.card{position:relative;background:#fff;border-radius:1rem;border:1px solid #e2e8f0;transition:all .3s cubic-bezier(.4,0,.2,1);overflow:hidden}.dark .card{background:#1e293b;border-color:#334155}.card-sm{border-radius:.75rem;padding:1rem}.card-md{border-radius:1rem;padding:1.25rem}.card-lg{border-radius:1.25rem;padding:1.5rem}.card-xl{border-radius:1.5rem;padding:2rem}.card-flat{box-shadow:none;border:1px solid #e2e8f0}.dark .card-flat{border-color:#334155}.card-elevated{box-shadow:0 1px 3px #0000001a,0 1px 2px -1px #0000001a}.dark .card-elevated{box-shadow:0 1px 3px #0000004d,0 1px 2px -1px #0000004d}.card-floating{box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -2px #0000001a}.dark .card-floating{box-shadow:0 4px 6px -1px #0006,0 2px 4px -2px #0000004d}.card-lifted{box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -4px #0000001a}.dark .card-lifted{box-shadow:0 10px 15px -3px #00000080,0 4px 6px -4px #0006}.card-hover-lift:hover{transform:translateY(-4px);box-shadow:0 20px 25px -5px #0000001a,0 8px 10px -6px #0000001a}.dark .card-hover-lift:hover{box-shadow:0 20px 25px -5px #0009,0 8px 10px -6px #00000080}.card-hover-glow:hover{box-shadow:0 0 0 1px #8b5cf64d,0 10px 15px -3px #8b5cf633}.dark .card-hover-glow:hover{box-shadow:0 0 0 1px #a78bfa80,0 10px 15px -3px #a78bfa4d}.card-hover-scale:hover{transform:scale(1.02)}.card-hover-border:hover{border-color:#a78bfa}.dark .card-hover-border:hover{border-color:#8b5cf6}.card-interactive{cursor:pointer;-webkit-user-select:none;user-select:none}.card-interactive:active{transform:scale(.98)}.card-gradient{background:linear-gradient(135deg,#fff,#f8fafc);border:1px solid rgba(226,232,240,.8)}.dark .card-gradient{background:linear-gradient(135deg,#1e293b,#0f172a);border:1px solid rgba(51,65,85,.8)}.card-glass{background:#ffffffb3;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.3)}.dark .card-glass{background:#1e293bb3;border:1px solid rgba(51,65,85,.5)}.card-premium{background:linear-gradient(135deg,#f8fafc,#e0e7ff);border:1px solid #c7d2fe}.dark .card-premium{background:linear-gradient(135deg,#1e1b4b,#312e81);border:1px solid #4c1d95}.card-primary{background:linear-gradient(135deg,#ede9fe,#ddd6fe);border:1px solid #c4b5fd}.dark .card-primary{background:linear-gradient(135deg,#2e1065,#4c1d95);border:1px solid #6d28d9}.card-success{background:linear-gradient(135deg,#dcfce7,#bbf7d0);border:1px solid #86efac}.dark .card-success{background:linear-gradient(135deg,#14532d,#166534);border:1px solid #15803d}.card-warning{background:linear-gradient(135deg,#fef3c7,#fde68a);border:1px solid #fcd34d}.dark .card-warning{background:linear-gradient(135deg,#713f12,#854d0e);border:1px solid #a16207}.card-danger{background:linear-gradient(135deg,#fee2e2,#fecaca);border:1px solid #fca5a5}.dark .card-danger{background:linear-gradient(135deg,#7f1d1d,#991b1b);border:1px solid #b91c1c}.card-info{background:linear-gradient(135deg,#dbeafe,#bfdbfe);border:1px solid #93c5fd}.dark .card-info{background:linear-gradient(135deg,#1e3a8a,#1e40af);border:1px solid #2563eb}.card-header{padding:1.25rem 1.5rem;border-bottom:1px solid #e2e8f0;background:linear-gradient(180deg,rgba(248,250,252,.5) 0%,transparent 100%)}.dark .card-header{border-bottom-color:#334155;background:linear-gradient(180deg,rgba(15,23,42,.5) 0%,transparent 100%)}.card-header-compact{padding:1rem 1.25rem}.card-header-large{padding:1.5rem 2rem}.card-body{padding:1.5rem}.card-body-compact{padding:1rem}.card-body-spacious{padding:2rem}.card-footer{padding:1.25rem 1.5rem;border-top:1px solid #e2e8f0;background:linear-gradient(0deg,rgba(248,250,252,.5) 0%,transparent 100%)}.dark .card-footer{border-top-color:#334155;background:linear-gradient(0deg,rgba(15,23,42,.5) 0%,transparent 100%)}.card-shimmer:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s}.card-shimmer:hover:before{left:100%}.dark .card-shimmer:before{background:linear-gradient(90deg,transparent,rgba(255,255,255,.1),transparent)}.card-badge-top-right{position:absolute;top:1rem;right:1rem;z-index:10}.card-badge-top-left{position:absolute;top:1rem;left:1rem;z-index:10}.card-badge-center{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:10}.card-grid{display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}.card-grid-compact{gap:1rem;grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}.card-grid-spacious{gap:2rem;grid-template-columns:repeat(auto-fill,minmax(320px,1fr))}.card-loading{position:relative;pointer-events:none;opacity:.6}.card-loading:after{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(90deg,transparent 0%,rgba(255,255,255,.2) 50%,transparent 100%);animation:loading-shimmer 1.5s infinite}.dark .card-loading:after{background:linear-gradient(90deg,transparent 0%,rgba(255,255,255,.05) 50%,transparent 100%)}@keyframes loading-shimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}.card-divider{height:1px;background:linear-gradient(90deg,transparent 0%,#e2e8f0 10%,#e2e8f0 90%,transparent 100%);margin:1.25rem 0}.dark .card-divider{background:linear-gradient(90deg,transparent 0%,#334155 10%,#334155 90%,transparent 100%)}.video-card{display:flex;flex-direction:column;height:100%}.video-card-thumbnail{position:relative;width:100%;padding-bottom:56.25%;overflow:hidden;border-radius:.75rem .75rem 0 0}.video-card-content{flex:1;display:flex;flex-direction:column;padding:1.25rem}.stats-card{position:relative;overflow:hidden}.stats-card:before{content:"";position:absolute;top:0;right:0;width:120px;height:120px;background:radial-gradient(circle,rgba(139,92,246,.15) 0%,transparent 70%);transform:translate(30%,-30%);pointer-events:none}.dark .stats-card:before{background:radial-gradient(circle,rgba(167,139,250,.1) 0%,transparent 70%)}.feature-card{text-align:center;padding:2rem}.feature-card-icon{width:3.5rem;height:3.5rem;margin:0 auto 1.25rem;display:flex;align-items:center;justify-content:center;border-radius:1rem;background:linear-gradient(135deg,#8b5cf6,#6366f1);box-shadow:0 8px 16px -4px #8b5cf666}.dark .feature-card-icon{box-shadow:0 8px 16px -4px #8b5cf699}.pricing-card{position:relative;display:flex;flex-direction:column;height:100%;transition:all .3s ease}.pricing-card-popular{transform:scale(1.05);box-shadow:0 20px 25px -5px #8b5cf633,0 8px 10px -6px #8b5cf633;border-color:#8b5cf6}.dark .pricing-card-popular{box-shadow:0 20px 25px -5px #a78bfa4d,0 8px 10px -6px #a78bfa4d;border-color:#a78bfa}.notification-card{display:flex;align-items:flex-start;gap:1rem;padding:1rem;border-left:4px solid #8b5cf6}.notification-card-success{border-left-color:#10b981;background:linear-gradient(90deg,rgba(16,185,129,.05) 0%,transparent 100%)}.notification-card-warning{border-left-color:#f59e0b;background:linear-gradient(90deg,rgba(245,158,11,.05) 0%,transparent 100%)}.notification-card-danger{border-left-color:#ef4444;background:linear-gradient(90deg,rgba(239,68,68,.05) 0%,transparent 100%)}.notification-card-info{border-left-color:#3b82f6;background:linear-gradient(90deg,rgba(59,130,246,.05) 0%,transparent 100%)}.compact-card{padding:.75rem 1rem;border-radius:.75rem;font-size:.875rem}@media(max-width:640px){.card-sm,.card-md,.card-lg,.card-xl{padding:1rem;border-radius:.75rem}.card-header,.card-footer,.card-body{padding:1rem}.card-grid,.card-grid-compact,.card-grid-spacious{grid-template-columns:1fr;gap:1rem}.pricing-card-popular{transform:none}}@media(min-width:641px)and (max-width:1024px){.card-grid,.card-grid-spacious{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.card-animate-in{animation:fadeInUp .4s ease-out forwards}.card-interactive:focus-visible{outline:2px solid #8b5cf6;outline-offset:2px}.dark .card-interactive:focus-visible{outline-color:#a78bfa}@media print{.card{border:1px solid #000;box-shadow:none;page-break-inside:avoid}.card-hover-lift,.card-hover-glow,.card-hover-scale,.card-interactive{transform:none!important}}