:root{--header-height: 64px;--bg-primary: #ffffff;--bg-secondary: #ffffff;--text-primary: #363636;--text-secondary: #757575;--border-color: #e5e5e5;--accent-color: #2196f3;--accent-hover: #1976d2;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .1);--shadow-md: 0 4px 16px rgba(0, 0, 0, .12)}html.dark-mode{--bg-primary: #2d2d2d;--bg-secondary: #2d2d2d;--text-primary: #ffffff;--text-secondary: #adb5bd;--border-color: #404040;--accent-color: #42a5f5;--accent-hover: #2196f3;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 4px 16px rgba(0, 0, 0, .4)}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--bg-primary);min-height:100vh;transition:background-color .2s ease;color:var(--text-primary)}.app{display:flex;flex-direction:column;height:100vh;overflow:hidden}.app-container{display:flex;flex:1;overflow:hidden}.main-content{flex:1;overflow-y:auto;background:var(--bg-primary);position:relative;transition:background .3s ease;width:100%}.message{position:fixed;top:90px;right:20px;padding:15px 20px;border-radius:10px;display:flex;align-items:center;justify-content:space-between;gap:15px;max-width:400px;animation:slideIn .3s ease-out;box-shadow:0 5px 20px #0003;z-index:1001;font-weight:600}@keyframes slideIn{0%{transform:translate(420px);opacity:0}to{transform:translate(0);opacity:1}}.message-success{background-color:#4caf50;color:#fff}.message-error{background-color:#f44336;color:#fff}.message-warning{background-color:#ff9800;color:#fff}.message-close{background:none;border:none;color:inherit;cursor:pointer;font-size:1.2em;padding:0;opacity:.8;transition:opacity .2s}.message-close:hover{opacity:1}.error-log-panel{position:fixed;bottom:20px;right:20px;background-color:#fff;border:2px solid #ff9800;border-radius:10px;box-shadow:0 10px 30px #0000004d;max-width:500px;max-height:600px;display:flex;flex-direction:column;z-index:999;animation:slideUp .3s ease-out}@keyframes slideUp{0%{transform:translateY(650px);opacity:0}to{transform:translateY(0);opacity:1}}.error-log-header{display:flex;justify-content:space-between;align-items:center;padding:15px;border-bottom:2px solid #ff9800;background-color:#fff8f0}.error-log-header h3{margin:0;color:#d32f2f;font-size:1.1em}.error-log-close{background:none;border:none;font-size:1.5em;color:#d32f2f;cursor:pointer;transition:transform .2s}.error-log-close:hover{transform:scale(1.2)}.error-log-content{overflow-y:auto;flex:1;padding:15px}.error-log-item{margin-bottom:15px;padding:12px;background-color:#f5f5f5;border-left:4px solid #d32f2f;border-radius:4px;font-family:Courier New,monospace;font-size:.85em}.error-log-time{color:#666;font-size:.8em;margin-bottom:8px}.error-log-message{color:#d32f2f;margin-bottom:8px;word-break:break-word}.error-log-context{color:#666;font-size:.8em;margin-bottom:8px}.error-log-stack{margin-top:8px;cursor:pointer}.error-log-stack summary{color:#06c;text-decoration:underline;padding:5px;border-radius:3px;transition:background-color .2s}.error-log-stack summary:hover{background-color:#e3f2fd}.error-log-stack pre{background-color:#fff;border:1px solid #ddd;padding:10px;border-radius:4px;overflow-x:auto;max-height:200px;overflow-y:auto;margin:10px 0 0;color:#333}.tool-content{width:100%;max-width:100%}@media (min-width: 769px){.sidemenu{transform:translate(0)!important}}@media (max-width: 768px){.message{top:80px;right:10px;left:10px;max-width:unset}.error-log-panel{right:10px;left:10px;max-width:unset;bottom:60px}}@media (max-width: 480px){.message{top:75px;right:5px;left:5px;padding:12px 15px;font-size:.9em}.error-log-panel{right:5px;left:5px;max-height:50vh;bottom:50px}.error-log-content{padding:10px}.error-log-item{padding:10px;font-size:.8em;margin-bottom:10px}}.main-content::-webkit-scrollbar,.sidemenu-nav::-webkit-scrollbar,.error-log-content::-webkit-scrollbar{width:8px}.main-content::-webkit-scrollbar-track,.sidemenu-nav::-webkit-scrollbar-track,.error-log-content::-webkit-scrollbar-track{background:#0000001a}.main-content::-webkit-scrollbar-thumb,.sidemenu-nav::-webkit-scrollbar-thumb,.error-log-content::-webkit-scrollbar-thumb{background:#667eea80;border-radius:4px}.main-content::-webkit-scrollbar-thumb:hover,.sidemenu-nav::-webkit-scrollbar-thumb:hover,.error-log-content::-webkit-scrollbar-thumb:hover{background:#667eeab3}.header{height:var(--header-height);background:var(--bg-secondary);border-bottom:1px