:root{color-scheme:light;font-family:Segoe UI,system-ui,-apple-system,sans-serif;line-height:1.5}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100vh}.love-app{min-height:100vh;background:linear-gradient(135deg,#fff0f5,#fce4ec 30%,#f3e5f5 70%,#e8eaf6);padding:1.5rem;display:flex;flex-direction:column;align-items:center;gap:1.5rem}.app-title{margin:0;font-size:2rem;font-weight:700;color:#c2185b;text-align:center;letter-spacing:-.02em}.title-heart{display:inline-block;animation:heartbeat 1.2s ease-in-out infinite;margin:0 .25rem}@keyframes heartbeat{0%,to{transform:scale(1)}15%{transform:scale(1.25)}30%{transform:scale(1)}45%{transform:scale(1.15)}}.partners-row{display:flex;align-items:stretch;gap:1rem;width:100%;max-width:600px}.partner-panel{flex:1;background:#ffffffd9;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:1rem;padding:1.25rem;border:2px solid;display:flex;flex-direction:column;align-items:center;gap:.75rem;box-shadow:0 4px 20px #00000014}.partner-header{display:flex;flex-direction:column;align-items:center;gap:.25rem}.partner-emoji{font-size:2.5rem}.partner-name{font-size:1.15rem;font-weight:600;color:#333;cursor:pointer;padding:.1rem .5rem;border-radius:.3rem;transition:background .2s}.partner-name:hover{background:#0000000f}.edit-name-form{display:flex}.edit-name-input{font-size:1.1rem;font-weight:600;text-align:center;border:2px solid #e91e63;border-radius:.3rem;padding:.15rem .5rem;outline:none;width:140px}.send-btn{border:none;color:#fff;font-size:.95rem;font-weight:600;padding:.6rem 1.2rem;border-radius:2rem;cursor:pointer;transition:transform .15s,box-shadow .15s;box-shadow:0 3px 12px #00000026}.send-btn:hover{transform:translateY(-2px);box-shadow:0 5px 18px #0003}.send-btn:active{transform:translateY(0)}.love-divider{display:flex;align-items:center;justify-content:center;width:2rem}.divider-heart{font-size:1.5rem;animation:heartbeat 1.2s ease-in-out infinite}.history-section{width:100%;max-width:600px;background:#ffffffb3;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:1rem;padding:1.25rem;box-shadow:0 4px 20px #0000000f}.history-title{margin:0 0 .75rem;font-size:1.15rem;color:#ad1457;text-align:center}.empty-msg{text-align:center;color:#999;font-size:.95rem;margin:1rem 0}.msg-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.5rem;max-height:300px;overflow-y:auto}.msg-item{display:flex;align-items:center;gap:.5rem;padding:.5rem .75rem;border-radius:.6rem;font-size:.9rem;animation:slideIn .3s ease-out}@keyframes slideIn{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.msg-partner1{background:#e74c8b1a;border-left:3px solid #e74c8b}.msg-partner2{background:#8b5cf61a;border-left:3px solid #8b5cf6}.msg-sender{font-weight:600;color:#555;min-width:80px}.msg-text{flex:1;color:#333}.msg-time{font-size:.75rem;color:#aaa}.notification-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;display:grid;place-items:center;pointer-events:none;animation:fadeIn .3s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.sparkle-container{position:relative;width:340px;height:200px}.sparkle{position:absolute;font-size:1.4rem;animation:sparklePop ease-in-out forwards;opacity:0;pointer-events:none}@keyframes sparklePop{0%{opacity:0;transform:scale(0) rotate(0)}30%{opacity:1;transform:scale(1.3) rotate(120deg)}60%{opacity:1;transform:scale(.9) rotate(240deg)}to{opacity:0;transform:scale(.4) rotate(360deg)}}.notification-card{position:absolute;top:20px;right:20px;bottom:20px;left:20px;background:linear-gradient(135deg,#ffe0ec,#fff0f5,#ffe0ec);border:3px solid #e91e63;border-radius:1.25rem;display:grid;place-items:center;box-shadow:0 0 20px #e91e634d,0 0 60px #e91e6326,inset 0 0 30px #ffffff80;animation:notifPop .4s cubic-bezier(.34,1.56,.64,1);overflow:hidden}@keyframes notifPop{0%{transform:scale(.3);opacity:0}to{transform:scale(1);opacity:1}}.notif-hearts-bg{position:absolute;top:0;right:0;bottom:0;left:0;overflow:hidden;opacity:.15}.bg-heart{position:absolute;bottom:-20px;font-size:1.8rem;color:#e91e63;animation:floatUp 2.5s ease-in infinite}@keyframes floatUp{0%{transform:translateY(0) scale(1);opacity:.6}to{transform:translateY(-180px) scale(.5);opacity:0}}.notif-content{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:.3rem;padding:1rem}.notif-from{font-size:.85rem;font-weight:600;color:#ad1457;text-transform:uppercase;letter-spacing:.1em}.notif-phrase{font-size:1.4rem;font-weight:700;color:#c2185b;text-align:center;text-shadow:0 1px 2px rgba(0,0,0,.05)}.notif-heart-icon{font-size:2rem;animation:heartbeat .8s ease-in-out infinite}@media(max-width:500px){.partners-row{flex-direction:column}.love-divider{width:auto;height:1rem}.app-title{font-size:1.5rem}}