.arch-palette-generator{--arch-primary: #2C3E50;--arch-primary-hover: #1a252f;--arch-secondary: #7F8C8D;--arch-accent: #3498DB;--arch-accent-hover: #2980B9;--arch-success: #27AE60;--arch-border: #E5E7EB;--arch-border-dark: #D1D5DB;--arch-bg: #F9FAFB;--arch-bg-white: #FFFFFF;--arch-text: #1F2937;--arch-text-secondary: #4B5563;--arch-text-muted: #6B7280;--arch-text-light: #6B7280;--arch-shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--arch-shadow: 0 1px 3px rgba(0, 0, 0, .1), 0 1px 2px rgba(0, 0, 0, .06);--arch-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--arch-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--arch-radius: 12px;--arch-radius-sm: 8px;--arch-radius-xs: 6px;--arch-transition: all .2s ease}.arch-palette-generator{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;max-width:1100px;margin:0 auto;padding:32px;color:var(--arch-text);line-height:1.6;box-sizing:border-box;background:var(--arch-bg-white);border-radius:var(--arch-radius);box-shadow:var(--arch-shadow-md)}.arch-palette-generator *,.arch-palette-generator *:before,.arch-palette-generator *:after{box-sizing:border-box}.arch-palette-generator .arch-tabs{display:flex;gap:4px;margin-bottom:28px;background:#f3f4f6;padding:6px;border-radius:var(--arch-radius)}.arch-palette-generator .arch-tabs button.arch-tab{display:flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border:none!important;background:transparent!important;color:#374151!important;font-size:14px!important;font-weight:600!important;cursor:pointer;transition:var(--arch-transition);border-radius:var(--arch-radius-sm);flex:1;text-shadow:none!important}.arch-palette-generator .arch-tabs button.arch-tab:hover{background:#fff!important;color:#111827!important}.arch-palette-generator .arch-tabs button.arch-tab.active{background:#fff!important;color:#1f2937!important;box-shadow:var(--arch-shadow)}.arch-palette-generator .arch-tab svg{flex-shrink:0;width:18px;height:18px;stroke:currentColor!important}.arch-tab-content{display:none;animation:fadeIn .25s ease}.arch-tab-content.active{display:block}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.arch-upload-area{border:2px dashed var(--arch-border-dark);border-radius:var(--arch-radius);padding:48px 32px;text-align:center;cursor:pointer;transition:var(--arch-transition);background:var(--arch-bg);display:flex;flex-direction:column;align-items:center;justify-content:center}.arch-upload-area:hover{border-color:var(--arch-accent);background:#3498db0a}.arch-upload-area.arch-upload-dragover{border-color:var(--arch-accent);background:#3498db14;transform:scale(1.005)}.arch-upload-area input[type=file]{display:none}.arch-upload-content svg{color:var(--arch-text-light);margin-bottom:16px}.arch-upload-text{font-size:15px;font-weight:500;color:var(--arch-text-secondary);margin:0 0 6px}.arch-upload-hint{font-size:13px;color:var(--arch-text-light);margin:0}.arch-image-preview-container{text-align:center;padding:24px;background:var(--arch-bg);border-radius:var(--arch-radius)}.arch-image-preview-container img{max-width:100%;max-height:350px;border-radius:var(--arch-radius-sm);box-shadow:var(--arch-shadow-md);margin-bottom:20px}.arch-picker-section{margin-bottom:28px;padding:24px;background:var(--arch-bg);border-radius:var(--arch-radius)}.arch-picker-section label{display:block;font-weight:600;font-size:14px;margin-bottom:12px;color:var(--arch-text)}.arch-picker-wrapper{display:flex;align-items:center;gap:12px}.arch-picker-wrapper input[type=color]{width:56px;height:56px;border:2px solid var(--arch-border);border-radius:var(--arch-radius-sm);cursor:pointer;padding:3px;background:var(--arch-bg-white);transition:var(--arch-transition)}.arch-picker-wrapper input[type=color]:hover{border-color:var(--arch-accent)}.arch-picker-wrapper input[type=color]::-webkit-color-swatch-wrapper{padding:0}.arch-picker-wrapper input[type=color]::-webkit-color-swatch{border:none;border-radius:4px}.arch-picker-wrapper input[type=text]{font-family:SF Mono,Monaco,Cascadia Code,Consolas,monospace;font-size:16px;padding:14px 16px;border:2px solid