:root{--primary-color: #4f46e5;--primary-hover: #4338ca;--accent-color: #f472b6;--accent-glow: 0 0 20px rgba(244, 114, 182, .5);--bg-gradient-1: #4f46e5;--bg-gradient-2: #ec4899;--bg-gradient-3: #06b6d4;--text-main: #0f172a;--text-muted: #475569;--text-light: #ffffff;--glass-bg: rgba(255, 255, 255, .85);--glass-bg-hover: rgba(255, 255, 255, .95);--glass-border: 1px solid rgba(255, 255, 255, .6);--glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, .15);--glass-blur: blur(16px);--bg-secondary: rgba(255, 255, 255, .4);--input-bg: rgba(255, 255, 255, .5);--input-border: 1px solid rgba(255, 255, 255, .6);--input-focus-border: var(--primary-color);--input-focus-shadow: 0 0 0 3px rgba(79, 70, 229, .2);--max-width: 1200px;--radius-sm: 8px;--radius-md: 16px;--radius-lg: 24px;--radius-xl: 32px;--radius-full: 9999px;--spacing-1: .25rem;--spacing-2: .5rem;--spacing-3: .75rem;--spacing-4: 1rem;--spacing-5: 1.25rem;--spacing-6: 1.5rem;--spacing-8: 2rem;--spacing-10: 2.5rem;--spacing-12: 3rem;--spacing-16: 4rem;--font-family: "Inter", sans-serif;--font-h1: 3rem;--font-h2: 1.5rem;--font-body: 1rem;--font-small: .875rem;--line-height-base: 1.5;--line-height-heading: 1.1}*{font-family:var(--font-family);margin:0;padding:0;box-sizing:border-box;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{min-height:100vh;color:var(--text-main);background:#f1f5f9;overflow-x:hidden;position:relative;line-height:var(--line-height-base);font-size:var(--font-body)}.reference-input input[id=color-value]{width:100px;text-transform:uppercase}.skip-link{position:absolute;top:-100%;left:50%;transform:translate(-50%);z-index:9999;padding:1rem 2rem;background:var(--primary-color);color:#fff;border-radius:var(--radius-md);font-weight:600;text-decoration:none;transition:top .3s ease}.skip-link:focus{top:1rem;outline:3px solid var(--accent-color);outline-offset:2px}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}:focus-visible{outline:3px solid var(--accent-color);outline-offset:2px}.bg-blobs{position:fixed;top:0;left:0;width:100%;height:100%;z-index:-1;overflow:hidden;background:#f8fafc}.blob{position:absolute;border-radius:50%;filter:blur(80px);opacity:.5;animation:float 20s infinite ease-in-out}.blob:nth-child(1){top:-10%;left:-10%;width:600px;height:600px;background:var(--bg-gradient-1);animation-delay:0s}.blob:nth-child(2){bottom:-10%;right:-10%;width:500px;height:500px;background:var(--bg-gradient-2);animation-delay:-5s}.blob:nth-child(3){bottom:20%;left:20%;width:300px;height:300px;background:var(--bg-gradient-3);animation-delay:-10s}@keyframes float{0%,to{transform:translate(0)}33%{transform:translate(30px,-50px)}66%{transform:translate(-20px,20px)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}.blob{animation:none}}.main-wrapper{max-width:var(--max-width);margin:var(--spacing-8) auto;padding:var(--spacing-6);position:relative;z-index:1}header{text-align:center;margin-bottom:var(--spacing-10)}header h1{font-weight:800;font-size:var(--font-h1);letter-spacing:-2px;color:var(--text-main);text-shadow:0 2px 10px rgba(0,0,0,.1);margin-bottom:var(--spacing-2);line-height:var(--line-height-heading)}header h1 span{background:linear-gradient(135deg,var(--primary-color),var(--accent-color));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;display:inline-block}header p{color:var(--text-main);font-size:1.1rem;font-weight:500;opacity:.9}.section-title-secondary{font-size:1.2rem;margin:1.5rem 0 1rem;color:var(--text-muted)}.hidden-rule{display:none}#box-shadow-generator{display:grid;grid-template-columns:1.2fr 