*{box-sizing:border-box;margin:0;padding:0}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-color:#f5f5f5;min-height:100vh}.app-container{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px}.spinner{width:48px;height:48px;border:4px solid #e0e0e0;border-top-color:#00b900;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 16px}@keyframes spin{to{transform:rotate(360deg)}}.status-card{background:#fff;border-radius:16px;padding:32px 24px;text-align:center;box-shadow:0 2px 12px #00000014;max-width:320px;width:100%;display:flex;flex-direction:column;align-items:center;justify-content:center}.status-message{color:#333;font-size:16px;line-height:1.5}.add-friend-card{background:#fff;border-radius:16px;padding:32px 24px;text-align:center;box-shadow:0 2px 12px #00000014;max-width:320px;width:100%}.add-friend-card h2{color:#333;font-size:20px;font-weight:600;margin-bottom:12px}.add-friend-card p{color:#666;font-size:14px;line-height:1.6;margin-bottom:24px}.add-friend-icon{width:80px;height:80px;margin:0 auto 20px;background:linear-gradient(135deg,#00b900,#00c300);border-radius:50%;display:flex;align-items:center;justify-content:center}.add-friend-icon svg{width:40px;height:40px;fill:#fff}.btn{display:block;width:100%;padding:14px 24px;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s ease;text-decoration:none;text-align:center}.btn-primary{background:linear-gradient(135deg,#00b900,#00c300);color:#fff;margin-bottom:12px}.btn-primary:hover{background:linear-gradient(135deg,#00a000,#00b300);transform:translateY(-1px)}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:transparent;color:#666;border:1px solid #e0e0e0}.btn-secondary:hover{background:#f5f5f5}.error-card{background:#fff;border-radius:16px;padding:32px 24px;text-align:center;box-shadow:0 2px 12px #00000014;max-width:320px;width:100%}.error-icon{width:64px;height:64px;margin:0 auto 16px;background:#ffebee;border-radius:50%;display:flex;align-items:center;justify-content:center}.error-icon svg{width:32px;height:32px;fill:#f44336}.error-card h2{color:#333;font-size:18px;font-weight:600;margin-bottom:8px}.error-card p{color:#666;font-size:14px;line-height:1.5;margin-bottom:24px}.line-logo{width:120px;margin-bottom:24px}.footer{margin-top:32px;color:#999;font-size:12px}.footer a{color:#00b900;text-decoration:none}