solid var(--border-color);position:fixed;top:0;left:0;right:0;z-index:100;box-shadow:var(--shadow-sm)}.header-container{max-width:1400px;margin:0 auto;height:100%;display:flex;align-items:center;justify-content:space-between;padding:0 24px;gap:24px}.header-logo{cursor:pointer;-webkit-user-select:none;user-select:none;display:flex;align-items:center;gap:8px}.header-logo h1{font-size:22px;font-weight:700;margin:0;color:var(--accent-color);letter-spacing:-.5px}.header-nav{display:flex;gap:4px;flex:1;max-width:500px}.nav-link{background:none;border:none;color:var(--text-primary);font-size:15px;font-weight:500;padding:8px 16px;border-radius:6px;cursor:pointer;transition:all .2s ease;white-space:nowrap;display:flex;align-items:center;gap:6px}.nav-link:hover{background:var(--bg-primary);color:var(--accent-color)}.nav-dropdown{position:relative}.dropdown-arrow{font-size:10px;transition:transform .2s ease}.nav-dropdown:hover .dropdown-arrow{transform:rotate(180deg)}.dropdown-menu{position:absolute;top:100%;left:0;min-width:280px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px;box-shadow:0 8px 24px #0000001f;padding:12px;margin-top:8px;z-index:1000;animation:dropdownFadeIn .2s ease}.dropdown-menu:before{content:"";position:absolute;top:-8px;left:0;right:0;height:8px;background:transparent}@keyframes dropdownFadeIn{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.dropdown-section{padding:8px 0}.dropdown-title{font-size:13px;font-weight:600;color:var(--text-secondary);margin:0 0 8px 12px;text-transform:uppercase;letter-spacing:.5px}.dropdown-item{width:100%;background:none;border:none;color:var(--text-primary);font-size:14px;font-weight:500;padding:10px 12px;border-radius:8px;cursor:pointer;transition:all .2s ease;text-align:left;display:flex;align-items:center;gap:10px;position:relative}.dropdown-item:hover:not(.disabled){background:var(--bg-primary);color:var(--accent-color)}.dropdown-item.disabled{opacity:.5;cursor:not-allowed}.tool-icon{font-size:18px;flex-shrink:0}.coming-soon{margin-left:auto;font-size:11px;color:var(--text-secondary);background:var(--border-color);padding:2px 8px;border-radius:4px;font-weight:600}.dropdown-divider{height:1px;background:var(--border-color);margin:8px 0}.header-actions{display:flex;align-items:center;gap:12px}.language-switcher{display:flex;align-items:center;gap:4px;background:var(--bg-primary);border-radius:6px;padding:4px}.lang-btn{background:none;border:none;color:var(--text-secondary);font-size:13px;font-weight:500;padding:6px 12px;border-radius:4px;cursor:pointer;transition:all .2s ease}.lang-btn:hover{color:var(--text-primary)}.lang-btn.active{background:var(--bg-secondary);color:var(--accent-color);font-weight:600;box-shadow:var(--shadow-sm)}.lang-divider{display:none}.theme-toggle{background:var(--bg-primary);border:none;color:var(--text-primary);width:36px;height:36px;border-radius:6px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:16px;transition:all .2s ease}.theme-toggle:hover{background:var(--border-color)}.menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;flex-direction:column;gap:4px;z-index:1001}.menu-toggle span{width:24px;height:2px;background:var(--text-primary);border-radius:2px;transition:all .3s ease}.mobile-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;z-index:998}.mobile-menu{display:none;position:fixed;top:var(--header-height);right:0;width:280px;max-width:80vw;height:calc(100vh - var(--header-height));background:var(--bg-secondary);border-left:1px solid var(--border-color);box-shadow:-4px 0 12px #0000001a;overflow-y:auto;z-index:999;padding:16px;animation:slideInRight .3s ease}@keyframes