/* متغيرات الألوان */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #6dabe4;
    --accent-color: #4292dc;
    --light-gray: #f8f8f8;
    --dark-gray: #777;
    --border-color: #999;
    --error-color: #e72734;
    --success-color: #4CAF50;
}

/* خطوط Poppins */
@font-face {
    font-family: 'Poppins';
    font-style: normal;
    font-weight: 300;
    src: url('../fonts/poppins/poppins-v5-latin-300.eot');
    src: local('Poppins Light'), local('Poppins-Light'), url('../fonts/poppins/poppins-v5-latin-300.eot?#iefix') format('embedded-opentype'), url('../fonts/poppins/poppins-v5-latin-300.woff2') format('woff2'), url('../fonts/poppins/poppins-v5-latin-300.woff') format('woff'), url('../fonts/poppins/poppins-v5-latin-300.ttf') format('truetype'), url('../fonts/poppins/poppins-v5-latin-300.svg#Poppins') format('svg');
}

/* باقي تعريفات الخطوط بنفس النمط... */

/* التنسيق العام */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Poppins', sans-serif;
    font-size: 13px;
    line-height: 1.8;
    color: #222;
    background: var(--light-gray);
    font-weight: 400;
}

.main {
    background: var(--light-gray);
    padding: 150px 0;
}

.container {
    width: 900px;
    max-width: 100%;
    background: #fff;
    margin: 0 auto;
    box-shadow: 0px 15px 16.83px 0.17px rgba(0, 0, 0, 0.05);
    border-radius: 20px;
}

/* تنسيقات Flexbox */
.display-flex,
.signup-content,
.signin-content,
.social-login,
.socials {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.display-flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* تنسيقات النموذج */
.signup-content {
    padding: 75px 0;
}

.signup-form,
.signup-image,
.signin-form,
.signin-image {
    width: 50%;
    overflow: hidden;
}

.signup-image {
    margin: 0 55px;
    text-align: center;
}

.form-title {
    font-size: 36px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 33px;
    line-height: 1.66;
}

/* حقول الإدخال */
.form-group {
    position: relative;
    margin-bottom: 25px;
}

input, select {
    width: 100%;
    display: block;
    border: none;
    border-bottom: 1px solid var(--border-color);
    padding: 6px 30px;
    font-family: 'Poppins', sans-serif;
}

    input:focus, select:focus {
        border-bottom: 1px solid var(--primary-color);
        outline: none;
    }

    input::placeholder {
        color: var(--border-color);
    }

    input:focus::placeholder {
        color: var(--primary-color);
    }

/* زر الإرسال */
.form-submit {
    display: inline-block;
    background: var(--secondary-color);
    color: #fff;
    border: none;
    padding: 15px 39px;
    border-radius: 5px;
    margin-top: 25px;
    cursor: pointer;
    transition: background 0.3s;
}

    .form-submit:hover {
        background: var(--accent-color);
    }

/* خانة الاختيار */
input[type=checkbox]:not(old) {
    width: 2em;
    margin: 0;
    padding: 0;
    font-size: 1em;
    display: none;
}

    input[type=checkbox]:not(old) + label {
        display: inline-block;
        line-height: 1.5em;
        margin-top: 6px;
    }

        input[type=checkbox]:not(old) + label > span {
            display: inline-block;
            width: 13px;
            height: 13px;
            margin-right: 15px;
            margin-bottom: 3px;
            border: 1px solid var(--border-color);
            border-radius: 2px;
            background: white;
            vertical-align: bottom;
        }

    input[type=checkbox]:not(old):checked + label > span:before {
        content: '\f26b';
        display: block;
        color: var(--primary-color);
        font-size: 11px;
        line-height: 1.2;
        text-align: center;
        font-family: 'Material-Design-Iconic-Font';
        font-weight: bold;
    }

/* الروابط الاجتماعية */
.socials {
    list-style-type: none;
    margin: 0;
    padding: 0;
}

.social-login {
    margin-top: 80px;
}

.socials li {
    padding: 5px;
}

    .socials li a i {
        width: 30px;
        height: 30px;
        color: #fff;
        font-size: 14px;
        border-radius: 5px;
        transition: transform 0.3s ease-out;
    }

    .socials li:hover a i {
        transform: scale(1.3);
    }

.zmdi-facebook {
    background: #3b5998;
}

.zmdi-twitter {
    background: #1da0f2;
}

.zmdi-google {
    background: #e72734;
}

/* التجاوب مع الشاشات الصغيرة */
@media (max-width: 1200px) {
    .container {
        width: calc(100% - 30px);
    }
}

@media (max-width: 768px) {
    .signup-content,
    .signin-content {
        flex-direction: column;
    }

    .signup-form,
    .signup-image,
    .signin-form,
    .signin-image {
        width: 100%;
        margin: 0;
        padding: 0 30px;
    }

    .signin-image {
        margin-top: 50px;
        order: 2;
    }

    .form-title {
        text-align: center;
    }
}

@media (max-width: 400px) {
    .social-login {
        flex-direction: column;
    }

    .social-label {
        margin-right: 0;
        margin-bottom: 10px;
    }
}