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.rkk-demo-navigation-item-icon:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.6),transparent);transform:translate(-100%);animation:shimmer 1.5s infinite}.rkk-demo-navigation-loading .rkk-demo-navigation-item-label,.rkk-demo-navigation-loading .rkk-demo-navigation-item-description{position:relative;overflow:hidden;background:var(--gray-200);border-radius:var(--radius-base);color:transparent}.rkk-demo-navigation-loading .rkk-demo-navigation-item-label:after,.rkk-demo-navigation-loading .rkk-demo-navigation-item-description:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.6),transparent);transform:translate(-100%);animation:shimmer 1.5s infinite}.rkk-demo-navigation-loading .rkk-demo-navigation-item-label{height:16px;margin-bottom:var(--space-2)}.rkk-demo-navigation-loading 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white;box-shadow:var(--shadow-sm)}.rkk-demo-navigation-badge.new{display:inline-flex;align-items:center;padding:var(--space-1) var(--space-2-5);border-radius:var(--radius-full);font-size:.75rem;font-weight:500;letter-spacing:.025em;position:relative;background-color:#10b9811a;color:var(--accent-emerald);border:1px solid rgba(16,185,129,.2);animation:pulse 2s infinite}.rkk-demo-navigation-badge.updated{display:inline-flex;align-items:center;padding:var(--space-1) var(--space-2-5);border-radius:var(--radius-full);font-size:.75rem;font-weight:500;letter-spacing:.025em;position:relative;background-color:#f59e0b1a;color:var(--accent-amber);border:1px solid rgba(245,158,11,.2)}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.8;transform:scale(1.05)}}.rkk-demo-language-switcher{position:relative}.rkk-demo-language-switcher-trigger{display:flex;align-items:center;justify-content:flex-start;gap:var(--space-2);padding:var(--space-2) var(--space-3);font-size:var(--text-sm);font-weight:500;color:var(--gray-600);background:#ffffffe6;border:1px solid var(--gray-200);border-radius:var(--radius-lg);transition:all var(--transition-base);cursor:pointer;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.rkk-demo-language-switcher-trigger:hover{color:var(--primary-600);background:#fff;border-color:var(--primary-200);box-shadow:var(--shadow-sm)}.rkk-demo-language-switcher-trigger:focus-visible{outline:2px solid var(--primary-500);outline-offset:2px}.rkk-demo-language-switcher-current{display:flex;align-items:center;justify-content:flex-start;gap:var(--space-1-5);font-size:var(--text-sm)}@media (max-width: 639px){.rkk-demo-language-switcher-current{display:none}}.rkk-demo-language-switcher-chevron{transition:transform var(--transition-base)}.rkk-demo-language-switcher-chevron.open{transform:rotate(180deg)}.rkk-demo-language-switcher-overlay{position:fixed;top:0;left:0;right:0;bottom:0;z-index:var(--z-overlay)}.rkk-demo-language-switcher-dropdown{position:absolute;top:calc(100% + var(--space-2));right:0;min-width:200px;background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);z-index:var(--z-dropdown);overflow:hidden;animation:dropdown-appear .15s ease-out}@media (max-width: 639px){.rkk-demo-language-switcher-dropdown{right:auto;left:0;min-width:160px}}.rkk-demo-language-switcher-option{display:flex;align-items:center;justify-content:flex-start;gap:var(--space-3);width:100%;padding:var(--space-3) var(--space-4);font-size:var(--text-sm);font-weight:500;color:var(--gray-700);background:transparent;border:none;text-align:left;cursor:pointer;transition:all var(--transition-base)}.rkk-demo-language-switcher-option:hover{background:var(--primary-50);color:var(--primary-700)}.rkk-demo-language-switcher-option.active{background:var(--primary-100);color:var(--primary-800);font-weight:600}.rkk-demo-language-switcher-option.active:after{content:"✓";margin-left:auto;color:var(--primary-600);font-weight:700}.rkk-demo-language-switcher-option:not(:last-child){border-bottom:1px solid var(--gray-100)}.rkk-demo-language-switcher-flag{font-size:1.125rem;flex-shrink:0}.rkk-demo-language-switcher-name{flex:1}@keyframes dropdown-appear{0%{opacity:0;transform:translateY(-8px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}[dir=rtl] .rkk-demo-language-switcher-dropdown{right:auto;left:0}@media (max-width: 639px){[dir=rtl] .rkk-demo-language-switcher-dropdown{left:auto;right:0}}[dir=rtl] .rkk-demo-language-switcher-option{text-align:right}[dir=rtl] 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p{font-size:.875rem}}.rkk-demo-page-content{overflow:hidden;padding:var(--space-3);position:relative;z-index:1;height:calc(100vh - 155px)}@media (max-width: 767px){.rkk-demo-page-content{padding:var(--space-4)}}@media (max-width: 639px){.rkk-demo-page-content{padding:var(--space-3)}}.demo-task-card{background:#fffffff2;border-radius:var(--radius-xl);border:1px solid rgba(255,255,255,.8);box-shadow:var(--shadow-sm);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);overflow:hidden;min-height:var(--card-min-height);-webkit-border-radius:var(--radius-xl);-moz-border-radius:var(--radius-xl);-ms-border-radius:var(--radius-xl);-o-border-radius:var(--radius-xl);padding:var(--space-3);background:#fff;border:1px solid var(--gray-200);transition:all var(--transition-base);cursor:pointer;position:relative;min-height:80px;display:flex;flex-direction:column}.demo-task-card:hover{box-shadow:var(--shadow-md);border-color:var(--primary-200)}.demo-task-card-header{display:flex;align-items:center;justify-content:space-between;align-items:flex-start;margin-bottom:var(--space-3);gap:var(--space-2)}.demo-task-card-title{font-size:var(--text-sm);font-weight:600;color:var(--gray-900);line-height:var(--leading-snug);margin:0;flex:1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.5}.demo-task-card-footer{display:flex;justify-content:flex-start;align-items:center;gap:var(--space-2);margin-top:auto;padding-top:var(--space-2)}.demo-task-card-assignee{display:flex;align-items:center;justify-content:flex-start;gap:var(--space-1-5);font-size:var(--text-xs);color:var(--gray-600);font-weight:500}.demo-task-card-assignee svg{color:var(--gray-400)}.demo-task-card-assignee span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100px}.demo-list-footer{display:flex;justify-content:space-between;align-items:center;gap:var(--space-2);padding-top:var(--space-2);font-size:var(--text-sm);font-weight:600;color:var(--gray-600);line-height:var(--leading-snug);margin:0;flex:1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.5;cursor:pointer}.trello-example-new-card{background:#fff;border-radius:8px;box-shadow:var(--ds-shadow-raised, 0px 1px 1px rgba(9, 30, 66, .2509803922), 0px 0px 1px rgba(9, 30, 66, .3098039216));padding:8px 12px;margin-bottom:8px}.trello-example-new-card input[type=text]{width:100%;min-height:40px;padding:8px 12px;border:2px solid #0c66e4;border-radius:5px;font-size:14px;font-weight:400;color:#172b4d;background:#fff;outline:none;resize:none;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Droid Sans,Helvetica Neue,sans-serif;-webkit-border-radius:5px;-moz-border-radius:5px;-ms-border-radius:5px;-o-border-radius:5px}.trello-example-new-card input[type=text]::placeholder{color:#626f86}.trello-example-new-card-buttons{display:flex;align-items:center;gap:8px;margin-top:8px}.trello-example-new-card-buttons button{border:none;border-radius:3px;cursor:pointer;font-size:14px;font-weight:500;line-height:20px;padding:6px 12px;transition:all .2s ease;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Droid Sans,Helvetica Neue,sans-serif}.trello-example-new-card-buttons button:first-child{background:#0c66e4;color:#fff}.trello-example-new-card-buttons button:first-child:hover{background:#05c}.trello-example-new-card-buttons button:first-child:active{background:#09326c}.trello-example-new-card-buttons button:last-child{background:transparent;color:#44546f;padding:6px 8px}.trello-example-new-card-buttons button:last-child:hover{background:#091e4224}.trello-example-new-card-buttons button:last-child:active{background:#091e424f}.demo-priority-badge{display:inline-flex;align-items:center;padding:var(--space-1) var(--space-2-5);border-radius:var(--radius-full);font-size:.75rem;font-weight:500;letter-spacing:.025em;position:relative;font-size:.625rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;border:1px solid