.content-grid{display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));perspective:1000px}.content-card{background:linear-gradient(to bottom,#fff,#fafafa);border:1px solid rgba(0,0,0,.08);border-radius:24px;overflow:hidden;position:relative;transition:all .4s cubic-bezier(.175,.885,.32,1.1);box-shadow:0 10px 30px #0000000d,0 1px 8px #00000008;cursor:pointer;transform-style:preserve-3d;will-change:transform,box-shadow;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.content-card:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 50%,rgba(16,185,129,.03) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(59,130,246,.03) 0%,transparent 50%);pointer-events:none;z-index:0;border-radius:24px}.content-card.flex{display:flex;flex-direction:row;align-items:stretch;gap:1rem}.content-card.flex .card-header{flex:0 0 200px;padding:1.5rem;display:flex;flex-direction:column;justify-content:flex-start}.content-card.flex .card-body{flex:1;padding:1.5rem;min-width:0}.content-card.flex .card-meta{flex:0 0 180px;flex-direction:column;justify-content:center;padding:1.5rem;gap:.5rem}.content-card.flex .card-actions{flex:0 0 220px;flex-direction:column;justify-content:center;padding:1.5rem;gap:.75rem}.content-card.flex .action-buttons{flex-direction:column;width:100%;gap:.5rem}.content-card.flex .action-buttons .preview-btn,.content-card.flex .action-buttons .download-btn{width:100%;justify-content:center}.logo-cover{position:absolute;inset:0;background-size:180px 180px;background-position:center;background-repeat:no-repeat;opacity:.08;pointer-events:none;z-index:0;border-radius:20px}.content-card>*{position:relative;z-index:1}.content-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--primary-color, #10b981),var(--secondary-color, #059669));border-radius:20px 20px 0 0;transform:scaleX(0);transition:transform .3s ease}.content-card:hover:before{transform:scaleX(1)}.content-card:hover{transform:translateY(-8px) scale(1.02);box-shadow:0 25px 50px #10b98126,0 10px 30px #0000001a;border-color:#10b9814d;background:linear-gradient(to bottom,#fff,#f0fdf4)}.content-card:hover:after{background:radial-gradient(circle at 20% 50%,rgba(16,185,129,.08) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(59,130,246,.08) 0%,transparent 50%)}.content-card:active{transform:translateY(-4px) scale(1.01);transition:all .2s ease}.card-header{padding:1.5rem;padding-bottom:0;position:relative}.content-card .event-cover-image{border-radius:20px 20px 0 0;overflow:hidden;width:100%;position:relative;z-index:2}.content-card .event-cover-image .event-cover-img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover;display:block;position:absolute;inset:0;z-index:1}.content-card .event-cover-image .event-cover-overlay{position:absolute;inset:0;background:linear-gradient(to bottom,#00000080,#0006,#0009);z-index:2;pointer-events:none}.content-card .event-cover-image .event-cover-content{position:relative;z-index:3;padding:1rem 1.5rem;pointer-events:none}.content-card .event-cover-image .event-cover-content *{pointer-events:auto}.content-card:not(.flex) .event-cover-image{height:280px;min-height:280px}.content-card.flex .event-cover-image{height:240px;flex:0 0 240px;width:240px;flex-shrink:0;min-height:240px}.content-card .event-cover-image+.card-header{padding-top:0}.content-card:has(.event-cover-image) .logo-cover{display:none!important}.category-badge{display:inline-block;padding:.5rem 1.2rem;font-size:.75rem;font-weight:700;letter-spacing:.5px;border-radius:20px;background:linear-gradient(135deg,#10b981,#059669);color:#fff;text-transform:uppercase;box-shadow:0 4px 12px #10b9814d,0 2px 4px #0000001a;transition:all .3s ease;position:relative;overflow:hidden}.category-badge:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);transition:left .5s ease}.category-badge:hover:before{left:100%}.content-card:hover .category-badge{transform:translateY(-2px) scale(1.05);box-shadow:0 6px 16px #10b98166,0 2px 6px #00000026}.card-body{padding:1.5rem}.card-title{font-size:1.3rem;font-weight:800;line-height:1.4;margin-bottom:.75rem;background:linear-gradient(135deg,#1f2937,#374151);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;transition:all .3s ease;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;letter-spacing:-.02em}.content-card:hover .card-title{background:linear-gradient(135deg,#10b981,#059669);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;transform:translate(2px)}.card-description{color:#6b7280;font-size:.875rem;line-height:1.5;margin-bottom:1.25rem;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;min-height:4.125rem}.card-meta{display:flex;justify-content:space-between;align-items:center;padding:.75rem 1.5rem;background:#fff;border-top:1px solid rgba(229,231,235,.5);font-size:.875rem;color:#6b7280}.meta-item{display:flex;align-items:center;gap:.75rem;transition:all .3s ease;min-width:0;flex:1;padding:.5rem;border-radius:8px;background:#f9fafb80}.meta-item:hover{background:#10b98114;transform:translate(4px)}.meta-icon-wrapper{display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,#10b9811a,#0596691a);color:#10b981;flex-shrink:0;transition:all .3s ease}.meta-item:hover .meta-icon-wrapper{background:linear-gradient(135deg,#10b98133,#05966933);transform:scale(1.1) rotate(5deg)}.meta-item span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%;font-weight:500;color:#4b5563}.content-card:not(.flex) .card-meta{flex-direction:column;align-items:flex-start;gap:.5rem}.content-card:not(.flex) .meta-item{width:100%;justify-content:flex-start}.content-card:not(.flex) .meta-item span{white-space:normal;overflow:visible;text-overflow:unset;line-clamp:2;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.content-card:hover .meta-item{color:#374151}.card-actions{display:flex;justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;background:linear-gradient(to bottom,#f9fafb80,#fffc);border-top:2px solid rgba(229,231,235,.5);gap:1rem;position:relative}.card-actions:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,rgba(16,185,129,.3),transparent);opacity:0;transition:opacity .3s ease}.content-card:hover .card-actions:before{opacity:1}.content-card:not(.flex) .card-actions{flex-direction:column;align-items:stretch;gap:.75rem}.content-card:not(.flex) .card-actions .file-info{width:100%;justify-content:center;padding-bottom:.5rem;border-bottom:1px solid rgba(229,231,235,.5)}.content-card:not(.flex) .card-actions .action-buttons{width:100%;justify-content:center;flex-wrap:wrap}.file-info{font-size:.875rem;font-weight:600;color:#374151;display:flex;align-items:center;gap:.5rem;flex-shrink:0;padding:.5rem 1rem;border-radius:12px;background:#fffc;border:1px solid rgba(229,231,235,.5);transition:all .3s ease}.content-card:hover .file-info{background:#fff;border-color:#10b98133;box-shadow:0 2px 8px #10b9811a}.action-buttons{display:flex;gap:.5rem;flex-wrap:wrap;align-items:center;justify-content:flex-end;flex:1;min-width:0}.preview-btn{background:linear-gradient(135deg,#3b82f6,#1d4ed8);color:#fff;padding:.6rem .9rem;border-radius:12px;font-size:.75rem;font-weight:700;display:flex;align-items:center;gap:.4rem;transition:all .3s cubic-bezier(.4,0,.2,1);border:none;cursor:pointer;box-shadow:0 4px 12px #3b82f64d,0 2px 4px #0000001a;white-space:nowrap;flex-shrink:0;min-width:-moz-fit-content;min-width:fit-content;position:relative;overflow:hidden}.preview-btn:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#ffffff4d;transform:translate(-50%,-50%);transition:width .6s,height .6s}.preview-btn:hover:before{width:300px;height:300px}.preview-btn:hover{transform:translateY(-3px) scale(1.05);box-shadow:0 6px 20px #3b82f666,0 4px 8px #00000026;background:linear-gradient(135deg,#2563eb,#1e40af)}.download-btn{background:linear-gradient(135deg,#10b981,#059669);color:#fff;padding:.6rem .9rem;border-radius:12px;font-size:.75rem;font-weight:700;display:flex;align-items:center;gap:.4rem;transition:all .3s cubic-bezier(.4,0,.2,1);border:none;cursor:pointer;box-shadow:0 4px 12px #10b9814d,0 2px 4px #0000001a;white-space:nowrap;flex-shrink:0;min-width:-moz-fit-content;min-width:fit-content;position:relative;overflow:hidden}.download-btn:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#ffffff4d;transform:translate(-50%,-50%);transition:width .6s,height .6s}.download-btn:hover:before{width:300px;height:300px}.download-btn:hover{transform:translateY(-3px) scale(1.05);box-shadow:0 6px 20px #10b98166,0 4px 8px #00000026;background:linear-gradient(135deg,#059669,#047857)}.content-card:not(.flex) .preview-btn,.content-card:not(.flex) .download-btn{padding:.4rem .65rem;font-size:.7rem;gap:.3rem}.content-card:not(.flex) .preview-btn svg,.content-card:not(.flex) .download-btn svg{width:.875rem;height:.875rem}.favorite-btn{position:absolute;top:1.5rem;right:1.5rem;z-index:10;background:#ffffffe6;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:50%;padding:.5rem;border:1px solid rgba(229,231,235,.5);cursor:pointer;transition:all .3s ease;box-shadow:0 2px 10px #0000000d}.favorite-btn:hover{transform:scale(1.1);background:#fff;box-shadow:0 4px 15px #0000001a}.favorite-btn.favorited{background:#fee2e2e6;color:#ef4444;border-color:#fee2e2cc}.file-icon-container{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:8px;margin-right:.5rem;background:#10b9811a}@media(max-width:768px){.content-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1rem}.content-card{border-radius:16px}.card-header,.card-body,.card-meta,.card-actions{padding:1rem}}@media(max-width:480px){.content-grid{grid-template-columns:1fr}.action-buttons{flex-direction:column;gap:.5rem;width:100%}.preview-btn,.download-btn{width:100%;justify-content:center}.cancel-registration-btn{flex-shrink:0;min-width:-moz-fit-content!important;min-width:fit-content!important;white-space:nowrap!important;padding:.4rem .65rem!important;font-size:.7rem!important}}.empty-state{animation:fadeInUp .6s ease-out}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.content-card.loading{position:relative;overflow:hidden}.content-card.loading:after{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent);animation:shimmer 1.5s infinite}@keyframes shimmer{to{left:100%}}