:root {
    --primary-color: #007bff;
    --secondary-color: #FF3399;
    --accent-color: #6c5ce7;
    --light-bg: #f8f9fa;
    --dark-text: #2d3436;
    --light-text: #636e72;
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --hover-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
    --success-color: #28a745;
    --error-color: #dc3545;
}

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

body {
    font-family: 'Tajawal', sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
    direction: rtl;
    min-height: 100vh;
    padding: 20px 0;
}

.logo-container {
    text-align: center;
    margin-bottom: 30px;
}

.logo {
    max-width: 180px;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.main-title {
    color: var(--primary-color);
    font-weight: 700;
    margin-top: 15px;
    font-size: 2.2rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.subtitle {
    color: var(--light-text);
    font-weight: 400;
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.registration-container {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: box-shadow 0.3s ease;
}

.registration-container:hover {
    box-shadow: var(--hover-shadow);
}

.form-section {
    padding: 40px;
    background: white;
}

.section-header {
    color: var(--dark-text);
    font-weight: 700;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 3px solid var(--secondary-color);
    position: relative;
}

.section-header::after {
    content: '';
    position: absolute;
    bottom: -2px;
    right: 0;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    color: var(--dark-text);
    font-weight: 500;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.form-control {
    border: 2px solid #e9ecef;
    border-radius: 12px;
    padding: 12px 15px;
    transition: all 0.3s ease;
    background: #fafbff;
    position: relative;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(0, 123, 255, 0.25);
    background: white;
}

.form-control.valid {
    border-color: var(--success-color);
    box-shadow: 0 0 0 0.25rem rgba(40, 167, 69, 0.25);
}

.form-control.invalid {
    border-color: var(--error-color);
    box-shadow: 0 0 0 0.25rem rgba(220, 53, 69, 0.25);
}

.form-select {
    border: 2px solid #e9ecef;
    border-radius: 12px;
    padding: 12px 15px;
    background: #fafbff;
    position: relative;
}

.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(0, 123, 255, 0.25);
}

.form-select.valid {
    border-color: var(--success-color);
    box-shadow: 0 0 0 0.25rem rgba(40, 167, 69, 0.25);
}

.form-select.invalid {
    border-color: var(--error-color);
    box-shadow: 0 0 0 0.25rem rgba(220, 53, 69, 0.25);
}

/* زر التسجيل بلون واحد */
.btn-submit {
    background-color: var(--primary-color); /* لون واحد ثابت */
    border: none;
    border-radius: 12px;
    padding: 14px 25px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
    color: white;
}

.btn-submit:hover {
    background-color: #0069d9; /* لون أعمق قليلاً عند التمرير */
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 123, 255, 0.4);
}

.btn-submit:active {
    transform: translateY(0);
}

.required::after {
    content: " *";
    color: #dc3545;
}

.error-message {
    color: var(--error-color);
    font-size: 0.85rem;
    margin-top: 5px;
    display: none;
}

.success-message {
    color: var(--success-color);
    font-size: 0.85rem;
    margin-top: 5px;
    display: none;
}

@media (max-width: 768px) {
    .form-section {
        padding: 30px 20px;
    }
}

/* أسلوب جديد للأيقونات الدائرية في نهاية الحقول */
.input-container {
    position: relative;
    display: flex;
    align-items: center;
}

.form-control, .form-select {
    padding-left: 50px; /* مساحة للأيقونة */
}

.icon-circle-end {
    position: absolute;
    left: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    font-size: 14px;
    transition: all 0.3s ease;
    z-index: 10;
}

.icon-circle-end.valid {
    background-color: var(--success-color);
}

.icon-circle-end.invalid {
    background-color: var(--error-color);
}

.icon-circle-end:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 8px rgba(0, 123, 255, 0.3);
}

/* تخصيص للأيقونات الخاصة بالـ select */
.select-container {
    position: relative;
    display: flex;
    align-items: center;
}

.form-select {
    padding-left: 50px;
    appearance: none;
}

/* تنسيق خاص لحقل التصنيف */
.classification-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: left 15px center;
    background-size: 16px 12px;
}