-direction:column;height:100vh;overflow:hidden;background-color:var(--bg-primary)}.header{display:flex;align-items:center;justify-content:space-between;padding:0 20px;height:54px;background-color:var(--bg-header);color:var(--text-header);flex-shrink:0;box-shadow:var(--shadow)}.header__brand{display:flex;align-items:center;gap:14px}.header__logo{height:22px;width:auto;filter:brightness(0) invert(1);display:block;flex-shrink:0}.header__divider{width:1px;height:20px;background-color:#ffffff40;flex-shrink:0}.header__title{font-size:17px;font-weight:600;color:var(--text-header);letter-spacing:.2px}.header__theme-btn{background-color:transparent;border:1px solid rgba(255,255,255,.35);color:var(--text-header);padding:6px 14px;border-radius:5px;font-size:14px;font-weight:500;transition:background-color .15s,border-color .15s}.header__theme-btn:hover{background-color:#ffffff1f;border-color:#fff9}.toolbar{display:flex;align-items:center;gap:9px;padding:9px 20px;background-color:var(--bg-toolbar);border-bottom:1px solid var(--border-color);flex-shrink:0;flex-wrap:wrap}.toolbar__btn{white-space:nowrap}.toolbar__btn--primary{background-color:var(--btn-primary-bg);color:var(--btn-primary-text);border-color:var(--btn-primary-bg);font-weight:600}.toolbar__btn--primary:hover{background-color:var(--btn-primary-hover);border-color:var(--btn-primary-hover)}.toolbar__btn--danger{color:#a81a22;border-color:#d07080}.toolbar__btn--danger:hover{background-color:#fad7da;border-color:#a81a22}[data-theme=dark] .toolbar__btn--danger{color:#ff7b84;border-color:#7a2830}[data-theme=dark] .toolbar__btn--danger:hover{background-color:#2e0f14;border-color:#ff7b84}.toolbar__btn--python{color:#1a5a9e;border-color:#6aacee;background-color:#e4f0fb}.toolbar__btn--python:hover{background-color:#c0d8f5;border-color:#1a5a9e}[data-theme=dark] .toolbar__btn--python{color:#70bcf8;border-color:#234a7a;background-color:#162438}[data-theme=dark] .toolbar__btn--python:hover{background-color:#1e3a58;border-color:#70bcf8}.editor-panel{display:flex;flex-direction:row;flex:1;overflow:hidden;background-color:var(--bg-primary)}.editor-panel__pane{display:flex;flex-direction:column;flex:1;overflow:hidden;min-width:0}.editor-panel__label{padding:6px 16px;font-size:12px;font-weight:500;text-transform:uppercase;letter-spacing:.8px;color:var(--label-text);background-color:var(--label-bg);border-bottom:1px solid var(--editor-border);flex-shrink:0}.editor-panel__editor-wrapper{flex:1;overflow:hidden}.editor-panel__label--error{background-color:var(--status-error-bg);color:var(--status-error-text);border-bottom-color:var(--status-error-border)}.editor-panel__pane--error .editor-panel__editor-wrapper{outline:2px solid var(--status-error-border);outline-offset:-2px}.editor-panel__divider{width:4px;background-color:var(--border-color);flex-shrink:0;cursor:col-resize}.status-bar{display:flex;align-items:center;gap:10px;padding:7px 20px;font-size:14px;font-weight:400;border-top:1px solid var(--border-color);min-height:36px;transition:background-color .2s,color 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