:root{--bg-primary: #0b0f19;--bg-secondary: #111827;--bg-card: #1a2332;--bg-input: #0f172a;--bg-hover: #1e293b;--text-primary: #e2e8f0;--text-secondary: #94a3b8;--text-muted: #64748b;--accent: #38bdf8;--accent-hover: #7dd3fc;--accent-bg: rgba(56, 189, 248, .1);--success: #4ade80;--success-bg: rgba(74, 222, 128, .1);--warning: #fbbf24;--danger: #f87171;--danger-bg: rgba(248, 113, 113, .1);--border: #1e293b;--border-hover: #334155;--radius: 8px;--radius-sm: 4px}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,Segoe UI,system-ui,-apple-system,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.5}code{font-family:Cascadia Code,Fira Code,Consolas,monospace;background:var(--bg-card);padding:1px 6px;border-radius:3px;font-size:.9em}#root{min-height:100vh;display:flex;flex-direction:column}.btn{padding:.5rem 1rem;border-radius:var(--radius-sm);border:none;cursor:pointer;font-size:.875rem;font-weight:500;transition:all .2s;white-space:nowrap}.btn-primary{background:var(--accent);color:#0f172a}.btn-primary:hover{background:var(--accent-hover)}.btn-ghost{background:transparent;color:var(--text-secondary);border:1px solid var(--border)}.btn-ghost:hover{border-color:var(--border-hover);color:var(--text-primary)}.btn-success{background:var(--success);color:#0f172a}.btn-success:hover{background:#86efac}.btn-success:disabled{opacity:.6;cursor:not-allowed}.btn-success:disabled:hover{background:var(--success)}.loading{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;gap:1rem}.spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading p{color:var(--text-secondary)}.error-banner{padding:.75rem 1rem;background:var(--danger-bg);border-bottom:1px solid var(--danger);color:var(--danger);display:flex;align-items:center;gap:.5rem;font-size:.875rem}.error-banner button{margin-left:auto;background:none;border:none;color:var(--danger);cursor:pointer;font-size:1.25rem;line-height:1}.landing{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem;text-align:center;gap:.5rem}.landing h1{font-size:2.5rem;font-weight:700;margin-bottom:.25rem;background:linear-gradient(135deg,var(--accent),#818cf8);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.landing-brand{display:flex;align-items:center;gap:.75rem;margin-bottom:.25rem}.landing-logo{width:56px;height:56px;border-radius:12px;flex-shrink:0}.landing>p{color:var(--text-secondary);max-width:560px;margin-bottom:1.5rem;font-size:1.05rem}.upload-zone{width:100%;max-width:480px;border:2px dashed var(--border-hover);border-radius:var(--radius);padding:3rem 2rem;cursor:pointer;transition:all .2s;background:var(--bg-secondary);display:flex;flex-direction:column;align-items:center;gap:.5rem}.upload-zone:hover,.upload-zone.dragover{border-color:var(--accent);background:var(--accent-bg)}.upload-icon{font-size:2.5rem;line-height:1}.upload-main{color:var(--text-secondary);font-size:.95rem}.upload-file-name{color:var(--accent);font-size:.875rem;font-weight:500;margin-top:.25rem}.upload-btn{margin-top:1rem;padding:.625rem 2rem;font-size:1rem}.donate-section{margin-top:2.5rem;padding-top:1.75rem;border-top:1px solid var(--border);display:flex;flex-direction:column;align-items:center;gap:.75rem;max-width:480px;width:100%}.donate-text{color:var(--text-muted);font-size:.875rem;margin:0}.btn-kofi{display:inline-flex;align-items:center;gap:.5rem;padding:.625rem 1.25rem;background:#ff5e5b;color:#fff;text-decoration:none;font-weight:600;border-radius:var(--radius-sm);transition:background .2s,transform .15s}.btn-kofi:before{content:"☕"}.btn-kofi:hover{background:#ff7976;transform:translateY(-1px)}.btn-kofi:active{transform:translateY(0)}.editor{flex:1;display:flex;flex-direction:column;height:100vh}.editor-header{display:flex;align-items:center;gap:1rem;padding:.625rem 1rem;background:var(--bg-secondary);border-bottom:1px solid var(--border)}.editor-header h2{flex:1;font-size:.95rem;font-weight:500;color:var(--text-secondary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.editor-error{padding:.5rem 1rem;background:var(--danger-bg);border-bottom:1px solid var(--danger);color:var(--danger);display:flex;align-items:center;gap:.5rem;font-size:.8125rem}.editor-error