*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #667eea;--primary-dark: #5568d3;--primary-light: #764ba2;--secondary: #f0f2f5;--text: #1a1a1a;--text-light: #666;--text-lighter: #999;--border: #e1e8ed;--bg: #ffffff;--bg-secondary: #f8f9fa;--success: #10b981;--danger: #ef4444;--warning: #f59e0b;--info: #3b82f6;--shadow: 0 1px 3px rgba(0, 0, 0, .1);--shadow-md: 0 4px 6px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 25px rgba(0, 0, 0, .1);--radius: 12px;--radius-sm: 8px;--transition: all .3s cubic-bezier(.4, 0, .2, 1)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#fafbfc;color:var(--text);line-height:1.6;min-height:100vh}#root{min-height:100vh;display:flex;flex-direction:column}.loading{text-align:center;padding:4rem 2rem;color:var(--text-light);font-size:1.1rem}.app-header{background:linear-gradient(135deg,#fff,#f8f9ff);padding:1rem 2rem;box-shadow:0 4px 20px #00000014;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:100;border-bottom:2px solid var(--border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.app-header h1{color:var(--text);font-size:1.5rem;font-weight:700;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.user-info{display:flex;align-items:center;gap:1rem;flex-wrap:wrap}.user-info span{color:var(--text-light);font-size:.9rem}.logout-btn{padding:.5rem 1rem;background:var(--danger);color:#fff;border:none;border-radius:var(--radius-sm);cursor:pointer;font-weight:500;font-size:.9rem;transition:var(--transition)}.logout-btn:hover{background:#dc2626;transform:translateY(-1px);box-shadow:var(--shadow-md)}.main-nav{background:linear-gradient(135deg,#fff,#fafbfc);padding:.75rem 2rem;box-shadow:0 2px 10px #0000000d;display:flex;gap:.5rem;flex-wrap:wrap;border-bottom:2px solid var(--border);position:sticky;top:73px;z-index:99;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.nav-btn{padding:.625rem 1.25rem;background:transparent;border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;font-weight:500;font-size:.9rem;color:var(--text);transition:var(--transition);text-decoration:none;display:inline-flex;align-items:center;justify-content:center}.nav-btn:hover{background:var(--bg-secondary);border-color:var(--primary);color:var(--primary);transform:translateY(-2px);box-shadow:0 4px 12px #667eea33;transition:all .3s cubic-bezier(.4,0,.2,1)}.nav-btn.active{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);color:#fff;border-color:transparent;box-shadow:var(--shadow-md)}.nav-btn.btn-primary{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);color:#fff;border-color:transparent}.nav-btn.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.app-content{max-width:1400px;width:100%;margin:0 auto;padding:2rem;flex:1}.content-box{background:var(--bg);border-radius:var(--radius);padding:2rem;box-shadow:var(--shadow);margin-bottom:2rem;border:1px solid var(--border)}.content-box h2{margin-bottom:1.5rem;color:var(--text);font-size:1.75rem;font-weight:700}.empty-state{text-align:center;padding:4rem 2rem;color:var(--text-lighter);font-size:1.1rem}.hero-section{margin-bottom:2rem}.purchases-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.5rem}.purchase-card{background:var(--bg);border-radius:var(--radius);padding:1.75rem;box-shadow:var(--shadow);border:1px solid var(--border);transition:var(--transition);cursor:pointer;display:flex;flex-direction:column}.purchase-card:hover{transform:translateY(-8px) scale(1.02);box-shadow:0 20px 40px #667eea33;border-color:var(--primary);background:linear-gradient(135deg,#fff,#f8f9ff)}.purchase-card h3{color:var(--text);margin-bottom:.75rem;font-size:1.25rem;font-weight:600;line-height:1.4}.purchase-card .organizer{color:var(--text-light);font-size:.875rem;margin-bottom:1rem}.purchase-card .progress-bar{width:100%;height:12px;background:var(--bg-secondary);border-radius:12px;overflow:hidden;margin:1rem 0;box-shadow:inset 0 2px 4px #0000001a;position:relative}.purchase-card .progress-fill{height:100%;background:linear-gradient(90deg,var(--primary) 0%,var(--primary-light) 100%);background-size:200% 100%;animation:gradient 3s ease infinite;transition:width .8s cubic-bezier(.4,0,.2,1);border-radius:12px;position:relative;box-shadow:0 2px 8px #667eea66}.purchase-card .progress-fill:after{content:"";position:absolute;top:0;left:0;bottom:0;right:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);animation:shimmer 2s infinite}.purchase-card .amount-info{display:flex;justify-content:space-between;margin:.75rem 0;font-weight:600;font-size:.95rem;color:var(--text)}.purchase-card .status-badge{display:inline-block;padding:.375rem .875rem;border-radius:20px;font-size:.8125rem;font-weight:600;margin-top:1rem;align-self:flex-start}.status-badge.active{background:#d1fae5;color:#065f46}.status-badge.completed{background:#dbeafe;color:#1e40af}.status-badge.cancelled{background:#fee2e2;color:#991b1b}.status-badge.draft{background:#f3f4f6;color:#374151}.status-badge.under_moderation{background:#fef3c7;color:#92400e}.status-badge.admin_approval{background:linear-gradient(135deg,#ddd6fe,#c4b5fd);color:#5b21b6;animation:pulse 2s infinite}.status-badge.suspended{background:#fee2e2;color:#991b1b}.status-badge.admin{background:#ddd6fe;color:#5b21b6}.status-badge.organizer{background:#dbeafe;color:#1e40af}.status-badge.participant{background:#d1fae5;color:#065f46}.auth-container{display:flex;justify-content:center;align-items:center;min-height:calc(100vh - 