:root{--bg-primary: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);--bg-sidebar: linear-gradient(180deg, rgba(0, 0, 0, .3) 0%, rgba(0, 0, 0, .2) 100%);--bg-card: linear-gradient(135deg, rgba(255, 255, 255, .08) 0%, rgba(255, 255, 255, .05) 100%);--bg-input: rgba(0, 0, 0, .2);--bg-input-focus: rgba(0, 0, 0, .3);--bg-tool-item-hover: rgba(255, 255, 255, .1);--bg-tool-item-active: linear-gradient(135deg, rgba(59, 130, 255, .3) 0%, rgba(37, 99, 235, .4) 100%);--bg-btn-secondary: rgba(255, 255, 255, .1);--bg-btn-secondary-hover: rgba(255, 255, 255, .15);--bg-select: rgba(0, 0, 0, .2);--bg-scrollbar-track: rgba(0, 0, 0, .2);--bg-scrollbar-thumb: rgba(255, 255, 255, .2);--bg-scrollbar-thumb-hover: rgba(255, 255, 255, .3);--text-primary: #ffffff;--text-secondary: rgba(255, 255, 255, .9);--text-tertiary: rgba(255, 255, 255, .7);--text-quaternary: rgba(255, 255, 255, .6);--text-placeholder: rgba(255, 255, 255, .4);--border-color: rgba(255, 255, 255, .1);--border-color-input: rgba(255, 255, 255, .15);--border-color-focus: rgba(59, 130, 246, .6);--shadow-card: 0 8px 32px rgba(0, 0, 0, .3), inset 0 1px 0 rgba(255, 255, 255, .1);--shadow-btn: 0 2px 8px rgba(59, 130, 246, .3);--shadow-btn-hover: 0 4px 12px rgba(59, 130, 246, .4);--shadow-input-focus: 0 0 0 3px rgba(59, 130, 246, .15), 0 4px 12px rgba(0, 0, 0, .2);--shadow-tool-active: 0 2px 8px rgba(59, 130, 246, .2);--select-arrow: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23ffffff' d='M6 9L1 4h10z'/%3E%3C/svg%3E");--diff-added-bg: rgba(34, 197, 94, .2);--diff-added-text: #4ade80;--diff-removed-bg: rgba(239, 68, 68, .2);--diff-removed-text: #f87171;--diff-result-bg: rgba(0, 0, 0, .3);--diff-result-border: rgba(255, 255, 255, .15);--match-bg: rgba(59, 130, 246, .2);--match-border: rgba(59, 130, 246, .3);--match-text: #93c5fd;--replace-result-bg: rgba(0, 0, 0, .3);--replace-result-border: rgba(255, 255, 255, .1)}.app.light-theme{--bg-primary: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 50%, #dee2e6 100%);--bg-sidebar: linear-gradient(180deg, rgba(255, 255, 255, .9) 0%, rgba(248, 249, 250, .95) 100%);--bg-card: linear-gradient(135deg, rgba(255, 255, 255, .95) 0%, rgba(255, 255, 255, .9) 100%);--bg-input: rgba(255, 255, 255, .8);--bg-input-focus: rgba(255, 255, 255, 1);--bg-tool-item-hover: rgba(0, 0, 0, .05);--bg-tool-item-active: linear-gradient(135deg, rgba(59, 130, 246, .15) 0%, rgba(37, 99, 235, .2) 100%);--bg-btn-secondary: rgba(0, 0, 0, .05);--bg-btn-secondary-hover: rgba(0, 0, 0, .08);--bg-select: rgba(255, 255, 255, .8);--bg-scrollbar-track: rgba(0, 0, 0, .05);--bg-scrollbar-thumb: rgba(0, 0, 0, .2);--bg-scrollbar-thumb-hover: rgba(0, 0, 0, .3);--text-primary: #1f2937;--text-secondary: #374151;--text-tertiary: #6b7280;--text-quaternary: #9ca3af;--text-placeholder: rgba(0, 0, 0, .4);--border-color: rgba(0, 0, 0, .1);--border-color-input: rgba(0, 0, 0, .15);--border-color-focus: rgba(59, 130, 246, .6);--shadow-card: 0 4px 16px rgba(0, 0, 0, .1), inset 0 1px 0 rgba(255, 255, 255, .8);--shadow-btn: 0 2px 8px rgba(59, 130, 246, .25);--shadow-btn-hover: 0 4px 12px rgba(59, 130, 246, .35);--shadow-input-focus: 0 0 0 3px rgba(59, 130, 246, .15), 0 4px 12px rgba(0, 0, 0, .1);--shadow-tool-active: 0 2px 8px rgba(59, 130, 246, .2);--select-arrow: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%231f2937' d='M6 9L1 4h10z'/%3E%3C/svg%3E");--diff-added-bg: rgba(34, 197, 94, .15);--diff-added-text: #16a34a;--diff-removed-bg: rgba(239, 68, 68, .15);--diff-removed-text: #dc2626;--diff-result-bg: rgba(255, 255, 255, .8);--diff-result-border: rgba(0, 0, 0, .1);--match-bg: rgba(59, 130, 246, .15);--match-border: rgba(59, 130, 246, .25);--match-text: #2563eb;--replace-result-bg: rgba(255, 255, 255, .9);--replace-result-border: rgba(0, 0, 0, .1)}.app.light-theme .brand-icon{background:linear-gradient(135deg,#3b82f626,#2563eb40);color:#2563eb;box-shadow:0 2px 8px #3b82f633}.app.light-theme .brand-text{background:linear-gradient(135deg,var(--text-primary) 0%,rgba(37,99,235,.8) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}html,body{margin:0;padding:0;width:100%;height:100%;overflow:hidden;min-width:0;min-height:0}body{font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,SF Pro Text,Helvetica Neue,system-ui,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;display:flex;align-items:center;justify-content:center}body.electron-env{align-items:stretch!important;justify-content:stretch!important;width:100%!important;height:100%!important}body.chrome-extension-env,html.chrome-extension-env{align-items:stretch!important;justify-content:stretch!important;width:720px!important;height:480px!important;min-width:720px!important;min-height:480px!important;max-width:720px!important;max-height:480px!important}#app{width:100%;height:100%;display:flex;align-items:center;justify-content:center;min-width:0;min-height:0}body.electron-env #app{align-items:stretch!important;justify-content:stretch!important;width:100%!important;height:100%!important}body.chrome-extension-env #app,html.chrome-extension-env #app{align-items:stretch!important;justify-content:stretch!important;width:720px!important;height:480px!important;min-width:720px!important;min-height:480px!important;max-width:720px!important;max-height:480px!important;flex-shrink:0!important}.app{display:flex;flex-direction:column;width:720px;height:480px;min-width:720px;min-height:480px;box-sizing:border-box;background:var(--bg-primary);color:var(--text-secondary);border-radius:12px;overflow:hidden;transition:background .3s ease,color .3s ease,width .3s ease,height .3s ease,border-radius .3s ease}.app.electron{width:100%!important;height:100%!important;border-radius:0!important;max-width:none!important;max-height:none!important;min-width:0!important;min-height:0!important}body:not(.electron-env):not(.chrome-extension-env) #app{align-items:stretch!important;justify-content:stretch!important;width:100%!important;height:100%!important}body:not(.electron-env):not(.chrome-extension-env) .app{width:100%!important;height:100%!important;border-radius:0!important;max-width:none!important;max-height:none!important;min-width:0!important;min-height:0!important}.app.chrome-extension{width:720px!important;height:480px!important;min-width:720px!important;min-height:480px!important;max-width:720px!important;max-height:480px!important;border-radius:0!important;flex-shrink:0!important;display:flex!important;flex-direction:column!important}.chrome-extension-env{width:100%!important;height:100%!important;min-width:0!important;min-height:0!important}.app.fullscreen{width:100vw;height:100vh;border-radius:0;max-width:100%;max-height:100%}.app-content{display:flex;flex:1;overflow:hidden;min-height:0}.app.electron .app-content{flex:1;min-height:0}.app.chrome-extension .app-content{min-height:400px;flex:1 1 auto}.electron-titlebar{height:28px;width:100%;background:transparent;-webkit-app-region:drag;flex-shrink:0;z-index:1000;position:relative}.privacy-banner{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 16px;background:linear-gradient(135deg,#22c55e33,#16a34a40);border-top:1px solid rgba(34,197,94,.3);border-bottom:none;color:#4ade80;font-size:12px;font-weight:500;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 -2px 8px #22c55e26;z-index:10;flex-shrink:0}.app.light-theme .privacy-banner{background:linear-gradient(135deg,#22c55e26,#16a34a33);border-top:1px solid rgba(34,197,94,.25);border-bottom:none;color:#16a34a}.privacy-left{display:flex;align-items:center;gap:8px;flex:1}.privacy-icon{font-size:14px;flex-shrink:0}.privacy-text{flex:1;letter-spacing:.2px}.privacy-right{display:flex;align-items:flex-end;flex-shrink:0;margin-left:auto;text-align:right}.developer-info{display:flex;flex-direction:column;align-items:flex-end;gap:2px}.developer-label{font-size:10px;font-style:italic;opacity:.8;line-height:1.2}.developer-name{font-size:10px;font-style:italic;opacity:.9;line-height:1.2}.sidebar{width:180px;background:var(--bg-sidebar);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);color:var(--text-secondary);display:flex;flex-direction:column;box-sizing:border-box;border-right:1px solid