:root{--foot-left-color: #4CAF50;--foot-left-light: #81C784;--foot-left-dark: #2E7D32;--foot-right-color: #2196F3;--foot-right-light: #64B5F6;--foot-right-dark: #1565C0}*{box-sizing:border-box}body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:linear-gradient(135deg,#1a1d29,#2c3e50);color:#fff;min-height:100vh}.app{min-height:100vh;padding:20px}.error-boundary{display:flex;align-items:center;justify-content:center;min-height:50vh;padding:2rem}.error-boundary-content{background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:12px;padding:2rem;text-align:center;max-width:500px;border:1px solid rgba(255,255,255,.2)}.error-boundary-content h2{color:#ff6b6b;margin-bottom:1rem;font-size:1.5rem}.error-boundary-content p{margin-bottom:1.5rem;color:#ccc;line-height:1.6}.error-boundary-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.error-boundary-actions .btn-primary,.error-boundary-actions .btn-secondary{padding:.75rem 1.5rem;border:none;border-radius:6px;cursor:pointer;font-weight:500;transition:all .2s ease}.error-boundary-actions .btn-primary{background:#4caf50;color:#fff}.error-boundary-actions .btn-primary:hover{background:#45a049}.error-boundary-actions .btn-secondary{background:transparent;color:#ccc;border:1px solid rgba(255,255,255,.3)}.error-boundary-actions .btn-secondary:hover{background:#ffffff1a}.error-details{margin-top:1.5rem;text-align:left}.error-details summary{cursor:pointer;color:#ff6b6b;margin-bottom:.5rem}.error-details pre{background:#0000004d;padding:1rem;border-radius:4px;font-size:.85rem;overflow-x:auto;margin:.5rem 0}.error-message{background:#ff6b6b1a;border:1px solid rgba(255,107,107,.3);border-radius:6px;padding:1rem;margin:1rem 0;color:#ff6b6b}.error-message p{margin:0 0 .5rem}.error-message button{background:transparent;border:1px solid rgba(255,107,107,.5);color:#ff6b6b;padding:.5rem 1rem;border-radius:4px;cursor:pointer;font-size:.9rem}.error-message button:hover{background:#ff6b6b1a}.dance-floor-main{position:relative;background:#ffffff05;border:1px solid rgba(255,255,255,.1);border-radius:12px;margin-bottom:16px;min-height:600px;width:100%}.dance-floor-container{position:absolute;top:0;left:0;right:0;bottom:0;border-radius:12px;overflow:hidden;display:flex;align-items:center;justify-content:center}.dance-floor-container .dance-floor{width:100%;height:100%;border-radius:8px;background-image:linear-gradient(rgba(255,255,255,.1) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.1) 1px,transparent 1px);background-size:40px 40px}.overlay-card{position:absolute;background:#283246f2;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);border-radius:6px;box-shadow:0 4px 12px #0000004d;padding:8px 12px;color:#fff;font-size:.8rem;z-index:10;max-width:160px;min-width:120px}.overlay-card.top-left{top:16px;left:16px}.overlay-card.top-right{top:16px;right:16px}.overlay-card.bottom-left{bottom:16px;left:16px}.overlay-header{font-weight:600;margin-bottom:6px;color:#ffffffe6;border-bottom:1px solid rgba(255,255,255,.2);padding-bottom:3px;font-size:.75rem;text-transform:uppercase;letter-spacing:.5px}.overlay-card.top-left .dance-name{text-align:center;padding:0 0 8px;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:8px}.overlay-card.top-left .dance-name .dance-type{display:inline-block;background:#4fc3f733;color:#4fc3f7;padding:2px 8px;border-radius:4px;font-size:.65rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;border:1px solid rgba(79,195,247,.3);margin-bottom:4px}.overlay-card.top-left .dance-name .pattern-name{margin:0;font-size:.8rem;font-weight:600;color:#fff;text-transform:capitalize;letter-spacing:.5px;line-height:1.2}.app-header{margin-bottom:40px}.header-content{display:flex;flex-direction:column;align-items:center;max-width:1200px;margin:0 auto;padding:0 20px;gap:20px}.app-title{font-size:2.5rem;font-weight:300;margin:0;color:#fff;letter-spacing:2px;text-align:center}.header-actions{display:flex;gap:16px;flex-wrap:wrap;justify-content:center}.header-action-btn{background:#ffffff14;border:1px solid rgba(255,255,255,.2);color:#fff;padding:10px 16px;border-radius:6px;font-size:13px;font-weight:500;cursor:pointer;transition:all .2s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);white-space:nowrap}.header-action-btn:hover{background:#ffffff1f;border-color:#ffffff4d;transform:translateY(-1px)}.header-action-btn:active{transform:translateY(0);background:#4fc3f733;border-color:#4fc3f7}@media (max-width: 768px){.app-title{font-size:2rem;letter-spacing:1px}.header-actions{gap:12px}.header-action-btn{padding:8px 12px;font-size:12px}}.dance-tabs{display:flex;justify-content:center;gap:4px}.tab-btn{background:#ffffff1a;border:1px solid rgba(255,255,255,.2);color:#fffc;padding:12px 24px;border-radius:12px;font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.tab-btn:hover{background:#ffffff26;color:#ffffffe6;transform:translateY(-1px)}.tab-btn.active{background:linear-gradient(45deg,#4fc3f7,#29b6f6);border-color:#29b6f6;color:#fff;box-shadow:0 4px 12px #4fc3f74d}.home-filters{max-width:800px;margin:0 auto 40px;display:flex;flex-direction:row;gap:24px;align-items:center;justify-content:center}.home-filters .dance-tiles{display:flex;gap:12px;flex-wrap:wrap}.home-filters .dance-tile{background:var(--form-bg-primary);border:1px solid var(--form-border-primary);color:var(--form-text-secondary);padding:10px 20px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:var(--form-transition);text-transform:capitalize;white-space:nowrap}.home-filters .dance-tile:hover{background:var(--form-bg-hover);border-color:var(--form-border-hover);color:var(--form-text-primary);transform:translateY(-1px)}.home-filters .dance-tile.selected{background:var(--form-bg-active);border-color:var(--form-border-active);color:var(--form-accent);box-shadow:0 0 0 1px var(--form-accent-glow)}.home-filters input[type=text]{background:var(--form-bg-primary);border:1px solid var(--form-border-primary);color:var(--form-text-primary);padding:12px 16px;border-radius:var(--form-radius);font-size:var(--form-font-size-large);font-family:inherit;transition:var(--form-transition);width:300px;min-width:250px}.home-filters input[type=text]:focus{outline:none;border-color:var(--form-border-focus);box-shadow:0 0 0 1px var(--form-accent-glow);background:var(--form-bg-secondary)}.home-filters input[type=text]::placeholder{color:var(--form-text-muted)}.search-section{max-width:600px;margin:0 auto 50px;display:flex;flex-direction:column;gap:20px;align-items:center}.search-input{background:#ffffff0d;border:1px solid rgba(255,255,255,.15);color:#fff;padding:16px 20px;border-radius:8px;font-size:15px;font-family:inherit;transition:all .2s ease;width:100%;max-width:400px;text-align:center}.search-input:focus{outline:none;border-color:#4fc3f799;background:#ffffff14;text-align:left}.search-input::placeholder{color:#fff9;text-align:center}.search-input:focus::placeholder{text-align:left}.filters-row{display:flex;gap:32px;align-items:center;justify-content:center;flex-wrap:wrap}.filter-group-dance,.filter-group-source{display:flex;background:#ffffff0a;border-radius:20px;padding:2px;gap:0;box-shadow:0 2px 8px #0000001a;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.dance-filter,.source-filter{background:transparent;border:none;color:#ffffffb3;padding:8px 14px;font-size:12px;font-weight:500;cursor:pointer;transition:all .25s cubic-bezier(.4,0,.2,1);white-space:nowrap;margin:0;position:relative;overflow:hidden;border-radius:0}.filter-group-dance .dance-filter:first-child,.filter-group-source .source-filter:first-child{border-radius:18px 0 0 18px}.filter-group-dance .dance-filter:last-child,.filter-group-source .source-filter:last-child{border-radius:0 18px 18px 0}.filter-group-dance .dance-filter:only-child,.filter-group-source .source-filter:only-child{border-radius:18px}.dance-filter:before,.source-filter:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:#ffffff14;opacity:0;transition:opacity .25s ease}.dance-filter:hover:before,.source-filter:hover:before{opacity:1}.dance-filter:hover,.source-filter:hover{color:#fffffff2}.dance-filter.selected,.source-filter.selected{background:linear-gradient(135deg,#4fc3f740,#4fc3f726);color:#4fc3f7;box-shadow:inset 0 1px #ffffff1a}.dance-filter.selected:before,.source-filter.selected:before{opacity:0}@media (max-width: 768px){.filters-row{flex-direction:column;gap:20px;align-items:center}.filter-group-dance,.filter-group-source{flex-wrap:wrap;justify-content:center;max-width:100%;border-radius:16px}.search-section{margin-bottom:40px;padding:0 