:root{--bg-primary:#1a1a1a;--bg-secondary:#252525;--bg-card:#2a2a2a;--bg-input:#333;--text-primary:#e0e0e0;--text-secondary:#888;--accent:#ff6b00;--accent-hover:#ff8533;--border:#3a3a3a;--danger:#e94560}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-primary);color:var(--text-primary);height:100vh;font-family:system-ui,-apple-system,sans-serif;overflow:hidden}#root{flex-direction:column;height:100vh;display:flex}.tab-bar{background:var(--bg-secondary);border-bottom:1px solid var(--border);flex-shrink:0;align-items:center;gap:2px;height:40px;padding:0 4px;display:flex;overflow-x:auto}.tab-bar::-webkit-scrollbar{height:3px}.tab-bar::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}.tab{background:var(--bg-primary);cursor:pointer;border:1px solid #0000;border-bottom:none;border-radius:6px 6px 0 0;flex-shrink:0;align-items:center;gap:6px;min-width:100px;max-width:200px;height:32px;padding:0 10px;transition:background 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iframe{border:none;width:100%;height:100%;position:absolute;top:0;left:0}.home-page{background:var(--bg-primary);flex-direction:column;flex:1;align-items:center;gap:32px;padding:40px 20px;display:flex;overflow-y:auto}.home-logo{color:#fff;letter-spacing:-1px;justify-content:center;align-items:center;gap:12px;font-size:48px;font-weight:800;display:flex}.home-logo-img{object-fit:contain;width:56px;height:56px}.home-subtitle{color:var(--text-secondary);margin-top:-20px;font-size:14px}.home-search{background:var(--bg-card);border:1px solid var(--border);width:100%;max-width:540px;height:44px;color:var(--text-primary);border-radius:22px;outline:none;padding:0 20px;font-size:15px;transition:border-color .15s}.home-search:focus{border-color:var(--accent)}.home-search::placeholder{color:var(--text-secondary)}.home-links{flex-wrap:wrap;justify-content:center;gap:16px;max-width:900px;display:flex}.home-link{background:var(--bg-card);border:1px solid var(--border);cursor:pointer;border-radius:12px;flex-direction:column;align-items:center;gap:8px;width:100px;padding:16px;text-decoration:none;transition:border-color .15s,background .15s;display:flex;position:relative}.home-link:hover{border-color:var(--accent);background:var(--bg-input)}.home-link-remove{background:var(--bg-input);width:18px;height:18px;color:var(--text-secondary);cursor:pointer;opacity:0;border:none;border-radius:50%;justify-content:center;align-items:center;font-size:14px;line-height:1;transition:opacity .15s;display:flex;position:absolute;top:4px;right:4px}.home-link:hover 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0;border:none;border-radius:8px;align-items:center;gap:10px;padding:10px 14px;font-size:14px;transition:background .15s,color .15s;display:flex}.settings-nav-item:hover{background:var(--bg-card);color:var(--text-primary)}.settings-nav-item.active{background:var(--bg-card);color:var(--accent)}.settings-content{flex:1;padding:32px 40px;overflow-y:auto}.settings-title{border-bottom:3px solid var(--accent);margin-bottom:4px;padding-bottom:12px;font-size:28px;font-weight:700;display:inline-block}.settings-section{margin-top:28px}.settings-subtitle{color:var(--accent);margin-bottom:6px;font-size:18px;font-weight:600}.settings-desc{color:var(--text-secondary);margin-bottom:14px;font-size:13px}.settings-row{align-items:center;gap:12px;display:flex}.settings-label{color:var(--text-secondary);flex-shrink:0;font-size:13px}.settings-input{background:var(--bg-input);border:1px solid var(--border);height:36px;color:var(--text-primary);border-radius:8px;outline:none;flex:1;padding:0 12px;font-size:13px}.settings-input:focus{border-color:var(--accent)}.settings-select{background:var(--bg-input);border:1px solid var(--border);height:36px;color:var(--text-primary);cursor:pointer;border-radius:8px;outline:none;flex:1;padding:0 10px;font-size:13px}.settings-actions{gap:10px;margin-top:16px;display:flex}.settings-btn{border:1px solid var(--border);background:var(--bg-card);height:36px;color:var(--text-primary);cursor:pointer;border-radius:8px;padding:0 20px;font-size:13px;transition:background .15s}.settings-btn:hover{background:var(--bg-input)}.settings-btn.accent{border-color:var(--accent);color:var(--accent);background:0 0;font-weight:600}.settings-btn.accent:hover{background:#ff6b001a}.settings-engine-list{flex-direction:column;gap:8px;display:flex}.settings-toggle{background:var(--bg-card);border:1px solid var(--border);cursor:pointer;color:var(--text-primary);border-radius:8px;align-items:center;gap:10px;padding:10px 14px;font-size:14px;transition:border-color 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32px}.modal-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.modal-header h3{font-size:18px;font-weight:700}.modal-close{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;padding:0 4px;font-size:22px}.modal-close:hover{color:var(--text-primary)}.modal-label{color:var(--text-secondary);margin-bottom:6px;font-size:13px;display:block}.modal-input{background:var(--bg-input);border:1px solid var(--border);width:100%;height:40px;color:var(--text-primary);border-radius:8px;outline:none;margin-bottom:16px;padding:0 12px;font-size:14px}.modal-input:focus{border-color:var(--accent)}.modal-submit{border:1px solid var(--accent);width:100%;height:40px;color:var(--accent);cursor:pointer;background:0 0;border-radius:8px;font-size:14px;font-weight:600;transition:background .15s}.modal-submit:hover{background:#ff6b001a}.theme-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px;display:grid}.theme-card{background:var(--bg-card);border:2px solid var(--border);cursor:pointer;border-radius:12px;flex-direction:column;gap:8px;padding:10px;transition:border-color .15s;display:flex}.theme-card:hover{border-color:var(--text-secondary)}.theme-card.active{border-color:var(--accent)}.theme-preview{border-radius:8px;overflow:hidden}.theme-preview-bar{gap:4px;padding:6px 8px;display:flex}.theme-preview-dot{border-radius:50%;width:6px;height:6px}.theme-preview-body{flex-direction:column;gap:5px;min-height:50px;padding:8px;display:flex}.theme-preview-line{border-radius:3px;width:100%;height:6px}.theme-preview-line.short{width:50%}.theme-name{color:var(--text-secondary);text-align:center;font-size:12px;font-weight:600}.theme-card.active .theme-name{color:var(--accent)}.browser-loading{z-index:50;background:var(--bg-secondary);height:3px;position:absolute;top:0;left:0;right:0;overflow:hidden}.browser-loading-bar{background:var(--accent);border-radius:2px;width:40%;height:100%;animation:1.2s ease-in-out infinite loadingSlide}@keyframes loadingSlide{0%{transform:translate(-100%)}to{transform:translate(350%)}}.browser-error{z-index:40;background:var(--bg-primary);color:var(--text-primary);flex-direction:column;justify-content:center;align-items:center;gap:16px;display:flex;position:absolute;inset:0}.browser-error-icon{background:var(--bg-card);border:2px solid var(--border);width:56px;height:56px;color:var(--text-secondary);border-radius:50%;justify-content:center;align-items:center;font-size:28px;font-weight:700;display:flex}.browser-error h3{font-size:20px;font-weight:600}.browser-error 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.history-item-remove{opacity:1}.history-item-remove:hover{background:var(--danger);color:#fff}.settings-status{color:var(--accent);margin-top:10px;font-size:13px}.about-header{align-items:center;gap:20px;display:flex}.about-logo{object-fit:contain;width:64px;height:64px}.about-name{color:var(--text-primary);font-size:24px;font-weight:700}.about-text{color:var(--text-primary);font-size:14px;line-height:1.6}.about-tech-list{flex-direction:column;gap:8px;display:flex}.about-tech-item{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;flex-direction:column;gap:2px;padding:12px 16px;display:flex}.about-tech-name{color:var(--accent);font-size:14px;font-weight:600}.about-tech-desc{color:var(--text-secondary);font-size:12px}.about-links{gap:12px;display:flex}.about-link{background:var(--bg-card);border:1px solid var(--border);color:var(--accent);border-radius:8px;align-items:center;padding:8px 20px;font-size:14px;font-weight:600;text-decoration:none;transition:background .15s;display:inline-flex}.about-link:hover{background:var(--bg-input)}.legal-content{margin-top:24px}.legal-section{margin-bottom:24px}.legal-section h3{color:var(--accent);margin-bottom:8px;font-size:16px;font-weight:600}.legal-section p{color:var(--text-primary);margin-bottom:8px;font-size:14px;line-height:1.7}.legal-section ul{margin:8px 0 8px 24px;list-style:outside}.legal-section li{color:var(--text-primary);margin-bottom:4px;font-size:14px;line-height:1.7}@media (width<=768px){.tab-bar{height:36px;padding:0 2px}.tab{min-width:80px;max-width:140px;height:28px;padding:0 6px}.tab-title{font-size:11px}.url-bar{gap:3px;padding:4px}.nav-btn{width:26px;height:26px}.url-input{height:28px;padding:0 10px;font-size:12px}.home-page{gap:20px;padding:24px 12px}.home-logo{gap:8px;font-size:28px}.home-logo-img{width:36px;height:36px}.home-search{height:38px;font-size:14px}.home-links{gap:10px}.home-link{width:80px;padding:12px 8px}.home-link-icon{font-size:20px}.home-link-name{font-size:10px}.home-apps{gap:10px}.home-app{width:110px;padding:8px}.home-app-img{width:90px;height:90px}.settings-page{flex-direction:column}.settings-sidebar{border-right:none;border-bottom:1px solid var(--border);flex-direction:row;gap:4px;width:100%;padding:8px 4px;overflow-x:auto}.settings-nav-item{white-space:nowrap;gap:6px;padding:8px 12px;font-size:12px}.settings-nav-item svg{width:14px;height:14px}.settings-content{padding:20px 16px}.settings-title{font-size:22px}.settings-row{flex-direction:column;gap:8px}.history-page{padding:20px 16px}.history-header{flex-direction:column;gap:12px}.history-search{width:100%}.history-item{padding:8px 10px}.history-item-remove{opacity:1}.theme-grid{grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px}.dropdown-menu{min-width:180px}}