var(--border-color);transition:background .3s ease,border-color .3s ease;overflow:hidden}.sidebar-header{flex-shrink:0;padding:12px;border-bottom:1px solid var(--border-color)}.electron .sidebar-header *,.electron .tool-item,.electron .main *,.electron .developer-info,.electron .privacy-banner{-webkit-app-region:no-drag}.sidebar-title{font-size:17px;font-weight:600;padding:8px 12px;margin-bottom:8px;color:var(--text-primary);letter-spacing:-.3px;display:flex;align-items:center;gap:8px;flex-shrink:0}.sidebar-controls{display:flex;flex-direction:row;gap:6px;flex-shrink:0}.brand-icon{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,#3b82f640,#2563eb59);flex-shrink:0;box-shadow:0 2px 8px #3b82f640;color:#3b82f6;transition:all .3s cubic-bezier(.4,0,.2,1);overflow:hidden;position:relative}.brand-icon-img{width:100%;height:100%;object-fit:contain;display:block}.brand-icon-svg{width:20px;height:20px;display:none;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.brand-icon-img[style*="display: none"]~.brand-icon-svg,.brand-icon:not(:has(.brand-icon-img:not([style*="display: none"]))) .brand-icon-svg{display:block}.sidebar-title:hover .brand-icon{transform:rotate(15deg) scale(1.05);box-shadow:0 4px 12px #3b82f659}.brand-text{flex:1;background:linear-gradient(135deg,var(--text-primary) 0%,rgba(59,130,246,.9) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.theme-toggle,.fullscreen-toggle,.settings-toggle,.developer-toggle{padding:6px;border-radius:8px;cursor:pointer;font-size:14px;display:flex!important;align-items:center;justify-content:center;color:var(--text-tertiary);transition:all .2s cubic-bezier(.4,0,.2,1);border:1px solid var(--border-color);background:var(--bg-btn-secondary);flex-shrink:0;visibility:visible!important;opacity:1!important;position:relative;z-index:10;margin:0;flex:1;min-height:28px}.theme-toggle:hover,.fullscreen-toggle:hover,.settings-toggle:hover,.developer-toggle:hover{background:var(--bg-btn-secondary-hover);color:var(--text-secondary);transform:scale(1.05)}.theme-toggle span,.fullscreen-toggle span,.settings-toggle span,.developer-toggle span{display:block;line-height:1}.tool-list{list-style:none;margin:0;padding:12px;flex:1;overflow-y:auto;min-height:0}.tool-item{padding:10px 12px;margin:4px 0;border-radius:10px;cursor:pointer;font-size:13px;transition:all .2s cubic-bezier(.4,0,.2,1);color:var(--text-tertiary);display:flex;align-items:center;gap:8px}.tool-emoji{font-size:16px;line-height:1;flex-shrink:0}.tool-name{flex:1}.tool-item:hover{background:var(--bg-tool-item-hover);color:var(--text-primary);transform:translate(2px)}.tool-item.active{background:var(--bg-tool-item-active);color:var(--text-primary);box-shadow:var(--shadow-tool-active)}.main{flex:1;padding:16px;box-sizing:border-box;overflow-y:auto;background:transparent;min-height:0}.app.electron .main{flex:1;min-height:0}.app.chrome-extension .main{min-height:350px}.tool-card{background:var(--bg-card);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:16px;padding:20px;box-shadow:var(--shadow-card);border:1px solid var(--border-color);transition:background .3s ease,border-color .3s ease,box-shadow .3s ease}.tool-title{margin:0 0 16px;font-size:18px;font-weight:600;color:var(--text-primary);letter-spacing:-.4px}.field-label{display:block;margin:12px 0 6px;font-size:12px;color:var(--text-tertiary);font-weight:500;letter-spacing:.2px}.textarea,.input{width:100%;box-sizing:border-box;padding:10px 14px;border-radius:12px;border:1px solid var(--border-color-input);font-size:13px;resize:vertical;background:var(--bg-input);color:var(--text-primary);transition:all .2s cubic-bezier(.4,0,.2,1);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.textarea::placeholder,.input::placeholder{color:var(--text-placeholder)}.textarea:focus,.input:focus{outline:none;border-color:var(--border-color-focus);background:var(--bg-input-focus);box-shadow:var(--shadow-input-focus)}select.input{background:var(--bg-select);color:var(--text-primary);cursor:pointer}select.input option{background:var(--bg-card);color:var(--text-primary)}.btn-row{display:flex;align-items:center;gap:10px;margin:12px 0;flex-wrap:wrap}.btn{border:none;border-radius:10px;padding:8px 16px;font-size:13px;font-weight:500;cursor:pointer;background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff;transition:all .2s cubic-bezier(.4,0,.2,1);box-shadow:var(--shadow-btn);letter-spacing:.2px}.