:root{--bg-primary: #0f0f13;--bg-secondary: #1a1a23;--bg-tertiary: #252532;--bg-hover: #2f2f3d;--text-primary: #ffffff;--text-secondary: #a1a1aa;--text-muted: #71717a;--accent: #7c3aed;--accent-hover: #8b5cf6;--accent-glow: rgba(124, 58, 237, .3);--success: #22c55e;--error: #ef4444;--border: #2f2f3d;--border-hover: #3f3f52;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--shadow: 0 4px 20px rgba(0, 0, 0, .3);--transition: all .2s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.6}.app{max-width:1400px;margin:0 auto;padding:24px;min-height:100vh;display:flex;flex-direction:column}.header{text-align:center;margin-bottom:32px}.logo{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:8px}.logo-icon{font-size:32px}.logo h1{font-size:28px;font-weight:700;background:linear-gradient(135deg,var(--accent) 0%,#a855f7 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.tagline{color:var(--text-secondary);font-size:14px}.step-nav{display:flex;justify-content:center;gap:8px;margin-bottom:32px;flex-wrap:wrap}.step-btn{display:flex;align-items:center;gap:8px;padding:10px 20px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-secondary);font-size:14px;cursor:pointer;transition:var(--transition)}.step-btn:hover{background:var(--bg-tertiary);border-color:var(--border-hover)}.step-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}.step-btn.completed{border-color:var(--accent)}.step-btn.completed .step-num{color:var(--accent)}.step-num{display:flex;align-items:center;justify-content:center;width:24px;height:24px;background:var(--bg-tertiary);border-radius:50%;font-size:12px;font-weight:600}.step-btn.active .step-num{background:#fff3}.main-content{display:grid;grid-template-columns:1fr 1fr;gap:32px;flex:1}.left-panel,.right-panel{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;overflow:hidden}.right-panel{position:sticky;top:24px;height:fit-content;max-height:calc(100vh - 200px);display:flex;flex-direction:column}.form-panel{display:flex;flex-direction:column;gap:24px}.form-title,.gallery-title,.editor-title,.preview-title,.help-title{font-size:18px;font-weight:600;margin-bottom:16px;color:var(--text-primary)}.form-section{border-bottom:1px solid var(--border);padding-bottom:20px}.form-section:last-child{border-bottom:none}.form-section-title{font-size:13px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:16px}.form-group{margin-bottom:16px}.form-group:last-child{margin-bottom:0}.form-group label{display:block;font-size:14px;font-weight:500;color:var(--text-secondary);margin-bottom:6px}.form-group input[type=text],.form-group input[type=email],.form-group input[type=tel]{width:100%;padding:10px 14px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:14px;transition:var(--transition)}.form-group input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.form-group input::placeholder{color:var(--text-muted)}.form-group input.error{border-color:var(--error)}.error-message{display:block;font-size:12px;color:var(--error);margin-top:4px}.image-upload-container{position:relative}.form-group input[type=file]{width:100%;padding:12px;background:var(--bg-tertiary);border:2px dashed var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);font-size:13px;cursor:pointer;transition:var(--transition)}.form-group input[type=file]:hover{border-color:var(--accent)}.form-group input[type=file]::file-selector-button{padding:6px 12px;margin-right:12px;background:var(--accent);border:none;border-radius:var(--radius-sm);color:#fff;font-size:13px;cursor:pointer}.image-preview{position:relative;display:inline-block;padding:8px;background:var(--bg-tertiary);border-radius:var(--radius-sm)}.image-preview img{max-height:60px;max-width:150px;display:block}.photo-preview img{border-radius:50%;width:60px;height:60px;object-fit:cover}.clear-image-btn{position:absolute;top:-6px;right:-6px;width:22px;height:22px;background:var(--error);border:none;border-radius:50%;color:#fff;font-size:14px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center}.color-picker-container{display:flex;align-items:center;gap:12px}.form-group input[type=color]{width:48px;height:36px;padding:2px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer}.color-value{font-size:13px;color:var(--text-secondary);font-family:Monaco,Menlo,monospace}.template-gallery{overflow:auto}.template-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}.template-card{position:relative;background:var(--bg-tertiary);border:2px solid var(--border);border-radius:var(--radius-md);padding:16px;cursor:pointer;transition:var(--transition);text-align:left}.template-card:hover{border-color:var(--border-hover);transform:translateY(-2px)}.template-card.selected{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.template-name{font-size:14px;font-weight:600;color:var(--text-primary);margin-bottom:4px}.template-description{font-size:12px;color:var(--text-muted);margin-bottom:12px}.template-preview-mini{background:#fff;border-radius:4px;padding:8px;transform:scale(.7);transform-origin:top left;width:142%;pointer-events:none;max-height:100px;overflow:hidden}.selected-indicator{position:absolute;top:8px;right:8px;width:24px;height:24px;background:var(--accent);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;color:#fff}.editor-panel{display:flex;flex-direction:column}.editor-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.editor-mode-toggle{display:flex;gap:4px;background:var(--bg-tertiary);padding:4px;border-radius:var(--radius-sm)}.mode-btn{padding:6px 