:root{--bg-color: #f8f9fa;--panel-bg: #ffffff;--border-color: #e0e0e0;--text-color: #333333;--line-num-bg: #fafafa;--line-num-text: #b0b0b0;--primary-color: #007bff;--string-color: #2a9d8f;--number-color: #e76f51;--boolean-color: #e9c46a;--null-color: #6c757d;--key-color: #264653;--hover-bg: #f5f5f5;--header-bg: #ffffff;--font-size: 14px}[data-theme=dark]{--bg-color: #1e1e1e;--panel-bg: #252526;--border-color: #3e3e42;--text-color: #d4d4d4;--line-num-bg: #2d2d30;--line-num-text: #858585;--primary-color: #3794ff;--string-color: #ce9178;--number-color: #b5cea8;--boolean-color: #569cd6;--null-color: #569cd6;--key-color: #9cdcfe;--hover-bg: #2a2d2e;--header-bg: #252526}[data-theme=monokai]{--bg-color: #272822;--panel-bg: #272822;--border-color: #49483e;--text-color: #f8f8f2;--line-num-bg: #3e3d32;--line-num-text: #90908a;--primary-color: #f92672;--string-color: #e6db74;--number-color: #ae81ff;--boolean-color: #ae81ff;--null-color: #ae81ff;--key-color: #66d9ef;--hover-bg: #3e3d32;--header-bg: #1e1f1c}[data-theme=solarized-light]{--bg-color: #fdf6e3;--panel-bg: #fdf6e3;--border-color: #93a1a1;--text-color: #657b83;--line-num-bg: #eee8d5;--line-num-text: #93a1a1;--primary-color: #268bd2;--string-color: #2aa198;--number-color: #d33682;--boolean-color: #b58900;--null-color: #b58900;--key-color: #859900;--hover-bg: #eee8d5;--header-bg: #eee8d5}[data-theme=dracula]{--bg-color: #282a36;--panel-bg: #282a36;--border-color: #44475a;--text-color: #f8f8f2;--line-num-bg: #44475a;--line-num-text: #6272a4;--primary-color: #bd93f9;--string-color: #f1fa8c;--number-color: #ff79c6;--boolean-color: #8be9fd;--null-color: #8be9fd;--key-color: #50fa7b;--hover-bg: #44475a;--header-bg: #191a21}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background-color:var(--bg-color);color:var(--text-color);height:100vh;display:flex;flex-direction:column}header{background-color:var(--header-bg);padding:0 20px;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center;height:56px;box-shadow:0 1px 2px #00000005}h1{font-size:1.1rem;font-weight:600;color:var(--text-color)}.actions{display:flex;align-items:center;gap:8px}.filter-input{padding:5px 10px;border:1px solid var(--border-color);border-radius:4px;background-color:var(--bg-color);color:var(--text-color);width:220px;font-size:.85rem;outline:none;transition:border-color .2s}.filter-input:focus{border-color:var(--primary-color);background-color:var(--panel-bg)}.actions button{padding:5px 12px;margin:0;background-color:var(--primary-color);color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:.85rem;transition:opacity .2s,transform .1s;font-weight:500}.actions button:active{transform:translateY(1px)}header .icon-btn{background-color:transparent;border:1px solid transparent;color:var(--text-color);margin:0;padding:6px;cursor:pointer;border-radius:4px;display:inline-flex;align-items:center;justify-content:center;transition:all .2s;opacity:.8}header .icon-btn:hover{background-color:var(--hover-bg);color:var(--primary-color);opacity:1}#clear-btn{background-color:transparent;color:#dc3545;border:1px solid #dc3545}#clear-btn:hover{background-color:#dc3545;color:#fff}#feedback-btn{background-color:transparent;color:var(--primary-color);border:1px solid var(--primary-color)}#feedback-btn:hover{background-color:var(--primary-color);color:#fff}#global-tooltip{position:fixed;background-color:#000c;color:#fff;padding:5px 8px;border-radius:4px;font-size:12px;pointer-events:none;z-index:9999;white-space:nowrap;opacity:0;transition:opacity .2s;line-height:1.2}#global-tooltip.show{opacity:1}.ad-placeholder{display:none;background-color:#f0f0f0;border:1px dashed #ccc;color:#999;text-align:center;padding:10px;margin:10px 0;font-size:.8rem}.ad-header{margin:0 20px 10px;height:60px;line-height:60px}.ad-sidebar{width:160px;height:100%;margin-left:10px}.ad-footer{height:60px;line-height:60px;margin:10px 20px}.editor-container{display:flex;flex:1;overflow:hidden;padding:10px;gap:10px}.panel{flex:1;display:flex;flex-direction:column;background:var(--panel-bg);border:1px solid var(--border-color);border-radius:6px;min-width:0;overflow:hidden}.panel-header{padding:0 12px;background-color:var(--bg-color);border-bottom:1px solid