transparent}.demo-priority-badge.priority-high{background:#ef44441a;color:var(--accent-danger);border-color:#ef444433}.demo-priority-badge.priority-medium{background:#f59e0b1a;color:var(--accent-warning);border-color:#f59e0b33}.demo-priority-badge.priority-low{background:#10b9811a;color:var(--accent-success);border-color:#10b98133}.rkk-demo-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;text-align:center;padding:var(--space-16);position:relative}.rkk-demo-placeholder>*{position:relative;z-index:1}.rkk-demo-placeholder-icon{font-size:4rem;margin-bottom:var(--space-6);background:var(--gradient-primary);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;opacity:.8}.rkk-demo-placeholder h3{margin-bottom:var(--space-4);color:var(--gray-900);font-size:1.5rem;font-weight:700;background:var(--gradient-primary);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-size:200% 200%;animation:gradient-shift 3s ease infinite}.rkk-demo-placeholder p{color:var(--gray-600);margin-bottom:var(--space-6);max-width:500px;font-size:1rem;line-height:var(--leading-relaxed)}.rkk-demo-placeholder ul{text-align:left;color:var(--gray-700);margin-bottom:var(--space-6);max-width:500px}.rkk-demo-placeholder ul li{padding:var(--space-2) 0;position:relative;padding-left:var(--space-6);font-size:.9375rem;line-height:var(--leading-relaxed)}.rkk-demo-placeholder ul li:before{content:"✓";position:absolute;left:0;color:var(--primary-600);font-weight:600;top:var(--space-2)}.rkk-demo-placeholder-note{background:#fffffff2;border-radius:var(--radius-xl);border:1px solid rgba(255,255,255,.8);box-shadow:var(--shadow-sm);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);position:relative;overflow:hidden;min-height:var(--card-min-height);-webkit-border-radius:var(--radius-xl);-moz-border-radius:var(--radius-xl);-ms-border-radius:var(--radius-xl);-o-border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);border:none;padding:var(--space-4);background:linear-gradient(135deg,var(--primary-50),rgba(59,130,246,.08));border:1px solid var(--primary-200);color:var(--primary-700);font-size:.875rem;font-weight:500;max-width:500px;line-height:var(--leading-relaxed);box-shadow:var(--shadow-md)}.rkk-demo-placeholder-note:before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--primary-200),transparent)}.rkk-demo-placeholder-note:before{content:"💡";font-size:1.125rem;margin-right:var(--space-2)}.rkk-demo-feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:var(--space-4);margin-top:var(--space-6)}@media (max-width: 767px){.rkk-demo-feature-grid{grid-template-columns:1fr;gap:var(--space-3)}}.rkk-demo-feature-card{border-radius:var(--radius-xl);border:1px solid rgba(255,255,255,.8);box-shadow:var(--shadow-sm);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);position:relative;overflow:hidden;min-height:var(--card-min-height);-webkit-border-radius:var(--radius-xl);-moz-border-radius:var(--radius-xl);-ms-border-radius:var(--radius-xl);-o-border-radius:var(--radius-xl);transition:all var(--transition-base);cursor:pointer;padding:var(--space-4);text-align:center;background:#fffffff2;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.rkk-demo-feature-card:hover{box-shadow:var(--shadow-3xl);transform:translateY(-8px) rotateX(5deg);border-color:#3b82f64d}.rkk-demo-feature-card:hover:before{opacity:1;transform:translate(100%)}.rkk-demo-feature-card:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent);opacity:0;transition:all var(--transition-slow);transform:translate(-100%)}.rkk-demo-feature-card-icon{width:48px;height:48px;border-radius:var(--radius-xl);background:var(--gradient-primary);display:flex;align-items:center;justify-content:center;margin:0 auto var(--space-3);font-size:1.25rem;box-shadow:var(--shadow-primary)}.rkk-demo-feature-card-title{font-size:1rem;font-weight:600;color:var(--gray-900);margin-bottom:var(--space-2)}.rkk-demo-feature-card-description{font-size:.8125rem;color:var(--gray-600);line-height:var(--leading-relaxed)}.rkk-demo-loading-spinner{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border:2px solid var(--gray-200);border-top:2px solid var(--primary-500);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto var(--space-3)}.rkk-demo-loading-text{color:var(--gray-500);font-size:.8125rem;text-align:center}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}