:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;line-height:1.5;font-weight:400}body{margin:0;min-width:320px;min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2)}a{text-decoration:none}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh}.container{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px}.invite-card{background:#fff;border-radius:24px;padding:32px 24px;text-align:center;max-width:420px;width:100%;box-shadow:0 20px 60px #0003;animation:slideUp .5s ease-out}.team-photo-container{margin:-60px auto 20px;position:relative}.team-photo{width:100px;height:100px;border-radius:50%;object-fit:cover;border:4px solid white;box-shadow:0 8px 24px #00000026}.team-photo-placeholder{width:100px;height:100px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;align-items:center;justify-content:center;border:4px solid white;box-shadow:0 8px 24px #00000026}.team-photo-placeholder span{font-size:40px;font-weight:700;color:#fff}.invite-title{font-size:28px;font-weight:800;color:#333;margin-bottom:8px}.team-name{font-size:22px;font-weight:700;color:#667eea;margin-bottom:8px}.team-motto{font-size:15px;color:#888;font-style:italic;margin-bottom:20px}.inviter-section{margin-bottom:24px}.invited-by{font-size:13px;color:#999;margin-bottom:8px;text-transform:uppercase;letter-spacing:1px}.inviter-info{display:flex;align-items:center;justify-content:center;gap:10px}.inviter-photo{width:36px;height:36px;border-radius:50%;object-fit:cover}.inviter-photo-placeholder{width:36px;height:36px;border-radius:50%;background:#e0e0e0;display:flex;align-items:center;justify-content:center;font-weight:600;color:#888}.inviter-name{font-size:16px;font-weight:600;color:#333}.stats-row{display:flex;align-items:center;justify-content:center;gap:24px;padding:20px 0;border-top:1px solid #f0f0f0;border-bottom:1px solid #f0f0f0;margin-bottom:24px}.stat-item{display:flex;flex-direction:column;align-items:center}.stat-value{font-size:24px;font-weight:700;color:#333}.stat-label{font-size:12px;color:#999;text-transform:uppercase;letter-spacing:.5px}.stat-divider{width:1px;height:40px;background:#e0e0e0}.join-button{width:100%;padding:16px;font-size:18px;font-weight:700;color:#fff;background:linear-gradient(135deg,#ff6b9d,#ff8e53);border:none;border-radius:14px;cursor:pointer;transition:transform .2s,box-shadow .2s;box-shadow:0 8px 24px #ff6b9d4d}.join-button:hover{transform:translateY(-2px);box-shadow:0 12px 28px #ff6b9d66}.join-button:active{transform:translateY(0)}.download-button{display:inline-block;padding:14px 32px;font-size:16px;font-weight:600;color:#fff;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:12px;text-decoration:none;transition:transform .2s}.code-section{margin-top:20px;padding-top:20px;border-top:1px solid #f0f0f0}.invite-code{font-size:28px;font-weight:800;letter-spacing:4px;color:#667eea;font-family:SF Mono,Monaco,Inconsolata,monospace}.download-section{margin-top:24px;padding-top:20px;border-top:1px solid #f0f0f0}@media(max-width:480px){.invite-card{padding:24px 20px;margin-top:40px}.team-photo-container{margin-top:-50px}.team-photo,.team-photo-placeholder{width:80px;height:80px}.team-photo-placeholder span{font-size:32px}.invite-title{font-size:24px}.team-name{font-size:20px}.stats-row{gap:16px}.stat-value{font-size:20px}.invite-code{font-size:24px;letter-spacing:3px}}.challenge-container{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px;background:linear-gradient(135deg,#8b5cf6,#6366f1,#4f46e5)}.challenge-invite-card{background:#fff;border-radius:24px;overflow:hidden;text-align:center;max-width:420px;width:100%;box-shadow:0 20px 60px #00000040;animation:slideUp .5s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.challenge-banner{position:relative;height:180px;background:linear-gradient(135deg,#8b5cf6,#6366f1);overflow:hidden}.challenge-image{width:100%;height:100%;object-fit:cover;opacity:.9}.challenge-image-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center}.challenge-icon{font-size:64px}.challenge-banner-overlay{position:absolute;bottom:0;left:0;right:0;padding:20px;background:linear-gradient(transparent,#0009);display:flex;flex-direction:column;align-items:center}.pvp-badge{background:linear-gradient(135deg,#ff6b9d,#ff8e53);color:#fff;font-size:22px;font-weight:800;padding:8px 24px;border-radius:20px;box-shadow:0 4px 12px #ff6b9d66}.pvp-subtitle{color:#ffffffe6;font-size:14px;margin-top:6px;font-weight:500}.challenger-section{padding:24px 24px 16px;border-bottom:1px solid #f0f0f0}.challenged-by{font-size:12px;color:#999;text-transform:uppercase;letter-spacing:1px;margin-bottom:12px}.challenger-info{display:flex;align-items:center;justify-content:center;gap:14px}.challenger-photo{width:50px;height:50px;border-radius:50%;object-fit:cover;border:3px solid #8B5CF6}.challenger-photo-placeholder{width:50px;height:50px;border-radius:50%;background:linear-gradient(135deg,#8b5cf6,#6366f1);display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;color:#fff;border:3px solid white;box-shadow:0 4px 12px #8b5cf64d}.challenger-details{display:flex;flex-direction:column;align-items:flex-start}.challenger-name{font-size:18px;font-weight:700;color:#333}.challenger-action{font-size:14px;color:#666}.challenge-details-section{padding:20px 24px}.challenge-name{font-size:22px;font-weight:700;color:#333;margin-bottom:8px}.challenge-description{font-size:14px;color:#666;line-height:1.5}.challenge-stats-row{display:flex;align-items:stretch;justify-content:center;padding:16px 24px;background:#f8f9fa;gap:0}.challenge-stat-item{flex:1;display:flex;flex-direction:column;align-items:center;padding:8px}.stat-icon{font-size:24px;margin-bottom:4px}.challenge-stat-item .stat-value{font-size:16px;font-weight:700;color:#333}.challenge-stat-item .stat-label{font-size:11px;color:#999;text-transform:uppercase;letter-spacing:.5px}.stat-divider{width:1px;background:#e0e0e0;align-self:stretch;margin:0 4px}.how-it-works{padding:16px 24px;text-align:left;border-top:1px solid #f0f0f0}.how-it-works h3{font-size:13px;font-weight:600;color:#8b5cf6;margin-bottom:8px;text-transform:uppercase;letter-spacing:.5px}.how-it-works p{font-size:13px;color:#666;line-height:1.6}.accept-button{width:calc(100% - 48px);margin:20px 24px;padding:18px;font-size:18px;font-weight:700;color:#fff;background:linear-gradient(135deg,#8b5cf6,#6366f1);border:none;border-radius:14px;cursor:pointer;transition:transform .2s,box-shadow .2s;box-shadow:0 8px 24px #8b5cf659}.accept-button:hover{transform:translateY(-2px);box-shadow:0 12px 28px #8b5cf673}.accept-button:active{transform:translateY(0)}.code-section{padding:16px 24px;border-top:1px solid #f0f0f0}.code-label{font-size:13px;color:#999;margin-bottom:8px}.invite-code{font-size:28px;font-weight:800;letter-spacing:4px;color:#8b5cf6;font-family:SF Mono,Monaco,Inconsolata,monospace}.download-section{padding:20px 24px 24px;border-top:1px solid #f0f0f0}.download-label{font-size:13px;color:#999;margin-bottom:16px}.loading-container{text-align:center;color:#fff}.spinner{width:50px;height:50px;border:4px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 20px}@keyframes spin{to{transform:rotate(360deg)}}.error-card{background:#fff;border-radius:24px;padding:40px;text-align:center;max-width:400px;width:100%;box-shadow:0 20px 60px #0003}.error-icon{width:60px;height:60px;background:#ff6b6b;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:32px;font-weight:700;color:#fff}.error-card h2{font-size:24px;color:#333;margin-bottom:10px}.error-card p{color:#666;margin-bottom:24px}.download-button{display:inline-block;padding:14px 32px;font-size:16px;font-weight:600;color:#fff;background:linear-gradient(135deg,#8b5cf6,#6366f1);border-radius:12px;text-decoration:none;transition:transform .2s}.download-button:hover{transform:translateY(-2px)}.footer{margin-top:24px;text-align:center}.footer a{color:#fffc;text-decoration:none;font-size:14px}.footer a:hover{color:#fff}@media(max-width:480px){.challenge-banner{height:150px}.pvp-badge{font-size:18px;padding:6px 18px}.challenge-name{font-size:20px}.challenge-stats-row{padding:12px 16px}.challenge-stat-item .stat-value{font-size:14px}.accept-button{width:calc(100% - 32px);margin:16px;padding:16px;font-size:16px}.invite-code{font-size:24px;letter-spacing:3px}}.home-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:linear-gradient(135deg,#667eea,#764ba2)}.home-card{background:#fff;border-radius:24px;padding:48px 32px;text-align:center;max-width:420px;width:100%;box-shadow:0 20px 60px #0003}.logo-container{margin-bottom:24px}.logo{width:80px;height:80px;border-radius:20px}.home-card h1{font-size:32px;font-weight:800;color:#333;margin-bottom:8px}.tagline{font-size:18px;color:#666;margin-bottom:32px}.cta-section{padding:24px 0;border-top:1px solid #f0f0f0;border-bottom:1px solid #f0f0f0}.cta-section p{color:#888;margin-bottom:20px}.store-buttons{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.store-button img{height:44px;width:auto;transition:transform .2s}.store-button:hover img{transform:scale(1.05)}.main-site-link{display:inline-block;margin-top:24px;color:#667eea;text-decoration:none;font-weight:600}.main-site-link:hover{text-decoration:underline}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh}