:root{--bg: #ffffff;--bg-secondary: #f8f9fa;--bg-tertiary: #e8eaed;--text: #1a1a2e;--text-secondary: #5f6368;--text-muted: #9aa0a6;--primary: #1a1a2e;--primary-hover: #2d2d44;--accent: #4a9eff;--danger: #e63946;--success: #2a9d8f;--border: #e0e0e0;--border-light: #f0f0f0;--shadow: 0 1px 3px rgba(0,0,0,.08);--shadow-lg: 0 4px 16px rgba(0,0,0,.1);--radius: 8px;--radius-sm: 4px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;overflow:hidden}body{font-family:var(--font);font-size:13px;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}.app-container{display:flex;flex-direction:column;height:100%;overflow:hidden}.editor-layout{display:flex;flex:1;overflow:hidden}.editor-main{flex:0 0 58%;display:flex;flex-direction:column;overflow:hidden}.editor-sidebar{flex:0 0 42%;display:flex;flex-direction:column;border-left:1px solid var(--border);background:var(--bg);overflow:hidden}.header{display:flex;align-items:center;justify-content:space-between;padding:6px 16px;border-bottom:1px solid var(--border);background:var(--bg);min-height:44px;gap:12px}.header-left{display:flex;align-items:center;gap:12px;flex-shrink:0}.header-center{display:flex;align-items:center;gap:4px}.header-right{display:flex;align-items:center;gap:10px;flex-shrink:0}.header-logo{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:700;color:var(--text);letter-spacing:-.3px}.header-filename{font-size:12px;color:var(--text-muted);max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.feature-tabs{display:flex;overflow-x:auto;gap:0;border-bottom:1px solid var(--border);background:var(--bg);padding:0 4px;flex-shrink:0;-webkit-overflow-scrolling:touch}.tab-btn{display:flex;align-items:center;gap:4px;padding:8px 10px;border:none;background:none;color:var(--text-muted);font-size:11px;font-weight:500;cursor:pointer;white-space:nowrap;border-bottom:2px solid transparent;transition:color .15s,border-color .15s;flex-shrink:0}.tab-btn:hover{color:var(--text);background:var(--bg-secondary)}.tab-btn.tab-active{color:var(--text);border-bottom-color:var(--text)}.tab-btn:disabled{opacity:.4;cursor:default}.tab-label{display:none}@media(min-width:640px){.tab-label{display:inline}}.focused-feature-header{display:flex;align-items:center;gap:10px;padding:8px 12px;border-bottom:1px solid var(--border);background:var(--bg);flex-shrink:0}.focused-feature-back{padding:4px 10px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg);color:var(--text);font-size:12px;font-weight:500;cursor:pointer;transition:all .15s}.focused-feature-back:hover{background:var(--bg-secondary);border-color:#ccc}.focused-feature-label{font-size:12px;font-weight:600;color:var(--text);text-transform:capitalize}.feature-panel-scroll{flex:1;overflow-y:auto;overflow-x:hidden}.tab-content{padding:16px;display:flex;flex-direction:column;gap:12px}.tab-section{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:12px}.tab-section-title{display:flex;align-items:center;gap:6px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.8px;color:var(--text);margin-bottom:10px}.btn{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg);color:var(--text);font-size:12px;font-weight:500;cursor:pointer;white-space:nowrap;transition:all .15s}.btn:hover{background:var(--bg-secondary);border-color:#ccc}.btn:disabled{opacity:.4;cursor:default}.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn-primary:hover{background:var(--primary-hover)}.btn-sm{padding:4px 8px;font-size:11px}.btn-group{display:flex;gap:2px}.btn-divider{width:1px;height:20px;background:var(--border);margin:0 4px}.opt-group{display:flex;flex-wrap:wrap;gap:4px}.opt-btn{display:flex;align-items:center;gap:6px;padding:6px 10px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg);color:var(--text-secondary);font-size:11px;font-weight:500;cursor:pointer;transition:all .15s;white-space:nowrap}.opt-btn:hover{border-color:#bbb;color:var(--text);background:var(--bg-secondary)}.opt-btn.opt-active{background:var(--primary);color:#fff;border-color:var(--primary)}.label{display:block;font-size:11px;font-weight:500;color:var(--text);margin-bottom:4px}.row{display:flex;align-items:center;gap:10px}.slider{flex:1;height:4px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--bg-tertiary);border-radius:2px;outline:none;cursor:pointer}.slider::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:var(--primary);border:2px