@font-face{font-family:SourceHanSerifSC;src:url(/assets/fonts/SourceHanSerifSC.otf) format("opentype")}:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;width:100%;height:100%}html,#root{width:100%;height:100%}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}*{box-sizing:border-box}:root{--bg-color: #121212;--panel-bg: #1e1e1e;--border-color: #333;--primary-color: #646cff;--primary-hover: #535bf2;--text-color: #e0e0e0;--text-muted: #a0a0a0;--danger-color: #ff4d4f}body{margin:0;background-color:var(--bg-color);color:var(--text-color);font-family:Inter,system-ui,-apple-system,sans-serif}.app-container{display:flex;flex-direction:column;width:100%;height:100vh;overflow:hidden}.app-header{height:60px;background-color:var(--panel-bg);border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between;padding:0 20px;box-shadow:0 2px 4px #0003;z-index:10}.app-header h1{font-size:1.2rem;margin:0;font-weight:600;color:var(--primary-color)}.lang-toggle{background:transparent;border:1px solid var(--primary-color);color:var(--primary-color);padding:6px 12px;border-radius:4px;cursor:pointer;font-size:.9rem;transition:all .2s}.lang-toggle:hover{background:var(--primary-color);color:#fff}.main-content{display:flex;flex:1;overflow:hidden}.editor-pane{width:380px;background:var(--panel-bg);border-right:1px solid var(--border-color);display:flex;flex-direction:column;overflow-y:auto;padding:20px;box-shadow:2px 0 5px #0000001a}.panel-header{margin-bottom:20px;border-bottom:1px solid var(--border-color);padding-bottom:10px}.panel-header h2{font-size:1.1rem;margin:0;color:var(--text-color)}.control-group{margin-bottom:24px;display:flex;flex-direction:column;gap:8px}.control-group label{font-size:.9rem;color:var(--text-muted);font-weight:500}.row-group{display:flex;gap:10px;margin-top:8px}.field{flex:1;display:flex;flex-direction:column;gap:6px}input,textarea,select{background:#2a2a2a;color:var(--text-color);border:1px solid #444;border-radius:6px;padding:10px;font-family:inherit;font-size:.95rem;transition:border-color .2s}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--primary-color)}textarea{resize:vertical;min-height:80px}.primary-btn{background-color:var(--primary-color);color:#fff;border:none;padding:10px;border-radius:6px;font-weight:600;cursor:pointer;margin-top:10px;transition:background-color .2s}.primary-btn:hover{background-color:var(--primary-hover)}.options-list h3{font-size:1rem;color:var(--text-muted);margin-bottom:10px;border-bottom:1px solid var(--border-color);padding-bottom:5px}.options-list ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}.options-list li{background:#2a2a2a;padding:12px;border-radius:6px;display:flex;justify-content:space-between;align-items:center;border:1px solid transparent;transition:border-color .2s}.options-list li:hover{border-color:#555}.opt-info{display:flex;flex-direction:column;gap:4px;overflow:hidden}.opt-type{font-size:.75rem;color:var(--primary-color);text-transform:uppercase;font-weight:700;letter-spacing:.5px}.opt-text{font-size:.9rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.delete-btn{background:transparent;border:none;color:var(--text-muted);font-size:1.2rem;cursor:pointer;padding:4px 8px;border-radius:4px;transition:all .2s}.delete-btn:hover{background:#ff4d4f1a;color:var(--danger-color)}.preview-pane{flex:1;background:#000;display:flex;align-items:center;justify-content:center;overflow:hidden;background-image:linear-gradient(45deg,#111 25%,transparent 25%),linear-gradient(-45deg,#111 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#111 75%),linear-gradient(-45deg,transparent 75%,#111 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0px}.canvas-wrapper{box-shadow:0 0 50px #00000080;border:1px solid #333;max-width:100%;max-height:100%;overflow:hidden}.canvas-container{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;height:100%;gap:20px}.preview-actions{display:flex;gap:10px}.preview-actions button{background:#333;color:#fff;border:1px solid #555;padding:8px 16px;border-radius:4px;cursor:pointer;font-size:.9rem;transition:all .2s}.preview-actions button:hover{background:#444;border-color:var(--primary-color)}@media(max-width:768px){.app-container{height:auto;min-height:100vh;overflow-y:auto}.main-content{flex-direction:column-reverse;overflow:visible}.preview-pane{height:auto;min-height:300px;padding:20px 0;border-bottom:1px solid var(--border-color);flex:none;overflow:hidden}.editor-pane{width:100%;border-right:none;flex:1;overflow:visible}}.toast{position:fixed;top:20px;right:20px;padding:16px 24px;border-radius:8px;font-size:14px;font-weight:500;box-shadow:0 4px 12px #00000026;z-index:9999;animation:slideIn .3s ease-out,fadeOut .3s ease-in 2.7s;pointer-events:none}.toast-success{background-color:#10b981;color:#fff}.toast-error{background-color:#ef4444;color:#fff}@keyframes slideIn{0%{transform:translate(400px);opacity:0}to{transform:translate(0);opacity:1}}@keyframes fadeOut{0%{opacity:1}to{opacity:0}}