button{margin-left:auto;background:none;border:none;color:var(--danger);cursor:pointer;font-size:1.125rem;line-height:1}.editor-toolbar{display:flex;align-items:center;gap:.5rem;padding:0 1rem;background:var(--bg-secondary);border-bottom:1px solid var(--border)}.tab-btn{padding:.625rem 1rem;background:transparent;border:none;color:var(--text-muted);cursor:pointer;font-size:.875rem;border-bottom:2px solid transparent;transition:all .15s}.tab-btn:hover{color:var(--text-primary)}.tab-btn.active{color:var(--accent);border-bottom-color:var(--accent)}.search-input{flex:1;margin-left:auto;max-width:320px;padding:.375rem .75rem;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:.8125rem;outline:none;transition:border-color .15s}.search-input::placeholder{color:var(--text-muted)}.search-input:focus{border-color:var(--accent)}.tree-container{flex:1;overflow-y:auto;padding:.25rem 0}.tree-node-row{display:flex;align-items:center;gap:4px;padding-top:1px;padding-bottom:1px;padding-right:8px;min-height:26px;cursor:default;transition:background .1s}.tree-node-row:hover{background:var(--bg-hover)}.tree-node-row:hover .tree-delete-btn{opacity:1}.tree-toggle{width:20px;height:20px;display:inline-flex;align-items:center;justify-content:center;background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:.5rem;flex-shrink:0;border-radius:3px;transition:background .1s}.tree-toggle:hover{background:var(--border)}.tree-toggle-spacer{width:20px;flex-shrink:0}.tree-key{color:var(--accent);font-family:Cascadia Code,Fira Code,Consolas,monospace;font-size:.8125rem;flex-shrink:0;-webkit-user-select:none;user-select:none}.tree-key[style]{cursor:pointer}.tree-block-info{color:var(--text-muted);font-size:.75rem;cursor:pointer;margin-left:4px;-webkit-user-select:none;user-select:none}.tree-value{color:var(--success);font-family:Cascadia Code,Fira Code,Consolas,monospace;font-size:.8125rem;cursor:pointer;padding:0 4px;border-radius:2px;transition:background .1s;margin-left:4px;word-break:break-all}.tree-value:hover{background:var(--success-bg)}.tree-value-input{background:var(--bg-input);border:1px solid var(--accent);border-radius:2px;color:var(--success);font-family:Cascadia Code,Fira Code,Consolas,monospace;font-size:.8125rem;padding:0 4px;outline:none;min-width:120px;margin-left:4px}.tree-delete-btn{opacity:0;background:none;border:none;color:var(--danger);cursor:pointer;font-size:.875rem;padding:0 4px;margin-left:auto;transition:opacity .1s;flex-shrink:0;line-height:1}.tree-delete-btn:hover{color:#fca5a5}.highlight>.tree-node-row{background:#fbbf2414}.highlight>.tree-node-row .tree-key{color:var(--warning)}.tree-load-more{padding:3px 0}.tree-load-more button{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);padding:3px 12px;cursor:pointer;font-size:.75rem;transition:all .15s}.tree-load-more button:hover{border-color:var(--accent);color:var(--accent)}.tree-add-section{padding:2px 0}.tree-add-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:.75rem;padding:2px 4px;transition:color .15s}.tree-add-btn:hover{color:var(--accent)}.tree-add-form{display:flex;gap:6px;align-items:center;padding:4px 0;flex-wrap:wrap}.tree-add-form input{padding:3px 8px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:.8125rem;outline:none;width:140px}.tree-add-form input:focus{border-color:var(--accent)}.tree-add-form select{padding:3px 8px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:.8125rem;outline:none}.tree-add-form select:focus{border-color:var(--accent)}.tree-add-form .add-confirm{padding:3px 10px;border-radius:var(--radius-sm);border:none;cursor:pointer;font-size:.75rem;background:var(--accent);color:#0f172a;font-weight:500}.tree-add-form .add-confirm:hover{background:var(--accent-hover)}.tree-add-form .add-cancel{padding:3px 10px;border-radius:var(--radius-sm);border:1px solid var(--border);cursor:pointer;font-size:.75rem;background:var(--bg-card);color:var(--text-secondary)}.tree-add-form .add-cancel:hover{border-color:var(--border-hover);color:var(--text-primary)}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border-hover);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}