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-btn-hover);background:linear-gradient(135deg,#4a90e2,#357abd)}.btn:active{transform:translateY(0)}.btn.secondary{background:var(--bg-btn-secondary);color:var(--text-secondary);box-shadow:0 2px 8px #0000001a;border:1px solid var(--border-color)}.btn.secondary:hover{background:var(--bg-btn-secondary-hover);box-shadow:0 4px 12px #00000026}.btn:disabled{opacity:.5;cursor:default;transform:none}.hint{font-size:11px;color:var(--text-quaternary)}.hint.error{color:#ff6b6b}.section{margin-bottom:16px}.divider{border:none;border-top:1px solid var(--border-color);margin:16px 0}.result-line{font-size:13px;color:var(--text-secondary);line-height:1.6}.result-line strong{color:var(--text-primary);font-weight:600}.tool-list::-webkit-scrollbar,.main::-webkit-scrollbar{width:8px}.tool-list::-webkit-scrollbar-track,.main::-webkit-scrollbar-track{background:var(--bg-scrollbar-track);border-radius:4px}.tool-list::-webkit-scrollbar-thumb,.main::-webkit-scrollbar-thumb{background:var(--bg-scrollbar-thumb);border-radius:4px}.tool-list::-webkit-scrollbar-thumb:hover,.main::-webkit-scrollbar-thumb:hover{background:var(--bg-scrollbar-thumb-hover)}input[type=checkbox]{width:16px;height:16px;cursor:pointer;accent-color:#3b82f6}select.input{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:var(--select-arrow);background-repeat:no-repeat;background-position:right 12px center;padding-right:36px}input[readonly],textarea[readonly]{opacity:.8;cursor:default}img{max-width:100%;height:auto}.settings-page,.developer-info-page{display:flex;align-items:center;justify-content:center;width:100%;height:100%;padding:20px}.developer-info-card{background:var(--bg-card);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:16px;padding:32px;box-shadow:var(--shadow-card);border:1px solid var(--border-color);max-width:500px;width:100%}.developer-info-title{margin:0 0 24px;font-size:24px;font-weight:600;color:var(--text-primary);text-align:center}.developer-info-content{display:flex;flex-direction:column;gap:20px}.developer-info-section{display:flex;flex-direction:column;gap:8px}.developer-info-label{font-size:12px;color:var(--text-tertiary);font-weight:500;text-transform:uppercase;letter-spacing:.5px}.developer-info-value{font-size:16px;color:var(--text-primary);font-weight:500}.json-expanded-modal{position:fixed;top:0;right:0;bottom:0;left:0;width:100vw;height:100vh;background:#000000b3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:10000;padding:20px;margin:0;box-sizing:border-box;animation:fadeIn .2s ease-out;overflow:auto}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.json-expanded-content{background:var(--bg-card);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:16px;box-shadow:0 20px 60px #00000080;border:1px solid var(--border-color);max-height:90vh;display:flex;flex-direction:column;margin:auto;animation:slideUp .3s ease-out;position:relative}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.json-expanded-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--border-color)}.json-expanded-header h3{margin:0;font-size:18px;font-weight:600;color:var(--text-primary)}.json-expanded-actions{display:flex;gap:8px}.json-expanded-body{flex:1;overflow:auto;padding:24px;min-height:200px}.json-expanded-text{margin:0;font-family:Monaco,Menlo,Ubuntu Mono,Consolas,source-code-pro,monospace;font-size:14px;line-height:1.6;color:var(--text-primary);white-space:pre-wrap;word-wrap:break-word;background:var(--bg-input);padding:16px;border-radius:8px;border:1px solid var(--border-color-input);overflow-x:auto}.app.light-theme .json-expanded-modal{background:#00000080}.app.light-theme .json-expanded-text{background:var(--bg-input)}