solid #fff;box-shadow:0 1px 3px #0003;cursor:pointer}.input{width:100%;padding:6px 8px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:12px;font-family:var(--font);color:var(--text);background:var(--bg);outline:none}.input:focus{border-color:var(--accent)}.color-row{display:flex;align-items:center;gap:6px}.color-picker{width:32px;height:32px;padding:0;border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;background:none}.color-picker::-webkit-color-swatch-wrapper{padding:2px}.color-picker::-webkit-color-swatch{border-radius:2px;border:none}.check-label{display:flex;align-items:center;gap:6px;font-size:12px;font-weight:500;color:var(--text);cursor:pointer;margin-bottom:4px}.check-label input[type=checkbox]{width:14px;height:14px;accent-color:var(--primary);cursor:pointer}select.input{cursor:pointer}.create-section{padding:0}.create-subtitle{font-size:12px;color:var(--text-muted);margin-bottom:12px}.create-grid{display:flex;flex-direction:column;gap:4px}.create-card{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg);cursor:pointer;transition:all .15s;text-align:left;width:100%}.create-card:hover{border-color:#ccc;background:var(--bg-secondary)}.create-card-icon{width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.create-card-info{display:flex;flex-direction:column;gap:1px;min-width:0}.create-card-name{font-size:12px;font-weight:600;color:var(--text)}.create-card-desc{font-size:10px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.editor-canvas-area{display:flex;flex-direction:column;height:100%;overflow:hidden}.canvas-toolbar{display:flex;align-items:center;justify-content:space-between;padding:6px 8px;border-bottom:1px solid var(--border);background:var(--bg);gap:10px;flex-shrink:0}.canvas-zoom-label{font-size:11px;color:var(--text-muted);font-weight:500}.canvas-container{flex:1;overflow:hidden;position:relative;background:var(--tertiary, #e8eaed);display:flex;align-items:center;justify-content:center}.editor-canvas{display:block;position:absolute;top:0;left:0}.status-badge{display:flex;align-items:center;gap:5px;font-size:10px;color:var(--text-muted);padding:3px 8px;border-radius:12px;background:var(--bg-secondary)}.status-dot{width:6px;height:6px;border-radius:50%;display:inline-block}.status-dot-ok{background:var(--success)}.status-dot-error{background:var(--danger)}.status-dot-loading{background:#f4a261;animation:pulse 1s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;padding:40px 20px;text-align:center}.empty-state-icon{width:64px;height:64px;border-radius:16px;background:var(--bg-secondary);display:flex;align-items:center;justify-content:center;color:var(--text-muted)}.empty-state h2{font-size:18px;font-weight:700;color:var(--text);letter-spacing:-.3px}.empty-state p{font-size:13px;color:var(--text-muted);max-width:320px;line-height:1.5}.empty-upload-btn{display:flex;align-items:center;gap:10px;padding:10px 24px;border:none;border-radius:var(--radius);background:var(--primary);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:background .15s}.empty-upload-btn:hover{background:var(--primary-hover)}.dialog-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}.dialog{background:var(--bg);border-radius:12px;width:100%;max-width:420px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);padding:20px}.dialog-title{font-size:16px;font-weight:700;margin-bottom:16px;display:flex;align-items:center;justify-content:space-between}.loading-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#ffffffd9;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;z-index:200}.