@import"https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800;900&display=swap";*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;font-family:Nunito,sans-serif}body{min-height:100vh;background:linear-gradient(160deg,#ffe0f0,#fff0f8,#e8f0ff);display:flex;align-items:center;justify-content:center;padding:16px}#app{width:100%;max-width:480px;background:#fffc;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-radius:28px;padding:36px 32px 40px;box-shadow:0 4px 32px #ff64a02e,0 1px 4px #0000000f;display:flex;flex-direction:column;align-items:center;gap:20px}header{text-align:center}h1{font-size:2.2rem;font-weight:900;color:#d0005a;letter-spacing:-.5px;line-height:1.1}.subtitle{margin-top:6px;font-size:1rem;font-weight:600;color:#b0607a}.input-row{width:100%;display:flex;align-items:flex-end;gap:10px}.input-group{flex:1;display:flex;flex-direction:column;gap:6px}label{font-size:.85rem;font-weight:700;color:#c0507a;text-transform:uppercase;letter-spacing:.04em;padding-left:4px}input[type=text]{width:100%;padding:12px 14px;border:2.5px solid #F5C0D8;border-radius:14px;background:#fff7fb;font-family:inherit;font-size:1rem;font-weight:700;color:#7a2040;outline:none;transition:border-color .2s,box-shadow .2s}input[type=text]::placeholder{color:#dba0be;font-weight:600}input[type=text]:focus{border-color:#ff80b0;box-shadow:0 0 0 3px #ff64a02e}.plus-sign{font-size:1.4rem;color:#e88fb0;padding-bottom:10px;flex-shrink:0;-webkit-user-select:none;user-select:none}.error-msg{width:100%;font-size:.9rem;font-weight:700;color:#d0005a;background:#ff64961a;border-radius:10px;padding:8px 14px;text-align:center;display:none;margin-top:-8px}.error-msg.visible{display:block}button#test-btn{padding:14px 36px;background:linear-gradient(135deg,#ff80b0,#f36);border:none;border-radius:50px;font-family:inherit;font-size:1.1rem;font-weight:800;color:#fff;cursor:pointer;box-shadow:0 4px 16px #ff3c6e59,0 1px 3px #0000001f;transition:transform .12s,box-shadow .12s;letter-spacing:.01em}button#test-btn:hover{transform:translateY(-2px) scale(1.03);box-shadow:0 7px 22px #ff3c6e66,0 1px 3px #0000001f}button#test-btn:active{transform:translateY(0) scale(.98);box-shadow:0 2px 8px #ff3c6e4d,0 1px 3px #0000001a}#result{width:100%;display:flex;flex-direction:column;align-items:center;gap:16px}#heart-wrap{opacity:0;transform:scale(.7);transition:opacity .4s ease,transform .4s cubic-bezier(.34,1.56,.64,1)}#heart-wrap.visible{opacity:1;transform:scale(1)}#heart-svg{width:160px;height:auto;filter:drop-shadow(0 6px 18px rgba(255,60,110,.3))}#result[data-tier=low] #heart-svg{filter:drop-shadow(0 6px 18px rgba(120,120,200,.28))}#result[data-tier=mid] #heart-svg{filter:drop-shadow(0 6px 18px rgba(255,160,60,.28))}#result[data-tier=high] #heart-svg{filter:drop-shadow(0 6px 18px rgba(255,60,110,.32))}#result[data-tier=perfect] #heart-svg{filter:drop-shadow(0 6px 24px rgba(255,30,90,.45))}#result-message{font-size:1.1rem;font-weight:700;color:#b0305a;text-align:center;line-height:1.5;max-width:340px;min-height:1.6em;opacity:0;transform:translateY(8px);transition:opacity .5s ease,transform .5s ease}#result-message.visible{opacity:1;transform:translateY(0)}@media (max-width: 380px){#app{padding:28px 20px 32px}h1{font-size:1.8rem}.input-row{flex-direction:column;align-items:stretch}.plus-sign{text-align:center;padding:0}button#test-btn{width:100%}}