16px}.search-input{font-size:14px;padding:14px 16px}.dance-filter,.source-filter{font-size:11px;padding:6px 12px}.filter-group-dance .dance-filter:first-child,.filter-group-source .source-filter:first-child{border-radius:14px 0 0 14px}.filter-group-dance .dance-filter:last-child,.filter-group-source .source-filter:last-child{border-radius:0 14px 14px 0}.filter-group-dance .dance-filter:only-child,.filter-group-source .source-filter:only-child{border-radius:14px}}@media (max-width: 480px){.filters-row{gap:16px}.filter-group-dance,.filter-group-source{padding:2px;border-radius:14px}.dance-filter,.source-filter{font-size:10px;padding:5px 10px}.filter-group-dance .dance-filter:first-child,.filter-group-source .source-filter:first-child{border-radius:12px 0 0 12px}.filter-group-dance .dance-filter:last-child,.filter-group-source .source-filter:last-child{border-radius:0 12px 12px 0}.filter-group-dance .dance-filter:only-child,.filter-group-source .source-filter:only-child{border-radius:12px}}.dance-content{max-width:1200px;margin:0 auto}.tab-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding:0 20px}.tab-header h2{font-size:1.8rem;font-weight:400;margin:0;color:#fff}.pattern-count{background:#ffffff1a;padding:6px 12px;border-radius:20px;font-size:.9rem;color:#fffc}.pattern-group{margin-bottom:60px}.dance-rows{display:flex;flex-direction:column;gap:32px}.dance-floor-skeleton{width:100%;height:500px;background:linear-gradient(135deg,#2d2d2d,#1a1a1a);border-radius:12px;border:1px solid rgba(255,255,255,.1);position:relative;overflow:hidden}.skeleton-overlay{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;flex-direction:column;padding:20px}.skeleton-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:auto}.skeleton-title{width:200px;height:24px;background:#ffffff1a;border-radius:4px;position:relative;overflow:hidden}.skeleton-controls{width:120px;height:20px;background:#ffffff1a;border-radius:4px;position:relative;overflow:hidden}.skeleton-loading-text{position:absolute;bottom:50%;left:50%;transform:translate(-50%,50%);color:#fff9;font-size:1.1rem;font-weight:500}.skeleton-title:before,.skeleton-controls:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.1),transparent);animation:skeleton-shimmer 2s infinite}@keyframes skeleton-shimmer{0%{left:-100%}to{left:100%}}.pattern-info{display:flex;align-items:center;gap:12px;margin-bottom:16px;padding:12px 20px;background:#ffffff05;border:1px solid rgba(255,255,255,.08);border-radius:8px;flex-wrap:wrap}.pattern-title{margin:0;color:#fff;font-size:1.2rem;font-weight:600;flex:1;min-width:200px}.pattern-dance-badge{background:#4fc3f733;color:#4fc3f7;padding:4px 12px;border-radius:6px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;border:1px solid rgba(79,195,247,.3);white-space:nowrap}.pattern-tags{display:flex;flex-wrap:wrap;gap:6px}.pattern-tag{background:#ffffff14;color:#fffc;padding:3px 8px;border-radius:4px;font-size:11px;font-weight:500;border:1px solid rgba(255,255,255,.1);text-transform:lowercase}.pattern-source-badge{padding:3px 8px;border-radius:4px;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.3px;white-space:nowrap;border:1px solid transparent}.pattern-source-badge.user{background:#4caf5026;color:#4caf50;border-color:#4caf504d}.pattern-source-badge.standard{background:#9c27b026;color:#9c27b0;border-color:#9c27b04d}.no-patterns{text-align:center;padding:60px 20px;color:#fff9;background:#ffffff05;border:1px solid rgba(255,255,255,.08);border-radius:12px;margin:20px}.no-patterns p{margin:0 0 8px;font-size:16px}.no-patterns p:last-child{margin:0;font-size:14px;color:#fff6}@media (max-width: 768px){.pattern-info{flex-direction:column;align-items:flex-start;gap:8px;padding:16px}.pattern-title{font-size:1.1rem;min-width:auto}.pattern-tags{width:100%}.tab-header{flex-direction:column;align-items:flex-start;gap:8px;padding:0 16px}}:root{--form-bg-primary: rgba(255, 255, 255, .05);--form-bg-secondary: rgba(255, 255, 255, .08);--form-bg-hover: rgba(255, 255, 255, .1);--form-bg-active: rgba(79, 195, 247, .2);--form-border-primary: rgba(255, 255, 255, .2);--form-border-hover: rgba(255, 255, 255, .3);--form-border-focus: #4fc3f7;--form-border-active: #4fc3f7;--form-text-primary: #ffffff;--form-text-secondary: rgba(255, 255, 255, .9);--form-text-muted: rgba(255, 255, 255, .7);--form-text-disabled: rgba(255, 255, 255, .4);--form-accent: #4fc3f7;--form-accent-glow: rgba(79, 195, 247, .3);--form-radius: 4px;--form-radius-large: 6px;--form-transition: all .2s ease;--form-font-size: 13px;--form-font-size-small: 11px;--form-font-size-large: 14px;--form-font-weight: 500;--form-font-weight-bold: 600}.form-section{margin-bottom:16px;padding:0;background:none;border:none}.form-section h3,.form-section h4{color:var(--form-text-secondary);font-size:12px;font-weight:var(--form-font-weight-bold);margin:0 0 8px;text-transform:uppercase;letter-spacing:.8px}.form-section.minimal{margin-bottom:12px}.form-section.minimal h4{font-size:11px;margin-bottom:6px}.form-row{display:flex;gap:16px;margin-bottom:16px}.form-group{flex:1;margin-bottom:12px}.form-group.compact{margin-bottom:8px}.form-group label,label{display:block;margin-bottom:6px;font-weight:var(--form-font-weight);color:var(--form-text-secondary);font-size:var(--form-font-size);text-transform:uppercase;letter-spacing:.5px}.form-group input[type=text],.form-group input[type=number],.form-group input[type=email],.form-group input[type=password],.form-group textarea,input[type=text],input[type=number],input[type=email],input[type=password],textarea{width:100%;padding:8px 12px;border:1px solid var(--form-border-primary);border-radius:var(--form-radius);background:var(--form-bg-primary);color:var(--form-text-primary);font-size:var(--form-font-size);font-family:inherit;font-weight:var(--form-font-weight);transition:var(--form-transition)}.form-group input:focus,.form-group textarea:focus,input:focus,textarea:focus{outline:none;border-color:var(--form-border-focus);box-shadow:0 0 0 2px var(--form-accent-glow);background:var(--form-bg-secondary)}.form-group input:hover:not(:disabled),.form-group 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16px;border-radius:var(--form-radius);font-size:var(--form-font-size);font-weight:var(--form-font-weight);cursor:pointer;transition:var(--form-transition);text-transform:uppercase;letter-spacing:.3px;outline:none}.btn-danger:hover:not(:disabled){background:#f443364d;transform:translateY(-1px)}.btn-danger:active:not(:disabled){transform:translateY(0)}input[type=radio]{-moz-appearance:none;appearance:none;-webkit-appearance:none;width:14px;height:14px;border:2px solid 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12px;cursor:pointer;transition:var(--form-transition);flex:1;min-width:fit-content;color:var(--form-text-primary);font-size:var(--form-font-size);font-weight:var(--form-font-weight)}.foot-btn:hover,.rotation-btn:hover,.size-btn:hover,.radio-option:hover{background:var(--form-bg-hover);border-color:var(--form-border-hover)}.foot-btn.active,.rotation-btn.active,.size-btn.active,.radio-option.active{background:var(--form-bg-active);border-color:var(--form-accent);color:var(--form-accent)}.foot-btn input[type=radio],.rotation-btn input[type=radio],.size-btn input[type=radio]{display:none}.size-btn{flex-direction:column;align-items:flex-start;gap:4px;min-width:140px}.size-label{color:currentColor;font-weight:var(--form-font-weight-bold);font-size:var(--form-font-size);text-transform:uppercase;letter-spacing:.3px}.size-description{color:var(--form-text-muted);font-size:var(--form-font-size-small);line-height:1.2}.foot-buttons{display:grid;grid-template-columns:1fr 1fr;gap:8px}.custom-rotation{margin-top:12px;margin-left:16px}.custom-rotation input{max-width:120px}.checkbox-option input[type=checkbox]{-moz-appearance:none;appearance:none;-webkit-appearance:none;width:14px;height:14px;border:2px solid rgba(255,255,255,.4);border-radius:3px;background:transparent;margin:0;position:relative;cursor:pointer;transition:all .2s}.checkbox-option input[type=checkbox]:checked{border-color:#4fc3f7;background:#4fc3f7}.checkbox-option input[type=checkbox]:checked:after{content:"✓";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#fff;font-size:10px;font-weight:700;line-height:1}.checkbox-option input[type=checkbox]:hover{border-color:#4fc3f7}input[type=checkbox]{-moz-appearance:none;appearance:none;-webkit-appearance:none;width:14px;height:14px;border:2px solid 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