slideInRight{0%{transform:translate(100%)}to{transform:translate(0)}}.mobile-nav-link{width:100%;background:none;border:none;color:var(--text-primary);font-size:15px;font-weight:500;padding:12px 16px;border-radius:8px;cursor:pointer;transition:all .2s ease;text-align:left;display:block;margin-bottom:4px}.mobile-nav-link:hover:not(.disabled){background:var(--bg-primary);color:var(--accent-color)}.mobile-nav-link.disabled{opacity:.5;cursor:not-allowed}.mobile-section{margin:16px 0;padding:12px 0;border-top:1px solid var(--border-color)}.mobile-section:first-child{border-top:none;margin-top:0}.mobile-section-title{font-size:12px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px;padding:0 16px}.mobile-tool{display:flex;align-items:center;gap:12px;position:relative}.mobile-tool .tool-icon{font-size:18px}.mobile-tool .coming-soon{margin-left:auto;font-size:10px;color:var(--text-secondary);background:var(--border-color);padding:2px 6px;border-radius:4px;font-weight:600}@media (max-width: 768px){.header-container{padding:0 16px}.header-logo h1{font-size:18px}.header-nav{display:none}.menu-toggle{display:flex}.mobile-overlay,.mobile-menu{display:block}.language-switcher{padding:2px}.lang-btn{padding:4px 8px;font-size:12px}.theme-toggle{width:32px;height:32px;font-size:14px}}.logo-highlight{color:var(--accent-color);font-weight:800}.home{padding-top:var(--header-height);min-height:100vh;background:var(--bg-primary)}.hero{padding:60px 24px 40px;text-align:center}.hero-content{max-width:900px;margin:0 auto}.hero h1{font-size:42px;font-weight:700;margin:0 0 16px;color:var(--text-primary);line-height:1.2}.hero p{font-size:18px;color:var(--text-secondary);margin:0 0 40px;line-height:1.6}.hero-button{background:var(--accent-color);color:#fff;border:none;padding:16px 48px;font-size:17px;font-weight:600;border-radius:8px;cursor:pointer;transition:all .2s ease;box-shadow:var(--shadow-md);display:inline-flex;align-items:center;gap:8px}.hero-button:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 6px 20px #d5443e4d}.tools-section{padding:40px 24px 80px;max-width:1200px;margin:0 auto}.tools-section h2{font-size:28px;font-weight:600;margin:0 0 32px;color:var(--text-primary);text-align:center}.tools-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;max-width:900px;margin:0 auto}.tool-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px;padding:32px 24px;cursor:pointer;transition:all .3s ease;box-shadow:var(--shadow-sm);text-align:center}.tool-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--accent-color)}.tool-icon{font-size:48px;margin-bottom:16px;line-height:1}.tool-card h3{font-size:20px;font-weight:600;margin:0 0 12px;color:var(--text-primary)}.tool-card p{font-size:14px;color:var(--text-secondary);margin:0;line-height:1.6}@media (max-width: 768px){.hero{padding:40px 20px 30px}.hero h1{font-size:32px}.hero p{font-size:16px;margin-bottom:30px}.hero-button{padding:14px 36px;font-size:16px}.tools-section{padding:30px 20px 60px}.tools-section h2{font-size:24px}.tools-grid{grid-template-columns:1fr;gap:16px}.tool-card{padding:24px 20px}}@media (max-width: 480px){.hero h1{font-size:28px}.hero p{font-size:15px}.hero-button{padding:12px 28px;font-size:15px}}.tool-selector-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:10000;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.tool-selector-modal{background:var(--bg-primary);border-radius:16px;padding:40px 32px;max-width:600px;width:calc(100% - 40px);max-height:80vh;overflow-y:auto;box-shadow:0 20px 60px #0000004d;animation:slideUp .3s ease}@keyframes slideUp{0%{transform:translateY(30px);opacity:0}to{transform:translateY(0);opacity:1}}.tool-selector-modal h2{font-size:24px;font-weight:600;margin:0 0 24px;color:var(--text-primary);text-align:center}.tool-selector-grid{display:grid;gap:16px;margin-bottom:24px}.tool-selector-card{background:var(--bg-secondary);border:2px solid var(--border-color);border-radius:12px;padding:20px;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;gap:16px}.tool-selector-card:hover{border-color:var(--accent-color);background:var(--bg-hover);transform:translate(4px)}.tool-selector-icon{font-size:40px;line-height:1;flex-shrink:0}.tool-selector-card