:root{--bg-primary: #090d16;--bg-secondary: #131b2e;--bg-card: rgba(23, 32, 54, .7);--bg-card-hover: rgba(30, 41, 69, .8);--border-color: rgba(255, 255, 255, .1);--border-focus: #3b82f6;--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--accent-primary: #3b82f6;--accent-primary-hover: #2563eb;--accent-secondary: #8b5cf6;--accent-success: #10b981;--accent-warning: #f59e0b;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .2);--shadow-md: 0 8px 24px rgba(0, 0, 0, .3);--shadow-lg: 0 16px 48px rgba(0, 0, 0, .4);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--radius-pill: 9999px;--transition: all .2s cubic-bezier(.4, 0, .2, 1)}body.theme-light{--bg-primary: #f1f5f9;--bg-secondary: #ffffff;--bg-card: rgba(255, 255, 255, .85);--bg-card-hover: rgba(248, 250, 252, .95);--border-color: rgba(0, 0, 0, .08);--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .04);--shadow-md: 0 8px 24px rgba(0, 0, 0, .08);--shadow-lg: 0 16px 48px rgba(0, 0, 0, .12)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.5;min-height:100vh;transition:background-color .3s ease,color .3s ease;background-image:radial-gradient(circle at 15% 15%,rgba(59,130,246,.08) 0%,transparent 40%),radial-gradient(circle at 85% 85%,rgba(139,92,246,.08) 0%,transparent 40%)}.app-container{max-width:1360px;margin:0 auto;padding:24px 20px 48px}.header{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;background:var(--bg-card);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-color);border-radius:var(--radius-lg);margin-bottom:28px;box-shadow:var(--shadow-md)}.header-brand{display:flex;align-items:center;gap:14px}.brand-logo{width:44px;height:44px;border-radius:var(--radius-md);background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 4px 14px #3b82f666}.brand-title{font-family:Outfit,sans-serif;font-size:1.25rem;font-weight:700;letter-spacing:-.02em}.brand-subtitle{font-size:.8rem;color:var(--text-secondary)}.header-badge{display:flex;align-items:center}.privacy-indicator{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;background:#10b9811f;border:1px solid rgba(16,185,129,.3);color:var(--accent-success);border-radius:var(--radius-pill);font-size:.82rem;font-weight:600}.header-actions{display:flex;align-items:center;gap:12px}.workspace{display:grid;grid-template-columns:1fr 440px;gap:28px;align-items:start}@media (max-width: 1024px){.workspace{grid-template-columns:1fr}}.section-card{background:var(--bg-card);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:24px;margin-bottom:24px;box-shadow:var(--shadow-sm);transition:var(--transition)}.step-header{display:flex;align-items:center;gap:12px;margin-bottom:20px}.step-num{width:32px;height:32px;border-radius:8px;background:var(--bg-secondary);color:var(--accent-primary);border:1px solid var(--border-color);display:flex;align-items:center;justify-content:center;font-family:Outfit,sans-serif;font-weight:700;font-size:.95rem}.step-header h2{font-family:Outfit,sans-serif;font-size:1.15rem;font-weight:700}.type-tabs-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(90px,1fr));gap:8px;margin-bottom:20px}.type-tab{display:flex;flex-direction:column;align-items:center;gap:6px;padding:10px 8px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-secondary);font-size:.78rem;font-weight:600;cursor:pointer;transition:var(--transition)}.type-tab:hover{background:var(--bg-card-hover);color:var(--text-primary);border-color:#3b82f666}.type-tab.active{background:#3b82f626;border-color:var(--accent-primary);color:var(--accent-primary);box-shadow:0 0 12px #3b82f633}.design-tabs{display:flex;gap:8px;padding:4px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);margin-bottom:20px;overflow-x:auto}.design-tab{flex:1;padding:8px 