var(--arch-border);border-radius:var(--arch-radius-sm);width:130px;text-transform:uppercase;letter-spacing:.5px;transition:var(--arch-transition);background:var(--arch-bg-white)}.arch-picker-wrapper input[type=text]:focus{outline:none;border-color:var(--arch-accent);box-shadow:0 0 0 3px #3498db26}.arch-harmony-section{padding:24px;background:var(--arch-bg);border-radius:var(--arch-radius)}.arch-harmony-section>label{display:block;font-weight:600;font-size:14px;margin-bottom:16px;color:var(--arch-text)}.arch-palette-generator .arch-harmony-buttons{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:10px}.arch-palette-generator .arch-harmony-buttons button.arch-harmony-btn{display:flex;align-items:center;justify-content:center;gap:8px;padding:14px 16px;border:2px solid #E5E7EB!important;border-radius:var(--arch-radius-sm);background:#fff!important;color:#1f2937!important;font-size:13px!important;font-weight:600!important;cursor:pointer;transition:var(--arch-transition);text-shadow:none!important}.arch-palette-generator .arch-harmony-buttons button.arch-harmony-btn:hover{border-color:#2c3e50!important;background:#f9fafb!important;color:#1f2937!important;box-shadow:var(--arch-shadow-sm)}.arch-palette-generator .arch-harmony-buttons button.arch-harmony-btn.active{border-color:#2c3e50!important;background:#2c3e50!important;color:#fff!important;box-shadow:var(--arch-shadow)}.arch-harmony-icon{display:flex;gap:2px}.arch-harmony-icon span{width:14px;height:14px;border-radius:3px;border:1px solid rgba(0,0,0,.1)}.arch-harmony-btn.active .arch-harmony-icon span{border-color:#ffffff4d}.arch-palette-generator .arch-category-filter{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid #E5E7EB}.arch-palette-generator .arch-category-filter button.arch-filter-btn{padding:8px 16px;border:1px solid #D1D5DB!important;border-radius:100px;background:#fff!important;color:#1f2937!important;font-size:13px!important;font-weight:600!important;cursor:pointer;transition:var(--arch-transition);white-space:nowrap;text-shadow:none!important}.arch-palette-generator .arch-category-filter button.arch-filter-btn:hover{border-color:#2c3e50!important;color:#1f2937!important;background:#f9fafb!important}.arch-palette-generator .arch-category-filter button.arch-filter-btn.active{background:#2c3e50!important;border-color:#2c3e50!important;color:#fff!important}.arch-presets-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}.arch-preset-card{background:var(--arch-bg-white);border:1px solid var(--arch-border);border-radius:var(--arch-radius);overflow:hidden;cursor:pointer;transition:var(--arch-transition)}.arch-preset-card:hover{transform:translateY(-2px);box-shadow:var(--arch-shadow-md);border-color:var(--arch-border-dark)}.arch-preset-colors{display:flex;height:64px}.arch-preset-color{flex:1;transition:var(--arch-transition)}.arch-preset-card:hover .arch-preset-color{height:70px}.arch-preset-info{padding:12px 14px;display:flex;justify-content:space-between;align-items:center;background:var(--arch-bg-white)}.arch-preset-name{font-weight:600;color:var(--arch-text);font-size:13px}.arch-preset-category{font-size:11px;color:var(--arch-text-light);background:var(--arch-bg);padding:4px 8px;border-radius:100px;text-transform:capitalize}.arch-result-palette{margin-top:32px;padding-top:28px;border-top:1px solid var(--arch-border)}.arch-result-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;flex-wrap:wrap;gap:16px}.arch-result-header h3{margin:0;font-size:18px;font-weight:600;color:var(--arch-text)}.arch-color-cards{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.arch-color-card{border-radius:var(--arch-radius);padding:20px 14px;text-align:center;cursor:pointer;transition:var(--arch-transition);min-height:160px;display:flex;flex-direction:column;justify-content:center;position:relative;box-shadow:var(--arch-shadow);border:1px solid rgba(0,0,0,.05)}.arch-color-card:hover{transform:scale(1.03);box-shadow:var(--arch-shadow-lg)}.arch-color-card:hover .arch-color-copy-hint{opacity:1}.arch-color-hex{font-family:SF Mono,Monaco,Cascadia