16px;background:transparent;border:none;border-radius:4px;color:var(--text-secondary);font-size:13px;cursor:pointer;transition:var(--transition)}.mode-btn.active{background:var(--accent);color:#fff}.editor-section{margin-bottom:24px}.editor-section-title{font-size:13px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:12px}.editor-hint{font-size:12px;color:var(--text-muted);margin-bottom:8px}.editor-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.editor-row label{font-size:14px;color:var(--text-secondary)}.editor-row select{padding:8px 12px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:13px;cursor:pointer;min-width:140px}.editor-row select:focus{outline:none;border-color:var(--accent)}.toggle-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.toggle-item{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--bg-tertiary);border-radius:var(--radius-sm);font-size:13px;color:var(--text-secondary);cursor:pointer;transition:var(--transition)}.toggle-item:hover{background:var(--bg-hover)}.toggle-item input[type=checkbox]{width:16px;height:16px;accent-color:var(--accent)}.html-warning{padding:12px;background:#ef44441a;border:1px solid rgba(239,68,68,.3);border-radius:var(--radius-sm);color:var(--error);font-size:13px;margin-bottom:16px}.html-code-container{background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-sm);max-height:300px;overflow:auto}.html-code{padding:16px;font-family:Monaco,Menlo,Consolas,monospace;font-size:12px;line-height:1.5;color:var(--text-secondary);white-space:pre-wrap;word-break:break-all;margin:0}.copy-html-btn{margin-top:12px;padding:10px 20px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:14px;cursor:pointer;transition:var(--transition)}.copy-html-btn:hover{background:var(--bg-hover)}.copy-html-btn.success{background:var(--success);border-color:var(--success)}.live-preview{flex:1;display:flex;flex-direction:column}.preview-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.bg-toggle{padding:8px 12px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:16px;cursor:pointer;transition:var(--transition)}.bg-toggle:hover{background:var(--bg-hover)}.preview-container{flex:1;min-height:200px;padding:24px;border-radius:var(--radius-md);border:1px solid var(--border);overflow:auto}.preview-container.light-bg{background:#fff}.preview-container.dark-bg{background:#1f1f1f}.signature-preview{display:inline-block}.quick-copy{margin-top:16px;padding-top:16px;border-top:1px solid var(--border)}.copy-export{display:flex;flex-direction:column;gap:12px}.copy-btn{padding:14px 24px;border-radius:var(--radius-md);font-size:15px;font-weight:600;cursor:pointer;transition:var(--transition);display:flex;align-items:center;justify-content:center;gap:8px}.copy-btn.primary{background:linear-gradient(135deg,var(--accent) 0%,#a855f7 100%);border:none;color:#fff;box-shadow:0 4px 15px var(--accent-glow)}.copy-btn.primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px var(--accent-glow)}.copy-btn.primary.success{background:var(--success);box-shadow:0 4px 15px #22c55e4d}.secondary-actions{display:flex;gap:8px}.copy-btn.secondary{flex:1;background:var(--bg-tertiary);border:1px solid var(--border);color:var(--text-secondary);font-size:13px;font-weight:500;padding:10px 16px}.copy-btn.secondary:hover{background:var(--bg-hover);color:var(--text-primary)}.copy-btn.secondary.success{background:var(--success);border-color:var(--success);color:#fff}.copy-error{padding:10px;background:#ef44441a;border:1px solid rgba(239,68,68,.3);border-radius:var(--radius-sm);color:var(--error);font-size:13px;text-align:center}.copy-step{display:flex;flex-direction:column;gap:32px}.install-help{background:var(--bg-tertiary);border-radius:var(--radius-md);padding:20px}.help-tabs{display:flex;gap:4px;margin-bottom:16px;background:var(--bg-secondary);padding:4px;border-radius:var(--radius-sm)}.help-tab{flex:1;padding:8px 16px;background:transparent;border:none;border-radius:4px;color:var(--text-secondary);font-size:13px;cursor:pointer;transition:var(--transition)}.help-tab.active{background:var(--accent);color:#fff}.help-steps{padding-left:20px}.help-steps li{font-size:14px;color:var(--text-secondary);margin-bottom:10px;line-height:1.5}.help-steps li:last-child{margin-bottom:0}.nav-buttons{display:flex;justify-content:space-between;margin-top:24px;padding-top:24px;border-top:1px solid var(--border)}.nav-btn{padding:12px 28px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-primary);font-size:14px;font-weight:500;cursor:pointer;transition:var(--transition)}.nav-btn:hover{background:var(--bg-tertiary);border-color:var(--border-hover)}.nav-btn.next{margin-left:auto;background:var(--accent);border-color:var(--accent)}.nav-btn.next:hover{background:var(--accent-hover)}.footer{text-align:center;padding:24px 0;margin-top:32px;border-top:1px solid var(--border);color:var(--text-muted);font-size:13px}@media (max-width: 900px){.main-content{grid-template-columns:1fr}.right-panel{position:static;max-height:none}.template-grid,.toggle-grid{grid-template-columns:1fr}}@media (max-width: 600px){.app{padding:16px}.header{margin-bottom:20px}.logo h1{font-size:24px}.step-nav{gap:4px}.step-btn{padding:8px 12px;font-size:12px}.step-label{display:none}.left-panel,.right-panel{padding:16px}.secondary-actions{flex-direction:column}.nav-buttons{flex-direction:column;gap:8px}.nav-btn{width:100%;text-align:center}.nav-btn.next{margin-left:0}}button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:2px}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-tertiary);border-radius:4px}::-webkit-scrollbar-thumb{background:var(--border-hover);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}