h3{font-size:18px;font-weight:600;margin:0 0 4px;color:var(--text-primary)}.tool-selector-card p{font-size:13px;color:var(--text-secondary);margin:0;line-height:1.5}.cancel-button{width:100%;padding:12px 24px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;color:var(--text-primary);font-size:15px;font-weight:500;cursor:pointer;transition:all .2s ease}.cancel-button:hover{background:var(--bg-hover);border-color:var(--text-secondary)}@media (max-width: 480px){.tool-selector-modal{padding:28px 20px}.tool-selector-modal h2{font-size:20px;margin-bottom:20px}.tool-selector-card{padding:16px;flex-direction:column;text-align:center}.tool-selector-icon{font-size:36px}}.file-uploader{width:100%}.upload-area{border:2px dashed var(--border-color);border-radius:12px;padding:80px 40px;text-align:center;cursor:pointer;transition:all .3s ease;background:var(--bg-primary);position:relative}.upload-area:hover,.upload-area.dragging{border-color:var(--accent-color);background:#d5443e0d;transform:translateY(-2px)}.upload-area h3{font-size:20px;font-weight:600;color:var(--text-primary);margin:16px 0 8px}.upload-area p{font-size:15px;color:var(--text-secondary);margin:0}.upload-icon{width:64px;height:64px;margin:0 auto 20px;color:var(--accent-color);display:flex;align-items:center;justify-content:center}.upload-icon svg{width:100%;height:100%}.upload-error{color:#d32f2f;font-size:14px;margin-top:16px;padding:12px;background:#d32f2f1a;border-radius:8px}.file-list{margin-top:24px}.file-list h4{font-size:16px;font-weight:600;color:var(--text-primary);margin-bottom:16px}.file-list ul{list-style:none;padding:0;margin:0}.file-list li{display:flex;align-items:center;gap:12px;padding:16px;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:8px;margin-bottom:12px;transition:all .2s ease}.file-list li:hover{border-color:var(--accent-color);box-shadow:var(--shadow-sm)}.file-icon{font-size:24px;flex-shrink:0}.file-name{flex:1;font-size:15px;font-weight:500;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:120px}.file-size{font-size:13px;color:var(--text-secondary);flex-shrink:0}.upload-progress-wrapper{display:flex;flex-direction:column;gap:4px;min-width:150px}.progress-bar{width:100%;height:6px;background:var(--border-color);border-radius:3px;overflow:hidden}.progress-bar-inner{height:100%;background:var(--accent-color);transition:width .3s ease}.upload-status-complete{font-size:12px;color:#4caf50;font-weight:500;text-align:center}.upload-status-uploading{font-size:12px;color:var(--text-secondary)}.download-btn-inline{flex-shrink:0}.download-btn-inline button{padding:8px 16px;font-size:13px;white-space:nowrap}.remove-btn{background:none;border:1px solid var(--border-color);color:var(--text-secondary);cursor:pointer;padding:8px 16px;font-size:13px;transition:all .2s ease;border-radius:6px;flex-shrink:0;white-space:nowrap}.remove-btn:hover{background:#d5443e1a;border-color:var(--accent-color);color:var(--accent-color)}@media (max-width: 768px){.upload-area{padding:60px 24px}.upload-area h3{font-size:18px}.upload-area p{font-size:14px}.upload-icon{width:48px;height:48px}.file-list li{flex-wrap:wrap;gap:8px}.file-name{width:100%;min-width:100%}.upload-progress-wrapper{width:100%;order:3}.download-btn-inline{width:100%;order:4}.download-btn-inline button{width:100%}.remove-btn{order:5;width:100%}}.conversion-options{width:100%}.options-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:24px}.option-group{display:flex;flex-direction:column;gap:10px}.option-label{font-size:14px;font-weight:600;color:var(--text-primary)}.format-select,.quality-input{padding:12px 16px;border:1px solid var(--border-color);border-radius:8px;font-size:15px;background:var(--bg-primary);color:var(--text-primary);transition:all .2s ease;font-family:inherit}.format-select:focus,.quality-input:focus,.quality-slider:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 3px #2196f31a}.quality-input{width:100%}.quality-labels{display:flex;justify-content:space-between;font-size:12px;color:var(--text-secondary);margin-top:8px}.option-group label{font-size:14px;font-weight:600;color:var(--text-primary);margin-bottom:8px}.convert-btn{width:100%;padding:14px 24px;background:var(--accent-color);color:#fff;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s ease;box-shadow:var(--shadow-md);margin-top:16px}.convert-btn:hover:not(:disabled){background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 6px 20px #2196f34d}.convert-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}@media (max-width: 768px){.options-grid{grid-template-columns:1fr;gap:16px}.convert-btn{padding:14px 20px}}@media (max-width: 480px){.option-group label{font-size:13px}.format-select{font-size:14px;padding:10px 12px}.quality-labels{font-size:11px}.convert-btn{padding:12px 16px;font-size:15px}}.image-preview{width:100%}.preview-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;max-width:100%}.preview-item{border:1px solid var(--border-color);border-radius:8px;padding:12px;background:var(--bg-primary);transition:all .2s ease;overflow:hidden;display:flex;flex-direction:column}.preview-item:hover{border-color:var(--accent-color);box-shadow:var(--shadow-sm)}.preview-image{width:100%;height:240px;border-radius:6px;background:#fff;margin-bottom:12px;display:flex;align-items:center;justify-content:center;overflow:hidden}.preview-image img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain}.preview-info{font-size:13px;color:var(--text-secondary);text-align:center}.preview-name{font-weight:500;color:var(--text-primary);margin-bottom:4px;word-break:break-all;font-size:13px;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical}@media (max-width: 768px){.preview-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}.preview-image{height:180px}.preview-info,.preview-name{font-size:12px}}@media (max-width: 480px){.preview-grid{grid-template-columns:repeat(2,1fr)}.preview-image{height:160px}}.download-btn-simple{background:#2196f3;color:#fff;border:none;cursor:pointer;padding:8px 16px;font-size:13px;transition:all .2s ease;border-radius:6px;flex-shrink:0;white-space:nowrap}.download-btn-simple:hover{background:#1976d2;transform:translateY(-1px);box-shadow:0 2px 8px #2196f34d}.download-btn-simple:active{transform:translateY(0)}.image-converter-tool{padding-top:var(--header-height);min-height:100vh;background:var(--bg-primary)}.tool-container{max-width:1400px;margin:0 auto;padding:48px 24px 80px}.tool-header{text-align:center;margin-bottom:40px}.tool-header h1{font-size:38px;font-weight:700;margin:0 0 12px;color:var(--text-primary)}.tool-header p{font-size:17px;color:var(--text-secondary);margin:0;line-height:1.6}.download-section-top{max-width:800px;margin:0 auto 32px;animation:slideDown .4s ease-out}.download-section-top .tool-main-card{background:linear-gradient(135deg,#f5f7fa,#fff);border:2px solid var(--accent-color);box-shadow:0 4px 20px #d5443e26}.download-section-top .section-title{color:var(--accent-color);text-align:center;font-size:20px;margin-bottom:24px}@keyframes slideDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.tool-content{display:grid;grid-template-columns:1fr;gap:24px;align-items:start;max-width:900px;margin:0 auto}.tool-content.has-files{grid-template-columns:1fr 1fr;max-width:100%}.tool-main-card{background:var(--bg-secondary);border-radius:16px;padding:48px 40px;box-shadow:var(--shadow-md);border:1px solid var(--border-color)}.tool-section{margin-bottom:32px}.tool-section:last-child{margin-bottom:0}.section-title{font-size:18px;font-weight:600;margin:0 0 20px;color:var(--text-primary)}.divider{height:1px;background:var(--border-color);margin:32px 0}@media (max-width: 1024px){.tool-content,.tool-content.has-files{grid-template-columns:1fr;max-width:100%}}@media (max-width: 768px){.tool-container{padding:32px 16px 60px}.tool-header h1{font-size:28px}.tool-header p{font-size:15px}.tool-main-card{padding:32px 