var(--border-color);font-size:.85rem;font-weight:600;color:var(--text-color);display:flex;justify-content:space-between;align-items:center;border-radius:6px 6px 0 0;height:40px;opacity:.8}.stats-info{font-weight:400;font-size:.75rem;color:var(--line-num-text)}.panel-header .icon-btn{background:none;border:none;cursor:pointer;font-size:0;padding:4px;margin-left:5px;opacity:.6;transition:all .2s;color:var(--text-color);border-radius:4px;display:inline-flex;align-items:center;justify-content:center}.panel-header .icon-btn:hover{opacity:1;background-color:var(--hover-bg)}.panel-actions{display:flex;align-items:center}.fold-btn{display:inline-block;width:12px;height:12px;margin-right:4px;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 12 12' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M4 2 L8 6 L4 10' stroke='%23666' fill='none' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-size:contain;background-repeat:no-repeat;background-position:center;transition:transform .2s;vertical-align:middle}.fold-btn.expanded{transform:rotate(90deg)}.fold-placeholder{display:inline-block;color:#999;font-style:italic;font-size:.9em;cursor:pointer;padding:0 4px;background-color:#0000000d;border-radius:2px;margin:0 2px}.fold-placeholder:hover{background-color:#0000001a}.hidden{display:none!important}body.dark-mode .fold-btn{filter:invert(.8)}.editor-wrapper{flex:1;display:flex;position:relative;overflow:hidden;border-radius:0 0 6px 6px}.font-size-controls{display:flex;align-items:center;border-radius:4px;margin-left:0}.line-numbers{width:45px;background-color:var(--line-num-bg);border-right:1px solid var(--border-color);padding:10px 5px;text-align:right;font-family:Consolas,Monaco,monospace;font-size:var(--font-size);line-height:var(--line-height);color:var(--line-num-text);-webkit-user-select:none;user-select:none;overflow:hidden}.line-numbers div{height:var(--line-height);line-height:var(--line-height)!important;box-sizing:border-box}#json-input{flex:1;border:none;padding:10px;resize:none;font-family:Consolas,Monaco,monospace;font-size:var(--font-size)!important;line-height:var(--line-height)!important;outline:none;white-space:pre;overflow:auto;background-color:var(--panel-bg);color:var(--text-color)}#json-output{flex:1;padding:10px;font-family:Consolas,Monaco,monospace;font-size:var(--font-size)!important;line-height:var(--line-height)!important;overflow:auto;white-space:pre}.json-row{display:flex;align-items:center;min-height:var(--line-height)}.json-row:hover{background-color:var(--hover-bg)}.json-row:hover .btn-group{opacity:1}.btn-group{display:inline-flex;align-items:center;margin-left:8px;opacity:0;transition:opacity .2s}.copy-btn,.copy-line-btn{display:inline-flex;align-items:center;justify-content:center;padding:2px;cursor:pointer;color:#adb5bd;transition:all .2s;border-radius:4px;margin-left:4px}.copy-btn:hover,.copy-line-btn:hover{color:var(--primary-color);background-color:#0d6efd1a}.json-key{color:var(--key-color);font-weight:700;cursor:text}.json-string,.json-number,.json-boolean,.json-null{cursor:text}.json-indent{white-space:pre;display:inline-block}.json-string{color:var(--string-color)}.json-number{color:var(--number-color)}.json-boolean{color:var(--boolean-color)}.json-null{color:var(--null-color);cursor:pointer}.copyable{position:relative;border-radius:2px;transition:background-color .2s}.copyable:hover{background-color:#0000000d;text-decoration:underline}.copyable:active{background-color:#0000001a}.error-message{position:absolute;bottom:0;left:0;right:0;background-color:#dc3545e6;color:#fff;padding:10px;font-size:.9rem}.toast{position:fixed;top:20px;left:50%;transform:translate(-50%);background-color:#000000b3;color:#fff;padding:8px 16px;border-radius:20px;font-size:.9rem;opacity:0;transition:opacity .3s;pointer-events:none;z-index:1000}.toast.show{opacity:1}.error-line{background-color:#dc35454d;color:#dc3545;font-weight:700}.highlight-text{background-color:#ffc107;color:#212529;border-radius:2px;padding:0 1px;box-shadow:0 0 2px #0003}.theme-dropdown-container{position:relative;margin-left:8px}.theme-dropdown-btn{display:flex;align-items:center;gap:6px;padding:6px 10px;border:1px solid var(--border-color);border-radius:4px;background-color:var(--panel-bg);color:var(--text-color);font-size:.85rem;cursor:pointer;transition:all .2s;height:32px}.theme-dropdown-btn:hover{background-color:#0000000d;border-color:var(--primary-color);color:var(--text-color)}[data-theme=dark] .theme-dropdown-btn:hover,[data-theme=monokai] .theme-dropdown-btn:hover,[data-theme=dracula] .theme-dropdown-btn:hover{background-color:#ffffff1a}.theme-icon{opacity:.7}.chevron-down{opacity:.5;margin-left:2px}.theme-dropdown-menu{position:absolute;top:100%;right:0;margin-top:4px;background-color:var(--panel-bg);border:1px solid var(--border-color);border-radius:4px;box-shadow:0 4px 12px #00000026;z-index:1000;min-width:160px;overflow:hidden;padding:4px 0}.theme-option{padding:8px 12px;display:flex;align-items:center;gap:8px;cursor:pointer;font-size:.85rem;color:var(--text-color);transition:background-color .2s}.theme-option:hover{background-color:var(--hover-bg);color:var(--primary-color)}.color-preview{width:12px;height:12px;border-radius:50%;border:1px solid rgba(0,0,0,.1);display:inline-block}.color-preview.light{background-color:#f8f9fa}.color-preview.dark{background-color:#1e1e1e}.color-preview.monokai{background-color:#272822}.color-preview.solarized-light{background-color:#fdf6e3}.color-preview.dracula{background-color:#282a36}.panel-footer{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;background-color:var(--bg-color);border-top:1px solid var(--border-color);height:48px}.panel-footer .filter-input{width:250px;padding:6px 12px;border:1px solid var(--border-color);border-radius:6px;background-color:var(--panel-bg);color:var(--text-color);font-size:.85rem;outline:none;transition:all .2s;box-shadow:inset 0 1px 2px #0000000d}.panel-footer .filter-input:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px #0d6efd26}.font-size-group{display:flex;align-items:center;background-color:var(--panel-bg);border:1px solid var(--border-color);border-radius:6px;padding:3px;box-shadow:0 1px 2px #0000000d}.font-btn{background:transparent;border:none;color:var(--text-color);padding:4px 12px;cursor:pointer;border-radius:4px;line-height:1;transition:all .2s;font-weight:600;opacity:.7;margin:0!important;display:flex;align-items:center;justify-content:center;height:24px}.font-btn:hover{background-color:var(--hover-bg);opacity:1}.font-btn.active{background-color:var(--primary-color);color:#fff;opacity:1;box-shadow:0 1px 2px #0003}.lang-text{margin-left:4px;font-weight:600;font-size:.8rem}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:#ccc;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#aaa}.modal{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#00000080;z-index:2000;display:flex;align-items:center;justify-content:center}.modal.hidden{display:none!important}.modal-content{background-color:var(--panel-bg);border-radius:6px;width:80%;max-width:800px;height:80%;display:flex;flex-direction:column;box-shadow:0 4px 12px #00000026;border:1px solid var(--border-color)}.modal-header{padding:12px 16px;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center;background-color:var(--bg-color);border-radius:6px 6px 0 0}#modal-title{font-weight:700;font-size:1.1rem}.close-btn{font-size:1.5rem;cursor:pointer;line-height:1;color:var(--text-color);opacity:.6}.close-btn:hover{opacity:1}.modal-body{flex:1;padding:0;overflow:hidden;position:relative}#modal-text{width:100%;height:100%;border:none;padding:16px;resize:none;font-family:Consolas,Monaco,monospace;font-size:14px;line-height:1.5;outline:none;background-color:var(--panel-bg);color:var(--text-color)}.modal-footer{padding:12px 16px;border-top:1px solid var(--border-color);background-color:var(--bg-color);display:flex;justify-content:flex-end;border-radius:0 0 6px 6px;gap:10px}.modal-footer button{padding:6px 16px;border:none;border-radius:4px;cursor:pointer;background-color:var(--primary-color);color:#fff;font-size:.9rem}.modal-footer button:hover{opacity:.9}.feedback-modal-content{height:auto;max-width:500px;text-align:center}.feedback-body{padding:30px 20px;display:flex;flex-direction:column;gap:15px;font-size:1rem;color:var(--text-color)}.contact-info{margin-top:10px;font-weight:700;padding:10px;background-color:var(--hover-bg);border-radius:4px}.contact-info a{color:var(--primary-color);text-decoration:none}.contact-info a:hover{text-decoration:underline}