1fr;gap:var(--spacing-8);align-items:start}@media(max-width:900px){#box-shadow-generator{grid-template-columns:1fr;gap:var(--spacing-6)}.main-wrapper{padding:var(--spacing-4);margin:var(--spacing-4) auto}}#preview{position:sticky;top:var(--spacing-4);display:flex;flex-direction:column;min-height:520px;padding:var(--spacing-8);justify-content:flex-start;align-items:center;background:var(--glass-bg);border-radius:var(--radius-lg);border:var(--glass-border);box-shadow:var(--glass-shadow);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur)}#preview h2{align-self:flex-start;margin-bottom:var(--spacing-6)}#box{width:200px;height:200px;background:#fd0;border-radius:var(--radius-md);margin:auto}@media(max-width:768px){.blob{opacity:.4}header h1{font-size:2.5rem}#preview{min-height:360px;position:static}#box{width:150px;height:150px}}#controls,#preview,.glass-panel{background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border:var(--glass-border);box-shadow:var(--glass-shadow);border-radius:var(--radius-xl);padding:var(--spacing-6);transition:transform .3s ease,box-shadow .3s ease}#preview:hover{box-shadow:0 12px 40px #1f268740;transform:translateY(-4px);border-color:#fff9}.form-control{margin-bottom:var(--spacing-6);border:none;padding:0}.control-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-3)}.control-header label{font-weight:600;font-size:.95rem;color:var(--text-main);margin:0}.reference-input{display:flex;align-items:center;gap:var(--spacing-2)}.reference-input .unit{color:var(--text-muted);font-size:.85rem;font-weight:500;-webkit-user-select:none;user-select:none}.control-body{width:100%}input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:8px;background:#00000026;border-radius:var(--radius-full);outline:none;margin:0;border:1px solid rgba(0,0,0,.05);transition:background .3s}input[type=range]:hover{background:#00000040}input[type=range]:focus-visible{outline:3px solid var(--accent-color);outline-offset:4px}input[type=range]:focus-visible::-webkit-slider-thumb{box-shadow:0 0 0 4px #4f46e559}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:18px;height:18px;background:#fff;cursor:pointer;border-radius:50%;box-shadow:0 2px 5px #0000001a,0 0 0 1px #0000000d;transition:transform .2s cubic-bezier(.4,0,.2,1);border:2px solid var(--primary-color);margin-top:-6px}input[type=range]::-webkit-slider-runnable-track{height:6px;border-radius:var(--radius-full)}input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.2);box-shadow:0 0 0 4px #4f46e51a}.checkbox-control{display:flex;align-items:center;justify-content:flex-start;padding:var(--spacing-2) 0}.checkbox-control label{margin-right:auto;font-weight:600}.preview-controls{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px;gap:10px;flex-wrap:wrap}.presets-bar{display:flex;gap:8px}.preset-btn{background:#fff6;border:1px solid rgba(0,0,0,.1);color:var(--text-main);padding:6px 12px;border-radius:20px;font-size:.8rem;font-weight:500;cursor:pointer;transition:all .2s;box-shadow:0 1px 2px #0000000d}.preset-btn:hover{background:var(--primary-color);border-color:var(--primary-color);color:#fff;transform:translateY(-1px);box-shadow:0 4px 6px #4f46e533}.color-config{display:flex;gap:8px}.color-config label{display:flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;overflow:hidden;cursor:pointer;border:2px solid rgba(0,0,0,.15);transition:border-color .2s;background:#fff}.color-config label:hover{border-color:var(--primary-color)}.color-config input[type=color]{width:150%;height:150%;margin:-25%;padding:0;border:none;cursor:pointer}.reference-input input[type=text]{width:64px;height:32px;background:var(--input-bg);border:var(--input-border);border-radius:var(--radius-sm);text-align:center;font-weight:600;color:var(--text-main);font-size:.9rem;transition:all .2s ease}.reference-input input[type=text]:focus{outline:none;background:#fff;box-shadow:var(--input-focus-shadow);border-color:var(--input-focus-border)}input[type=color]{-webkit-appearance:none;appearance:none;width:100%;height:48px;border:none;border-radius:var(--radius-md);cursor:pointer;box-shadow:0 