24px;border-radius:12px}.section-title{font-size:16px}}@media (max-width: 480px){.tool-container{padding:24px 12px 60px}.tool-header{margin-bottom:24px}.tool-header h1{font-size:24px}.tool-header p{font-size:14px}.tool-content,.tool-left-panel,.tool-right-panel{gap:16px}.tool-main-card{padding:20px 16px;border-radius:8px}.section-title{font-size:14px}.divider{margin:20px 0}}.image-resize-crop-tool{padding-top:var(--header-height);min-height:100vh;background:var(--bg-primary)}.tool-header{text-align:center;margin-bottom:32px}.tool-header h1{font-size:32px;font-weight:700;color:var(--text-primary);margin-bottom:12px}.tool-header p{font-size:16px;color:var(--text-secondary);margin-bottom:16px}.version-badge{display:inline-block;padding:6px 16px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-radius:20px;font-size:13px;font-weight:600;box-shadow:0 2px 8px #667eea4d}.mode-selector{max-width:600px;margin:0 auto 32px;display:flex;gap:12px;background:var(--bg-secondary);padding:8px;border-radius:12px;border:1px solid var(--border-color)}.mode-btn{flex:1;padding:14px 24px;background:none;border:none;border-radius:8px;font-size:16px;font-weight:600;color:var(--text-secondary);cursor:pointer;transition:all .2s ease;display:flex;align-items:center;justify-content:center;gap:8px}.mode-btn:hover{background:var(--bg-primary);color:var(--text-primary)}.mode-btn.active{background:var(--accent-color);color:#fff;box-shadow:var(--shadow-md)}.upload-section{max-width:800px;margin:0 auto}.upload-area{border:2px dashed var(--border-color);border-radius:16px;padding:80px 40px;text-align:center;cursor:pointer;transition:all .3s ease;background:var(--bg-secondary)}.upload-area:hover{border-color:var(--accent-color);background:#2196f30d;transform:translateY(-2px)}.upload-icon{width:64px;height:64px;margin:0 auto 24px;color:var(--accent-color)}.upload-area h3{font-size:22px;font-weight:600;margin-bottom:12px;color:var(--text-primary)}.upload-area p{font-size:15px;color:var(--text-secondary)}.tool-content{display:grid;grid-template-columns:1fr;gap:24px;max-width:1400px;margin:0 auto}.tool-content.has-file{grid-template-columns:1.2fr 1fr}.tool-left-panel,.tool-right-panel{display:flex;flex-direction:column;gap:24px}.preview-section h3,.settings-section h3{font-size:18px;font-weight:600;margin-bottom:20px;color:var(--text-primary)}.image-preview-container{position:relative;width:100%;min-height:400px;max-height:600px;background:#f5f5f5;border-radius:12px;overflow:hidden;display:flex;align-items:center;justify-content:center;margin-bottom:20px;-webkit-user-select:none;user-select:none}.preview-image{max-width:100%;max-height:600px;width:auto;height:auto;object-fit:contain;display:block;pointer-events:none}.crop-overlay{position:absolute;border:3px solid var(--accent-color);background:#2196f326;box-shadow:0 0 0 9999px #0009;z-index:10;pointer-events:auto;cursor:move}.crop-overlay:active{cursor:grabbing}.crop-handle{position:absolute;width:14px;height:14px;background:#fff;border:3px solid var(--accent-color);border-radius:50%;z-index:20;transition:all .15s ease;box-shadow:0 2px 6px #0000004d}.crop-handle:hover{transform:scale(1.4);background:var(--accent-color);box-shadow:0 3px 10px #2196f380}.crop-handle:active{transform:scale(1.2)}.crop-handle-nw{top:-6px;left:-6px;cursor:nw-resize}.crop-handle-ne{top:-6px;right:-6px;cursor:ne-resize}.crop-handle-sw{bottom:-6px;left:-6px;cursor:sw-resize}.crop-handle-se{bottom:-6px;right:-6px;cursor:se-resize}.crop-grid{position:absolute;top:0;left:0;right:0;bottom:0;pointer-events:none}.crop-grid-line{position:absolute;background:#ffffff80}.crop-grid-v1{left:33.333%;top:0;bottom:0;width:1px}.crop-grid-v2{left:66.666%;top:0;bottom:0;width:1px}.crop-grid-h1{top:33.333%;left:0;right:0;height:1px}.crop-grid-h2{top:66.666%;left:0;right:0;height:1px}.file-info{background:var(--bg-primary);padding:16px;border-radius:8px;margin-bottom:16px}.file-info p{margin:8px 0;font-size:14px;color:var(--text-secondary)}.file-info