body, html {
    height: 100%;
    margin: 0;
    font-family: 'Comic Sans MS', cursive, sans-serif;
    overflow: hidden;
}

.background {
    position: fixed;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(135deg, #ffb6b9, #fae3d9, #bbded6, #8ac6d1);
    animation: gradientMove 8s ease-in-out infinite alternate;
    z-index: -1;
}

@keyframes gradientMove {
    0% { background-position: 0% 50%; }
    100% { background-position: 100% 50%; }
}

.container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    background: rgba(255,255,255,0.7);
    border-radius: 30px;
    padding: 40px 60px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
    animation: popIn 1s cubic-bezier(.68,-0.55,.27,1.55);
}

@keyframes popIn {
    0% { transform: scale(0.7) translate(-50%, -50%); opacity: 0; }
    100% { transform: scale(1) translate(-50%, -50%); opacity: 1; }
}

.name {
    font-size: 3rem;
    font-weight: bold;
    margin: 0 10px;
    transition: color 0.5s;
}

.aleyna {
    color: #ff6f91;
    text-shadow: 0 0 10px #ffb6b9;
}

.yasin {
    color: #1985a1;
    text-shadow: 0 0 10px #bbded6;
}

.heart {
    font-size: 2.5rem;
    animation: heartBeat 1.2s infinite;
    display: inline-block;
    vertical-align: middle;
}

@keyframes heartBeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.3); }
}

.message {
    font-size: 1.5rem;
    color: #ff6f91;
    margin-top: 20px;
    animation: fadeIn 2s;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.love-btn {
    margin-top: 30px;
    padding: 15px 30px;
    font-size: 1.2rem;
    border: none;
    border-radius: 20px;
    background: linear-gradient(90deg, #ffb6b9, #bbded6);
    color: #fff;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(255,182,185,0.3);
    transition: background 0.5s, transform 0.2s;
}

.love-btn:hover {
    background: linear-gradient(90deg, #ff6f91, #1985a1);
    transform: scale(1.1);
}

/* Animasyonlu kalpler için doğru stil */
.flying-heart {
    position: fixed;
    z-index: 999;
    pointer-events: none;
    opacity: 1;
    transition: top 2s, opacity 2s;
}

/* Animasyonlu yıldızlar için stil */
.flying-star {
    position: fixed;
    z-index: 999;
    pointer-events: none;
    opacity: 1;
    transition: top 2s, opacity 2s;
}