4px 6px #0000000d;transition:transform .2s,box-shadow .2s;background:none}input[type=color]:hover{transform:translateY(-2px);box-shadow:0 6px 12px #0000001a}input[type=color]::-webkit-color-swatch-wrapper{padding:0}input[type=color]::-webkit-color-swatch{border:4px solid white;border-radius:var(--radius-md);box-shadow:inset 0 0 10px #0000001a}input[type=checkbox]{width:22px;height:22px;accent-color:var(--primary-color);margin-left:var(--spacing-2);cursor:pointer}.reset-btn{margin-top:var(--spacing-6);background:#fff6;border:1px solid rgba(79,70,229,.3);color:var(--primary-color);border-radius:var(--radius-full);padding:14px 28px;font-size:.95rem;font-weight:600;width:100%;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;align-items:center;justify-content:center;gap:var(--spacing-2);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.reset-btn:hover{background:var(--primary-color);color:#fff;transform:translateY(-2px);box-shadow:0 5px 15px #4f46e54d;border-color:transparent}.reset-btn:active{transform:translateY(0)}.copiarTexto{background:linear-gradient(135deg,var(--primary-color),var(--bg-gradient-2));border:none;color:#fff;font-size:1rem;font-weight:700;height:60px;border-radius:var(--radius-full);margin-top:var(--spacing-4);box-shadow:0 4px 15px #4f46e566;transition:all .3s cubic-bezier(.4,0,.2,1);width:100%;cursor:pointer;text-transform:uppercase;letter-spacing:.5px;position:relative;overflow:hidden}.copiarTexto:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 8px 25px #ec489980}.copiarTexto:active{transform:translateY(-1px) scale(.98)}.copiarTexto.copied{background:#10b981;box-shadow:0 0 20px #10b98166}.tab-btn{background:transparent;border:none;padding:var(--spacing-3) var(--spacing-6);cursor:pointer;font-weight:600;color:var(--text-muted);border-bottom:2px solid transparent;transition:all .3s;font-size:1rem}.tab-btn.active{color:var(--primary-color);border-bottom-color:var(--primary-color)}.tabs-container{background:#0f172acc;border-radius:var(--radius-md);padding:var(--spacing-4);box-shadow:inset 0 2px 10px #0000004d;color:#e2e8f0;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1)}.tabs-header{display:flex;gap:var(--spacing-2);margin-bottom:var(--spacing-4);border-bottom:1px solid rgba(255,255,255,.1);padding-bottom:var(--spacing-2)}.tab-btn{color:#94a3b8;background:transparent;border-radius:var(--radius-full);padding:var(--spacing-2) var(--spacing-4)}.tab-btn:hover{color:#fff;background:#ffffff0d}.tab-btn.active{background:#ffffff26;color:#fff;box-shadow:0 0 10px #ffffff1a;border-bottom:none}.tab-content{display:none;animation:fadeIn .3s ease}.tab-content.active{display:block}#rules-area p,#rules-area pre{font-family:Fira Code,Courier New,monospace;font-size:.9rem;line-height:1.6;color:#cbd5e1;margin:0;word-break:break-all;white-space:pre-wrap}#rules-area p{margin-bottom:var(--spacing-2)}#rules-area span{color:#818cf8;font-weight:500}#dart-install-info{display:none;margin-top:var(--spacing-4);padding:var(--spacing-4);background:#6366f126;border-left:4px solid #818cf8;border-radius:var(--radius-sm);font-size:.9rem;animation:fadeIn .3s ease}#dart-install-info p{margin:0 0 var(--spacing-2) 0!important;color:#e2e8f0!important;font-weight:600}#dart-install-info code{display:block;background:#0000004d;padding:var(--spacing-2) var(--spacing-3);border-radius:var(--radius-sm);color:#a5b4fc;font-family:Fira Code,monospace;font-size:.85rem;-webkit-user-select:all;user-select:all;border:1px solid rgba(255,255,255,.1)}.layer-controls-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.layer-controls-header h3{margin:0;font-size:1rem;color:var(--text-main);font-weight:600}.layer-btn{border:none;border-radius:var(--radius-sm);cursor:pointer;font-weight:700;transition:all .2s