* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background: linear-gradient(135deg, #0f0f0f, #1a1a1a);
    color: white;
    text-align: center;
}

/* الكونتينر */
.container {
    position: relative;
    z-index: 2;
    max-width: 500px;
    margin: auto;
    padding: 20px;
}

/* العنوان */
h1 {
    margin: 15px 0;
}

/* الزرار */
#startBtn {
    padding: 14px 30px;
    font-size: 1.1em;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    background: linear-gradient(45deg, #ffffff, #bbbbbb);
    color: black;
    margin-bottom: 20px;

    box-shadow: 0 0 10px rgba(255,255,255,0.4);
    animation: pulse 1.5s infinite;
    transition: 0.3s;
}

#startBtn:hover {
    transform: scale(1.05);
    box-shadow: 0 0 25px rgba(255,255,255,0.9);
}

@keyframes pulse {
    0% { box-shadow: 0 0 10px rgba(255,255,255,0.4); }
    50% { box-shadow: 0 0 25px rgba(255,255,255,0.9); }
    100% { box-shadow: 0 0 10px rgba(255,255,255,0.4); }
}

/* الرسالة */
#message {
    font-size: 1.2em;
    min-height: 150px;
    margin-bottom: 15px;
    line-height: 1.6;
}

/* الصورة */
.image {
    width: 70%;
    border-radius: 15px;
    opacity: 0;
    transform: scale(0.8);
    transition: 0.6s;
}

.image.show {
    opacity: 1;
    transform: scale(1);
}

/* القلوب */
.hearts-container {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1;
    pointer-events: none;
}

.heart {
    position: absolute;
    bottom: -20px;
    font-size: 20px;
    animation: float 4s linear infinite;
}

@keyframes float {
    0% {
        transform: translateY(0);
        opacity: 1;
    }
    100% {
        transform: translateY(-800px);
        opacity: 0;
    }
}

/* موبايل */
@media (max-width:600px){
    #message {
        font-size: 1em;
    }

    .image {
        width: 90%;
    }
}