:root{--primary: #4f46e5;--primary-hover: #4338ca;--bg-color: #f8fafc;--text-main: #1e293b;--text-muted: #64748b;--border-color: rgba(79, 70, 229, .2);--glass-bg: rgba(255, 255, 255, .85);--danger: #ef4444;--danger-bg: #fff1f2;--success: #10b981;--warning: #f59e0b}*{box-sizing:border-box;margin:0;padding:0;font-family:PingFang SC,Microsoft YaHei,sans-serif}body{background-color:#f4f1ea;background-image:url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100' height='100' filter='url(%23noise)' opacity='0.08'/%3E%3C/svg%3E"),radial-gradient(circle at 50% 0%,#fff,#f4f1ea);color:var(--text-main);min-height:100vh}.app-container{max-width:1000px;margin:0 auto;padding:20px;display:flex;flex-direction:column;gap:24px}.glass-panel{background:var(--glass-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.6);border-radius:16px;box-shadow:0 10px 40px #0000000a,inset 0 1px #fff}.app-header{padding:16px 24px;display:flex;justify-content:space-between;align-items:center}.logo-area{display:flex;align-items:center;gap:12px}.logo-icon{background:linear-gradient(135deg,var(--primary),#818cf8);color:#fff;padding:8px;border-radius:12px;display:flex;box-shadow:0 4px 12px #4f46e54d}.brush-font{font-size:1.4rem;font-weight:600;margin:0;letter-spacing:1px}.cloud-badge{font-size:.75rem;color:var(--primary);background:#e0e7ff;padding:4px 10px;border-radius:20px;display:flex;align-items:center;gap:4px;font-weight:500}.dict-toggle-btn{background:#fff;border:1px solid var(--primary);color:var(--primary);padding:8px 16px;border-radius:20px;font-weight:500;cursor:pointer;display:flex;align-items:center;gap:6px;transition:all .2s;box-shadow:0 2px 8px #4f46e51a}.dict-toggle-btn:hover{background:var(--primary);color:#fff}.lang-selector-bar{display:flex;align-items:center;justify-content:center;gap:24px;padding:16px;background:linear-gradient(to right,#ffffffe6,#f8fafce6);border-bottom:2px solid var(--border-color)}.select-wrapper select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:transparent;border:none;font-size:1.1rem;font-weight:600;color:var(--primary);cursor:pointer;outline:none;padding:8px 24px;text-align:center}.select-wrapper{background:#fff;border-radius:12px;box-shadow:0 2px 10px #0000000d;transition:all .2s;border:1px solid #e2e8f0}.select-wrapper:hover{box-shadow:0 4px 15px #4f46e526;border-color:var(--primary)}.swap-btn{background:#fff;border:1px solid #e2e8f0;color:var(--primary);width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 4px 12px #0000000d}.translation-workspace{display:grid;grid-template-columns:1fr 1fr;gap:20px;min-height:320px}.input-panel,.output-panel{display:flex;flex-direction:column;padding:20px;gap:16px}.text-area{flex:1;border:none;background:transparent;resize:none;font-size:1.1rem;line-height:1.6;color:var(--text-main);outline:none;min-height:160px}.text-area::placeholder{color:#94a3b8;font-style:italic}.polish-result-box{background:#fffbeb;border:1px solid #fde68a;border-radius:12px;padding:12px;margin-bottom:8px;overflow:hidden}.polish-header{display:flex;align-items:center;gap:6px;color:var(--warning);font-size:.85rem;font-weight:600;margin-bottom:6px}.polish-content{font-size:.95rem;color:#78350f;line-height:1.5;white-space:pre-wrap}.panel-footer{display:flex;justify-content:space-between;align-items:center;border-top:1px dashed rgba(0,0,0,.1);padding-top:16px}.panel-footer.right-align{justify-content:flex-end}.left-actions,.right-actions{display:flex;align-items:center;gap:12px}.shortcut-hint{display:flex;align-items:center;gap:4px;font-size:.8rem;color:var(--text-muted);background:#0000000a;padding:4px 8px;border-radius:6px}.primary-btn{background:linear-gradient(135deg,var(--primary),#6366f1);color:#fff;border:none;padding:10px 24px;border-radius:10px;font-weight:500;cursor:pointer;display:flex;align-items:center;gap:8px;box-shadow:0 4px 15px #4f46e54d;transition:all .2s}.primary-btn.small{padding:8px 16px;border-radius:8px}.primary-btn:disabled{opacity:.7;cursor:not-allowed;filter:grayscale(.5);box-shadow:none}.secondary-btn{background:#fff;border:1px solid #e2e8f0;color:var(--text-main);padding:8px 16px;border-radius:8px;font-weight:500;cursor:pointer;display:flex;align-items:center;gap:6px;transition:all .2s}.secondary-btn:hover:not(:disabled){border-color:var(--warning);color:var(--warning);background:#fffbeb}.secondary-btn:disabled{opacity:.5;cursor:not-allowed}.icon-btn{background:transparent;border:none;color:var(--text-muted);cursor:pointer;padding:8px;border-radius:8px;transition:all .2s;display:flex;align-items:center;justify-content:center}.icon-btn:hover{background:#0000000d;color:var(--primary)}.icon-btn.mini{padding:4px}.text-success{color:var(--success)}.text-danger{color:var(--danger)}.text-primary{color:var(--primary)}.flex-center{display:flex;align-items:center;justify-content:center}.gap-1{gap:4px}.status-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:var(--text-muted);text-align:center}.status-state.error{background:var(--danger-bg);border-radius:12px;padding:20px;border:1px dashed #f43f5e}.status-state.empty{opacity:.7}.error-msg{font-size:.95rem;color:#9f1239;background:#fff9;padding:12px;border-radius:8px;margin-top:12px;line-height:1.5}.retry-btn{margin-top:16px;background:#fff;border:1px solid var(--danger);color:var(--danger);padding:8px 16px;border-radius:8px;cursor:pointer;display:flex;align-items:center;gap:6px;font-weight:500;transition:all .2s}.retry-btn:hover{background:var(--danger);color:#fff}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.result-content{flex:1;font-size:1.1rem;line-height:1.8;white-space:pre-wrap;overflow-y:auto;color:#0f172a}.history-section{padding:20px;display:flex;flex-direction:column;gap:16px}.history-header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(0,0,0,.05);padding-bottom:12px}.history-header h2{font-size:1.1rem;display:flex;align-items:center;gap:8px;margin:0;color:var(--text-main)}.text-btn{background:transparent;border:none;cursor:pointer;font-size:.9rem;display:flex;align-items:center;gap:4px}.text-btn.danger{color:var(--danger)}.text-btn.danger:hover{background:#ef44441a;padding:4px 8px;border-radius:6px;margin:-4px -8px}.history-list{display:flex;flex-direction:column;gap:12px;max-height:400px;overflow-y:auto;padding-right:8px}.history-list::-webkit-scrollbar{width:6px}.history-list::-webkit-scrollbar-thumb{background:#0000001a;border-radius:10px}.history-card{background:#fff;border-radius:12px;padding:16px;display:flex;align-items:flex-start;gap:16px;box-shadow:0 2px 8px #00000005;border:1px solid #e2e8f0;transition:all .2s}.history-card:hover{transform:translateY(-2px);box-shadow:0 6px 16px #0000000f;border-color:#cbd5e1}.history-card.failed-card{border-color:#fca5a5;background:#fff5f5}.history-meta{display:flex;flex-direction:column;align-items:center;gap:6px;min-width:64px}.lang-tag{font-size:.75rem;background:#f1f5f9;padding:4px 8px;border-radius:6px;color:var(--text-muted);font-weight:500}.meta-icon{color:#94a3b8}.history-body{flex:1;display:flex;flex-direction:column;gap:8px;overflow:hidden}.history-text{font-size:.95rem;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.history-text.source{color:var(--text-muted)}.history-text.target{color:var(--text-main);font-weight:500}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0f172a66;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:100;display:flex;align-items:center;justify-content:center;padding:20px}.modal-content{width:100%;max-width:500px;background:#fffffff2;padding:24px;display:flex;flex-direction:column;gap:20px;max-height:80vh}.modal-header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #e2e8f0;padding-bottom:12px}.modal-header h3{display:flex;align-items:center;gap:8px;font-size:1.2rem;color:var(--text-main);margin:0}.dict-search-bar{display:flex;gap:12px}.dict-search-bar input{flex:1;padding:12px 16px;border:1px solid #cbd5e1;border-radius:8px;font-size:1rem;outline:none;transition:border-color .2s}.dict-search-bar input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #4f46e51a}.dict-result-area{flex:1;overflow-y:auto;background:#f8fafc;border-radius:12px;padding:20px;min-height:200px;border:1px solid #e2e8f0}.dict-text{font-size:1rem;line-height:1.7;color:#334155;white-space:pre-wrap}.toast{position:fixed;bottom:32px;left:50%;transform:translate(-50%);background:#0f172ae6;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#fff;padding:12px 24px;border-radius:30px;font-size:.95rem;box-shadow:0 10px 25px #0003;z-index:1000;display:flex;align-items:center;gap:8px}@media (max-width: 768px){.translation-workspace{grid-template-columns:1fr}.lang-selector-bar{flex-direction:column;gap:12px}.swap-btn{transform:rotate(90deg)}}