@import "https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&display=swap";html,body,#root{height:100%}*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#0e0e12;--surface:#16161e;--line-bg:#1a1a24;--line-hover:#1e1e2a;--text:#c8c8d4;--text-dim:#555568;--text-bright:#eeeeef;--accent:#7eb8da;--accent-dim:#4a7a96;--error:#e05555;--comment:#6b6b82;--number:#b8b8c8;--line-num:#3a3a4e;--border:#252534;--font-mono:"JetBrains Mono", "SF Mono", "Fira Code", "Cascadia Code", "Consolas", monospace;--radius:6px}html,body,#root{background:var(--bg);height:100%;color:var(--text);font-family:var(--font-mono);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.editor{max-width:820px;margin:0 auto;padding:48px 20px 0}.editor .lines{flex-direction:column;gap:2px;display:flex}.line{border-radius:var(--radius);align-items:center;min-height:36px;transition:background .12s;display:flex;position:relative}.line:hover{background:var(--line-hover)}.line-number{text-align:right;width:36px;color:var(--line-num);-webkit-user-select:none;user-select:none;flex-shrink:0;padding-right:12px;font-size:12px;line-height:36px}.line-input{color:var(--text-bright);font-family:var(--font-mono);caret-color:var(--accent);background:0 0;border:none;outline:none;flex:1;min-width:0;padding:0;font-size:15px;line-height:36px}.line-input::placeholder{color:var(--text-dim);opacity:.6}.line-input::selection{background:#7eb8da40}.line-result{white-space:nowrap;text-align:right;-webkit-user-select:none;user-select:none;flex-shrink:0;min-width:40px;padding-left:24px;font-size:15px;line-height:36px;transition:opacity .15s}.line-result.result{color:var(--accent);font-weight:500}.line-result.error{color:var(--error);opacity:.7;font-size:14px;position:relative}.error-indicator{cursor:help;opacity:.8;transition:opacity .15s}.error-indicator:hover{opacity:1}.line-result.empty{opacity:0}.line:has(.line-result.result){border-right:2px solid #7eb8da14}.line-result.comment{color:var(--comment);font-size:13px;font-style:italic}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-dim)}::selection{background:#7eb8da40}.line-input.slash-command{color:var(--accent)}.command-hint{color:var(--accent-dim);letter-spacing:.02em;font-size:11px}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:100;background:#0009;justify-content:center;align-items:center;animation:.15s fadeIn;display:flex;position:fixed;inset:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal{background:var(--surface);border:1px solid var(--border);border-radius:12px;flex-direction:column;width:90vw;max-width:560px;max-height:80vh;animation:.2s slideUp;display:flex}@keyframes slideUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.modal-header{justify-content:space-between;align-items:center;padding:20px 24px 12px;display:flex}.modal-header h2{color:var(--text-bright);font-size:16px;font-weight:600}.modal-close{color:var(--text-dim);cursor:pointer;background:0 0;border:none;border-radius:4px;padding:4px 8px;font-size:20px;line-height:1;transition:color .15s,background .15s}.modal-close:hover{color:var(--text-bright);background:var(--line-hover)}.modal-body{padding:0 24px 24px;overflow-y:auto}.tutorial section{margin-bottom:20px}.tutorial section:last-child{margin-bottom:0}.tutorial h3{color:var(--text-bright);margin-bottom:6px;font-size:13px;font-weight:600}.tutorial p{color:var(--text-dim);margin-bottom:6px;font-size:12px;line-height:1.5}.tutorial code{background:var(--line-hover);color:var(--accent);border-radius:3px;padding:1px 5px;font-size:12px}.tutorial kbd{background:var(--line-hover);border:1px solid var(--border);color:var(--text);border-radius:3px;padding:1px 6px;font-size:11px}.example-block{background:var(--bg);border:1px solid var(--border);border-radius:6px;margin-top:6px;padding:8px 12px}.example-line{color:var(--text);align-items:center;gap:8px;font-size:13px;line-height:1.8;display:flex}.example-line .ex-input{font-family:var(--font-mono);flex:1}.example-line .ex-arrow{color:var(--text-dim)}.example-line .ex-result{color:var(--accent);font-family:var(--font-mono);text-align:right}.commands .example-line{color:var(--text-dim);font-size:12px}.commands .example-line code{color:var(--accent);min-width:80px;display:inline-block}.export-preview{background:var(--bg);border:1px solid var(--border);font-family:var(--font-mono);color:var(--text);white-space:pre-wrap;word-break:break-all;border-radius:6px;max-height:240px;margin-bottom:12px;padding:12px;font-size:12px;line-height:1.6;overflow-y:auto}.export-actions{gap:8px;display:flex}.action-btn{background:var(--accent);color:var(--bg);font-family:var(--font-mono);cursor:pointer;border:none;border-radius:6px;padding:8px 16px;font-size:12px;font-weight:600;transition:opacity .15s}.action-btn:hover{opacity:.9}.action-btn:disabled{opacity:.4;cursor:not-allowed}.action-btn.secondary{background:var(--line-hover);color:var(--text);border:1px solid var(--border);font-weight:400}.action-btn.secondary:hover{border-color:var(--accent-dim)}.import-drop-zone{border:2px dashed var(--border);text-align:center;cursor:pointer;border-radius:8px;padding:40px 20px;transition:border-color .2s,background .2s}.import-drop-zone:hover{border-color:var(--accent-dim);background:var(--line-hover)}.import-drop-zone.dragging{border-color:var(--accent);background:#7eb8da0f}.import-drop-icon{margin-bottom:8px;font-size:28px}.import-drop-text{color:var(--text-dim);font-size:13px;line-height:1.5}.import-file-input{display:none}.import-error{color:var(--error);text-align:center;margin-top:10px;font-size:12px}@media (width<=600px){.editor{padding:32px 12px 0}.line-number{width:28px;padding-right:8px;font-size:11px}.line-input,.line-result{font-size:14px}}