body {
    background: #f7f8fc;
    font-family: 'IRANSans', sans-serif;
}

.register-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.register-card {
    background: #fff;
    border-radius: 1rem;
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
    overflow: hidden;
}

.register-image {
    min-height: 400px;
}

.form-title {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
    color: #333;
}

.btn-primary {
    background: linear-gradient(135deg, #4e73df, #224abe);
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    padding: 0.75rem;
}

@media (max-width: 768px) {
    .register-image {
        height: 200px;
    }
}

.mytextbox {
    font-family: "primary-font", "segoe ui", "tahoma" !important;
}

.register-image {
    position: relative;
    min-height: 400px;
    background: linear-gradient(135deg, #7ec8ff, #ffffff, #a4d8ff);
    background-size: 400% 400%;
    animation: gradientMove 8s ease infinite;
    border-top-right-radius: 1rem;
    border-bottom-right-radius: 1rem;
    overflow: hidden;
}

    /* پترن هندسی نیمه شفاف روی گرادیان */
    .register-image::before {
        content: "";
        position: absolute;
        top: 0;
        right: 0;
        bottom: 0;
        left: 0;
        /* پترن هندسی شطرنجی/مکعبی */
        background-image: url("https://www.transparenttextures.com/patterns/hexellence.png");
        background-repeat: repeat;
        opacity: 0.3; /* پررنگ‌تر از قبل */
        mix-blend-mode: overlay; /* کمی با گرادیان ترکیب میشه */
        pointer-events: none;
    }

/* انیمیشن حرکت گرادیان */
@keyframes gradientMove {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}


/*.register-image {
    min-height: 400px;
    animation: gradientMove 6s ease infinite;
    background: linear-gradient(135deg, #87CEFA, #ffffff, #cce7ff);
    background-size: 400% 400%;
    border-top-right-radius: 1rem;
    border-bottom-right-radius: 1rem;
}*/

/* انیمیشن حرکت گرادیان */
/*@keyframes gradientMove {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}*/