16px;background:transparent;border:none;border-radius:var(--radius-sm);color:var(--text-secondary);font-size:.88rem;font-weight:600;cursor:pointer;transition:var(--transition);text-align:center;white-space:nowrap}.design-tab:hover{color:var(--text-primary)}.design-tab.active{background:var(--accent-primary);color:#fff;box-shadow:0 2px 8px #3b82f64d}.tab-content{display:none;animation:fadeIn .2s ease}.tab-content.active{display:block}@keyframes fadeIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.frame-picker-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(84px,1fr));gap:12px;margin-bottom:16px}.frame-card{display:flex;flex-direction:column;align-items:center;justify-content:center;height:84px;padding:10px;background:var(--bg-secondary);border:2px solid var(--border-color);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition);color:var(--text-secondary)}.frame-card svg{width:32px;height:32px;margin-bottom:4px}.frame-card span{font-size:.72rem;font-weight:600}.frame-card:hover{border-color:#3b82f680;color:var(--text-primary)}.frame-card.active{border-color:var(--accent-primary);background:#3b82f61f;color:var(--accent-primary);box-shadow:0 0 14px #3b82f640}.form-group{display:flex;flex-direction:column;gap:6px}.form-group label{font-size:.82rem;font-weight:600;color:var(--text-secondary)}.text-input,.select-input,.file-input{width:100%;padding:10px 14px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-size:.88rem;outline:none;transition:var(--transition)}.text-input:focus,.select-input:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px #3b82f633}textarea.text-input{min-height:80px;resize:vertical}.grid-2-col{display:grid;grid-template-columns:1fr 1fr;gap:14px}.margin-top{margin-top:16px}.margin-top-sm{margin-top:10px}.hidden{display:none!important}.color-picker-wrapper{display:flex;align-items:center;gap:10px;padding:4px 10px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md)}.color-picker-wrapper input[type=color]{-webkit-appearance:none;border:none;width:28px;height:28px;border-radius:6px;cursor:pointer;background:transparent}.color-picker-wrapper input[type=color]::-webkit-color-swatch-wrapper{padding:0}.color-picker-wrapper input[type=color]::-webkit-color-swatch{border:1px solid rgba(255,255,255,.2);border-radius:6px}.color-picker-wrapper span{font-size:.82rem;font-family:monospace;color:var(--text-secondary)}.shape-selector{display:flex;flex-wrap:wrap;gap:8px}.shape-btn{padding:8px 12px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-secondary);font-size:.8rem;font-weight:600;cursor:pointer;transition:var(--transition)}.shape-btn:hover{color:var(--text-primary);border-color:#3b82f666}.shape-btn.active{background:#3b82f626;border-color:var(--accent-primary);color:var(--accent-primary)}.level-selector{display:grid;grid-template-columns:1fr 1fr;gap:10px}.level-btn{display:flex;flex-direction:column;align-items:flex-start;padding:12px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-secondary);cursor:pointer;transition:var(--transition);text-align:left}.level-btn strong{font-size:.88rem;color:var(--text-primary)}.level-btn span{font-size:.75rem;color:var(--text-muted)}.level-btn.active{background:#3b82f626;border-color:var(--accent-primary)}.level-btn.active strong{color:var(--accent-primary)}.ecc-alert{padding:10px 14px;background:#f59e0b1a;border:1px solid rgba(245,158,11,.3);border-radius:var(--radius-md);color:var(--accent-warning);font-size:.8rem}.icon-presets-grid{display:flex;flex-wrap:wrap;gap:8px}.icon-preset-btn{padding:6px 12px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-secondary);font-size:.8rem;cursor:pointer;transition:var(--transition)}.icon-preset-btn.active{background:var(--accent-primary);color:#fff;border-color:var(--accent-primary)}.range-slider{accent-color:var(--accent-primary);cursor:pointer}.preview-panel{position:sticky;top:24px}.preview-card{background:var(--bg-card);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-lg);text-align:center}.preview-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.preview-header