cubic-bezier(.4,0,.2,1);background:var(--bg-secondary);color:var(--text-main);width:32px;height:32px;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 5px #0000000d}.layer-btn.add{background:var(--primary-color);color:#fff;box-shadow:0 4px 6px #4f46e533}.layer-btn:hover{transform:translateY(-2px);box-shadow:0 4px 8px #0000001a}.layer-btn.add:hover{background:var(--primary-hover);box-shadow:0 6px 10px #4f46e54d}.layers-list{display:flex;flex-direction:column;gap:10px;margin-bottom:25px;max-height:180px;overflow-y:auto;padding-right:4px}.layer-item{display:flex;justify-content:space-between;align-items:center;background:var(--bg-secondary);padding:12px 16px;border-radius:var(--radius-sm);cursor:pointer;border:1px solid transparent;transition:all .2s;position:relative;overflow:hidden}.layer-item:hover{background:#fff9;border-color:#4f46e51a}.layer-item.active{border-color:var(--primary-color);background:#4f46e514;box-shadow:inset 3px 0 0 var(--primary-color)}.layer-name{font-size:.95rem;color:var(--text-main);font-weight:500}.layer-item.active .layer-name{color:var(--primary-color);font-weight:600}.remove-layer-btn{background:#0000000d;border:none;color:var(--text-muted);font-size:1.1rem;cursor:pointer;width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all .2s}.remove-layer-btn:hover{background:#fee2e2;color:#ef4444}.layers-list::-webkit-scrollbar{width:5px}.layers-list::-webkit-scrollbar-track{background:#00000005}.layers-list::-webkit-scrollbar-thumb{background-color:#0000001a;border-radius:10px}.layers-list::-webkit-scrollbar-thumb:hover{background-color:#0003}#gradient-manager-container{display:flex;align-items:center;gap:10px}.gradient-controls-wrapper{display:flex;align-items:center;gap:10px;background:#fff3;padding:4px 10px;border-radius:20px;border:1px solid rgba(255,255,255,.1)}.gradient-toggle{display:flex;align-items:center;gap:6px;margin-right:5px}.toggle-label{font-size:.8rem;font-weight:500;color:var(--text-muted)}.toggle-switch{position:relative;display:inline-block;width:32px;height:18px}.toggle-switch input{opacity:0;width:0;height:0}.slider{position:absolute;cursor:pointer;inset:0;background-color:#ccc;transition:.4s}.slider:before{position:absolute;content:"";height:14px;width:14px;left:2px;bottom:2px;background-color:#fff;transition:.4s}input:checked+.slider{background-color:var(--primary-color)}input:checked+.slider:before{transform:translate(14px)}.slider.round{border-radius:34px}.slider.round:before{border-radius:50%}.color-mode-section{display:flex;align-items:center;gap:8px}.color-mode-section.hidden{display:none}.gradient-inputs{display:flex;gap:5px}.color-input-wrapper{width:24px;height:24px;border-radius:50%;overflow:hidden;border:2px solid rgba(0,0,0,.1);position:relative}.color-picker-label{display:flex;flex-direction:column;align-items:center;gap:2px;cursor:pointer}.color-picker-label span{font-size:0}.angle-control{display:flex;flex-direction:column;width:60px}.angle-control label{font-size:.7rem;white-space:nowrap;color:var(--text-muted)}.angle-control input[type=range]{height:4px}.bg-stops-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;margin-top:12px}.bg-stops-header label{font-size:.85rem;font-weight:600;color:var(--text-main)}.bg-add-stop-btn{background:transparent;border:1px solid var(--primary-color);color:var(--primary-color);border-radius:4px;padding:2px 8px;font-size:.75rem;cursor:pointer;transition:all .2s}.bg-add-stop-btn:hover{background:var(--primary-color);color:#fff}.bg-stops-list{display:flex;flex-direction:column;gap:8px}.bg-stop-row{display:flex;align-items:center;gap:12px;background:#fff9;padding:8px 12px;border-radius:8px;border:1px solid rgba(255,255,255,.4);box-shadow:0 2px 4px #0000000d}.bg-stop-input{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:32px;height:32px;border:2px solid