146px);padding:2rem;background:var(--bg-secondary)}.auth-box{background:var(--bg);border-radius:var(--radius);padding:2.5rem;box-shadow:var(--shadow-lg);width:100%;max-width:450px;border:1px solid var(--border)}.auth-box h1{margin-bottom:1.5rem;color:var(--text);text-align:center;font-size:2rem;font-weight:700}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;color:var(--text);font-weight:500;font-size:.9rem}.form-group input,.form-group select,.form-group textarea{width:100%;padding:.875rem 1rem;border:2px solid var(--border);border-radius:var(--radius-sm);font-size:1rem;transition:var(--transition);background:var(--bg);color:var(--text);font-family:inherit}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #667eea1a}.error-message{background:#fee2e2;color:#991b1b;padding:.875rem 1rem;border-radius:var(--radius-sm);margin-bottom:1rem;border:1px solid #fecaca;font-size:.9rem}.submit-button{width:100%;padding:.875rem 1.5rem;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);color:#fff;border:none;border-radius:var(--radius-sm);font-size:1rem;font-weight:600;cursor:pointer;transition:var(--transition)}.submit-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-lg)}.submit-button:disabled{opacity:.6;cursor:not-allowed}.switch-mode{margin-top:1.5rem;text-align:center;color:var(--text-light);font-size:.9rem}.link-button{background:none;border:none;color:var(--primary);cursor:pointer;text-decoration:underline;font-size:inherit;font-weight:600;transition:var(--transition)}.link-button:hover{color:var(--primary-light)}.form-section{background:var(--bg);border-radius:var(--radius);padding:2rem;box-shadow:var(--shadow);border:1px solid var(--border)}.form-actions{display:flex;gap:1rem;margin-top:1.5rem;flex-wrap:wrap}.btn{padding:.875rem 1.5rem;border:none;border-radius:var(--radius-sm);cursor:pointer;font-weight:600;font-size:.95rem;transition:var(--transition);display:inline-flex;align-items:center;justify-content:center;text-decoration:none}.btn-primary{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);color:#fff}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-secondary{background:var(--bg-secondary);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--border);border-color:var(--primary);color:var(--primary)}.btn-success{background:var(--success);color:#fff}.btn-success:hover{background:#059669;transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#dc2626;transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none!important}.dashboard-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.5rem;margin-bottom:2rem}.stat-card{background:var(--bg);border-radius:var(--radius);padding:1.75rem;box-shadow:var(--shadow);text-align:center;border:1px solid var(--border);transition:var(--transition)}.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.stat-card .stat-value{font-size:2.25rem;font-weight:700;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:.5rem}.stat-card .stat-label{color:var(--text-light);font-size:.9rem;font-weight:500}.benefits-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem}@media (max-width: 1024px){.app-content{padding:1.5rem}.purchases-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.25rem}}@media (max-width: 768px){.app-header{flex-direction:column;gap:1rem;padding:1rem;position:relative}.app-header h1{font-size:1.25rem}.main-nav{position:relative;top:0;padding:.75rem 1rem;overflow-x:auto;-webkit-overflow-scrolling:touch}.main-nav::-webkit-scrollbar{display:none}.nav-btn{padding:.5rem 1rem;font-size:.85rem;white-space:nowrap}.app-content{padding:1rem}.content-box{padding:1.5rem}.purchases-grid,.dashboard-stats,.benefits-grid{grid-template-columns:1fr}.user-info{width:100%;justify-content:center;text-align:center}.auth-box{padding:2rem 1.5rem}}@media (max-width: 480px){.app-content{padding:.75rem}.content-box{padding:1.25rem;border-radius:var(--radius-sm)}.purchase-card{padding:1.25rem}.form-actions{flex-direction:column}.btn{width:100%}}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-lighter)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes shimmer{0%{background-position:-1000px 0}to{background-position:1000px 0}}@keyframes gradient{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}.content-box,.purchase-card{animation:fadeIn .4s ease-out}.purchase-card{position:relative;overflow:hidden}.purchase-card: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}.purchase-card:hover:before{left:100%}.purchase-card:nth-child(2n){animation-delay:.1s}.purchase-card:nth-child(3n){animation-delay:.2s}*:focus-visible{outline:2px solid var(--primary);outline-offset:2px}@media print{.app-header,.main-nav{display:none}.app-content{max-width:100%;padding:0}}.image-gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1rem;margin-top:1rem}.image-gallery-item{position:relative;border-radius:var(--radius-sm);overflow:hidden;cursor:pointer;transition:var(--transition)}.image-gallery-item:hover{transform:scale(1.02);box-shadow:var(--shadow-md)}.image-gallery-item img{width:100%;height:200px;object-fit:cover;display:block}.image-preview-modal{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000e6;display:flex;align-items:center;justify-content:center;z-index:10000;padding:2rem}.image-preview-modal img{max-width:90%;max-height:90%;object-fit:contain}.image-preview-close{position:absolute;top:2rem;right:2rem;background:#fff;border:none;border-radius:50%;width:40px;height:40px;font-size:1.5rem;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--text)}