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linear-gradient(135deg, #90e0ef, #caf0f8);--accent: #90e0ef;--accent-hover: #caf0f8;--neon-shadow: 0 0 20px rgba(144, 224, 239, .5);--text-main: #ffffff;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.theme-forest{background:linear-gradient(135deg,#2d6a4f,#52b788);color:#d8f3dc;--panel-bg: rgba(8, 28, 21, .6);--border-gradient: linear-gradient(135deg, #74c69d, #b7e4c7);--accent: #95d5b2;--accent-hover: #b7e4c7;--neon-shadow: 0 0 15px rgba(116, 198, 157, .4);--text-main: #ffffff}.theme-sunset{background:linear-gradient(135deg,#f77f00,#fcbf49);color:#5a1800;--panel-bg: rgba(255, 255, 255, .8);--border-gradient: linear-gradient(135deg, #d62828, #f77f00);--accent: #d62828;--accent-hover: #e63946;--neon-shadow: 0 4px 15px rgba(214, 40, 40, .3);--text-main: #370617}.theme-lavender{background:linear-gradient(135deg,#9b5de5,#f15bb5);color:#fff;--panel-bg: rgba(255, 255, 255, .2);--border-gradient: linear-gradient(135deg, #feeafa, #f15bb5);--accent: #feeafa;--accent-hover: #ffffff;--neon-shadow: 0 0 20px rgba(254, 234, 250, .6);--text-main: #ffffff}.app-container{width:100%;max-width:1200px;display:flex;flex-direction:column;gap:2rem}.app-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;background:var(--panel-bg);border-radius:16px;box-shadow:var(--neon-shadow);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);flex-wrap:wrap;gap:1rem}.header-left,.header-right{display:flex;align-items:center;gap:1rem}.app-title{margin:0;font-size:1.5rem;font-weight:800;color:var(--text-main);text-shadow:0 0 10px rgba(255,255,255,.2)}.sync-badge{display:flex;align-items:center;gap:.4rem;font-size:.85rem;padding:.3rem .8rem;border-radius:20px;background:#0000001a;color:var(--text-main);opacity:.8}.spin{animation:spin 2s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.lang-selector-wrapper{display:flex;align-items:center;gap:.5rem;background:#0000001a;padding:.4rem .8rem;border-radius:24px;border:1px solid var(--accent)}.lang-icon{color:var(--accent)}.lang-select{background:transparent;border:none;color:var(--text-main);font-weight:700;font-size:.95rem;outline:none;cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;padding-right:1rem}.lang-select option{background:var(--panel-bg);color:#000}.theme-panel{display:flex;gap:.5rem;background:#0000001a;padding:.4rem;border-radius:24px}.theme-btn{background:transparent;border:none;color:var(--text-main);opacity:.6;cursor:pointer;padding:.5rem;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all .3s}.theme-btn:hover,.theme-btn.active{opacity:1;background:var(--accent);color:#000;box-shadow:var(--neon-shadow)}.workspace{display:grid;grid-template-columns:1fr 1fr;gap:2rem}@media (max-width: 800px){.workspace{grid-template-columns:1fr}}.gradient-border{background:var(--border-gradient);padding:2px;border-radius:18px;height:100%;box-shadow:var(--neon-shadow);transition:all var(--transition-speed)}.panel-inner{background:var(--panel-bg);border-radius:16px;height:100%;display:flex;flex-direction:column;padding:1.5rem;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.panel-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.panel-header h2{margin:0;font-size:1.1rem;color:var(--text-main)}.code-editor{flex-grow:1;min-height:300px;background:#0003;border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:1rem;color:var(--text-main);font-family:var(--font-mono);font-size:.95rem;line-height:1.5;resize:vertical;outline:none;transition:border-color .3s}.code-editor:focus{border-color:var(--accent)}.theme-light .code-editor{background:#f9fafb;border:1px solid #e5e7eb}.controls{margin-top:1.5rem;display:flex;flex-direction:column;gap:1rem}.checkbox-label{display:flex;align-items:center;gap:.8rem;cursor:pointer;color:var(--text-main);font-size:.95rem}.checkbox-label.disabled{opacity:.4;cursor:not-allowed}.checkbox-label input{display:none}.checkbox-custom{width:20px;height:20px;border:2px solid var(--accent);border-radius:6px;display:inline-flex;align-items:center;justify-content:center;transition:all .2s}.checkbox-label input:checked+.checkbox-custom{background:var(--accent)}.checkbox-label input:checked+.checkbox-custom:after{content:"✓";color:#000;font-weight:700;font-size:14px}.primary-btn{margin-top:.5rem;padding:.8rem;border:none;border-radius:8px;background:var(--accent);color:#000;font-weight:700;font-size:1rem;cursor:pointer;transition:all 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