white;border-radius:50%;cursor:pointer;flex-shrink:0;box-shadow:0 2px 4px #0000001a;overflow:hidden;padding:0;background:none}.bg-stop-input::-webkit-color-swatch-wrapper{padding:0}.bg-stop-input::-webkit-color-swatch{border:none;border-radius:50%}.bg-stop-slider{flex-grow:1;height:4px}.bg-remove-stop-btn{color:#ef4444;cursor:pointer;font-size:1.1rem;line-height:1;padding:0 4px;border:none;background:transparent;opacity:.7}.bg-remove-stop-btn:hover{opacity:1}.bg-position-controls{display:flex;gap:10px;margin-top:10px}.bg-position-control{flex:1;display:flex;flex-direction:column;gap:4px}.bg-position-control label{font-size:.75rem;color:var(--text-muted)}#toolbar{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-3) var(--spacing-6);margin-bottom:var(--spacing-6);gap:var(--spacing-4);flex-wrap:wrap;background:#fff9;border:1px solid rgba(255,255,255,.4)}.toolbar-section{display:flex;align-items:center;gap:var(--spacing-3)}.toolbar-label{font-size:.85rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.toolbar-separator{width:1px;height:24px;background:#0000001a;margin:0 var(--spacing-2)}@media(max-width:768px){#toolbar{flex-direction:column;align-items:flex-start;gap:var(--spacing-4)}.toolbar-separator{display:none}.toolbar-section{width:100%;justify-content:space-between}}.sidebar-tabs{display:flex;background:#0000001a;border-radius:var(--radius-sm);padding:4px;margin-bottom:var(--spacing-6);gap:4px}.sidebar-tab{flex:1;border:none;background:transparent;padding:8px;border-radius:6px;color:var(--text-muted);font-weight:600;cursor:pointer;transition:all .2s;font-size:.9rem}.sidebar-tab:hover{color:var(--text-main);background:#ffffff4d}.sidebar-tab.active{background:#fff;color:var(--primary-color);box-shadow:0 2px 5px #0000000d}.sidebar-content{display:none;animation:fadeIn .3s ease}.sidebar-content.active{display:block}#background-layers-container{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}.bg-layer-item{background:#fff;padding:10px;border-radius:8px;display:flex;justify-content:space-between;align-items:center;border:1px solid transparent;cursor:pointer}.bg-layer-item.active{border-color:var(--primary-color);background:#4f46e50d}.bg-controls-group{background:#fff6;padding:15px;border-radius:12px;margin-bottom:15px}.bg-empty-state{color:#888;text-align:center;font-size:.9rem}.bg-preview-wrapper{display:flex;align-items:center;gap:10px}.bg-preview-swatch{width:20px;height:20px;border-radius:4px;border:1px solid rgba(0,0,0,.1)}.bg-select-input{width:100%;padding:8px;margin-bottom:15px;border-radius:6px;border:1px solid #ddd}.bg-stops-container{display:flex;gap:10px;margin-bottom:10px}.bg-stop-input{flex:1;height:36px}.control-header-margin{margin-top:15px}.site-footer{margin-top:var(--spacing-8);padding:var(--spacing-6) 0 var(--spacing-2);border-top:1px solid rgba(0,0,0,.08)}.footer-content{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:var(--spacing-4)}.footer-stats{display:flex;align-items:center}.visitor-count{display:flex;align-items:center;gap:var(--spacing-2);font-size:.9rem;color:var(--text-muted);background:#ffffff0d;padding:var(--spacing-2) var(--spacing-3);border-radius:var(--radius-md);border:1px solid rgba(255,255,255,.1)}.visitor-count svg{opacity:.7}.footer-author{font-size:.9rem;color:var(--text-muted)}.footer-author strong{color:var(--text-main);font-weight:600}.footer-social{display:flex;gap:var(--spacing-3)}.social-link{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--radius-md);background:#fff9;border:1px solid rgba(0,0,0,.08);color:var(--text-muted);transition:all .3s ease}.social-link:hover{background:#fff;color:var(--primary-color);transform:translateY(-2px);box-shadow:0 4px 12px #1f268726}.social-link:hover svg{fill:var(--primary-color)}@media(max-width:600px){.footer-content{flex-direction:column;text-align:center}}