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-overlay span{font-size:13px;color:var(--text-secondary)}.toast-container{position:fixed;bottom:20px;left:50%;transform:translate(-50%);display:flex;flex-direction:column;gap:6px;z-index:300;pointer-events:none}.toast{padding:8px 16px;border-radius:var(--radius);font-size:12px;font-weight:500;pointer-events:auto;box-shadow:var(--shadow-lg);animation:slideUp .2s ease}.toast-success{background:var(--success);color:#fff}.toast-error{background:var(--danger);color:#fff}.toast-info{background:var(--primary);color:#fff}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.error-bar{position:fixed;top:52px;left:50%;transform:translate(-50%);padding:8px 16px;background:var(--danger);color:#fff;border-radius:var(--radius);font-size:12px;font-weight:500;z-index:150;display:flex;align-items:center;gap:10px;box-shadow:var(--shadow-lg)}@media(max-width:1024px){.editor-main,.editor-sidebar{flex:0 0 50%}}@media(max-width:768px){.editor-layout{flex-direction:column}.editor-main{flex:1;min-height:50vh}.editor-sidebar{flex:none;height:auto;border-left:none;border-top:1px solid var(--border)}.header-filename{display:none}}@media(max-width:640px){.header{padding:4px 8px}.header-logo{font-size:12px}.header-center{display:none}.tab-btn{padding:6px 8px}}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#ccc}.landing-page{overflow-y:auto;background:var(--bg);height:100vh;display:flex;flex-direction:column;align-items:center;padding:48px 24px 24px;gap:48px}.landing-hero{display:flex;flex-direction:column;align-items:center;width:100%;max-width:720px;overflow:hidden;border-radius:14px;box-shadow:0 4px 24px #0000001a}.hero-slider{position:relative;width:100%;height:400px;overflow:hidden}.hero-slider-track{display:flex;transition:transform .6s cubic-bezier(.22,1,.36,1)}.hero-slide{min-width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;overflow:hidden;gap:16px}.hero-slide-bg-shapes{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;overflow:hidden}.hs-shape{position:absolute;border-radius:50%;opacity:.12}.hs-shape-1{width:240px;height:240px;background:#fff;top:-60px;right:-60px}.hs-shape-2{width:160px;height:160px;background:#fff;bottom:-40px;left:-40px}.hs-shape-3{width:100px;height:100px;background:#fff;top:50%;left:30%;transform:translate(-50%,-50%)}.hero-slide-icon{position:relative;z-index:1;color:#fff3}.hero-slide-content{position:relative;z-index:1;text-align:center;padding:0 20px}.hero-slide-title{font-size:22px;font-weight:700;color:#fff;letter-spacing:-.3px;margin-bottom:6px}.hero-slide-desc{font-size:13px;color:#ffffffb3;max-width:380px;margin:0 auto;line-height:1.5}.hero-slider-dots{position:absolute;bottom:24px;left:50%;transform:translate(-50%);display:flex;gap:10px;z-index:2;background:#0000004d;padding:8px 14px;border-radius:20px}.hero-dot{width:12px;height:12px;border-radius:50%;border:2px solid rgba(255,255,255,.5);background:transparent;cursor:pointer;padding:0;transition:all .25s}.hero-dot-active{background:#fff;border-color:#fff;width:32px;border-radius:6px}.hero-dot:hover{border-color:#fffc}.landing-features{width:100%;max-width:960px}.landing-features-title{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);margin-bottom:16px;text-align:center}.landing-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}.landing-card{display:flex;flex-direction:column;gap:10px;padding:16px;border:1px solid var(--border);border-radius:10px;background:var(--bg);transition:box-shadow .2s,border-color .2s,transform .2s}.landing-card:hover{border-color:#ccc;box-shadow:0 2px 12px #0000000f;transform:translateY(-1px)}.landing-card-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.landing-card-body{flex:1;display:flex;flex-direction:column;gap:4px}.landing-card-name{font-size:13px;font-weight:600;color:var(--text)}.landing-card-desc{font-size:11px;color:var(--text-muted);line-height:1.4}.landing-card-btn{align-self:flex-start;padding:5px 16px;border:1px solid var(--border);border-radius:6px;background:var(--bg);color:var(--text);font-size:12px;font-weight:500;cursor:pointer;transition:all .15s}.landing-card-btn:hover{border-color:var(--card-color, var(--text));color:var(--card-color, var(--text));background:color-mix(in srgb,var(--card-color, var(--text)) 8%,transparent)}.landing-footer{text-align:center;font-size:11px;color:var(--text-muted);padding:0 24px 20px}@media(max-width:640px){.landing-features{padding:16px 10px 20px}.hero-slide-title{font-size:26px}.hero-slide-desc{font-size:14px}.hs-shape-1{width:160px;height:160px}.hs-shape-2{width:100px;height:100px}.hs-shape-3{width:70px;height:70px}.landing-grid{grid-template-columns:1fr}}