h3{font-family:Outfit,sans-serif;font-size:1.1rem;font-weight:700}.status-chip{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--radius-pill);font-size:.75rem;font-weight:600}.status-chip.success{background:#10b98126;color:var(--accent-success);border:1px solid rgba(16,185,129,.3)}.status-chip.warning{background:#f59e0b26;color:var(--accent-warning);border:1px solid rgba(245,158,11,.3)}.canvas-stage{min-height:360px;display:flex;align-items:center;justify-content:center;padding:28px 20px;background:radial-gradient(circle at 50% 50%,#ffffff0f,#00000040);border:1px solid var(--border-color);border-radius:var(--radius-md);margin-bottom:20px;position:relative;overflow:hidden;box-shadow:inset 0 2px 10px #00000040}.canvas-stage canvas{max-width:100%;max-height:400px;height:auto!important;border-radius:var(--radius-md);box-shadow:0 14px 36px #0006;transition:transform .25s cubic-bezier(.4,0,.2,1);background:#fff}.canvas-stage canvas:hover{transform:scale(1.03)}.payload-summary{padding:10px 14px;background:var(--bg-secondary);border-radius:var(--radius-md);border:1px solid var(--border-color);margin-bottom:20px;text-align:left}.payload-meta{display:flex;flex-direction:column;gap:2px}.meta-label{font-size:.72rem;color:var(--text-muted);text-transform:uppercase;font-weight:700}.meta-value{font-size:.8rem;font-family:monospace;color:var(--accent-primary);word-break:break-all}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 16px;border-radius:var(--radius-md);font-size:.88rem;font-weight:600;cursor:pointer;transition:var(--transition);border:none;outline:none}.btn-primary{background:var(--accent-primary);color:#fff;box-shadow:0 4px 14px #3b82f659}.btn-primary:hover{background:var(--accent-primary-hover);transform:translateY(-1px)}.btn-secondary{background:var(--bg-secondary);border:1px solid var(--border-color);color:var(--text-primary)}.btn-secondary:hover{background:var(--bg-card-hover)}.btn-outline{background:transparent;border:1px solid var(--border-color);color:var(--text-secondary)}.btn-outline:hover{border-color:var(--accent-primary);color:var(--accent-primary)}.btn-accent{border-color:#8b5cf666;color:var(--accent-secondary)}.btn-accent:hover{background:#8b5cf61a}.btn-icon{padding:10px;background:var(--bg-secondary);border:1px solid var(--border-color);color:var(--text-secondary);border-radius:var(--radius-md)}.btn-icon:hover{color:var(--text-primary)}.btn-large{padding:12px 18px;font-size:.92rem;width:100%}.export-secondary-row{display:flex;gap:8px}.export-secondary-row .btn{flex:1;font-size:.78rem;padding:8px}.modal-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#000000bf;backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease}.modal-content{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);width:90%;max-width:520px;padding:24px;box-shadow:var(--shadow-lg)}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.modal-header h3{font-family:Outfit,sans-serif;font-size:1.15rem}.btn-close{background:transparent;border:none;color:var(--text-muted);font-size:1.5rem;cursor:pointer}.modal-desc{font-size:.85rem;color:var(--text-secondary);margin-bottom:16px}.csv-sample pre{background:#0000004d;padding:10px;border-radius:var(--radius-sm);font-size:.78rem;color:var(--accent-primary);margin-top:6px}.progress-bar-container{height:20px;background:var(--bg-primary);border-radius:var(--radius-pill);position:relative;overflow:hidden;margin-top:16px}.progress-bar-fill{height:100%;background:linear-gradient(90deg,var(--accent-primary),var(--accent-secondary));transition:width .2s ease}.progress-text{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:.72rem;font-weight:700;color:#fff}.scan-result-box{padding:20px;background:var(--bg-primary);border-radius:var(--radius-md);text-align:center}