Code,Consolas,monospace;font-size:14px;font-weight:600;margin-bottom:6px;letter-spacing:.3px}.arch-color-rgb,.arch-color-hsl{font-size:10px;opacity:.8;margin-bottom:3px;font-weight:500}.arch-color-copy-hint{font-size:10px;opacity:0;margin-top:10px;transition:opacity .2s ease;text-transform:uppercase;letter-spacing:.5px;font-weight:600}.arch-btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;background:var(--arch-primary);color:var(--arch-bg-white);border:none;border-radius:var(--arch-radius-sm);font-size:14px;font-weight:500;cursor:pointer;transition:var(--arch-transition);box-shadow:var(--arch-shadow-sm)}.arch-btn-primary:hover{background:var(--arch-primary-hover);box-shadow:var(--arch-shadow)}.arch-btn-primary:active{transform:scale(.98)}.arch-btn-secondary{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 16px;background:var(--arch-bg-white);color:var(--arch-text-secondary);border:1px solid var(--arch-border);border-radius:var(--arch-radius-sm);font-size:13px;font-weight:500;cursor:pointer;transition:var(--arch-transition)}.arch-btn-secondary:hover{background:var(--arch-bg);border-color:var(--arch-border-dark)}.arch-btn-secondary:active{transform:scale(.98)}.arch-toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%) translateY(80px);background:var(--arch-text);color:var(--arch-bg-white);padding:12px 24px;border-radius:var(--arch-radius-sm);font-size:14px;font-weight:500;box-shadow:var(--arch-shadow-lg);opacity:0;transition:all .3s cubic-bezier(.4,0,.2,1);z-index:10000}.arch-toast.arch-toast-visible{transform:translate(-50%) translateY(0);opacity:1}@media(max-width:1024px){.arch-color-cards{grid-template-columns:repeat(3,1fr)}.arch-presets-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}}@media(max-width:768px){.arch-palette-generator{padding:20px;border-radius:var(--arch-radius-sm)}.arch-tabs{padding:4px}.arch-tab{padding:10px 12px;font-size:13px}.arch-tab span{display:none}.arch-tab svg{width:20px;height:20px}.arch-upload-area{padding:36px 20px}.arch-color-cards{grid-template-columns:repeat(2,1fr);gap:10px}.arch-color-card{min-height:140px;padding:16px 12px}.arch-color-hex{font-size:13px}.arch-harmony-buttons{grid-template-columns:repeat(2,1fr);gap:8px}.arch-harmony-btn{padding:12px 10px;font-size:12px}.arch-harmony-icon{display:none}.arch-presets-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}.arch-preset-colors{height:56px}.arch-preset-info{padding:10px 12px}.arch-preset-name{font-size:12px}.arch-preset-category{font-size:10px;padding:3px 6px}.arch-result-header{flex-direction:column;align-items:stretch}.arch-btn-primary{width:100%}.arch-picker-section,.arch-harmony-section{padding:16px}}@media(max-width:480px){.arch-palette-generator{padding:16px;margin:0 -8px;border-radius:0}.arch-color-cards{grid-template-columns:repeat(2,1fr)}.arch-color-rgb,.arch-color-hsl{display:none}.arch-color-card{min-height:100px}.arch-picker-wrapper{flex-wrap:wrap}.arch-picker-wrapper input[type=text]{width:100%}.arch-picker-wrapper input[type=color]{width:100%;height:48px}.arch-category-filter{overflow-x:auto;flex-wrap:nowrap;padding-bottom:16px;margin-bottom:20px;-webkit-overflow-scrolling:touch;scrollbar-width:none}.arch-category-filter::-webkit-scrollbar{display:none}.arch-filter-btn{flex-shrink:0;padding:6px 12px;font-size:12px}.arch-harmony-buttons,.arch-presets-grid{grid-template-columns:1fr}}@media print{.arch-tabs,.arch-tab-content,.arch-btn-primary,.arch-btn-secondary,.arch-toast,.arch-category-filter{display:none!important}.arch-palette-generator{box-shadow:none;padding:0}.arch-result-palette{display:block!important;border:none;margin:0;padding:0}.arch-color-cards{grid-template-columns:repeat(5,1fr)}.arch-color-card{box-shadow:none;border:1px solid #ddd;-webkit-print-color-adjust:exact;print-color-adjust:exact}}.arch-tab:focus-visible,.arch-harmony-btn:focus-visible,.arch-filter-btn:focus-visible,.arch-preset-card:focus-visible,.arch-btn-primary:focus-visible,.arch-btn-secondary:focus-visible{outline:2px solid var(--arch-accent);outline-offset:2px}.arch-category-filter{scroll-behavior:smooth}.arch-palette-generator{background:#fff!important;color:#1f2937!important}.arch-palette-generator .arch-picker-section,.arch-palette-generator .arch-harmony-section,.arch-palette-generator .arch-upload-area,.arch-palette-generator .arch-tabs,.arch-palette-generator .arch-tab-content{background:transparent}.arch-palette-generator .arch-picker-wrapper input[type=text]{color:#1f2937!important;background:#fff!important}.arch-palette-generator .arch-picker-section label,.arch-palette-generator .arch-harmony-section label,.arch-palette-generator .arch-result-header h3,.arch-palette-generator .arch-preset-name,.arch-palette-generator .arch-upload-text{color:#1f2937!important}.arch-palette-generator .arch-upload-hint,.arch-palette-generator .arch-preset-category{color:#6b7280!important}.arch-palette-generator .arch-color-card:focus-visible,.arch-palette-generator .arch-preset-card:focus-visible,.arch-palette-generator .arch-upload-area:focus-visible{outline:3px solid #2563eb;outline-offset:2px}.arch-palette-generator button.arch-btn-secondary{background:#fff!important;color:#374151!important;border:1px solid #D1D5DB!important;font-size:13px!important;font-weight:600!important;text-transform:none!important;letter-spacing:normal!important;text-shadow:none!important;line-height:1.4!important}.arch-palette-generator button.arch-btn-secondary:hover,.arch-palette-generator button.arch-btn-secondary:focus{background:#f3f4f6!important;color:#111827!important;border-color:#9ca3af!important}.arch-palette-generator button.arch-btn-secondary svg{stroke:currentColor!important;flex-shrink:0}.arch-palette-generator .arch-harmony-buttons button.arch-harmony-btn{min-width:0;white-space:normal!important;text-align:center;line-height:1.3!important;text-transform:none!important;letter-spacing:normal!important;height:auto!important;flex-wrap:wrap;row-gap:6px}.arch-palette-generator .arch-harmony-btn .arch-harmony-icon{flex-shrink:0}.arch-palette-generator .arch-harmony-btn .arch-harmony-label{min-width:0;overflow-wrap:break-word}.arch-palette-generator .arch-neutrals-toggle{display:inline-flex!important;align-items:center;gap:8px;margin:0 0 14px!important;font-size:13px!important;font-weight:500!important;line-height:1.4!important;color:#374151!important;cursor:pointer;text-transform:none!important;letter-spacing:normal!important}.arch-palette-generator .arch-neutrals-toggle input[type=checkbox]{width:16px;height:16px;margin:0!important;accent-color:#2C3E50;cursor:pointer}div.arch-palette-generator.arch-palette-generator{max-width:1100px}.arch-palette-generator .arch-result-header h3{font-size:18px;line-height:1.2;margin:0}.arch-palette-generator .arch-picker-section label,.arch-palette-generator .arch-harmony-section>label{font-weight:600;font-size:14px}.arch-palette-generator .arch-picker-wrapper input[type=text]{font-size:16px;line-height:1.6;padding:14px 16px;border:2px solid #E5E7EB;width:130px;max-width:100%}@media(max-width:480px){.arch-palette-generator .arch-picker-wrapper input[type=text]{width:100%}}.arch-palette-generator .arch-image-preview-container img{max-width:100%;max-height:350px;border-radius:8px;box-shadow:var(--arch-shadow-md);margin:0 auto 20px;display:block}.arch-palette-generator .arch-tabs button.arch-tab:focus-visible,.arch-palette-generator .arch-harmony-buttons button.arch-harmony-btn:focus-visible,.arch-palette-generator .arch-category-filter button.arch-filter-btn:focus-visible,.arch-palette-generator .arch-preset-card:focus-visible,.arch-palette-generator .arch-upload-area:focus-visible,.arch-palette-generator .arch-color-card:focus-visible,.arch-palette-generator button.arch-btn-primary:focus-visible,.arch-palette-generator button.arch-btn-secondary:focus-visible,.arch-palette-generator .arch-neutrals-toggle input:focus-visible,.arch-palette-generator .arch-picker-wrapper input:focus-visible,.arch-palette-generator .arch-result-header h3:focus-visible{outline:3px solid #2563EB!important;outline-offset:2px!important}.arch-palette-generator .arch-picker-wrapper input[type=text]:focus{border-color:#3498db!important;box-shadow:0 0 0 3px #3498db33!important}.arch-palette-generator[data-theme=dark]{--arch-bg: #1F2937;--arch-bg-white: #111827;--arch-border: #374151;--arch-border-dark: #4B5563;--arch-text: #F3F4F6;--arch-text-secondary: #D1D5DB;--arch-text-light: #9CA3AF;background:#111827!important;color:#f3f4f6!important}.arch-palette-generator[data-theme=dark] .arch-tabs{background:#1f2937!important}.arch-palette-generator[data-theme=dark] .arch-tabs button.arch-tab{color:#d1d5db!important}.arch-palette-generator[data-theme=dark] .arch-tabs button.arch-tab:hover,.arch-palette-generator[data-theme=dark] .arch-tabs button.arch-tab.active{background:#374151!important;color:#f9fafb!important}.arch-palette-generator[data-theme=dark] .arch-upload-area,.arch-palette-generator[data-theme=dark] .arch-image-preview-container,.arch-palette-generator[data-theme=dark] .arch-picker-section,.arch-palette-generator[data-theme=dark] .arch-harmony-section{background:#1f2937!important;border-color:#4b5563}.arch-palette-generator[data-theme=dark] .arch-picker-section label,.arch-palette-generator[data-theme=dark] .arch-harmony-section label,.arch-palette-generator[data-theme=dark] .arch-result-header h3,.arch-palette-generator[data-theme=dark] .arch-preset-name,.arch-palette-generator[data-theme=dark] .arch-upload-text{color:#f3f4f6!important}.arch-palette-generator[data-theme=dark] .arch-upload-hint,.arch-palette-generator[data-theme=dark] .arch-upload-content svg{color:#9ca3af!important}.arch-palette-generator[data-theme=dark] .arch-neutrals-toggle{color:#d1d5db!important}.arch-palette-generator[data-theme=dark] .arch-picker-wrapper input[type=text],.arch-palette-generator[data-theme=dark] .arch-picker-wrapper input[type=color]{background:#111827!important;color:#f9fafb!important;border-color:#4b5563!important}.arch-palette-generator[data-theme=dark] .arch-harmony-buttons button.arch-harmony-btn,.arch-palette-generator[data-theme=dark] .arch-category-filter button.arch-filter-btn{background:#111827!important;color:#f3f4f6!important;border-color:#4b5563!important}.arch-palette-generator[data-theme=dark] .arch-harmony-buttons button.arch-harmony-btn:hover,.arch-palette-generator[data-theme=dark] .arch-category-filter button.arch-filter-btn:hover{background:#374151!important;border-color:#9ca3af!important;color:#f9fafb!important}.arch-palette-generator[data-theme=dark] .arch-harmony-buttons button.arch-harmony-btn.active,.arch-palette-generator[data-theme=dark] .arch-category-filter button.arch-filter-btn.active{background:#e5e7eb!important;border-color:#e5e7eb!important;color:#111827!important}.arch-palette-generator[data-theme=dark] .arch-harmony-btn .arch-harmony-icon span{border-color:#ffffff40}.arch-palette-generator[data-theme=dark] .arch-category-filter{border-bottom-color:#374151}.arch-palette-generator[data-theme=dark] .arch-preset-card,.arch-palette-generator[data-theme=dark] .arch-preset-info{background:#1f2937;border-color:#374151}.arch-palette-generator[data-theme=dark] .arch-preset-category{background:#111827;color:#d1d5db!important}.arch-palette-generator[data-theme=dark] .arch-result-palette{border-top-color:#374151}.arch-palette-generator[data-theme=dark] button.arch-btn-primary{background:#f3f4f6!important;color:#111827!important}.arch-palette-generator[data-theme=dark] button.arch-btn-primary:hover{background:#fff!important}.arch-palette-generator[data-theme=dark] button.arch-btn-secondary{background:#111827!important;color:#f3f4f6!important;border-color:#4b5563!important}.arch-palette-generator[data-theme=dark] button.arch-btn-secondary:hover,.arch-palette-generator[data-theme=dark] button.arch-btn-secondary:focus{background:#374151!important;color:#fff!important}.arch-palette-generator[data-theme=dark] .arch-color-card{border-color:#ffffff14}.arch-palette-generator[data-theme=dark] .arch-toast{background:#f3f4f6;color:#111827}.arch-palette-generator[data-theme=dark] .arch-tabs button.arch-tab:focus-visible,.arch-palette-generator[data-theme=dark] .arch-harmony-buttons button.arch-harmony-btn:focus-visible,.arch-palette-generator[data-theme=dark] .arch-category-filter button.arch-filter-btn:focus-visible,.arch-palette-generator[data-theme=dark] .arch-preset-card:focus-visible,.arch-palette-generator[data-theme=dark] 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