/* login.css - تنسيقات صفحة التسجيل فقط */
:root {
    --primary-green: #7c9894;
    --dark-green: #5a7c76;
    --light-green: #9db4b0;
    --accent-green: #4a6e67;
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --medium-gray: #e9ecef;
    --dark-gray: #495057;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --border-color: #dee2e6;
    --error-color: #dc3545;
    --success-color: #28a745;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

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

body {
    font-family: 'Cairo', sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
    min-height: 100vh;
    color: var(--text-primary);
    line-height: 1.6;
}

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: linear-gradient(rgba(124, 152, 148, 0.05), rgba(124, 152, 148, 0.05)), 
                url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,0 L100,100 Z" fill="rgba(124, 152, 148, 0.03)"/></svg>');
    background-size: cover;
}

.login-container {
    width: 100%;
    max-width: 1200px;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

/* الجزء الأيسر - الشعار والترحيب */
.login-header {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--dark-green) 100%);
    padding: 50px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.login-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
}

.university-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    margin-bottom: 40px;
    position: relative;
    z-index: 1;
}

.university-logo i {
    font-size: 70px;
    opacity: 0.9;
}

.university-logo h1 {
    font-size: 28px;
    font-weight: 700;
    text-align: center;
    line-height: 1.4;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.login-header h2 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 15px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.welcome-text {
    font-size: 18px;
    opacity: 0.9;
    text-align: center;
    max-width: 400px;
    margin: 0 auto;
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

/* الجزء الأيمن - النموذج */
.login-form {
    padding: 50px 40px;
}

.form-title {
    text-align: center;
    margin-bottom: 40px;
}

.form-title h3 {
    color: var(--dark-green);
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.form-title p {
    color: var(--text-secondary);
    font-size: 16px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    margin-bottom: 30px;
}

.input-group {
    position: relative;
}

.input-group label {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 15px;
}

.input-group label i {
    color: var(--primary-green);
    font-size: 16px;
    width: 20px;
}

.input-group input,
.input-group select {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 16px;
    font-family: 'Cairo', sans-serif;
    transition: all 0.3s ease;
    background: var(--light-gray);
}

.input-group input:focus,
.input-group select:focus {
    outline: none;
    border-color: var(--primary-green);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(124, 152, 148, 0.15);
}

.input-group input::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

.input-hint {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 13px;
    opacity: 0.7;
}

.modern-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%235a7c76' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: left 16px center;
    padding-left: 45px;
}

/* اتفاقية الاستخدام */
.terms-agreement {
    margin-bottom: 30px;
    padding: 15px;
    background: var(--light-gray);
    border-radius: var(--radius-md);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 15px;
}

.checkbox-label input {
    display: none;
}

.checkmark {
    width: 22px;
    height: 22px;
    border: 2px solid var(--primary-green);
    border-radius: 4px;
    display: inline-block;
    position: relative;
    flex-shrink: 0;
    margin-top: 2px;
}

.checkbox-label input:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--primary-green);
    font-weight: bold;
    font-size: 14px;
}

.terms-link {
    color: var(--primary-green);
    text-decoration: none;
    font-weight: 600;
}

.terms-link:hover {
    text-decoration: underline;
}

/* زر التسجيل */
.form-actions {
    margin-bottom: 25px;
}

.btn-login {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--dark-green) 100%);
    color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

/* تذييل النموذج */
.login-footer {
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.help-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.help-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: color 0.3s ease;
}

.help-link:hover {
    color: var(--primary-green);
}

.help-link i {
    font-size: 16px;
}

/* معلومات الأمان */
.security-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.security-note i {
    color: var(--success-color);
    font-size: 18px;
}

/* التجاوبية */
@media (max-width: 992px) {
    .login-container {
        grid-template-columns: 1fr;
        max-width: 600px;
    }
    
    .login-header {
        padding: 40px 30px;
        min-height: 300px;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .login-container {
        margin: 10px;
        border-radius: var(--radius-lg);
    }
    
    .login-header, .login-form {
        padding: 30px 20px;
    }
    
    .university-logo h1 {
        font-size: 22px;
    }
    
    .login-header h2 {
        font-size: 26px;
    }
    
    .form-title h3 {
        font-size: 24px;
    }
    
    .help-links {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }
}