*{margin:0;padding:0;box-sizing:border-box}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}#root{min-height:100vh}.unsubscribe-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:linear-gradient(135deg,#e3f2fd,#bbdefb,#90caf9)}.unsubscribe-card{background:#fff;border-radius:16px;padding:40px;max-width:500px;width:100%;box-shadow:0 20px 60px #0000004d}.unsubscribe-card h1{color:#2c3e50;font-size:28px;margin-bottom:12px;text-align:center}.subtitle{color:#7f8c8d;text-align:center;margin-bottom:32px;font-size:14px}.form-group{margin-bottom:24px}.form-group label{display:block;margin-bottom:8px;color:#2c3e50;font-weight:500;font-size:14px}.form-group input{width:100%;padding:12px 16px;border:2px solid #e0e0e0;border-radius:8px;font-size:16px;transition:all .3s ease;box-sizing:border-box}.form-group input:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.form-group input:disabled{background-color:#f5f5f5;cursor:not-allowed}.captcha-container{margin-bottom:24px;display:flex;justify-content:center}.error-message{background-color:#fee;border:1px solid #fcc;color:#c33;padding:12px 16px;border-radius:8px;margin-bottom:20px;display:flex;align-items:center;gap:8px;font-size:14px}.button-group{display:flex;gap:12px;flex-direction:column}.btn{padding:14px 24px;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;justify-content:center;gap:8px}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 20px #667eea66}.btn-secondary{background:transparent;color:#7f8c8d;border:2px solid #e0e0e0}.btn-secondary:hover:not(:disabled){background:#f8f9fa;border-color:#bdc3c7}.spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}.success-message{text-align:center;background:#fff;border-radius:16px;padding:60px 40px;max-width:500px;box-shadow:0 20px 60px #0000004d}.success-icon{width:80px;height:80px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:48px;margin:0 auto 24px}.success-message h2{color:#2c3e50;font-size:24px;margin-bottom:12px}.success-message p{color:#7f8c8d;font-size:16px}@media(max-width:600px){.unsubscribe-card{padding:30px 20px}.unsubscribe-card h1{font-size:24px}.button-group{flex-direction:column}}.error-container,.loading-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:linear-gradient(135deg,#667eea,#764ba2)}.error-card{background:#fff;border-radius:16px;padding:40px;max-width:500px;width:100%;text-align:center;box-shadow:0 20px 60px #0000004d}.error-card h1{color:#e74c3c;font-size:32px;margin-bottom:16px}.error-card p{color:#7f8c8d;font-size:16px}.spinner-large{width:60px;height:60px;border:4px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}