@font-face {
    font-family: 'Vazir';
    src: url('fonts/Vazir.woff2') format('woff2');
    font-display: swap;
}

body {
    font-family: 'Vazir', 'Arial', sans-serif;
    background-color: #f8f9fa;
    padding-top: 70px; /* Added for fixed navbar */
}


.slideshow-container {
    height: 300px;
    overflow: hidden;
    position: relative;
    margin-top: 20px;
}

.slide-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.slide-image.active {
    opacity: 1;
}

/* Main Navigation */
.main-navbar {
    background-color: #2c3e50;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.main-navbar .navbar-nav .nav-link {
    color: #fff;
    padding: 15px 20px;
    font-weight: 500;
    position: relative;
}

.main-navbar .navbar-nav .nav-link:hover,
.main-navbar .navbar-nav .nav-link:focus {
    color: #3498db;
    background-color: rgba(255,255,255,0.1);
}

.main-navbar .dropdown-menu {
    background-color: #34495e;
    border: none;
    border-radius: 0;
}

.main-navbar .dropdown-item {
    color: #fff;
    padding: 10px 20px;
    border-bottom: 1px solid #2c3e50;
}

.main-navbar .dropdown-item:hover {
    background-color: rgba(255,255,255,0.1);
    color: #3498db;
}

.main-navbar .dropdown-toggle::after {
    margin-right: 5px;
}

.main-content {
    background-color: #fff;
    border-radius: 5px;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0,0,0,0.05);
    margin-top: 20px;
}

.auth-btn {
    padding: 8px 15px;
    font-weight: bold;
}

.login-btn {
    background-color: #3498db;
    border-color: #2980b9;
}

.register-btn {
    background-color: #3498db;
    border-color: #2980b9;
}

footer {
    background-color: #2c3e50;
    color: white;
    padding: 30px 0;
    margin-top: 30px;
}

.footer-section h4 {
    border-bottom: 1px solid #34495e;
    padding-bottom: 10px;
}

.footer-link {
    color: #bdc3c7;
    text-decoration: none;
    display: block;
    margin-bottom: 8px;
}

.footer-link:hover {
    color: white;
}

/* Mobile menu adjustments */
@media (max-width: 991.98px) {
    .main-navbar .navbar-collapse {
        background-color: #2c3e50;
        padding: 15px;
        margin-top: 10px;
    }
    
    .main-navbar .dropdown-menu {
        background-color: rgba(52, 73, 94, 0.8);
        margin-right: 15px;
    }
}

        :root {
            --primary-color: #4361ee;
            --primary-dark: #3a56d4;
            --text-color: #2b2d42;
            --light-gray: #f8f9fa;
            --medium-gray: #e9ecef;
            --dark-gray: #6c757d;
            --error-color: #d90429;
            --success-color: #2b9348;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Tahoma', 'Vazirmatn', sans-serif;
        }
        
        body {
            background-color: var(--light-gray);
            color: var(--text-color);
            line-height: 1.6;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
            
        }
        
        .login-container {
            display: flex;
            flex-grow: 1;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }
        
        .login-card {
            background: white;
            border-radius: 12px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
            width: 100%;
            max-width: 420px;
            padding: 2.5rem;
            transition: all 0.3s ease;
        }
        
        .login-header {
            text-align: center;
            margin-bottom: 2rem;
        }
        
        .login-header h1 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text-color);
        }
        
        .login-header p {
            color: var(--dark-gray);
            font-size: 0.9rem;
        }
        
        .login-logo {
            width: 60px;
            height: 60px;
            margin: 0 auto 1rem;
            display: block;
        }
        
        .form-group {
            margin-bottom: 1.25rem;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-color);
        }
        
        .form-control {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 1px solid var(--dark-gray);
            border-radius: 8px;
            font-size: 1rem;
            transition: all 0.3s;
            text-align: right;
        }
        
        .form-control:focus {
            border-color: var(--primary-color);
            outline: none;
            box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
        }
        
        .password-container {
            position: relative;
        }
        
        .toggle-password {
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            cursor: pointer;
            color: var(--dark-gray);
        }
        
        .remember-forgot {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin: 1rem 0;
            font-size: 0.9rem;
        }
        
        .remember-me {
            display: flex;
            align-items: center;
        }
        
        .remember-me input {
            margin-left: 0.5rem;
            margin-right: 0;
        }
        
        .forgot-password {
            color: var(--primary-color);
            text-decoration: none;
        }
        
        .forgot-password:hover {
            text-decoration: underline;
        }
        
        .btn {
            display: inline-block;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            text-align: center;
            transition: all 0.3s;
        }
        
        .btn-primary {
            background-color: var(--primary-color);
            color: white;
        }
        
        .btn-primary:hover {
            background-color: var(--primary-dark);
        }
        
        .login-footer {
            text-align: center;
            margin-top: 1.5rem;
            font-size: 0.9rem;
            color: var(--dark-gray);
        }
        
        .login-footer a {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
        }
        
        .login-footer a:hover {
            text-decoration: underline;
        }
        
        .alert {
            padding: 0.75rem 1rem;
            border-radius: 8px;
            margin-bottom: 1.5rem;
            font-size: 0.9rem;
            text-align: right;
        }
        
        .alert-error {
            background-color: rgba(217, 4, 41, 0.1);
            color: var(--error-color);
            border: 1px solid rgba(217, 4, 41, 0.2);
        }
        
        .alert-success {
            background-color: rgba(43, 147, 72, 0.1);
            color: var(--success-color);
            border: 1px solid rgba(43, 147, 72, 0.2);
        }
        .math-expression {
            display: inline-block;
            direction: ltr;
            unicode-bidi: embed;
            font-family: monospace;
            margin: 0 10px;
        }

        /* For better RTL/LTR mixing */
        .form-group label {
            unicode-bidi: plaintext;
        }
        /* Responsive adjustments */
        @media (max-width: 768px) {
            .login-card {
                padding: 1.5rem;
            }
            
            .login-header h1 {
                font-size: 1.5rem;
            }
        }
        
        @media (max-width: 480px) {
            .login-container {
                padding: 15px;
            }
            
            .login-card {
                padding: 1.25rem;
                border-radius: 10px;
            }
            
            .remember-forgot {
                flex-direction: column;
                align-items: flex-end;
                gap: 0.75rem;
            }
        }