strong{color:var(--text-primary);font-weight:600}.change-file-btn{width:100%;padding:12px;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:8px;color:var(--text-primary);font-size:15px;font-weight:500;cursor:pointer;transition:all .2s ease}.change-file-btn:hover{border-color:var(--accent-color);color:var(--accent-color);background:#2196f30d}.settings-section{padding:0}.input-group{margin-bottom:20px}.input-group label{display:block;font-size:14px;font-weight:600;color:var(--text-primary);margin-bottom:8px}.input-group input[type=number],.input-group select{width:100%;padding:12px 16px;border:1px solid var(--border-color);border-radius:8px;font-size:15px;background:var(--bg-primary);color:var(--text-primary);transition:all .2s ease}.input-group input[type=number]:focus,.input-group select:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 3px #2196f31a}.checkbox-group{margin:20px 0}.checkbox-group label{display:flex;align-items:center;gap:8px;font-size:15px;color:var(--text-primary);cursor:pointer}.checkbox-group input[type=checkbox]{width:18px;height:18px;cursor:pointer;accent-color:var(--accent-color)}.crop-info{background:var(--bg-primary);padding:16px;border-radius:8px;margin-bottom:20px}.crop-info p{color:var(--text-secondary);font-size:14px;margin-bottom:12px}.crop-details{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:12px}.crop-details p{background:var(--bg-secondary);padding:8px 12px;border-radius:6px;font-size:13px;margin:0}.divider{height:1px;background:var(--border-color);margin:24px 0}.quality-slider{width:100%;height:6px;border-radius:3px;background:linear-gradient(to right,#2196F3 0%,#2196F3 var(--value, 50%),#e0e0e0 var(--value, 50%),#e0e0e0 100%);outline:none;-webkit-appearance:none;-moz-appearance:none;appearance:none;transition:background .2s ease,opacity .2s ease;cursor:pointer}.quality-slider:disabled{opacity:.4;cursor:not-allowed;background:linear-gradient(to right,#999 0%,#999 var(--value, 50%),#e0e0e0 var(--value, 50%),#e0e0e0 100%)}.quality-note{font-size:12px;color:var(--text-secondary);font-weight:400;margin-left:8px}.quality-slider::-webkit-slider-runnable-track{width:100%;height:6px;border-radius:3px;background:transparent}.quality-slider::-moz-range-track{width:100%;height:6px;border-radius:3px;background:transparent}.quality-slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:18px;height:18px;border-radius:50%;background:var(--accent-color);cursor:pointer;transition:all .2s ease;margin-top:-6px;box-shadow:0 2px 4px #0003}.quality-slider::-webkit-slider-thumb:hover{transform:scale(1.2);box-shadow:0 3px 8px #2196f366}.quality-slider::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--accent-color);cursor:pointer;border:none;transition:all .2s ease;box-shadow:0 2px 4px #0003}.quality-slider::-moz-range-thumb:hover{transform:scale(1.2);box-shadow:0 3px 8px #2196f366}.download-btn{width:100%;padding:16px 24px;background:var(--accent-color);color:#fff;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s ease;box-shadow:var(--shadow-md);margin-top:16px}.download-btn:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 6px 20px #2196f34d}.download-btn:active{transform:translateY(0)}@media (max-width: 1024px){.tool-content.has-file{grid-template-columns:1fr}}@media (max-width: 768px){.mode-selector{margin-bottom:24px}.mode-btn{padding:12px 16px;font-size:14px}.upload-area{padding:60px 24px}.upload-area h3{font-size:18px}.image-preview-container,.preview-image{max-height:300px}}@media (max-width: 480px){.mode-selector{flex-direction:column;gap:8px}.upload-area{padding:40px 20px}.upload-area h3{font-size:16px}.upload-icon{width:48px;height:48px}.crop-details{grid-template-columns:1fr}}.compress-tool-container{padding-top:var(--header-height);min-height:100vh;background:var(--bg-primary);padding:80px 20px}.compress-tool-content{width:100%;max-width:1200px;margin:0 auto}.compress-title{font-size:2.5rem;color:var(--text-primary);text-align:center;margin-bottom:10px;display:flex;align-items:center;justify-content:center;gap:15px}.compress-icon{font-size:3rem}.compress-subtitle{text-align:center;color:var(--text-secondary);font-size:1.1rem;margin-bottom:40px}.compress-upload-area{background:var(--bg-secondary);border:3px