*{margin:0;padding:0;box-sizing:border-box}body{color:#333;line-height:1.6;background:#fdf6f0;font-family:Lato,sans-serif}.rsvp-page{display:flex;align-items:center;justify-content:center;min-height:100vh;margin:0}.navbar{display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;background:#fffaf5;box-shadow:0 2px 8px #00000014;position:sticky;top:0;z-index:10}.nav-logo{font-weight:700;font-size:1.2rem;color:#800020}.nav-logo img{height:2rem;padding:0}.nav-links{list-style:none;display:flex;gap:1.5rem}.nav-links a{text-decoration:none;font-weight:500;color:#333;transition:color .2s ease}.nav-links a:hover{color:#800020}.nav-toggle{display:none;font-size:1.8rem;cursor:pointer}@media (max-width: 768px){.nav-links{position:absolute;top:60px;right:.1rem;background:#fffaf5;flex-direction:column;padding:1rem 2rem;display:none;width:100%}.nav-links li{border-bottom:1px solid rgba(0,0,0,.1)}.nav-links li a{display:block;padding:1rem;text-align:center}.nav-links.show{display:flex;animation:dropdown .3s ease}.nav-toggle{display:block}}#app{width:100%;padding:30px;border-radius:16px;text-align:center}.title{font-family:Playfair Display,serif;font-size:2rem;margin-bottom:.5rem;color:#800020}.subtitle{font-size:1rem;color:#666;margin-bottom:1.5rem}.form-group{display:flex;flex-direction:column;gap:12px;align-items:center;width:100%}input{width:100%;max-width:350px;padding:12px 14px;border:1px solid #ddd;border-radius:8px;font-size:1rem;font-family:Lato,sans-serif;transition:border .2s ease}input:focus{outline:none;border-color:#800020;box-shadow:0 0 0 2px #b28d6c33}.form-group button{width:100%;max-width:350px;padding:12px;background:#800020;color:#fff;font-weight:500;border:none;border-radius:8px;cursor:pointer;font-family:Lato,sans-serif;transition:background .3s ease}.form-group button:hover{background:#a83248}#result{margin-top:20px;font-size:1.1rem;font-weight:500;color:#444}.confirmation-actions{display:flex;justify-content:center;gap:12px;margin-top:20px}.confirmation-button{flex:1;max-width:160px;height:48px;border:none;border-radius:8px;font-family:Lato,sans-serif;font-size:.95rem;font-weight:500;cursor:pointer;transition:background .3s ease;display:flex;align-items:center;justify-content:center}#updateConfirmBtn{background:#800020;color:#fff}#updateConfirmBtn:hover{background:#449d48}#updateDeclineBtn{background:#800020;color:#fff}#updateDeclineBtn:hover{background:#c62828}#confirmBtn{background:#800020;color:#fff}#confirmBtn:hover{background:#449d48}#declineBtn{background:#800020;color:#fff}#declineBtn:hover{background:#a02020}.footer{background:#800020;color:#fdf6f0;text-align:center;padding:1.5rem;position:sticky;bottom:0;z-index:10}.footer a{font-family:Playfair Display,cursive}.wedding{font-family:Great Vibes,cursive;font-size:3rem}