dashed rgba(33,150,243,.5);border-radius:20px;padding:80px 40px;text-align:center;cursor:pointer;transition:all .3s ease}.compress-upload-area:hover{background:var(--bg-secondary);border-color:#2196f3cc;transform:translateY(-5px);box-shadow:var(--shadow-md)}.upload-icon{font-size:5rem;margin-bottom:20px}.upload-text{font-size:1.5rem;color:var(--text-primary);margin-bottom:10px}.upload-hint{color:var(--text-secondary);font-size:1rem}.compress-processing-area{background:var(--bg-secondary);border-radius:20px;padding:40px;border:1px solid var(--border-color)}.compress-progress-container{margin-bottom:30px}.compress-progress-bar{width:100%;height:30px;background:var(--border-color);border-radius:15px;overflow:hidden;position:relative}.compress-progress-fill{height:100%;background:linear-gradient(90deg,#2196f3,#64b5f6);transition:width .3s ease;display:flex;align-items:center;justify-content:flex-end;padding-right:10px;border-radius:15px}.compress-progress-text{text-align:center;color:var(--text-primary);margin-top:10px;font-size:1.1rem;font-weight:600}.compress-error{background:#ef44441a;border:2px solid rgba(239,68,68,.5);border-radius:10px;padding:20px;margin-bottom:30px;color:#fca5a5;display:flex;align-items:center;gap:10px}.error-icon{font-size:1.5rem}.compress-preview-container{display:grid;grid-template-columns:1fr auto 1fr;gap:30px;margin-bottom:30px;align-items:center}.compress-preview-box{background:var(--bg-secondary);border-radius:15px;padding:25px;border:2px solid rgba(33,150,243,.3)}.preview-title{color:var(--text-primary);font-size:1.3rem;margin-bottom:20px;text-align:center;font-weight:600}.preview-image-wrapper{width:100%;background:var(--bg-primary);border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:20px;border:1px solid var(--border-color);padding:15px}.preview-image{max-width:100%;width:auto;height:auto;object-fit:contain;display:block}.preview-info{text-align:center}.info-label{color:var(--text-secondary);font-size:.9rem;margin-bottom:5px;margin-top:10px}.info-value{color:var(--text-primary);font-size:1.1rem;font-weight:600;margin-bottom:10px}.size-original{color:#fbbf24}.size-compressed{color:#34d399}.size-saved{color:#2196f3}.compress-arrow{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px}.arrow-icon{font-size:3rem;color:#2196f3}.arrow-text{color:var(--text-secondary);font-size:.9rem;text-align:center;line-height:1.5}.arrow-text strong{color:#2196f3;font-size:1.3rem}.compress-actions{display:flex;gap:20px;justify-content:center;flex-wrap:wrap}.btn-download,.btn-reset{padding:15px 40px;border:none;border-radius:10px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;gap:10px}.btn-download{background:linear-gradient(135deg,#2196f3,#64b5f6);color:#fff}.btn-download:hover{transform:translateY(-3px);box-shadow:0 10px 25px #2196f366}.btn-reset{background:var(--bg-secondary);color:var(--text-primary);border:2px solid var(--border-color)}.btn-reset:hover{background:var(--bg-primary);transform:translateY(-3px);box-shadow:var(--shadow-md)}.btn-icon{font-size:1.3rem}@media (max-width: 1024px){.compress-preview-container{grid-template-columns:1fr;gap:20px}.compress-arrow{transform:rotate(90deg)}}@media (max-width: 768px){.compress-title{font-size:2rem}.compress-icon{font-size:2.5rem}.compress-upload-area{padding:60px 30px}.upload-icon{font-size:4rem}.upload-text{font-size:1.2rem}.compress-processing-area{padding:25px}.preview-image-wrapper{padding:10px}.compress-actions{flex-direction:column}.btn-download,.btn-reset{width:100%;justify-content:center}}@media (max-width: 480px){.compress-title{font-size:1.5rem;flex-direction:column;gap:5px}.compress-subtitle{font-size:.9rem}.compress-upload-area{padding:40px 20px}.upload-text{font-size:1rem}.upload-hint{font-size:.85rem}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:var(--bg-primary);min-height:100vh}#root{min-height:100vh}